Box sealing and plate folding mechanism for food packaging

Abstract

The utility model discloses a food packaging box sealing folding plate mechanism which comprises a machine frame. The conveying belts are mounted at the upper end of the rack and are arranged left and right at intervals; the box pressing frame is connected to the rack, and a front folded plate structure, a rear folded plate structure and a side folded plate structure are arranged on the box pressing frame; the rear end of the front folded plate structure is provided with a folding structure which is drawn close forwards and downwards; the rear folding plate structure is movably installed on the box pressing frame and used for folding a rear cover plate of the box body towards the front folding plate structure so that the rear cover plate can be pressed by the front folding plate structure. The side folding plate structures are used for folding the side cover plates of the box body moving forwards inwards and pressing the front cover plate and the rear cover plate; and the rear folding driving mechanism is mounted on the box pressing frame and used for driving the rear folding plate structure to move. Only the rear folding plate structure needs to be driven by the rear folding driving mechanism, the front folding plate structure and the side edge folding plate structure directly drive the box body to move forwards through the conveying belt to achieve gradual downward folding of the cover plate, the complexity and fault points of equipment are reduced, and the equipment cost and the debugging difficulty are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to food packaging technical field, in particular, relate to a food packaging sealing box folding plate mechanism. BACKGROUND

[0002] In today's food packaging field, pudding and other small box packaging products sealing box process is an important link in the production process. The traditional sealing box mode mainly relies on manual operation, not only inefficient, but also easy to cause sealing box not firm, appearance irregular and other problems due to human factors, affect the overall quality and market competitiveness of products. With the continuous development of automation technology, there are some automatic sealing box equipment in the market, but these devices are mostly complex structure, high cost, need four cover plates on the top of the box to drive the mechanical arm to fold the cover plate, complex structure, and need accurate coordination control to complete the folding and pressing operation of the front cover plate, rear cover plate and side cover plate, leading to the device cost and debugging are more troublesome. UTILITARIAN CONTENT

[0003] The utility model aims at at least one of the technical problems existing in the prior art. Therefore, the utility model provides a food packaging sealing box folding plate mechanism.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A food packaging sealing box folding plate mechanism, comprising: a rack; a conveyor belt, installed on the upper end of the rack and arranged at intervals left and right, for driving the box entering the middle of the two conveyor belts to move forward; a box pressing frame connected to the rack and located above the conveyor belt, the box pressing frame is provided with a front folding plate structure, a rear folding plate structure and a side edge folding plate structure; the rear end of the front folding plate structure is provided with a folding structure that converges forward and downward, so as to fold the front cover plate of the box moving forward; the rear folding plate structure is movably installed on the box pressing frame, for folding the rear cover plate of the box towards the front folding plate structure so that it can be pressed by the front folding plate structure; the rear end of the side edge folding plate structure is more forward than that of the front folding plate structure, the side edge folding plate structure is provided with two symmetrical structures left and right for folding the side cover plate of the box moving forward inward and pressing the front cover plate and the rear cover plate; a rear folding driving mechanism is installed on the box pressing frame for driving the rear folding plate structure to move.

[0006] Further, the box pressing frame is provided with a pressure stabilizing plate, which is located in front of the side edge folding plate structure and used for pressing the side cover plate.

[0007] Further, the rear end of the pressure stabilizing plate is upwardly curved, a vertical plate is fixedly connected to the pressure stabilizing plate, a strip-shaped hole is provided on the vertical plate, a connecting hole corresponding to the strip-shaped hole is provided on the box pressing frame, and a fastener is installed in the strip-shaped hole and the connecting hole in alignment.

[0008] Further, the side edge folding plate structure is a round rod, the rear end of the round rod is inclined upward, and the left and right round rods gradually approach each other forward.

[0009] Further, the front end of the round rod is provided with a connecting column extending upward, the pressing box frame is provided with a mounting block, the mounting block is provided with a vertical hole, the side wall of the mounting block is provided with a fastening hole, the connecting column is embedded in the vertical hole and can be movably adjusted in height and angle, a fastening screw is mounted on the fastening hole to fix the connecting column.

[0010] Further, the rear folding plate structure has an avoiding state and a folding plate state, the rear folding plate structure is hingedly installed on the pressing box frame to realize switching between the avoiding state and the folding plate state, the rear folding plate structure in the avoiding state is higher than that in the folding plate state to avoid the front and rear movement paths of the box body, and the rear folding plate structure in the folding plate state can fold the rear cover plate of the box body toward the front folding plate structure.

