Box opening mechanism and automatic assembly line
By designing a box opening mechanism that uses rotating baffles to contact the box lid, the problem of the box lid obstructing product entry is solved, enabling the box lid to open outwards, adapting to different sized cartons, and improving the packaging efficiency of automated production lines.
Patent Information
- Application Number
- CN202521261282.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-19
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-06-19
AI Technical Summary
When a carton is waiting to be filled with products, the free swing of the lid may block the top space of the carton and hinder the product from entering. A mechanism is needed to open the lid so that the product can be put in.
Design a box opening mechanism that uses a rotating baffle to contact the box cover, and drives the baffle to swing through a rotating rod. Combined with a size adjustment mechanism and a guide structure, it ensures that the baffle can adapt to boxes of different sizes, and realizes the outward opening of the box cover.
It effectively opens the box lid, ensuring that the product can be smoothly inserted into the box, adapting to different sized cartons, and improving the packaging efficiency of automated production lines.
Smart Images

Figure CN223949505U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automatic packaging assembly line field, concretely relates to box body opening mechanism and automatic assembly line. BACKGROUND
[0002] The last link of the automatic assembly line of the production product often cannot be less than the packaging link, and the packaging link also needs to be included in the design of the automatic whole, so that the production rhythm can be guaranteed.
[0003] For most products, packaging is the process of loading a plurality of products into a corrugated box. The original incoming paper box is in a folded state, and the overall outer wall of the paper box forms a cuboid profile after being opened. However, the product is generally placed from the top of the paper box, so the box cover at the top of the paper box is in an open state, that is, the two box covers on both sides of the top of the paper box have two box covers with a swing degree of freedom. The most conventional paper box basically has two mirror-symmetrical openable box covers. Because the box cover is only connected to the paper box at the root, the overall box cover is not constrained enough, and it is in a free swing state, which may block the space at the top of the paper box and hinder the product from entering the box.
[0004] In the process of waiting for the product to be placed in the paper box, an action mechanism is needed to further open the box cover in the free swing state to avoid blocking the space at the top of the paper box, so as to ensure that the product is smoothly placed in the box. UTILITY MODEL CONTENTS
[0005] The utility model solves the problem of providing a box opening mechanism and an automatic assembly line. The utility model uses a rotating baffle to push open the box cover at the top of the box, allowing the box cover to spread out, thereby opening up the space at the top of the box and facilitating the placement of products in the box.
[0006] To solve the above problems, the utility model provides a box opening mechanism and an automatic assembly line. To achieve the above purpose, the utility model adopts the following technical scheme to solve the technical problem:
[0007] A box opening mechanism, comprising: a baffle capable of contacting a box cover at the top of a box; a rotating rod, the baffle being fixed on the rotating rod, the baffle and the connected rotating rod each having a length direction that is at an angle to each other, each rotating rod having a plurality of baffles extending in the same direction; the rotating rod having a rotating degree of freedom with the center line as the axis, the two rotating rods being parallel to each other and horizontally arranged; a size adjusting mechanism, the rotating rod having a synchronous vertical lifting degree of freedom, the two rotating rods having a translation degree of freedom of approaching or moving away from each other, and the baffles on the same rotating rod having a translation degree of freedom of approaching or moving away from each other.
[0008] The beneficial effect of the above technical scheme is that the box cover is opened outwardly by the rotating baffle leaf, space is left at the top of the box, and the product is conveniently put into the box.
[0009] As a further improvement of the utility model, the size adjusting mechanism comprises a cross beam and a stand column, the same end of the two rotating rods is movably assembled with the cross beam, and the top of the stand column is fixed with the cross beam.
[0010] The beneficial effect of the above technical scheme is that the cross beam and the stand column are located on one side, and the paper box is conveniently arranged below the rotating rod.
