A box packaging forming device

Abstract

The invention discloses a box packaging forming device, wherein an annular guide rail protrusion and a supporting driving device are fixed on the top of a workbench, a center cylinder and a turntable are arranged on the top of the supporting driving device, a cam is fixed on the bottom end of the center cylinder, an annular guide rail groove is arranged on the side surface of the center cylinder, eight bosses are evenly arranged around the turntable, a connecting rod pressing mechanism is arranged on the top of a workpiece seat, a horizontal push block pressing mechanism is arranged on one side of the workpiece seat, and a vertical push block pressing mechanism is arranged on the bottom of the boss, the workpiece is carried by eight identical toolings to rotate with the turntable for one circle, and the paper box is processed and formed once through eight working procedures of folding outer edges, holding pressure, folding ears, holding pressure, folding upper sides, holding pressure, folding lower sides and holding pressure in sequence, the whole device has a flexible driving mode and a simple structural principle, and has the characteristics of continuous production process and high productivity of the assembly line production mode, and each tooling is also independent of each other, and the processed workpieces do not interfere with each other.

Description

Technical Field

[0001] The invention relates to the field of paper box packaging equipment, and in particular to a box packaging forming device. Background Art

[0002] With the advancement of mechanical automation, many packaging manufacturers use automatic production lines to process packaging cartons, especially some small cartons in large quantities such as medicine boxes and cigarette boxes. The existing automatic lines have a limited number of processes that can be completed at each workstation, and most of them can only perform one or two folding actions, resulting in a long production line, and the equipment operation and control are more troublesome. Once a certain workstation fails, the subsequent processes cannot be carried out. In addition, the folding action of these devices is generally to press the cardboard into a specific cavity through a cylinder push rod, or to drive the folding plate with a motor to achieve folding of the side of the cardboard. These working structures require complex clamping tooling and drive device support, and the equipment investment cost is relatively high. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a box packaging forming device, in which eight workstations are arranged in a rotational manner, each process is continuous with each other, but the workstations are independent of each other, and multiple foldings can be completed after one rotation. The device has high integration, low failure rate and high production efficiency.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] The present invention discloses a box packaging forming device, comprising a workbench, a ring guide rail protrusion and a support driving device are fixed on the top of the workbench, the ring guide rail protrusion is a splicing structure, the ring guide rail protrusion comprises a pressure-maintaining guide rail, a release guide rail and a transition guide rail, the top plane of the pressure-maintaining guide rail is higher than the release guide rail, a center tube and a turntable are arranged on the top of the support driving device, the output shaft of the support driving device is fixedly connected to the turntable, the bracket of the support driving device is fixedly connected to the center tube, a cam is fixed on the bottom end of the center tube, a ring guide rail groove is arranged on the side of the center tube, and the side of the ring guide rail groove comprises A pressure holding plane, a release plane and a transition surface, the height of the pressure holding plane is higher than the height of the release plane, eight bosses are evenly distributed around the turntable, a workpiece seat is fixed on the top of the boss, a connecting rod pressing mechanism is arranged on the top of the workpiece seat, one end of the connecting rod of the connecting rod pressing mechanism is in rolling contact with the lower side surface of the annular guide rail groove, a horizontal push block pressing mechanism is arranged on the side of the workpiece seat close to the center tube, the push block of the horizontal push block pressing mechanism is in rolling contact with the outer circle of the cam, a vertical push block pressing mechanism is arranged at the bottom of the boss, the push block of the vertical push block pressing mechanism is in rolling contact with the upper surface of the annular guide rail protrusion.

[0006] As a preferred technical solution of the present invention, two vertical plates are fixed on the surface of the workbench close to the root of the boss, a top plate and a support plate are fixed between the vertical plates, and four upper guide rods are fixed between the protruding ends of the top plate and the support plate.

[0007] As a preferred technical solution of the present invention, the surface of the upper guide rod is slidably connected with a first slider, there are two first sliders, and upper folding molds are fixed at the ends or both sides respectively, and the tops of the first sliders are hinged with connecting rods.

[0008] As a preferred technical solution of the present invention, the other end of the connecting rod is fixedly connected to a roller bearing, and the roller bearing is embedded and installed inside the annular guide groove. The middle part of the connecting rod is rotatably connected to a rotating shaft, and both ends of the rotating shaft are fixedly connected to the vertical plate.