[0011] Further, the pressing box frame is provided with a shielding cover, and the rear side and the left and right sides of the rear folding plate structure in the avoiding state are partially shielded.

[0012] Further, the pressing box frame is movably installed on the rack, and the rack is provided with a lifting driving mechanism to drive the pressing box frame to move up and down.

[0013] Further, the rack is provided with a vertical frame, the vertical frame is provided with a sliding groove, the side edge of the pressing box frame is provided with a lifting frame, and the lifting frame is provided with a nut block embedded in the sliding groove; the lifting driving mechanism is a motor, the output shaft of the motor is connected with a lead screw extending into the sliding groove, and the lead screw is in transmission connection with the nut block.

[0014] Further, the rack is provided with roller shafts arranged in the front and rear directions.

[0015] The utility model has the following beneficial effects:

[0016] The box body is moved forward by a conveying belt, and the automatic folding and pressing of the cover plates are realized by the front folding plate structure, the rear folding plate structure and the side edge folding plate structure on the box pressing frame, the whole process does not need manual intervention, the time and manpower needed for sealing the box are greatly reduced, the production efficiency is significantly improved, the needs of large-scale production can be met, the folding and pressing operation of the front cover plate, the rear cover plate and the side cover plate of the box body can be accurately completed, the folding structure of the front folding plate structure can stably fold the front cover plate, the rear folding plate structure folds the rear cover plate under the driving of the rear folding driving mechanism, and the side edge folding plate structure ensures that the side cover plate is folded inward and presses the front cover plate and the rear cover plate. Compared with some existing automatic box sealing devices, the structure of the utility model is more simple, a plurality of driving mechanisms are not needed to drive the mechanical arm to perform the complex cover plate folding operation, only the rear folding plate structure needs to be driven by the rear folding driving mechanism, the front folding plate structure and the side edge folding plate structure directly rely on the conveying belt to move the box body forward to realize the gradual downward folding of the cover plate, the complexity and the fault point of the equipment are reduced, and the equipment cost and the debugging difficulty are reduced. Since the equipment structure of the utility model is simple, the number of driving mechanisms is reduced, and complex coordination control is not needed, the cost can be significantly reduced in equipment manufacturing, installation and maintenance.

[0017] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings that form a part of this application are used to provide further understanding of the utility model, the schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0019] Figure 1 It is the overall structure schematic view of the utility model embodiment;

[0020] Figure 2 It is Figure 1 The sectional view of;

[0021] Figure 3 It is the exploded state structure schematic view of the utility model embodiment;

[0022] Figure 4 It is the structure schematic view of the box pressing frame;

[0023] Figure 5 It is Figure 4 The enlarged view of A of;

[0024] Legend:

[0025] Box body 101, front cover plate 102, rear cover plate 103, side cover plate 104;

[0026] the rack 100, the vertical frame 110, the sliding groove 111, the roller shaft 120, the mounting frame 130;

[0027] the conveying belt 200;

[0028] the pressing box frame 300, the front folding plate structure 310, the folding structure 311, the horizontal section 312, the rear folding plate structure 320, the side folding plate structure 330, the connecting column 331, the pressure stabilizing plate 340, the vertical plate 341, the strip-shaped hole 342, the mounting block 350, the vertical hole 351, the fastening hole 352, the shielding cover 360, the lifting frame 370, the nut block 371;

[0029] the rear folding driving mechanism 400. DETAILED DESCRIPTION

[0030] It should be understood that the specific embodiments described herein are merely exemplary and are not intended to limit the present application.

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0033] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of a person skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0034] Please refer to Figure 1 and Figure 2 In a preferred embodiment of the present application, a food packaging box folding plate mechanism is provided, which comprises a rack 100, a conveying belt 200, a pressing box frame 300 and a rear folding driving mechanism 400.

[0035] The conveying belts 200 are installed on the upper end of the frame 100 and are arranged at intervals left and right, and are used to drive the box 101 entering the middle of the two conveying belts 200 to move forward; specifically, a mounting rack 130 is fixed on the upper end of the frame 100, and the conveying belts 200 are installed on the mounting rack 130, and the conveying belts 200 are arranged at intervals left and right and can clamp the box 101 to move forward by friction, and since the conveying belts 200 have a certain elastic ability, the box 101 will not be clamped and broken. In order to improve the friction, the surface of the conveying belt 200 is also provided with a strip-shaped protrusion.

