A cam forming structure without replacing a push knife and a pressure plate

By designing a cam forming structure without replacing the push knife and the pressure plate, and using a servo motor to drive the transmission shaft to drive the forming cam to rotate, the problem of interference between the push knife and the pressure plate in the prior art is solved, and more efficient carton production is achieved.

CN110789177BActive Publication Date: 2025-03-14DONGGUAN HONGMING MACHINERY

Patent Information

Application Number
CN201911237797.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-12-06
Publication Date
2025-03-14
Estimated Expiration
2039-12-06

AI Technical Summary

Technical Problem

In the existing paper carton processing structure, the long and short edge push knife and the press plate interfere with each other, resulting in the need to replace the push knife and press plate when the box size changes, which extends the conversion and mold change time and reduces production efficiency.

Method used

A cam forming structure without replacing the push knife and press plate is designed. The drive shaft is driven by a servo motor to drive the brush cam, folding cam and pressing cam to rotate, thereby realizing the edge-holding, folding and pressing forming actions of long and short sides, avoiding interference between the push knife and press plate.

Benefits of technology

When the box size changes, there is no need to replace the push knife and press plate, which significantly saves the conversion and mold replacement time of the carton production and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a cam forming structure which does not require replacement of a push knife and a pressing plate, comprising a first servo motor, a transmission shaft, a first brush cam, a first folding cam, a first pressing cam, a first brush, a first push knife, a first pressing plate, a cylinder, an ear-folding aluminum plate, a second servo motor, a second brush, a second push knife, a second pressing plate, a first high cam box, a first low cam box, a base plate, a second high cam box and a second low cam box, wherein a first servo motor is installed at one end of the top of the base plate, a first high cam box is installed above the first servo motor, and a first brush cam, a first folding cam and a first pressing cam are respectively installed in the middle of the first high cam box through a transmission shaft. The present invention avoids interference between long and short side push knives and a pressing plate, and when the size of a box changes, the push knife and the pressing plate do not need to be replaced, thereby greatly saving the conversion and mold changing time of paper box production and improving production efficiency.
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Description

Technical Field

[0001] The invention relates to the technical field of paper box production and processing, and in particular to a cam forming structure which does not require replacement of a push knife and a pressing plate. Background Art

[0002] Paper boxes are the most widely used type of packaging industrial products and the most important form of transportation packaging. Paper boxes are widely used as sales packaging for various products such as food, medicine, and electronics. In the production and processing of paper boxes, the long and short sides of the paper boxes need to be supported, folded, and pressed. The long and short side push knives and pressing plates of the paper box processing structure in the prior art interfere with each other. When the box size changes, the push knives and pressing plates need to be replaced, which makes production and processing inconvenient, prolongs the conversion and mold changing time, and reduces production efficiency. Therefore, it is necessary to design a cam forming structure that does not require replacement of push knives and pressing plates. Summary of the invention

[0003] The object of the present invention is to provide a cam forming structure without replacing a push knife and a pressure plate, so as to solve the problems raised in the above-mentioned background technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a cam forming structure without replacing a push knife and a pressure plate, comprising a first servo motor, a transmission shaft, a first brush cam, a first folding cam, a first pressure cam, a first brush, a first push knife, a first pressure plate, a cylinder, an ear-folding aluminum plate, a second servo motor, a second brush cam, a second folding cam, a second pressure cam, a second brush, a second push knife, a second pressure plate, a first high cam box, a first low cam box, a substrate, a second high cam box and a second low cam box, a first servo motor is installed at one end of the top of the substrate, a first high cam box is installed above the first servo motor, a first brush cam, a first folding cam and a first pressure cam are respectively installed in the middle of the first high cam box through a transmission shaft, an output end of the first servo motor is fixedly connected to one end of the transmission shaft, One end of the first brush cam is connected to the first brush through a connecting shaft, one end of the first folding cam is connected to the first push knife through a connecting shaft, one end of the first pressure cam is connected to the first pressure plate through a connecting shaft, a cylinder is installed on one side of the first servo motor, and the output end of the cylinder is connected to the folded ear aluminum plate through a piston rod, a first low cam box is installed on one side of the first high cam box, and the second brush cam, the second folding cam and the second pressure cam are respectively installed in the middle of the first low cam box through a transmission shaft, a second servo motor is installed below the first low cam box, the output end of the second servo motor is fixedly connected to one end of the transmission shaft, one end of the second brush cam is connected to the second brush through a connecting shaft, one end of the second folding cam is connected to the second push knife through a connecting shaft, and one end of the second pressure cam is connected to the second pressure plate through a connecting shaft.

[0005] Furthermore, a second high cam box is installed at a position on one side of the first high cam box on the top of the surface of the substrate, and a second low cam box is installed at a position on one side of the first low cam box on the top of the surface of the substrate. The first high cam box and the second high cam box have the same structure, and the first low cam box and the second low cam box have the same structure.

[0006] Furthermore, the four corners of the top of the base plate are all equipped with hanging rings.