[0009] As a preferred technical solution of the present invention, a first push block is arranged on one side of the workpiece seat close to the center tube, a horizontal roller is fixed to one end of the first push block, the horizontal roller rolls against the outer circle of the cam, and an inner folding ear mold is arranged on the other end of the first push block.

[0010] As a preferred technical solution of the present invention, a spring is arranged between the first push block and the workpiece seat, a linear guide is arranged at the bottom of the first push block, the linear guide is fixed to the surface of the workbench, and the slide of the linear guide is fixedly connected to the first push block.

[0011] As a preferred technical solution of the present invention, a bottom plate is fixed to the bottom of the boss, four lower guide rods are fixed between the bottom plate and the boss, a second slider is slidably connected to the surface of the lower guide rod, and a lower folding mold is fixed to the top of the second slider.

[0012] As a preferred technical solution of the present invention, a second push block is fixed to the bottom of the second sliding block, the bottom end of the second push block passes through the bottom plate and is fixed with a first vertical roller, which is in rolling contact with the upper surface of the annular guide rail protrusion.

[0013] As a preferred technical solution of the present invention, a push rod is provided on one side of the lower guide rod, the push rod passes through the bottom plate and is slidably connected to the bottom plate, and an outer folding ear mold is fixed on the top of the push rod.

[0014] As a preferred technical solution of the present invention, a second vertical roller is fixed to the bottom of the push rod, an arc-shaped guide rail protrusion is arranged on the outer side of the annular guide rail protrusion, and the second vertical roller can roll in contact with the upper surface of the arc-shaped guide rail protrusion.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention uses eight identical toolings to carry the workpiece and rotate with the turntable for one circle, and passes through eight workstations in sequence to complete the following processes: folding the outer edge, holding pressure, folding the ears, holding pressure, folding the upper side edge, holding pressure, folding the lower side edge, and holding pressure. The entire device has high integration and powerful functions, and can process and shape the paper box in one step, and in conjunction with the automatic loading and unloading device, it can process the workpiece in a cycle. It has the characteristics of continuous production process, high productivity and easy automation of the assembly line production method. The various toolings are also independent of each other, and the processed workpieces do not interfere with each other. The risk of line stoppage caused by a tooling failure can be effectively avoided, further improving labor productivity and shortening the production cycle. The connecting rod pressing mechanism is driven by a fixed annular guide groove, the horizontal pressing mechanism is driven by a fixed cam, and the vertical pressing mechanism is driven by annular guide protrusions and arc guide protrusions. The driving method is flexible, the design is ingenious, the structural principle is simple and compact, the manufacturing is simple, and the maintenance is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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:

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of a single station structure of the present invention;

[0020] Figure 3 It is a schematic diagram of the protruding structure of the annular guide rail of the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the annular guide rail groove of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the connecting rod pressing mechanism in which the upper folding edge is fixed at the end of the present invention;

[0023] Figure 6 It is a schematic diagram of the structure of the connecting rod pressing mechanism in which the upper folding edge is fixed on both sides of the present invention;

[0024] Figure 7 It is a structural schematic diagram of the horizontal push block pressing mechanism of the present invention;

[0025] Figure 8 It is a schematic structural diagram of the vertical push block pressing mechanism of the present invention;

[0026] In the figure: 1, workbench; 2, annular guide rail protrusion; 3, support drive device; 4, pressure-maintaining guide rail; 5, release guide rail; 6, transition guide rail; 7, center tube; 8, rotary table; 9, cam; 10, annular guide rail groove; 11, pressure-maintaining plane; 12, release plane; 13, transition curved surface; 14, boss; 15, workpiece seat; 16, connecting rod pressing mechanism; 17, horizontal push block pressing mechanism; 18, vertical push block pressing mechanism; 19, vertical plate; 20, top plate; 21, support plate; 2 2. Upper guide rod; 23. First slider; 24. Upper folding die; 25. Connecting rod; 26. Roller bearing; 27. Rotating shaft; 28. First push block; 29. ​​Horizontal roller; 30. Inner folding ear die; 31. Spring; 32. Linear guide rail; 33. Bottom plate; 34. Lower guide rod; 35. Second slider; 36. Lower folding die; 37. Second push block; 38. First vertical roller; 39. Push rod; 40. Second vertical roller; 41. Outer folding ear die; 42. Arc guide rail protrusion. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention. The same reference numerals in the accompanying drawings all refer to the same components.

