Corner wrapping device of automatic picture stretching machine

Abstract

The invention provides an angle wrapping device of an automatic picture stretching machine, which comprises a rack and a control mechanism, the rack comprises a material placing station for placing a picture frame and drawing paper, edge folding mechanisms and angle folding mechanisms are respectively arranged on two sides of the material placing station, the edge folding mechanisms are arranged on two sides of the picture frame, the angle folding mechanisms are respectively arranged in four diagonal directions of the picture frame, and the control mechanism is connected with the control mechanism. The angle folding mechanism comprises an angle folding plate and a driving mechanism for driving the angle folding plate to be inserted along the outer side of the picture frame, the driving mechanism is electrically connected with the control mechanism, and the driving mechanism comprises a sliding base and an X-axis sliding rail; the bevel plates on the same side are oppositely arranged on the corresponding sliding bases and move relatively through the X-axis sliding rails on the same side with the transverse middle axis of the material containing station as the symmetry axis. By the adoption of the technical scheme, the control mechanism controls the angle folding plates on the same side to form the folded angles and controls the four corners to be inserted at the same time to form the folded angles, the insertion distance and depth of the angle folding plates are accurately controlled through the driving mechanism, and therefore the shape of the folded angles of drawing paper is controlled, and the finished product quality of the frameless picture is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of frameless painting processing, and particularly relates to a corner wrapping device for an automatic picture stretching machine. Background Art

[0002] A frameless painting, as the name implies, is a painting without an outer frame, which is a trend in modern decoration. Due to the reduction of the outer frame cost, it is more economical, has a more original flavor, and is more in line with the aesthetic concepts of modern people.

[0003] There is also a corner wrapping device for a picture stretching machine in the prior art, which can realize the mechanized operation of corner wrapping for an inner frame painting, but has a complex structure and high cost. At the same time, in the process of production practice, how to fold the creases of the corner wrapping beautifully and accurately to improve the quality of the corner wrapping is also an urgent problem to be solved. Summary of the Invention

[0004] Based on the above problems, the purpose of the present invention is to provide a corner wrapping device for an automatic picture stretching machine.

[0005] For the above problems, the following technical solutions are provided: A corner wrapping device for an automatic picture stretching machine, including a frame and a control mechanism. The frame includes a material placing station for placing a picture frame and picture paper. A folding edge mechanism and a folding corner mechanism are respectively arranged on both sides of the material placing station. The folding edge mechanism is arranged on both sides of the picture frame, and the folding corner mechanisms are respectively arranged in the four diagonal directions of the picture frame. The folding corner mechanism includes a folding corner plate and a driving mechanism for driving the folding corner plate to insert along the outside of the picture frame. The driving mechanism is electrically connected to the control mechanism. The driving mechanism includes a sliding base and an X-axis sliding track. The folding corner plates on the same side are oppositely arranged on the corresponding sliding bases and relatively move with the horizontal central axis of the material placing station as the symmetry axis through the X-axis sliding track on the same side.

[0006] By adopting the above technical solutions, the folding edge mechanism bends the other two sides of the semi-finished picture paper that has been folded and nailed on both sides from the horizontal direction to the vertical direction. The control mechanism controls the folding corner plates on the same side (i.e., controls the movement of the second sliding base through a servo motor or a cylinder) to relatively move with the horizontal central axis of the material placing station as the symmetry axis along the X-axis sliding track on one side, inserts the redundant picture paper on both sides that is turned outwards towards the picture frame, respectively forms a folding corner, and inserts to form a folding corner at the four corners simultaneously. The driving mechanism accurately controls the insertion distance and depth of the folding corner plate, thereby controlling the shape of the folding corner of the picture paper, and thus improving the finished product quality of the frameless painting.

[0007] The invention is further provided with: A first lifting component for driving the folding corner plate to move up and down is arranged on the sliding base, and the folding corner plate is arranged above the first lifting component.

[0008] By adopting the above technical solution, the lifting component drives the folding angle plate to move upward, controlling the height of the folding angle insertion, thereby controlling the shape of the folding angle of the drawing paper. After the folding angle is completed, after the folding angle plate retracts and resets, the first lifting component drives the folding angle plate to move downward, making it lower than the material placement station, thus facilitating the subsequent movement of the picture frame.