[0007] Furthermore, a fixing plate is installed in the middle of the outer sides of the first servo motor and the second servo motor, a mounting hole is opened in the middle of the fixing plate, and the first servo motor and the second servo motor are located in the fixing hole.

[0008] Compared with the prior art, the beneficial effect achieved by the present invention is as follows: as the mold drives the box downward, the first servo motor drives the transmission shaft in the first high cam box to rotate, the transmission shaft drives the first brush cam, the first folding cam and the first pressing cam to rotate, the first brush cam drives the first brush forward and backward, thereby erecting the facial paper on the long side and wrapping it around the box blank, the mold is lifted, the first folding cam drives the first push knife forward and backward, thereby pushing down the facial paper with the long side erected, the mold moves downward to press the long side, the first pressing cam drives the first pressing plate forward and backward, pressing the facial paper with the long side tightly on the box blank, the cylinder works to drive the folding ear aluminum plate to complete the folding ear action, the mold drives the box to continue to move downward, and the second servo motor drives the transmission shaft in the first low cam box The shaft rotates, and the transmission shaft drives the second brush cam, the second folding cam and the second pressing cam to rotate, respectively driving the second brush, the second push knife and the second pressing plate to perform shaping actions such as supporting, folding and pressing on the short side. Similarly, the long side and the short side of the carton are formed by the second high cam box and the second low cam box at the other end of the base plate. The long side forming action and the short side forming action are decomposed, and combined with the layered structure of the first high cam box and the second high cam box, the interference of the first push knife, the first pressing plate, the second push knife and the second pressing plate on the long and short sides is avoided. When the size of the box changes, the first push knife, the first pressing plate, the second push knife and the second pressing plate do not need to be replaced, which greatly saves the conversion and mold changing time of carton production and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0010] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0011] Figure 2 It is a schematic diagram of the structure of the first high cam box of the present invention;

[0012] Figure 3 is a cross-sectional view of a first high cam box of the present invention;

[0013] Figure 4 is a schematic diagram of the first low cam box structure of the present invention;

[0014] Figure 5 is a cross-sectional view of a first low cam box of the present invention;

[0015] In the figure: 1. first servo motor; 2. transmission shaft; 3. first brush cam; 4. first folding cam; 5. first edge pressing cam; 6. first brush; 7. first push knife; 8. first pressure plate; 9. cylinder; 10. folding ear aluminum plate; 11. second servo motor; 12. second brush cam; 13. second folding cam; 14. second edge pressing cam; 15. second brush; 16. second push knife; 17. second pressure plate; 18. first high cam box; 19. first low cam box; 20. base plate; 21. second high cam box; 22. second low cam box. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-5The present invention provides a technical solution: a cam forming structure without replacing a push knife and a pressing plate, comprising a first servo motor 1, a transmission shaft 2, a first brush cam 3, a first folding cam 4, a first pressing cam 5, a first brush 6, a first push knife 7, a first pressing plate 8, a cylinder 9, a folding ear aluminum plate 10, a second servo motor 11, a second brush cam 12, a second folding cam 13, a second pressing cam 14, a second brush 15, a second push knife 16, a second pressing plate 17, a first high cam box 18, a first low cam box 19, a base plate 20, a second high cam box 21 and a second low cam box 22, and the top four corners of the base plate 20 are all equipped with hanging rings. It is convenient for the installation of the base plate 20; a first servo motor 1 is installed at one end of the top of the base plate 20, a first high cam box 18 is installed above the first servo motor 1, a first brush cam 3, a first folding cam 4 and a first pressing cam 5 are respectively installed in the middle of the first high cam box 18 through a transmission shaft 2, an output end of the first servo motor 1 is fixedly connected to one end of the transmission shaft 2, one end of the first brush cam 3 is connected to the first brush 6 through a connecting shaft, one end of the first folding cam 4 is connected to the first push knife 7 through a connecting shaft, one end of the first pressing cam 5 is connected to the first pressing plate 8 through a connecting shaft, a cylinder 9 is installed on one side of the first servo motor 1, and an output end of the cylinder 9 The first high cam box 18 is connected to the ear-folding aluminum plate 10 through a piston rod, and a first low cam box 19 is installed on one side of the first high cam box 18. The second brush cam 12, the second folding cam 13 and the second edge pressing cam 14 are respectively installed in the middle of the first low cam box 19 through a transmission shaft 2. A second servo motor 11 is installed below the first low cam box 19. The output end of the second servo motor 11 is fixedly connected to one end of the transmission shaft 2. One end of the second brush cam 12 is connected to the second brush 15 through a connecting shaft. One end of the second folding cam 13 is connected to the second push knife 16 through a connecting shaft. One end of the second edge pressing cam 14 is connected to the second pressing plate 17 through a connecting shaft. The surface of the substrate 20 A second high cam box 21 is installed at the top of the surface located on one side of the first high cam box 18, and a second low cam box 22 is installed at the top of the surface of the substrate 20 located on one side of the first low cam box 19. The first high cam box 18 and the second high cam box 21 have the same structure, and the first low cam box 19 and the second low cam box 22 have the same structure, which is convenient for supporting, folding and pressing the edges around the paper box; a fixing plate is installed in the middle of the outer side of the first servo motor 1 and the second servo motor 11, and a mounting hole is opened in the middle of the fixing plate. The first servo motor 1 and the second servo motor 11 are located in the fixing hole, which is convenient for fixing the first servo motor 1 and the second servo motor 11;As the mold drives the box downward, the first servo motor 1 drives the transmission shaft 2 in the first high cam box 18 to rotate, and the transmission shaft 2 drives the first brush cam 3, the first folding cam 4 and the first pressing cam 5 to rotate. The first brush cam 3 drives the first brush 6 forward and backward, so that the facial paper on the long side is erected and wrapped around the box blank. The mold is lifted, and the first folding cam 4 drives the first push knife 7 forward and backward, so as to push down the facial paper with the long side erected. The mold moves downward to press the long side, and the first pressing cam 5 drives the first pressing plate 8 forward and backward to press the facial paper on the long side onto the box blank. The cylinder 9 works to drive the folding ear aluminum plate 10 to complete the folding ear action. The mold drives the box to continue to move downward, and the second servo motor 11 drives the transmission shaft 2 in the first low cam box 19 to rotate, and the transmission shaft 2 drives the second brush cam 1 2. The second folding cam 13 and the second pressing cam 14 rotate, respectively driving the second brush 15, the second push knife 16 and the second pressing plate 17 to perform shaping actions such as supporting, folding and pressing the short edge. Similarly, the second high cam box 21 and the second low cam box 22 at the other end of the base plate 20 shape the long edge and the short edge of the carton. By decomposing the long edge shaping action and the short edge shaping action, combined with the layered structure of the first high cam box 18 and the second high cam box 21, the interference of the first push knife 7, the first pressing plate 8, the second push knife 16 and the second pressing plate 17 on the long and short edges is avoided, so that when the box size changes, the first push knife 7, the first pressing plate 8, the second push knife 16 and the second pressing plate 17 do not need to be replaced, which greatly saves the conversion and mold changing time of carton production and improves production efficiency. ;