[0028] In addition, if a detailed description of a known technology is not necessary for illustrating the features of the present invention, it will be omitted. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0029] Example 1

[0030] like Figure 1-8As shown, the present invention provides a box packaging forming device, including a workbench 1, a ring guide rail protrusion 2 and a support driving device 3 are fixed on the top of the workbench 1, the ring guide rail protrusion 2 is a splicing structure, the ring guide rail protrusion 2 includes a pressure-maintaining guide rail 4, a release guide rail 5 and a transition guide rail 6, the top plane of the pressure-maintaining guide rail 4 is higher than the release guide rail 5, a center tube 7 and a turntable 8 are arranged on the top of the support driving device 3, the output shaft of the support driving device 3 is fixedly connected to the turntable 8, the bracket of the support driving device 3 is fixedly connected to the center tube 7, a cam 9 is fixed on the bottom end of the center tube 7, an ring guide rail groove 10 is arranged on the side of the center tube 7, and the side of the ring guide rail groove 10 includes a pressure-maintaining plane 11 , a release plane 12 and a transition curved surface 13. The height of the pressure holding plane 11 is higher than the height of the release plane 12. Eight bosses 14 are evenly distributed around the turntable 8. A workpiece seat 15 is fixed on the top of the boss 14. A connecting rod pressing mechanism 16 is arranged on the top of the workpiece seat 15. One end of the connecting rod of the connecting rod pressing mechanism 16 is in rolling contact with the lower side surface of the annular guide groove 10. A horizontal push block pressing mechanism 17 is arranged on the side of the workpiece seat 15 close to the center tube 7. The push block of the horizontal push block pressing mechanism 17 is in rolling contact with the outer circle of the cam 9. A vertical push block pressing mechanism 18 is arranged at the bottom of the boss 14. The push block of the vertical push block pressing mechanism 18 is in rolling contact with the upper surface of the annular guide protrusion 2.

[0031] Furthermore, two vertical plates 19 are fixed to the surface of the workbench 1 near the root of the boss 14. The vertical plates 19 are L-shaped, placed vertically, and fixed at the bottom by screws to provide support for the connecting rod pressing mechanism 16. A top plate 20 and a support plate 21 are fixed between the vertical plates 19. The top plate 20 and the support plate 21 are both horizontally placed directly above the boss 14 and fixed by screws. Four upper guide rods 22 are fixed between the protruding ends to provide a sliding guide function.

[0032] Four linear bearings are fixed on the first slider 23 by screws, and the linear bearings cooperate with the upper guide rod 22 so that the upper guide rod 22 and the first slider 23 can slide relative to each other. There are two first sliders 23, and upper folding molds 24 are fixed at the ends or both sides respectively, so that the upper folding mold 24 can press and fold the workpiece from two directions. By arranging a hinged support at the connection between the first slider 23 and the connecting rod 25, the two are hinged to form a transmission mechanism of the connecting rod slider.

[0033] The other end of the connecting rod 25 is fixedly connected to a roller bearing 26, the specific model of the roller bearing 26 is BPC22-d10-PP, the main roller of the roller bearing 26 is embedded in the annular guide groove 10, so that one end of the connecting rod 25 can roll along the side of the annular guide groove 10, the middle of the connecting rod 25 is rotatably connected to a rotating shaft 27, the two ends of the rotating shaft 27 are fixedly connected to the vertical plate 19, and the two ends of the connecting rod 25 form a lever structure through the rotating shaft 27, which is transmitted through the connecting rod slider mechanism. When the roller bearing 26 is released on the plane 1 2, the first slider 23 slides upward to the highest point, the upper folding die 24 is away from the workpiece and does not work. When the roller bearing 26 rolls on the pressure-maintaining plane 11, the first slider 23 is at the lowest point, and the upper folding die 24 performs pressure-maintaining molding on the folded workpiece. When the roller bearing 26 rolls on the transition curved surface 13, if it rolls toward the pressure-maintaining plane 11, the upper folding die 24 starts to fold the workpiece, otherwise, the folding is completed and leaves the workpiece. The number of the connecting rod 25, the rotating shaft 27 and the annular guide groove 10 is the same as that of the first slider 23, which is two.