[0009] The invention is further provided that: the folding angle plate includes an inserting angle part arranged in a right triangle shape and a connecting part detachably connected to the first lifting component.

[0010] By adopting the above technical solution, the folding angle plate is detachably connected to the first lifting component. The inserting angle parts with different included angles can be replaced according to the thickness of different picture frames. By controlling the angle of the folding angle plate, the shape of the folding angle of the drawing paper is controlled, further improving the finished product quality of the frameless picture.

[0011] The invention is further provided that: a motor component for controlling the movement of the sliding base is arranged between the sliding base and the X-axis sliding track.

[0012] By adopting the above technical solution, the sliding base is controlled by a motor, with higher accuracy and stronger stability.

[0013] The invention is further provided that: a Y-axis sliding track is arranged below the material placement station. The sliding direction of the X-axis sliding track is arranged parallel to the feeding direction of the rack, and the sliding direction of the Y-axis sliding track is arranged perpendicular to the feeding direction of the rack. The X-axis sliding track is arranged on the mounting frame, and the mounting frame is arranged on the Y-axis sliding track. The X-axis sliding track and the Y-axis sliding track are respectively electrically connected to the control mechanism.

[0014] By adopting the above technical solution, the X-axis sliding track and the Y-axis sliding track cooperate. The control mechanism controls the sliding base to slide along the X-axis sliding track and controls the mounting frame to slide along the Y-axis sliding track, which can be applied to picture frames of different sizes, greatly improving the applicability of the equipment. Compared with manual adjustment and numerical control adjustment, it has high accuracy, simple operation, convenient use and high efficiency.

[0015] The invention is further provided that: two support guide rails are arranged on the material placement station, and the support guide rails are detachably connected to the mounting frame.

[0016] By adopting the above technical solution, the control mechanism can adjust the distance between the two second support guide rails by controlling the mounting frame to slide along the Y-axis sliding track, which is applicable to picture frames of different sizes.

[0017] The invention is further provided that: the edge folding mechanism is arranged on the mounting frame. The edge folding mechanism includes an edge folding plate for driving the drawing paper to fold from the horizontal direction to the vertical direction and a second lifting component for driving the edge folding plate to move up and down. The edge folding plate is arranged outside the folding angle plate.

[0018] By adopting the above technical solution, the hemming plate moves upward near the outer side of the picture frame, causing the drawing paper to bend from the horizontal to the vertical direction. A gap is set between the drawing paper and the picture frame, facilitating the insertion of the corner part to form a folded corner. The structure is simple and the operation is convenient. The control mechanism can adjust the distance between the two hemming plates by controlling the mounting frame to slide along the Y-axis sliding track, which is applicable to picture frames of different sizes.

[0019] The invention is further provided with: transverse positioning mechanisms are respectively arranged on both sides of the feeding station. The two transverse positioning mechanisms are symmetrically arranged with the longitudinal central axis of the feeding station as the center. The transverse positioning mechanism includes positioning blocks arranged on both sides of the feeding station and a transverse driving assembly for driving the positioning blocks to clamp or move away from the picture frame. The horizontal height of the positioning blocks is higher than that of the feeding station.

[0020] By adopting the above technical solution, the positions of the picture frame and the drawing paper are adjusted and positioned by the transverse positioning mechanism, further ensuring that the picture frame is located at the center of the feeding station, with precise positioning and further improving the accuracy of the folded corner.

[0021] The invention is further provided with: longitudinal positioning mechanisms are arranged on the inner sides of the folded corner plates. The two longitudinal positioning mechanisms are symmetrically arranged with the transverse central axis of the feeding station as the center. The longitudinal positioning mechanism includes positioning rods for positioning the picture frame and a longitudinal driving assembly for driving the positioning rods. The positioning rods are arranged parallel to the feeding direction of the rack. The longitudinal driving assemblies on the same side are arranged oppositely, and the positioning rods are arranged between the feeding station and the longitudinal driving assemblies.