[0036] The box pressing frame 300 is connected to the frame 100, and the box pressing frame 300 is located above the conveying belt 200, and the box pressing frame 300 is provided with a front flap structure 310, a rear flap structure 320, and a side flap structure 330; the rear end of the front flap structure 310 is provided with a folding structure 311 that converges forward and downward, so as to fold the front cover plate 102 of the box 101 moving forward, as shown in FIG. 2, the front cover plate 102 of the box 101 moving forward will contact the folding structure 311 and gradually fold downward with the forward movement. The front end of the folding structure 311 is connected with a horizontal section 312 to realize the continuous pressing of the front cover plate 102 that has been folded. Specifically, the folding structure 311 is a circular arc plate, and the horizontal section 312 is a horizontal plate.

[0037] The rear flap structure 320 is movably installed on the box pressing frame 300, and is used to fold the rear cover plate 103 of the box 101 towards the front flap structure 310 so as to be pressed by the front flap structure 310, that is, after the rear flap structure 320 folds the rear cover plate 103, the rear cover plate 103 will contact the front flap structure 310 and be pressed by the front flap structure 310, so as to realize the folding and holding of the rear cover plate 103.

[0038] The rear end of the side flap structure 330 is more forward than the rear end of the front flap structure 310, so that after the front cover plate 102 and the rear cover plate 103 are folded and pressed by the front flap structure 310, the left and right side cover plates 104 are folded and pressed again, so that the side cover plates 104 are pressed on the front cover plate 102 and the rear cover plate 103. Specifically, the side flap structure 330 is located in front of the folding structure 311, and the rear end of the side flap structure 330 is more forward than the rear end of the horizontal section 312. The side flap structure 330 is symmetrically provided with two for folding the side cover plate 104 of the box 101 moving forward inward and pressing the front cover plate 102 and the rear cover plate 103, that is, the side cover plate 104 of the box 101 moving forward will contact the side flap structure 330 and be folded downward by the side flap structure 330 while the box 101 moves forward.

[0039] The rear folding driving mechanism 400 is installed on the box pressing frame 300 and is used to drive the rear folding plate structure 320 to move, so as to realize the folding of the rear cover plate 103.

[0040] The food packaging and sealing box folding plate mechanism provided by the utility model can drive the box body 101 to move forward through the conveying belt 200, and realize the automatic folding and pressing of the cover plate through the front folding plate structure 310, the rear folding plate structure 320 and the side edge folding plate structure 330 on the box pressing frame 300, the whole process does not need manual intervention, the time and manpower required for sealing the box are greatly reduced, the production efficiency is remarkably improved, the needs of large-scale production can be met, the folding and pressing operation of the front cover plate 102, the rear cover plate 103 and the side cover plate 104 of the box body 101 can be accurately completed, the folding structure 311 of the front folding plate structure 310 can stably fold the front cover plate 102, the rear folding plate structure 320 is driven to complete the folding of the rear cover plate 103 under the driving of the rear folding driving mechanism 400, and the side edge folding plate structure 330 ensures that the side cover plate 104 is folded inward and pressed against the front cover plate 102 and the rear cover plate 103. Compared with some existing automatic sealing box equipment, the structure of the utility model is more simple, a plurality of driving mechanisms are not needed to drive the mechanical arm to perform the complex cover plate folding operation, only the rear folding plate structure 320 needs to be driven by the rear folding driving mechanism 400, the front folding plate structure 310 and the side edge folding plate structure 330 directly rely on the conveying belt 200 to drive the box body 101 to move forward to realize the gradual downward folding of the cover plate, the complexity and fault points of the equipment are reduced, and the equipment cost and debugging difficulty are reduced. Since the equipment structure of the utility model is simple, the number of driving mechanisms is reduced, and complex coordination control is not needed, the cost can be remarkably reduced in equipment manufacturing, installation and maintenance.

[0041] Referring to Figure 2 and Figure 4 In some embodiments of the utility model, the box pressing frame 300 is provided with a pressure stabilizing plate 340, the pressure stabilizing plate 340 is located on the front side of the side edge folding plate structure 330 and is used to press the side cover plate 104, and the side cover plate 104 has pressed the front cover plate 102 and the rear cover plate 103 after passing through the side edge folding plate structure 330, that is, the pressure stabilizing plate 340 presses all the cover plates on the top of the box body 101, so that the subsequent adhesive tape pasting mechanism or manual adhesive tape pasting is facilitated.

[0042] Referring to Figure 4In further embodiments of the utility model, the rear end of the pressure plate 340 is upwardly curved, so as to adapt to the slightly curved side cover plate 104, and gradually press the side cover plate 104 to the fully closed state. The front end of the pressure plate 340 has a horizontal plate to continuously press the side cover plate 104 horizontally. The pressure plate 340 is fixedly connected with a vertical plate 341, the vertical plate 341 is provided with a strip hole 342, the pressure box frame 300 is provided with a connecting hole corresponding to the strip hole 342, the strip hole 342 is aligned with the connecting hole and is provided with a fastener, the fastener can be a screw or a bolt and a nut, the strip hole 342 can be vertically adjusted to be aligned with the connecting hole, so as to adjust the position of the pressure plate 340 to adapt to the box body 101 of different heights.

[0043] With reference to Figure 4 In further embodiments of the utility model, the side edge folding plate structure 330 is a round rod, and the surface of the circumferential wall of the round rod is a curved surface, which can reduce the indentation and damage to the cover plate. The rear end of the round rod is upwardly inclined, and the left and right round rods gradually approach each other forward, so that the side cover plate 104 is in contact with the round rod, and then the box body 1011 continues to move forward with the side cover plate 104, and is pressed downward by the round rod which is inclined forward and gradually approaches each other, and is gradually folded inward.

[0044] With reference to Figure 5 In further embodiments of the utility model, the front end of the round rod is provided with a connecting column 331 extending upward, the pressure box frame 300 is provided with a mounting block 350, the mounting block 350 is provided with a vertical hole 351, the side wall of the mounting block 350 is provided with a fastening hole 352, the connecting column 331 is embedded in the vertical hole 351 and can be adjusted in height and angle, and a fixing screw is installed on the fastening hole 352 to fix the connecting column 331, so that the height and angle of the round rod can be adjusted by using the connecting column 331 to adapt to the box body 101 of different specifications. When adjusted to the appropriate position, the fixing screw is installed to fix the position, so as to realize adjustment and fixation. The round rods on both sides usually need to be kept symmetrical after adjustment.

[0045] In further embodiments of the utility model, the rear folding plate structure 320 is a swing arm, and the rear folding plate structure 320 has an avoiding state and a folding plate state, and the rear folding plate structure 320 is hingedly installed on the pressure box frame 300 to realize switching between the avoiding state and the folding plate state. Figure 1As shown, the rear flap structure 320 is in a avoiding state, the rear flap structure 320 in the avoiding state is higher than the flap state, the rear flap structure 320 in the avoiding state is in a high position state, and the rear flap structure 320 in the avoiding state can avoid the front and rear moving paths of the box body 101. The rear flap structure 320 in the flap state can fold the rear cover plate 103 of the box body 101 towards the front flap structure 310. When the rear cover plate 103 of the box body 101 needs to be folded forward, the rear folding driving mechanism 400 can be driven to rotate downward to fold the rear cover plate 103 of the box body 101 forward. The rear folding driving mechanism 400 can be a telescopic driving mechanism, such as a pneumatic cylinder or a telescopic motor. The telescopic driving mechanism is hinged at both ends of the compression box frame 300.

[0046] Referring to Figure 4 In further embodiments of the present application, the compression box frame 300 is provided with a shielding cover 360, which shields the rear side and the left and right sides of the rear flap structure 320 in the avoiding state, so as to avoid the rear flap structure 320 from being damaged by other equipment or personnel during use or installation.

[0047] Referring to Figure 2 And Figure 3 In further embodiments of the present application, the compression box frame 300 is movably installed on the rack 100, and a lifting driving mechanism is installed on the rack 100 to drive the compression box frame 300 to move up and down, so as to adjust the height of the compression box frame 300 to adapt to the sealing flap of the box body of different heights.

[0048] Referring to Figure 2 And Figure 3 In further embodiments of the present application, the rack 100 is provided with a vertical frame 110, the vertical frame 110 is provided with a sliding groove 111, the compression box frame 300 is provided with a lifting frame 370 on the side edge, the lifting frame 370 is provided with a nut block 371 embedded in the sliding groove 111, the lifting driving mechanism is a motor, the output shaft of the motor is connected with a lead screw extending into the sliding groove 111, the lead screw is in transmission connection with the nut block 371, and the nut block 371 is lifted and moved up and down through the screw transmission of the lead screw and nut pair, so as to realize the lifting movement of the compression box frame 300. In addition, in order to lock the height of the compression box frame 300, the motor can be a motor with an electromagnetic brake, or the output shaft and the lead screw are connected with a reducer with large reduction ratio, so as to increase the friction force to prevent the nut block 371 from floating, and the turbine worm transmission in the reducer can also realize the self-locking function.