[0034] A first push block 28 is provided on one side of the workpiece seat 15 close to the center tube 7. In the horizontal direction, the center line of the first push block 28 is arranged along the radial direction of the turntable 8 and coincides with the center line of the corresponding boss 14 and the workpiece seat 15. A horizontal roller 29 is fixed to the inner end of the first push block 28. The horizontal roller 29 has the same height as the cam 9 and their outer circles roll against each other. An inner folding ear mold 30 is provided at the other end of the first push block 28. The inner folding ear mold 30 is fixed to both sides of the first push block 28 by screws to press and fold the inner ears of the workpiece.

[0035] A spring 31 is arranged between the first push block 28 and the workpiece seat 15. Through the elastic force of the spring 31, the horizontal roller 29 and the cam 9 are always tightly pressed against each other during the rotation of the turntable 8. A linear guide 32 is arranged at the bottom of the first push block 28. The linear guide 32 is fixed to the surface of the worktable 1. The slide of the linear guide 32 is fixedly connected to the first push block 28. When the horizontal roller 29 moves to the vicinity of the large diameter of the cam 9, the first push block 28 slides along the linear guide 32, compresses the spring 31, and pushes the inner folding ear mold 30 toward the workpiece for pressing and forming. When the horizontal roller 29 leaves the large diameter of the cam 9, the spring 31 stretches, pushes the first push block 28 to reset, and at the same time makes the inner folding ear mold 30 leave the workpiece.

[0036] A bottom plate 33 is fixed to the bottom of the boss 14. The bottom plate 33 is a horizontal plate and is fixed by overlapping a vertical plate to provide support for the vertical push block pressing mechanism 18. Four lower guide rods 34 are fixed between the bottom plate 33 and the boss 14. A second slider 35 is slidably connected to the surface of the lower guide rod 34. The second slider 35 is the same as the first slider 23 and is slidably connected to the lower guide rod 34 through a linear bearing. A lower folding die 36 is fixed to the top of the second slider 35. The lower folding die 36 is located on both sides of the bottom of the workpiece.

[0037] A second push block 37 is fixed to the bottom of the second sliding block 35. The bottom end of the second pushing block 37 passes through the bottom plate 33 and is fixed with a first vertical roller 38. The first vertical roller 38 is in rolling contact with the upper surface of the annular guide rail protrusion 2. During the rotation of the turntable 8, due to its own gravity, the first vertical roller 38 always rolls on the upper surface of the annular guide rail protrusion 2. The annular guide rail protrusion 2 is composed of three kinds of guide rails, namely, a pressure-maintaining guide rail 4, a release guide rail 5 and a transition guide rail 6. The height of the pressure-maintaining guide rail 4 is higher than that of the release guide rail 5. When the first vertical roller 38 rolls onto the release guide rail 5, the second sliding block 35 is 5 slides downward to the lowest point, the lower hemming die 36 is away from the workpiece and does not work. When rolling onto the transition guide rail 6, the first vertical roller 38, the second push block 37 and the second slide block 35 move upward as a whole, and the lower hemming die 36 begins to approach the workpiece upward to press the workpiece. When rolling onto the pressure-maintaining guide rail 4, the second slide block 35 slides upward to the highest point, and the lower hemming die 36 keeps pressing the workpiece to perform pressure-maintaining molding. When returning to the release guide rail 5 again, the lower hemming die 36 leaves the workpiece. Each guide rail has its own positioning foot, which is fixed to the workbench 1 by screws, making splicing and installation convenient.

[0038] A push rod 39 is provided on one side of the lower guide rod 34. The push rod 39 passes through the bottom plate 33 and is slidably connected to the bottom plate 33. A linear guide rail 32 is also fixed on the bottom plate 33. The push rod 39 can slide up and down through the linear guide rail 32. An outer folding ear mold 41 is fixed on the top of the push rod 39 to press and fold the outer ear of the workpiece.