[0011] As a further improvement of the utility model, the cross beam is provided with a longitudinal guide groove extending along the length direction of the cross beam, one end of the rotating rod is movably assembled with the longitudinal guide groove through a sliding plate; the rotating rod is provided with a transverse guide groove extending along the length direction of the rotating rod, the baffle leaf is provided with a sleeve part movably assembled with the transverse guide groove; and the stand column comprises an inner tube and an outer tube which are nested with each other, the top of the inner tube is assembled with the cross beam, the outer tube is provided with a plurality of positioning holes, and the outer tube is selectively assembled with the inner tube through the positioning holes.
[0012] The beneficial effect of the above technical scheme is that the longitudinal guide groove and the transverse guide groove are used as linear guides, so that the baffle leaf has linear translation freedom along the X axis and the Y axis in the horizontal plane, and the baffle leaf can be adapted to boxes of different widths and lengths.
[0013] As a further improvement of the utility model, the sliding plate is fixed with a linear cylinder and a bearing seat, the rotating rod is fixed with a radial protrusion, one end of the linear cylinder is assembled with the radial protrusion, the center lines of the linear cylinder and the rotating rod are non-coplanar and perpendicular to each other, and the linear cylinder drives the rotating rod to rotate.
[0014] The beneficial effect of the above technical scheme is that the linear motion of the linear cylinder is used to drive the rotating rod to rotate within a certain angle, and the radial protrusion is used to ensure that the linear cylinder is perpendicular to the rotating rod and does not intersect with the rotating rod.
[0015] As a further improvement of the utility model, each rotating rod is assembled with two bearing seats, and the radial protrusion is located between the two bearing seats of the rotating rod.
[0016] The beneficial effect of the above technical scheme is that the bearing seat ensures that the rotating resistance of the rotating rod is very small.
[0017] As further improvement of the present application, the two rotating rods rotate synchronously; the rotating directions of the two rotating rods are opposite; the rotating angle range of the rotating rod is less than 180°.
[0018] The beneficial effect of the above technical scheme is that the circumferential directions of the blocking leaves are opposite, so as to open the box cover outward.
[0019] As further improvement of the present application, the blocking leaves comprise horizontal pieces and outer curved pieces which are mutually obtuse, the same end of the horizontal pieces and the outer curved pieces is provided with a hook, and the hook of each of the horizontal pieces and the outer curved pieces forms a gap.
[0020] The beneficial effect of the above technical scheme is that the hook and the gap are convenient for hooking the edge of the box cover.
[0021] As further improvement of the present application, the blocking leaves are movably assembled with the horizontal guide groove through the butterfly bolt.
[0022] The beneficial effect of the above technical scheme is that the butterfly bolt is convenient for manually fine-tuning the position of the blocking leaves on the rotating rod.
[0023] An automatic assembly line comprises the box opening mechanism as mentioned above, comprising: a roller line comprising a plurality of rollers arranged in gaps, the roller line being capable of conveying the box; and the rotating rod is located above the roller line.
[0024] The beneficial effect of the above technical scheme is that the box opening mechanism is arranged on one side of the automatic assembly line, so as to conveniently open the box cover of each passing box outward.
[0025] As further improvement of the present application, the two sides of the roller line are respectively provided with a side blocking strip and a side pushing plate, the side pushing plate has a horizontal translational freedom, the movement direction of the side pushing plate is perpendicular to the conveying direction of the roller line; the roller line further comprises two lifting plates, the lifting plates pass through the gaps between adjacent rollers when lifting; the side blocking strip, the side pushing plate and the lifting plate can contact the outer wall of the box.
