阅读说明：本技术 一种预折装置 (Pre-folding device ) 是由 赵晓军 马阔 刘继成 魏伟伟 于 2021-08-11 设计创作，主要内容包括：本发明提供一种预折装置,涉及纸盒成型技术领域。该预折装置,包括铰链连杆机构、调整组件和步进电机,所述步进电机包括两对第一电机和第二电机,两个所述第一电机的底面均固定连接有第一支撑板,所述支持板上表面固定连接有第一连接板,所述第一连接板靠近第一电机的一面固定连接有两个相互对称第一U型板。该预折装置,通过设置铰链连杆机构、调整组件、步进电机、长折板和短折板,步进电机的转动下,驱动着第二转轴和第一转轴转动,驱动铰链连杆机构先使长折板翻折180度,长折弯板翻完成折长边,然后,驱动铰链连杆机构使短折板翻折180度,短折弯板翻完成折短边,能够狭小空间内纸板四边翻折功能,折弯板沿预定轨迹翻折。(The invention provides a pre-folding device, and relates to the technical field of carton forming. The pre-folding device comprises a hinge connecting rod mechanism, an adjusting assembly and a stepping motor, wherein the stepping motor comprises two pairs of first motors and two pairs of second motors, a first supporting plate is fixedly connected to the bottom surfaces of the first motors, a first connecting plate is fixedly connected to the upper surfaces of the supporting plates, and two first U-shaped plates which are symmetrical to each other are fixedly connected to one surface of the first connecting plate, which is close to the first motors. This device of book in advance through setting up hinge link mechanism, adjustment subassembly, step motor, long folded plate and short folded plate, under step motor's rotation, the drive second pivot and first pivot are rotating, and drive hinge link mechanism makes long folded plate turn over a 180 degrees earlier, and long board of bending is turned over and is accomplished a long limit of book, then, drive hinge link mechanism makes short folded plate turn over a 180 degrees, and the board of short bending is turned over and is accomplished a book minor face, can narrow and small space interior cardboard four sides turn over a function, and the board of bending is turned over along predetermined orbit and is turned over.)

1. The utility model provides a device of book in advance, includes hinge link mechanism (1), adjusting part (2) and step motor (4), its characterized in that: the stepping motor (4) comprises two pairs of first motors (41) and second motors (42), the bottom surfaces of the two first motors (41) are fixedly connected with first supporting plates (5), the upper surface of each supporting plate (5) is fixedly connected with a first connecting plate (6), one surface of each first connecting plate (6) close to the first motor (41) is fixedly connected with two first U-shaped plates (7) which are symmetrical to each other, one surface of each first U-shaped plate (7) which is close to each other is provided with a first rotating shaft (8), the two first U-shaped plates (7) are rotatably connected with a hinge connecting rod mechanism (1) through pin shafts, one end, far away from the first U-shaped plates (7), of the hinge connecting rod mechanism (1) is rotatably connected with a short folded plate (3), the bottom surfaces of the two second motors (42) are fixedly connected with second supporting plates (9), the upper surface of each second supporting plate (9) is fixedly connected with a second connecting plate (10), one side fixedly connected with two mutual symmetry second U templates (11), two that second connecting plate (10) are close to second motor (42) the one side that second U template (11) are close to each other is provided with second pivot (12), two second U template (11) all are connected with hinge link mechanism (1) through round pin axle commentaries on classics, the one end that second U template (11) were kept away from in hinge link mechanism (1) is rotated and is connected with long folded plate (13).

2. A prefolding apparatus according to claim 1, wherein: the hinge linkage mechanism (1) comprises a first connecting rod (14) and a second connecting rod (15), the first connecting rod (14) is connected with the lower portions of a first U-shaped plate (7) and a second U-shaped plate (11), and the second connecting rod (15) is connected with the upper portions of the first U-shaped plate (7) and the second U-shaped plate (11).

3. A prefolding apparatus according to claim 1, wherein: the output shaft of first motor (41) is fixedly connected with first synchronous pulley (16), the surface cover of first pivot (8) is equipped with second synchronous pulley (17), and second synchronous pulley (17) are connected with first synchronous pulley (16) through the belt, the output shaft fixedly connected with first bevel gear (18) of second motor (42), the surface cover of second pivot (12) is equipped with second bevel gear (19), and second pivot (12) and first bevel gear (18) intermeshing.