[0039] A second vertical roller 40 is fixed to the bottom of the push rod 39, and an arc-shaped guide rail protrusion 42 is arranged on the outer side of the annular guide rail protrusion 2. The arc-shaped guide rail protrusion 42 is a one-section annular guide rail, and its upper surface smoothly transitions with the surface of the workbench 1. The second vertical roller 40 can roll in contact with the upper surface of the arc-shaped guide rail protrusion 42. During one rotation of the turntable 8, under the action of gravity, the second vertical roller 40 rolls directly on the surface of the workbench 1 most of the time. At this time, the push rod 39 is at a low point, and the outer folding ear mold 41 is not working. When rolling onto the arc-shaped guide rail protrusion 42, the push rod 39 slides upward to a high point, and the outer folding ear mold 41 presses the workpiece, followed by pressure-maintaining molding for a certain period of time. After that, as part of the annular guide rail protrusion 42 disappears, the push rod 39 returns to the low point, and the outer folding ear mold 41 leaves the workpiece.

[0040] Specifically, when in use, each component is installed and fixed firmly, and the annular guide rail protrusion 2 and the support drive device 3 are fixed to the center of the workbench 1 by screws. The annular guide rail protrusion 2 is composed of two transition guide rails 6, one pressure-maintaining guide rail 4 and five release guide rails 5. The transition guide rail 6 is fixed on both sides of the pressure-maintaining guide rail 4. The support drive device 3 provides support for the central tube 7 to keep it stationary. The side surface of the annular guide rail groove 10 on the side of the central tube 7 includes: a transition curved surface 13, a pressure-maintaining plane 11 and a release plane 12. The pressure-maintaining plane The height of the surface 11 is higher than the release plane 12. The supporting drive device 3 provides support and rotation power for the turntable 8. Eight bosses 14 are evenly distributed around the turntable 8. A grooved workpiece seat 15 is placed on each boss 14. Eight workstations are set around a circle. Each workstation is independently provided with three major tooling modules: a connecting rod pressing mechanism 16, a horizontal push block pressing mechanism 17 and a vertical push block pressing mechanism 18. During the process of the turntable 8 rotating one circle, the workpieces in each workpiece seat 15 will undergo eight different processes to complete the packaging.

[0041] During processing, the various processes are as follows:

[0042] First station: fold the outer edge, the connecting rod pressing mechanism 16 is activated, the upper folding die 24 is fixed to the end of the first slider 23, and the roller bearing 26 at one end of the connecting rod 25 starts to roll from the release plane 12 of the annular guide groove 10 to the transition surface 13, and rolls upward. Under the lever action of the rotating shaft 27, the other end of the connecting rod 25 drives the first slider 23 and the upper folding die 24 to slide downward, gradually pressing the outer edge of the folded workpiece.

[0043] The second station: pressure holding. When the roller bearing 26 continues to roll onto the pressure holding plane 11, it keeps rolling horizontally at a high position. The upper folding die 24 slides downward to the low point and stops moving. The workpiece is pressure-held and formed. When the roller bearing 26 continues to roll onto the transition surface 13, it rolls downward. The upper folding die 24 is retracted upward until the high point, that is, the roller bearing 26 reaches the release plane 12 and rolls to complete the folding of the outer edge of the workpiece.

[0044] The third station: folding ears. The push rod 39 parts of the horizontal push block pressing mechanism 17 and the vertical push block pressing mechanism 18 act simultaneously. When the horizontal roller 29 rolls to near the large diameter of the cam 9, the first push block 28 slides along the linear guide rail 32, compresses the spring 31, and pushes the inner folding ear mold 30 to move toward the workpiece, folds the inner ear of the workpiece, and gradually presses and folds it. At the same time, the second vertical roller 40 rolls onto the arc guide rail protrusion 42, pushing the push rod 39 to slide upward, driving the outer folding ear mold 41 to fold the outer ear of the workpiece upward.

[0045] The fourth station: pressure holding. When the horizontal roller 29 moves on the large diameter of the cam 9, the inner ear is pressure-formed. Then the horizontal roller 29 leaves the large diameter of the cam 9, and the spring 31 stretches to push the first push block 28 to reset, so that the inner folding ear mold 30 leaves the workpiece. Similarly, when the second vertical roller 40 rolls on the arc guide rail protrusion 42, the outer ear is pressure-formed. When leaving the arc guide rail protrusion 42, the push rod 39 returns to the low point, so that the outer folding ear mold 41 leaves the workpiece, completing the ear folding work.

[0046] The fifth station: fold the upper side, the connecting rod pressing mechanism 16 is activated, the upper folding die 24 is fixed on both sides of the first slide block 23, and the folding of the upper side of the workpiece is completed by referring to the transmission principle of the first station action.