[0026] The beneficial effect of the above technical scheme is that the lifting plate can block the box when lifting, the side blocking strip and the side pushing plate limit the left and right positions of the box on the roller line when the box temporarily stops, so as to ensure that the box stops at a fixed position each time, so that the blocking leaves accurately contact the same position of the box cover each time, and the blocking leaves smoothly open the box cover each time. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0028] Figure 1 is a perspective view of an embodiment of the box opening mechanism of the present application;
[0029] Figure 2 is a partial enlarged view of A of an embodiment of the box opening mechanism of the present application;
[0030] Figure 3 is a partial enlarged view of B of an embodiment of the box opening mechanism of the present application;
[0031] Figure 4 is a perspective view of an embodiment of the automatic assembly line of the present application;
[0032] Figure 5 is a perspective view of an embodiment of the automatic assembly line of the present application;
[0033] Figure 6 is a perspective view of an embodiment of the automatic assembly line of the present application.
[0034] 1 - box; 2 - roller line; 21 - roller; 3 - side stop; 4 - side push plate; 5 - lifting plate; 6 - baffle; 61 - horizontal piece; 62 - outer curved piece; 63 - hook claw; 64 - notch; 65 - sleeve part; 7 - butterfly bolt; 8 - rotating rod; 81 - transverse guide groove; 9 - bearing seat; 10 - linear cylinder; 11 - radial protrusion; 12 - sliding plate; 13 - cross beam; 131 - longitudinal guide groove; 14 - inner tube; 15 - outer tube; 151 - positioning hole; 152 - base. DETAILED DESCRIPTION
[0035] The content of the present application will be further described in detail below in combination with specific embodiments:
[0036] In order to achieve the purpose of the utility model, a box supporting mechanism, comprising: baffle 6, can contact with the box cover of the top of the box 1;Rotary rod 8, baffle 6 is fixed on rotary rod 8, baffle 6 and the connected rotary rod 8 each length direction each other angle, each rotary rod 8 is fixed with several mutually same direction extension baffle 6;Rotary rod 8 has rotary freedom degree with its center line as the axis, two rotary rods 8 are parallel and horizontally arranged;Size adjusting mechanism, rotary rod 8 has synchronous vertical lifting freedom degree, two rotary rods 8 have the translation freedom degree of approaching or away, the baffle 6 on the same rotary rod 8 has the translation freedom degree of approaching or away.
[0037] Two baffles 6 are vertically fixed on each rotary rod 8.
[0038] The beneficial effects of the above technical scheme are that the baffle is rotated to push away the box cover on the top of the box, the box cover is unfolded, the space on the top of the box is left, and the product is conveniently put into the box.
[0039] In other embodiments of the utility model, the size adjusting mechanism comprises a cross beam 13 and a stand, the same end of the two rotary rods 8 is movably assembled with the cross beam 13, and the top of the stand is fixed with the cross beam 13.
[0040] The beneficial effects of the above technical scheme are that the cross beam and the stand are located on one side, and the carton is conveniently arranged below the rotary rod.
[0041] In other embodiments of the utility model, the cross beam 13 has a longitudinal guide groove 131 extending along the length direction thereof, one end of the rotary rod 8 is movably assembled with the longitudinal guide groove 131 through a sliding plate 12, the rotary rod 8 has a transverse guide groove 81 extending along the length direction thereof, the baffle 6 has a sleeve part 65 movably assembled with the transverse guide groove 81, and the stand comprises an inner tube 14 and an outer tube 15 nested with each other, the top of the inner tube 14 is assembled with the cross beam 13, the outer tube 15 has a plurality of positioning holes 151, and the outer tube 15 is selectively assembled with the inner tube 14 through the positioning holes 151.
[0042] The beneficial effects of the above technical scheme are that the longitudinal guide groove and the transverse guide groove are used as linear guides, the baffle has linear translation freedom degrees along the X axis and the Y axis in the horizontal plane, and the baffle can be adapted to cartons with different widths and lengths.
[0043] In some other embodiments of this utility model, a linear cylinder 10 and a bearing seat 9 are fixed on the sliding plate 12, a radial protrusion 11 is fixed on the rotating rod 8, one end of the linear cylinder 10 is assembled with the radial protrusion 11, the center lines of the linear cylinder 10 and the rotating rod 8 are perpendicular to each other, and the linear cylinder 10 drives the rotating rod 8 to rotate.