[0022] By adopting the above technical solution, the positions of the picture frame and the drawing paper are adjusted and positioned by the longitudinal positioning mechanism. The longitudinal driving assembly drives the positioning rods to move towards the center direction of the feeding station. The two sides of the picture frame are subjected to the force exerted by the positioning rods, further ensuring that the picture frame is located at the center of the feeding station. The four points on both sides are simultaneously stressed, with uniform stress and precise positioning, further improving the accuracy of the folded corner. Description of the Drawings

[0023] Figure 1 is a three-dimensional view of the partial structure of the present invention Figure 1 .

[0024] Figure 2 is a top view of the partial structure of the present invention.

[0025] Figure 3 is a three-dimensional view of the partial structure of the present invention Figure 2 .

[0026] Figure 4 is an enlarged view of the partial structure of the present invention.

[0027] Figure 5 is a schematic diagram of the folding process of the picture frame and the drawing paper of the present invention.

[0028] Meanings of the reference numerals in the figures: 1. Frame, 11. Material placement station, 12. Support guide rail, 2. Flanging mechanism, 21. Flanging plate, 22. Second lifting assembly, 3. Corner folding mechanism, 31. Corner folding plate, 311. Insertion corner part, 312. Connection part, 32. Driving mechanism, 321. Sliding base, 322. X-axis sliding track, 323. First lifting assembly, 324. Motor assembly, 325. Y-axis sliding track, 326. Mounting frame, 4. Lateral positioning mechanism, 41. Positioning block, 42. Lateral driving assembly, 5. Longitudinal positioning mechanism, 51. Positioning rod, 52. Longitudinal driving assembly, 6. Picture frame, 7. Drawing paper. Specific embodiments

[0029] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present invention. The following embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0030] Refer to the attached Figures 1 - 5 , a corner wrapping device for an automatic picture stretching machine, including a frame 1 and a control mechanism. The frame 1 includes a material placement station 11 for placing a picture frame 6 and drawing paper 7. On both sides of the material placement station 11, a flanging mechanism 2 and a corner folding mechanism 3 are respectively arranged. The flanging mechanism 2 is arranged on both sides of the picture frame 6, and the corner folding mechanisms 3 are respectively arranged in the four diagonal directions of the picture frame 6. The corner folding mechanism 3 includes a corner folding plate 31 and a driving mechanism 32 for driving the corner folding plate 31 to insert along the outside of the picture frame 6. The driving mechanism 32 is electrically connected to the control mechanism. The driving mechanism 32 includes a sliding base 321 and an X-axis sliding track 322. The corner folding plates 31 on the same side are oppositely arranged on the corresponding sliding bases 321 and relatively move with the transverse central axis of the material placement station 11 as the axis of symmetry through the X-axis sliding tracks 322 on the same side.

[0031] This embodiment is further provided that: a first lifting assembly 323 for driving the corner folding plate 31 to move up and down is arranged on the sliding base 321, and the corner folding plate 31 is arranged above the first lifting assembly 323.

[0032] This embodiment is further provided that: the corner folding plate 31 includes an insertion corner part 311 arranged in a right triangle and a connection part 312 detachably connected to the first lifting assembly 323.

[0033] This embodiment is further provided that: a motor assembly 324 for controlling the movement of the sliding base 321 is arranged between the sliding base 321 and the X-axis sliding track 322.

[0034] In this embodiment, it is further set that: a Y-axis sliding rail 325 is arranged below the material placing station 11. The sliding direction of the X-axis sliding rail 322 is arranged parallel to the feeding direction of the rack 1, and the sliding direction of the Y-axis sliding rail 325 is arranged perpendicular to the feeding direction of the rack 1. The X-axis sliding rail 322 is arranged on the mounting frame 326, and the mounting frame 326 is arranged on the Y-axis sliding rail 325. The X-axis sliding rail 322 and the Y-axis sliding rail 325 are respectively electrically connected to the control mechanism.