[0047] The sixth station: pressure maintenance, the connecting rod pressing mechanism 16 is activated, the upper folding die 24 is fixed on both sides of the first slide 23, and the upper side of the workpiece is folded according to the transmission principle of the second station.

[0048] The seventh station: fold the lower side, the second slider 35 of the vertical push block pressing mechanism 18 moves, at this time, the first vertical roller 38 rolls onto the transition guide rail 6, the first vertical roller 38, the second push block 37 and the second slider 35 move upward as a whole, driving the lower folding die 36 to start approaching the workpiece upward and folding the lower side of the workpiece.

[0049] The eighth station: pressure holding. When rolling onto the pressure holding guide rail 4, the second slider 35 slides upward to the highest point, and the lower folding die 36 maintains a state of pressing the workpiece in contact with the workpiece to form the workpiece under pressure. Then, when rolling onto the release guide rail 5, the second slider 35 slides downward to the lowest point, and the lower folding die 36 moves away from the workpiece to complete the folding of the lower fold of the workpiece.

[0050] The present invention fixes the same tooling on the eight bosses 14 of the turntable 8: a connecting rod pressing mechanism 16, a horizontal push block pressing mechanism 17 and a vertical push block pressing mechanism 18, so that each tooling can carry the workpiece and make active rotational motion with the turntable 8, and then form relative motion with the fixed center tube 7, cam 9 and annular guide rail protrusion 2, as well as the arc guide rail protrusion 42, to realize the driving of each tooling. The workpiece rotates one circle and passes through eight stations in sequence to complete eight working steps: folding the outer edge, holding pressure, folding the ears, holding pressure, folding the upper side edge, holding pressure, folding the lower side edge, and holding pressure. With the automatic loading and unloading device, the workpiece can be processed cyclically. The production process of the assembly line production method is continuous, the productivity is high and it is easy to automate. The various toolings are also independent of each other, and the processed workpieces do not interfere with each other. The risk of line stoppage caused by a tooling failure can be effectively avoided, the labor productivity is further improved, and the production cycle is shortened. In addition, the device has a clever structure and a high degree of integration, can process the workpiece from three sides, has a simple design principle, and is easy to produce and manufacture.

[0051] The connecting rod pressing mechanism 16 is composed of components such as a connecting rod 25, a first slider 23 and an upper folding die 24. During one rotation of the turntable 8, one end of the connecting rod 25 is driven to slide along the groove of the annular guide groove 10, and passes through the release plane 12, the transition curved surface 13 and the pressure holding plane 11 of different heights in a set order. The connecting rod slider mechanism is used for transmission, and the upper folding die 24 is quickly driven to perform intermittent linear reciprocating motion. It has high wear resistance, is easy to manufacture, and is easy to obtain high manufacturing precision.

[0052] The horizontal push block pressing mechanism 17 is composed of components such as a linear guide 32, a first push block 28 and an inner folding ear mold 30. The cam mechanism is used for transmission to fix the cam 9. The spring 31 is used to ensure that the horizontal roller 29 always keeps in contact with the contour of the cam 9 and transmits power. The contour curve of the cam 9 is designed according to the needs of the processing procedures of each workstation to achieve intermittent reciprocating linear motion of the inner folding ear mold 30 along the linear guide 32. It has a simple and compact structure and is easy to design. It can realize any expected motion and is very suitable for occasions where the follower makes intermittent motion. The linear guide 32 is used for sliding guidance, which has little wear and can maintain accuracy for a long time and is easy to assemble.

[0053] The vertical push block pressing mechanism 18 is composed of the second push block 37, the second slider 35 and the lower folding mold 36, as well as the push rod 39 and the outer folding ear mold 41. During the rotation of the turntable 8, the first vertical roller 38 rolls along the fixed annular guide rail protrusion 2, and rolls on the release guide rail 5, the pressure holding guide rail 4 and the transition guide rail 6 with different heights in a set order, so that the second slider 35 drives the lower folding mold 36 to make intermittent reciprocating linear motion. When the second vertical roller 40 rolls along the arc guide rail protrusion 42, the push rod 39 and the outer folding ear mold 41 move upward. When the second vertical roller 40 leaves the arc guide rail protrusion 42, the push rod 39 and the outer folding ear mold 41 move downward under the action of gravity. The installation and driving method is flexible, the guide rail is fixed, and the components rotate. The structure has high rigidity, high positioning accuracy, and good anti-pollution ability.