[0044] The linear cylinder 10 can also be replaced by linear electric cylinders or other linear power components.
[0045] The beneficial effects of adopting the above technical solution are: the linear motion of the linear cylinder is used to drive the rotating rod to rotate within a certain angle, and the radial protrusion is to ensure that the linear cylinder and the rotating rod are perpendicular and do not intersect.
[0046] like Figure 2 As shown, in some other embodiments of this utility model, each rotating rod 8 is equipped with two bearing seats 9, and the radial protrusion 11 is located between the two bearing seats 9 of the rotating rod 8.
[0047] The beneficial effect of adopting the above technical solution is that the bearing housing ensures that the rotational resistance when the rotating rod rotates is very small.
[0048] In some other embodiments of this utility model, the two rotating rods 8 rotate synchronously; the two rotating rods 8 rotate in opposite directions; and the rotation angle range of the rotating rods 8 is less than 180°.
[0049] In actual operation, the two rotating rods 8 and their respective baffles 6 swing downwards at first, then gradually move in opposite directions to the front and back sides, thus opening the box cover.
[0050] The beneficial effect of adopting the above technical solution is that the circumferential direction of the baffle rotation is opposite, which allows the box cover to be opened outward.
[0051] like Figure 3 As shown, in some other embodiments of the present invention, the baffle 6 includes a horizontal piece 61 and an outwardly curved piece 62 at obtuse angles to each other. The same end of the horizontal piece 61 and the outwardly curved piece 62 is provided with a hook 63, and a notch 64 is formed between the hooks 63 of the horizontal piece 61 and the outwardly curved piece 62.
[0052] The boundary line between the horizontal plate 61 and the outer curved plate 62 is perpendicular to the length direction of the connected rotating rod 8. The two opposing edges of the two baffles 6 on the rotating rod 8 are each formed by their respective horizontal plates 61.
[0053] The beneficial effects of adopting the above technical solution are that the hook and notch are easy to hook onto the edge of the box lid.
[0054] In some other embodiments of this utility model, the baffle 6 is movably assembled with the transverse guide groove 81 by a butterfly bolt 7.
[0055] The beneficial effect of the above technical scheme is that the butterfly bolt facilitates manual fine adjustment of the position of the baffle on the rotating rod.
[0056] As shown in Figures 4 to 6 An automated assembly line comprising the box opening mechanism as mentioned above, comprising a roller line 2 comprising a plurality of rollers 21 arranged in gaps, the roller line 2 being capable of conveying the box 1; a rotating rod 8 is located above the roller line 2.
[0057] The beneficial effect of the above technical scheme is that the box opening mechanism is arranged on one side of the automated assembly line, facilitating opening of the box cover of each passing box in an outward manner.
[0058] In some other embodiments of the present application, the roller line 2 is provided with a side baffle 3 and a side push plate 4 on both sides, the side push plate 4 has a horizontal translational degree of freedom, and the movement direction of the side push plate 4 is perpendicular to the conveying direction of the roller line 2; the roller line 2 is further provided with two lifting plates 5, the lifting plates 5 pass through the gaps between adjacent rollers 21 when lifting; the side baffle 3, the side push plate 4 and the lifting plates 5 can contact the outer wall of the box 1.
[0059] The beneficial effect of the above technical scheme is that the lifting of the lifting plate can block the forward movement of the box, when the box is temporarily stopped, the side baffle and the side push plate limit the left and right positions of the box on the roller line, ensuring that the box is stopped at a fixed position each time, so that the baffle accurately contacts the same position of the box cover each time, and the baffle smoothly opens the box cover each time.
[0060] The bottom of the outer tube 15 is provided with an expanded base 152.
[0061] Figure 4 And Figure 5 are oblique perspectives from top to bottom, Figure 6 is an oblique perspective from bottom to top.