[0049] In some embodiments of the present application, the rack 100 is provided with roller shafts 120 arranged in the front and rear directions on the upper end, the roller shafts 120 can rotate along the axis thereof, and the roller shafts 120 can bear the box body 101 to reduce the resistance of the box body 101 moving forward.

[0050] The above merely is preferred embodiment of the present utility model, and is not for limiting the present utility model, for the person skilled in the art, the present utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A food packaging carton closing flap mechanism, characterized in that The utility model relates to a box folding and pressing device, which comprises a frame (100), a conveying belt (200) installed on the upper end of the frame (100) and arranged at intervals left and right, used to drive the box (101) entering the middle of the two conveying belts (200) to move forward, a box pressing frame (300) connected to the frame (100) and located above the conveying belt (200), wherein the box pressing frame (300) is provided with a front folding plate structure (310), a rear folding plate structure (320) and a side edge folding plate structure (330), the rear end of the front folding plate structure (310) is provided with a folding structure (311) that leans forward and downward to fold the front cover plate (102) of the box (101) moving forward, the rear folding plate structure (320) is movably installed on the box pressing frame (300) to fold the rear cover plate (103) of the box (101) toward the front folding plate structure (310) to be pressed by the front folding plate structure (310), the rear end of the side edge folding plate structure (330) is more forward than that of the front folding plate structure (310), and the side edge folding plate structure (330) is symmetrically provided with two for folding the side cover plate (104) of the box (101) moving forward inward and pressing the front cover plate (102) and the rear cover plate (103), a rear folding driving mechanism (400) is installed on the box pressing frame (300) to drive the rear folding plate structure (320) to move. The box pressing frame (300) is provided with a pressure stabilizing plate (340) located in front of the side edge folding plate structure (330) to press the side cover plate (104). The rear end of the pressure stabilizing plate (340) is upwardly tilted, a vertical plate (341) is fixedly connected to the pressure stabilizing plate (340), a strip-shaped hole (342) is formed in the vertical plate (341), a connecting hole corresponding to the strip-shaped hole (342) is formed in the box pressing frame (300), the strip-shaped hole (342) is aligned with the connecting hole and is provided with a fastener. The side edge folding plate structure (330) is a round rod, the rear end of the round rod is upwardly tilted, and the left and right round rods gradually lean toward each other forward. The front end of the round rod is provided with a connecting column (331) extending upward, the box pressing frame (300) is provided with a mounting block (350), the mounting block (350) is provided with a vertical hole (351), a fastening hole (352) is formed in the side wall of the mounting block (350), the connecting column (331) is embedded in the vertical hole (351) and can be movably adjusted in height and angle, and a fastening screw is installed in the fastening hole (352) to fix the connecting column (331).

2. The food packaging carton closing flap mechanism of claim 1, wherein, The rear folding plate structure (320) has an avoiding state and a folding plate state, the rear folding plate structure (320) is hingedly installed on the box pressing frame (300) to switch between the avoiding state and the folding plate state, the rear folding plate structure (320) in the avoiding state is higher than that in the folding plate state to avoid the front and rear moving paths of the box (101), and the rear folding plate structure (320) in the folding plate state can fold the rear cover plate (103) of the box (101) toward the front folding plate structure (310).

3. The food packaging carton closing flap mechanism of claim 2, wherein, ​ 4. The food packaging carton closing flap mechanism of claim 1, wherein, ​ 5. The food packaging carton closing flap mechanism of claim 4, wherein, ​ 6. The food packaging carton closing flap mechanism of claim 1, wherein, ​ 7. The food packaging carton closing flap mechanism of claim 6, wherein, The pressing box frame (300) is provided with a shielding cover (360) for shielding the rear side and the left and right sides of the rear folding plate structure (320) in a partially shielding and avoiding state.

8. The food packaging carton closing flap mechanism of claim 1, wherein, The pressing box frame (300) is movably installed on the frame (100), and a lifting driving mechanism is installed on the frame (100) to drive the pressing box frame (300) to move up and down.

9. The food packaging carton closing flap mechanism of claim 8, wherein, The frame (100) is provided with a vertical frame (110), the vertical frame (110) is provided with a sliding groove (111), the pressing box frame (300) is provided with a lifting frame (370) on the side edge, the lifting frame (370) is provided with a nut block (371) embedded in the sliding groove (111), the lifting driving mechanism is a motor, the output shaft of the motor is connected with a lead screw which extends into the sliding groove (111), and the lead screw is in transmission connection with the nut block (371).

10. The food packaging carton closing flap mechanism of claim 1, wherein, The frame (100) is provided with roller shafts (120) arranged in the front-rear direction on the upper end.

Images