[0054] 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 box packaging forming device, comprising a workbench (1), characterized in that: An annular guide rail protrusion (2) and a supporting driving device (3) are fixed on the top of the workbench (1); the annular guide rail protrusion (2) is a spliced ​​structure; the annular guide rail protrusion (2) includes a pressure-maintaining guide rail (4), a release guide rail (5) and a transition guide rail (6); the top plane of the pressure-maintaining guide rail (4) is higher than the release guide rail (5); a center tube (7) and a turntable (8) are arranged on the top of the supporting driving device (3); the output shaft of the supporting driving device (3) is fixedly connected to the turntable (8); the bracket of the supporting driving device (3) is fixedly connected to the center tube (7); a cam (9) is fixed on the bottom end of the center tube (7); an annular guide rail groove (10) is arranged on the side of the center tube (7); The side surface of the annular guide groove (10) comprises a pressure-maintaining plane (11), a release plane (12) and a transition curved surface (13); the height of the pressure-maintaining plane (11) is higher than the height of the release plane (12); eight bosses (14) are evenly arranged around the turntable (8); a workpiece seat (15) is fixed on the top of each boss (14); a connecting rod pressing mechanism (16) is arranged on the top of the workpiece seat (15); one end of the connecting rod of the connecting rod pressing mechanism (16) is in rolling contact with the lower side surface of the annular guide groove (10); a horizontal push block pressing mechanism (17) is arranged on the side of the workpiece seat (15) close to the center tube (7); the push block of the horizontal push block pressing mechanism (17) is in rolling contact with the outer circle of the cam (9); A vertical push block pressing mechanism (18) is provided at the bottom of the boss (14), and the push block of the vertical push block pressing mechanism (18) is in rolling contact with the upper surface of the annular guide rail protrusion (2). Two vertical plates (19) are fixed on the surface of the workbench (1) close to the root of the boss (14), and a top plate (20) and a support plate (21) are fixed between the vertical plates (19). Four upper guide rods (22) are fixed between the protruding ends of the top plate (20) and the support plate (21). The surface of the upper guide rod (22) is slidably connected with a first slider (23). There are two first sliders (23), and upper folding molds (24) are fixed at the ends or both sides respectively. The top of each of the first sliders (23) is hinged with a connecting rod ( 25), the other end of the connecting rod (25) is fixedly connected with a roller bearing (26), the roller bearing (26) is embedded in the annular guide groove (10), the middle part of the connecting rod (25) is rotatably connected with a rotating shaft (27), the two ends of the rotating shaft (27) are fixedly connected with the vertical plate (19), a first push block (28) is arranged on the side of the workpiece seat (15) close to the central tube (7), a horizontal roller (29) is fixed on one end of the first push block (28), the horizontal roller (29) rolls against the outer circle of the cam (9), an inner folding ear mold (30) is arranged on the other end of the first push block (28), and a spring (31) is arranged between the first push block (28) and the workpiece seat (15),A linear guide rail (32) is provided at the bottom of the first push block (28), and the linear guide rail (32) is fixed to the surface of the workbench (1). The slide of the linear guide rail (32) is fixedly connected to the first push block (28). A bottom plate (33) is fixed to the bottom of the boss (14). Four lower guide rods (34) are fixed between the bottom plate (33) and the boss (14). A second slide block (35) is slidably connected to the surface of the lower guide rod (34). A lower folding die (36) is fixed to the top of the second slide block (35). A second push block (37) is fixed to the bottom of the second slide block (35). The end of the lower guide rod (34) passes through the bottom plate (33) and is fixed with a first vertical roller (38), the first vertical roller (38) is in rolling contact with the upper surface of the annular guide rail protrusion (2), a push rod (39) is provided on one side of the lower guide rod (34), the push rod (39) passes through the bottom plate (33) and is slidably connected to the bottom plate (33), an outer folding ear mold (41) is fixed on the top of the push rod (39), and a second vertical roller (40) is fixed on the bottom of the push rod (39), an arc-shaped guide rail protrusion (42) is provided on the outer side of the annular guide rail protrusion (2), and the second vertical roller (40) is in rolling contact with the upper surface of the arc-shaped guide rail protrusion (42).

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