4. A prefolding apparatus according to claim 1, wherein: the adjusting assembly (2) comprises a support frame (21), a feed screw (22), a sliding block (23), an adjusting rotating wheel (24) and guide rods (25), wherein the support frame (21) is internally provided with two guide rods (25) which are symmetrical to each other, the feed screw (22) is arranged in the middle of each guide rod (25), one end of the feed screw (22) is connected with the adjusting rotating wheel (24), and the outer surface of the feed screw (22) is in threaded connection with the sliding block (23).

Technical Field

The invention relates to the technical field of carton forming, in particular to a pre-folding device.

Background

The packaging box is used for propagandizing and beautifying commodities by virtue of exquisite modeling and decoration to a great extent, and the competitiveness of the commodities is improved. The shape and structure design of the packing box are determined by the shape and characteristics of the packaged goods, so that the packing box has a plurality of styles and types, including rectangular, square, polygonal, irregular paper boxes, cylindrical, triangular and the like, but the manufacturing process is basically the same, namely, materials, design icons, manufacturing templates, stamping and jointing into boxes are selected. Because the wrapping paper has certain thickness and hardness, the wrapping paper is not folded uniformly due to insufficient indentation, or is easy to deform after being folded, or even has an unfolding phenomenon, and therefore, the paperboard needs to be pre-folded before being folded and formed.

Disclosure of Invention

The invention aims to provide a pre-folding device which can realize the four-side folding function of a paperboard in a narrow space, and a folding plate can be folded along a preset track.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a pre-folding device comprises a hinge connecting rod mechanism, an adjusting assembly and a stepping motor, wherein the stepping motor comprises two pairs of first motors and second motors, the bottom surfaces of the two first motors are fixedly connected with first supporting plates, the upper surfaces of the supporting plates are fixedly connected with first connecting plates, one surfaces of the first connecting plates, which are close to the first motors, are fixedly connected with two first U-shaped plates which are symmetrical with each other, one surfaces of the two first U-shaped plates, which are close to each other, are provided with first rotating shafts, the two first U-shaped plates are both rotationally connected with the hinge connecting rod mechanism through pin shafts, one ends, which are far away from the first U-shaped plates, of the hinge connecting rod mechanism are rotationally connected with short folding plates, the bottom surfaces of the two second motors are fixedly connected with second supporting plates, the upper surfaces of the second supporting plates are fixedly connected with second connecting plates, one surfaces, which are close to the second motors, are fixedly connected with two second U-shaped plates which are symmetrical with each other, the side, close to each other, of each of the two second U-shaped plates is provided with a second rotating shaft, each of the two second U-shaped plates is rotatably connected with a hinge connecting rod mechanism through a pin shaft, and one end, far away from the second U-shaped plate, of each hinge connecting rod mechanism is rotatably connected with a long folded plate.

Further, hinge link mechanism includes first connecting rod and second connecting rod, first connecting rod is connected with the lower part of first U template and second U template, and the second connecting rod is connected with the upper portion of first U template and second U template.

Further, the output rotating shaft of the first motor is fixedly connected with a first synchronous belt pulley, a second synchronous belt pulley is sleeved on the outer surface of the first rotating shaft and is connected with the first synchronous belt pulley through a belt, the output rotating shaft of the second motor is fixedly connected with a first bevel gear, a second bevel gear is sleeved on the outer surface of the second rotating shaft, and the second rotating shaft and the first bevel gear are meshed with each other.

Furthermore, the adjusting assembly comprises a support frame, a feed screw, a sliding block, an adjusting rotating wheel and guide rods, two guide rods which are symmetrical to each other are arranged in the support frame, the feed screw is arranged in the middle of each guide rod, one end of the feed screw is connected with the adjusting rotating wheel, and the sliding block is connected to the outer surface of the feed screw in a threaded mode.

Compared with the prior art, the pre-folding device has the following beneficial effects:

this device of book in advance is through setting up hinge link mechanism, the adjustment subassembly, step motor, long folded plate and short folded plate, can be after the adjustment subassembly adjustment, under the rotation of second motor, drive first bevel gear and second bevel gear are driving the second pivot and are rotating, drive hinge link mechanism makes long folded plate turn over a 180 degrees, long folded plate turns over and accomplishes a long limit of book, then under the rotation of first motor, drive first synchronous pulley and second synchronous pulley are driving first pivot rotation, drive hinge link mechanism makes short folded plate turn over and turns over 180 degrees, short folded plate turns over and accomplishes a minor face of book, the function is rolled over to cardboard four sides in can narrow and small space, the board of bending turns over along the book of predetermined orbit and turns over.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the present invention.

Wherein, 1, hinge connecting rod mechanism; 2. an adjustment assembly; 3. short folded plates; 4. a stepping motor; 5. a first support plate; 6. a first connecting plate; 7. a first U-shaped plate; 8. a first rotating shaft; 9. a second support plate; 10. a second connecting plate; 11. a second U-shaped plate; 12. a second rotating shaft; 13. a long folded plate; 14. a first link; 15. a second link; 16. a first timing pulley; 17. a second timing pulley; 18. a first bevel gear; 19. a second bevel gear; 21. a support frame; 22. a feed screw; 23. a slider; 24. adjusting the rotating wheel; 25. a guide bar; 41. a first motor; 42. a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, an embodiment of the present invention provides a pre-folding device, which comprises a hinge link mechanism 1, an adjusting assembly 2 and a stepping motor 4, wherein the stepping motor 4 comprises two pairs of first motors 41 and second motors 42, the bottom surfaces of the two first motors 41 are fixedly connected with a first supporting plate 5, the upper surface of the supporting plate 5 is fixedly connected with a first connecting plate 6, one surface of the first connecting plate 6, which is close to the first motor 41, is fixedly connected with two first U-shaped plates 7 which are symmetrical to each other, the surface, which is close to the two first U-shaped plates 7, is provided with a first rotating shaft 8, the two first U-shaped plates 7 are rotatably connected with the hinge link mechanism 1 through a pin shaft, one end, which is far away from the first U-shaped plates 7, of the hinge link mechanism 1 is rotatably connected with a short folded plate 3, the bottom surfaces of the two second motors 42 are fixedly connected with a second supporting plate 9, and the upper surface of the second supporting plate 9 is fixedly connected with a second connecting plate 10, one side of the second connecting plate 10 close to the second motor 42 is fixedly connected with two symmetrical second U-shaped plates 11, one side of the two second U-shaped plates 11 close to each other is provided with a second rotating shaft 12, the output rotating shaft of the first motor 41 is fixedly connected with a first synchronous belt pulley 16, the outer surface of the first rotating shaft 8 is sleeved with a second synchronous belt pulley 17, the second synchronous belt pulley 17 is connected with the first synchronous belt pulley 16 through a belt, the output rotating shaft of the second motor 42 is fixedly connected with a first bevel gear 18, the outer surface of the second rotating shaft 12 is sleeved with a second bevel gear 19, the second rotating shaft 12 is meshed with the first bevel gear 18, the first motor 41 and the second motor 42 can drive the first rotating shaft 8 and the second rotating shaft 12 to rotate, the two second U-shaped plates 11 are both rotatably connected with a hinge connecting rod mechanism 1 through a pin shaft, one end of the hinge connecting rod mechanism 1 far away from the second U-shaped plates 11 is rotatably connected with a long folded plate 13, the hinge connecting rod mechanism 1 comprises a first connecting rod 14 and a second connecting rod 15, the first connecting rod 14 is connected with the lower parts of a first U-shaped plate 7 and a second U-shaped plate 11, the second connecting rod 15 is connected with the upper parts of the first U-shaped plate 7 and the second U-shaped plate 11, the hinge connecting rod mechanism 1 is connected with the first U-shaped plate 7, the second U-shaped plate 11, a first rotating shaft 8 and a second rotating shaft 12, the hinge connecting rod mechanism can be driven to move through the rotation of the first rotating shaft 8 and the second rotating shaft 12, so as to control the long folded plate 13 and the short folded plate 3, the adjusting assembly 2 comprises a supporting frame 21, a feed screw 22, a slide block 23, an adjusting rotating wheel 24 and guide rods 25, two guide rods 25 which are symmetrical to each other are arranged in the supporting frame 21, a feed screw 22 is arranged between the two guide rods 25, one end of the feed screw 22 is connected with the adjusting rotating wheel 24, the slide block 23 is connected with the outer surface of the feed screw 22 through threads, the hinge linkage mechanism 1 can be simply adjusted by arranging the adjusting component 2, so that the hinge linkage mechanism 1 can complete the turnover of 180 degrees on the long folded plate 13 and the short folded plate 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.