[0035] In the technical solution of the present invention, regarding the fold angle of the drawing paper 7 and the picture frame 6, refer to the attached Figure 5 Schematic diagram of the folding process of the picture frame and the drawing paper attached Figure 5 shows the fold angle schematic diagrams of the qualified product a and the unqualified product b (where there are various problems with the unqualified product b, only two cases are schematically shown in the figure, but not limited to these two, and the two cases do not necessarily occur simultaneously). When the inserted fold angle is too deep or too shallow, the outer side of the folded edge may be more than the outside of the frame or less than the inside of the frame, and a right-angled folded edge cannot be formed and be flush with the outer side of the adjacent side, which is not beautiful and is an unqualified product; and for picture frames 6 of different sizes, the width of one side of the picture frame 6 is different, so the inserted depth needs to be adjusted according to the different widths of the picture frame 6; for picture frames 6 of different thicknesses, in order to improve the quality of the corner wrapping, the inserted height of the corner inserting plate also needs to be adjusted; and for different materials of the drawing paper 7 or the canvas, in order to improve the quality of the corner wrapping, the angle of the folded corner part also needs to be adjusted.

[0036] In this embodiment, it is further set that: two support guide rails 12 are arranged on the material placing station 11, and the support guide rails 12 are detachably connected to the mounting frame 326.

[0037] Explanation of the attached drawings: Regarding the attached Figures 1 - 4 is a partial structure. To more clearly show the internal structure, one side of the support guide rail 12 or the folding edge plate 21 is hidden, and actually it is symmetrically arranged on both sides.

[0038] In this embodiment, it is further set that: the folding edge mechanism 2 is arranged on the mounting frame 326. The folding edge mechanism 2 includes a folding edge plate 21 for driving the drawing paper 7 to bend from the horizontal direction to the vertical direction and a second lifting assembly 22 for driving the folding edge plate 21 to move up and down. The folding edge plate 21 is arranged outside the folding angle plate 31.

[0039] In this embodiment, it is further set that: transverse positioning mechanisms 4 are respectively arranged on both sides of the material placing station 11. The two transverse positioning mechanisms 4 are symmetrically arranged with the longitudinal central axis of the material placing station 11 as the center. The transverse positioning mechanism 4 includes positioning blocks 41 arranged on both sides of the material placing station 11 and a transverse driving assembly 42 for driving the positioning blocks 41 to clamp or move away from the picture frame 6. The horizontal height of the positioning blocks 41 is higher than that of the material placing station 11.

[0040] In this embodiment, it is further provided that a longitudinal positioning mechanism 5 is arranged inside the folding plate 31. The longitudinal positioning mechanisms 5 on both sides are symmetrically arranged with the transverse central axis of the material placing station 11 as the center. The longitudinal positioning mechanism 5 includes a positioning rod 51 for positioning the picture frame 6 and a longitudinal driving assembly 52 for driving the positioning rod 51. The positioning rod 51 is arranged parallel to the feeding direction of the rack 1. The longitudinal driving assemblies 52 on the same side are arranged oppositely, and the positioning rod 51 is arranged between the material placing station 11 and the longitudinal driving assembly 52.

[0041] In the technical solution of the present invention, the longitudinal positioning mechanism 5 and the folding plate 31 are respectively connected to the first lifting assembly 323. The first lifting assembly 323 can drive the folding plate 31 and the longitudinal positioning mechanism 5 to move up and down simultaneously. After positioning and folding are completed, they are lowered below the upper end surface of the support guide rail 12, so as to facilitate the picture frame 6 with stretched cloth and nailed to move out along the support guide rail 12.

[0042] In the technical solution of the present invention, the driving methods of the described driving mechanism, lifting assembly, driving assembly, etc. should not be limited to a single driving method, and the possibility of using other driving methods such as servo motors, cylinders, electric push rods, etc. is not excluded.

[0043] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "middle", "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. The "inner" and "outer" are based on the central axis of the rack 1. The side close to the central axis is the inner side, and the opposite is the outer side. The "front" and "rear" are based on the feeding direction of the rack 1. The feeding direction is the front end, and the material moving direction is the rear end, that is, both the picture frame 6 and the canvas move from the front end to the rear end of the rack 1. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. The above-mentioned "between" not only refers to the orientation and position, but also includes the meaning of the interaction between different parts.

[0044] Although this text uses more terms such as the frame 1, the material placement station 11, the support guide rail 12, the hemming mechanism 2, the hemming plate 21, the second lifting assembly 22, the corner folding mechanism 3, the corner folding plate 31, the corner inserting part 311, the connecting part 312, the driving mechanism 32, the sliding base 321, the X-axis sliding track 322, the first lifting assembly 323, the motor assembly 324, the Y-axis sliding track 325, the mounting frame 326, the lateral positioning mechanism 4, the positioning block 41, the lateral driving assembly 42, the longitudinal positioning mechanism 5, the positioning rod 51, the longitudinal driving assembly 52, the picture frame 6, the picture paper 7, etc., it does not exclude the possibility of using other terms. Using these terms is only for more convenient description and explanation of the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. An angle wrapping device for an automatic stretch painting machine, characterized in that: It includes a frame and a control mechanism, the frame includes a loading station for placing a picture frame and drawing paper, and a folding mechanism and a corner folding mechanism are respectively arranged on both sides of the loading station, the folding mechanism is arranged on both sides of the picture frame, and the corner folding mechanism is respectively arranged in four diagonal directions of the picture frame, the corner folding mechanism includes a corner folding plate and a driving mechanism for driving the corner folding plate to be inserted along the outer side of the picture frame, the driving mechanism is electrically connected to the control mechanism, and the driving mechanism includes a sliding base and an X-axis sliding track, the corner folding plates on the same side are relatively arranged on the corresponding sliding base and move relatively with the horizontal center axis of the loading station as the symmetry axis through the X-axis sliding track on the same side.

2. A corner wrapping device for an automatic stretch painting machine according to claim 1, characterized in that: The sliding base is provided with a first lifting assembly for driving the angled plate to move up and down, and the angled plate is arranged above the first lifting assembly.

3. A corner wrapping device for an automatic stretch painting machine according to claim 2, characterized in that: The angled plate comprises an inserting angle portion arranged in a right-angled triangle and a connecting portion detachably connected to the first lifting assembly.

4. A corner wrapping device for an automatic stretch painting machine according to claim 1, characterized in that: A motor assembly for controlling the movement of the sliding base is arranged between the sliding base and the X-axis sliding track.

5. A corner wrapping device for an automatic stretch painting machine according to claim 1, characterized in that: A Y-axis sliding track is arranged below the material placement station, the sliding direction of the X-axis sliding track is arranged parallel to the feeding direction of the frame, the sliding direction of the Y-axis sliding track is arranged perpendicular to the feeding direction of the frame, the X-axis sliding track is arranged on the mounting frame, the mounting frame is arranged on the Y-axis sliding track, and the X-axis sliding track and the Y-axis sliding track are electrically connected to the control mechanism respectively.

6. A corner wrapping device for an automatic stretch painting machine according to claim 5, characterized in that: The material placing station is provided with two supporting guide rails, and the supporting guide rails are detachably connected to the mounting frame.

7. A corner wrapping device for an automatic stretch painting machine according to claim 5, characterized in that: The folding mechanism is arranged on the mounting frame, and comprises a folding plate for bending the animation paper from horizontal to vertical direction and a second lifting assembly for driving the folding plate to move up and down, and the folding plate is arranged on the outer side of the folding plate.

8. An angle wrapping device for an automatic stretch painting machine according to claim 1, characterized in that: Transverse positioning mechanisms are respectively arranged on both sides of the material placing station, and the transverse positioning mechanisms on both sides are symmetrically arranged with the longitudinal central axis of the material placing station as the center. The transverse positioning mechanisms include positioning blocks arranged on both sides of the material placing station and transverse driving components that drive the positioning blocks to clamp or move away from the picture frame, and the horizontal height of the positioning blocks is higher than that of the material placing station.

9. A corner wrapping device for an automatic stretch painting machine according to claim 1, characterized in that: A longitudinal positioning mechanism is arranged on the inner side of the angle plate, and the longitudinal positioning mechanisms on both sides are symmetrically arranged with the transverse central axis of the material placement station as the center. The longitudinal positioning mechanism includes a positioning rod for positioning the picture frame and a longitudinal driving assembly for driving the positioning rod. The positioning rod is arranged parallel to the feeding direction of the frame, and the longitudinal driving assemblies on the same side are arranged oppositely, and the positioning rod is arranged between the material placement station and the longitudinal driving assembly.

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