[0018] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cam forming structure without replacing a push knife and a pressure plate, comprising a first servo motor (1), a transmission shaft (2), a first brush cam (3), a first folding cam (4), a first pressure cam (5), a first brush (6), a first push knife (7), a first pressure plate (8), a cylinder (9), a folding ear aluminum plate (10), a second servo motor (11), a second brush cam (12), a second folding cam (13), a second pressure cam (14), a second brush (15), a second push knife (16), a second pressure plate (17), a first high cam box (18), a first low cam box (19), a base plate (20), a second high cam box (21) and a second low cam box (22), characterized in that: A first servo motor (1) is installed at one end of the top of the base plate (20), a first high cam box (18) is installed above the first servo motor (1), a first brush cam (3), a first folding cam (4) and a first edge pressing cam (5) are installed in the middle of the first high cam box (18) through a transmission shaft (2), an output end of the first servo motor (1) is fixedly connected to one end of the transmission shaft (2), one end of the first brush cam (3) is connected to the first brush (6) through a connecting shaft, one end of the first folding cam (4) is connected to the first push knife (7) through a connecting shaft, and one end of the first edge pressing cam (5) is connected to the first pressing plate (8) through a connecting shaft, and a cylinder (9) is installed on one side of the first servo motor (1), and the output of the cylinder (9) is fixedly connected to one end of the transmission shaft (2). The output end is connected to the folded ear aluminum plate (10) through a piston rod, a first low cam box (19) is installed on one side of the first high cam box (18), a second brush cam (12), a second folding cam (13) and a second edge pressing cam (14) are respectively installed in the middle of the first low cam box (19) through a transmission shaft (2), a second servo motor (11) is installed below the first low cam box (19), an output end of the second servo motor (11) is fixedly connected to one end of the transmission shaft (2), one end of the second brush cam (12) is connected to the second brush (15) through a connecting shaft, one end of the second folding cam (13) is connected to the second push knife (16) through a connecting shaft, and one end of the second edge pressing cam (14) is connected to the second pressing plate (17) through a connecting shaft.

2. The cam forming structure without replacing the push blade and the pressure plate according to claim 1, characterized in that: A second high cam box (21) is installed at a position on the top of the surface of the base plate (20) located on one side of the first high cam box (18), and a second low cam box (22) is installed at a position on the top of the surface of the base plate (20) located on one side of the first low cam box (19). The first high cam box (18) and the second high cam box (21) have the same structure, and the first low cam box (19) and the second low cam box (22) have the same structure.

3. The cam forming structure without replacing the push blade and the pressure plate according to claim 1, characterized in that: The four corners of the top of the base plate (20) are all equipped with hanging rings.

4. The cam forming structure without replacing the push blade and the pressure plate according to claim 1, characterized in that: A fixing plate is installed in the middle of the outer sides of the first servo motor (1) and the second servo motor (11), a mounting hole is opened in the middle of the fixing plate, and the first servo motor (1) and the second servo motor (11) are located in the fixing hole.

Citation Information

Patent Citations

  • Cam forming structure without replacing push broach and pressing plate

    CN211441373U

Cited By

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