[0062] Because the structure of the box 1 is a conventional packaging carton or corrugated carton structure, Figures 4 to 6 The box 1 is shown in
[0063] The above embodiments are only for illustrating the technical concept and characteristics of the present application, the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application, any equivalent changes or modifications made according to the spirit and essence of the present application should be covered within the protection scope of the present application.
Claims
1. A case unpinching mechanism characterized by comprising: The application relates to a size-adjusting mechanism for a box, which comprises a baffle leaf capable of contacting a box cover on the top of the box, a rotating rod, the baffle leaf being fixed on the rotating rod, the baffle leaf and the connected rotating rod being at an angle with each other in the length direction, a plurality of baffle leaves being fixed on each rotating rod and extending in the same direction, the rotating rod having a rotating freedom degree with the center line as the axis, the two rotating rods being parallel to each other and horizontally arranged, a size-adjusting mechanism, the rotating rod having a synchronous vertical lifting freedom degree, the two rotating rods having a close-to or far-from translation freedom degree, the baffle leaves on the same rotating rod having a close-to or far-from translation freedom degree. The size-adjusting mechanism comprises a crossbeam and a stand column, the same end of the two rotating rods is movably assembled with the crossbeam, and the top of the stand column is fixed with the crossbeam. The crossbeam has a longitudinal guide groove extending along the length direction of the crossbeam, and one end of the rotating rod is movably assembled with the longitudinal guide groove through a sliding plate. The rotating rod has a transverse guide groove extending along the length direction of the rotating rod, and the baffle leaf has a sleeve part movably assembled with the transverse guide groove.
2. The case unpinning mechanism according to claim 1, characterized in that: The stand column comprises an inner tube and an outer tube which are nested with each other, the top of the inner tube is assembled with the crossbeam, the outer tube has a plurality of positioning holes, and the outer tube is selectively assembled with the inner tube through the positioning holes.
3. The case unpinning mechanism according to claim 2, characterized in that: The sliding plate is fixed with a linear air cylinder and a bearing seat, the rotating rod is fixed with a radial protrusion, one end of the linear air cylinder is assembled with the radial protrusion, the linear air cylinder and the rotating rod are vertically arranged and are non-coplanar with each other, and the linear air cylinder drives the rotating rod to rotate. Each rotating rod is assembled with two bearing seats, and the radial protrusion is located between the two bearing seats of the rotating rod. The two rotating rods are synchronously rotated, the rotating directions of the two rotating rods are opposite, and the rotating angle range of the rotating rod is less than 180 degrees.
4. The case unpinning mechanism according to claim 3, characterized in that: The baffle leaf comprises a horizontal piece and an outer curved piece which are at an obtuse angle, the same end of the horizontal piece and the outer curved piece is provided with a hook, and the hook of each of the horizontal piece and the outer curved piece forms a gap.
5. The case unpinning mechanism according to claim 4, characterized in that: The baffle leaf is movably assembled with the transverse guide groove through a butterfly bolt.
6. The case unpinning mechanism of claim 1, wherein: The application also relates to a roller line for conveying the box, which comprises a plurality of rollers arranged in gaps, the roller line is capable of conveying the box, and the rotating rod is located above the roller line.
7. The box unscrambling mechanism of claim 1, wherein: Two side stop strips and two side push plates are arranged on the two sides of the roller line, the side push plate has a horizontal translation freedom degree, the movement direction of the side push plate is perpendicular to the conveying direction of the roller line, the roller line is also provided with two lifting plates, the lifting plates pass through the gaps between the adjacent rollers when the lifting plates are lifted, and the side stop strips, the side push plates and the lifting plates are capable of contacting the outer wall of the box.
8. The box unscrambling mechanism of claim 3, wherein: 9. An automated assembly line comprising a case propping mechanism as claimed in any one of claims 1 to 8, characterized in that, 10. The automated assembly line of claim 9, wherein: