Packaging device for modified cement boards

Abstract

The utility model provides a packing device for modified cement boards. The packing device comprises a roller conveyor, a rack, a heat shrinkage film winding drum, a hot cutting mechanism and a heating box. A gap is formed between two adjacent transmission rollers of the roller conveyor; the rack is mounted on the roller conveyor; the thermal shrinkage film winding drums are rotatably mounted on the rack, the thermal shrinkage film winding drums are arranged on the upper side and the lower side of the roller conveyor respectively, and one ends of thermal shrinkage films on the two thermal shrinkage film winding drums penetrate through the gap and are connected with each other; the hot cutting mechanism can cut off the heat shrinkage films and connect the two heat shrinkage films in a hot melting mode. The heating box is installed on the roller conveyor so as to heat the cut-off thermal shrinkage film. After being cut off by the hot cutting mechanism, the two ends of the hot melting film are also connected together in a hot melting mode to wrap the cement board; and the thermal shrinkage film is heated through the heating box, so that the thermal shrinkage film is attached to the surface of the cement board, the outer surface of the cement board can be effectively protected, and scratches on the cement board are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of modified cement board packaging, in particular to a packaging device for modified cement boards. Background Art

[0002] Cement board is a kind of building flat plate produced with cement as the main raw material. It can be used for indoor partitions, ceilings, floors, interior wall decoration, floor partitions, exterior wall panels, etc. Cement board is a kind of building product between gypsum board and stone, which can be freely cut, drilled and carved. There are prefabricated cement board and cast-in-place cement board. Prefabricated cement board is produced by fully automatic production line with high efficiency.

[0003] After cement boards are produced, they often need to be stacked and transported for the convenience of storage and transportation. However, during the stacking and transportation of cement boards, scratches often occur on the outer surface of the cement boards, which affects the appearance of the cement boards. Utility Model Content

[0004] In view of the above problems existing in the prior art, the technical problem to be solved by the utility model is that during the process of stacking and transporting cement boards, scratches often occur on the outer surface of the cement boards.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solution: a packaging device for modified cement board, comprising:

[0006] A roller conveyor, wherein a gap is provided between two adjacent transmission rollers of the roller conveyor;

[0007] A frame, wherein the frame is mounted on the roller conveyor;

[0008] A heat shrink film roll, the heat shrink film roll is rotatably mounted on the frame, and heat shrink film rolls are respectively provided on the upper and lower sides of the roller conveyor, and one end of the heat shrink film on the two heat shrink film rolls passes through the gap and is connected to each other;

[0009] A heat-cutting mechanism, which can cut the heat-shrinkable film and heat-melt-connect two heat-shrinkable films; and

[0010] A heating box is installed on the roller conveyor to heat the heat shrink film after cutting.

[0011] In the utility model, a cement board is placed on a roller conveyor so that the roller conveyor conveys the cement board to the heat shrink film, the cement board abuts against the heat shrink film, pushes the heat shrink film reel to rotate, and presses the lower heat shrink film under the cement board, and the upper heat shrink film is laid on the upper part of the heat shrink film; after laying, all the cement boards are moved to the side of the heat cutting mechanism close to the heating box, and then the heat cutting mechanism is controlled to operate, the heat cutting mechanism cuts off the two heat shrink films, and re-connects one end of the two heat shrink films by hot melting; at the same time, the two ends of the hot melt film after cutting are also hot melted together to wrap the cement board; then the roller conveyor is controlled to transport the cement board and the cut heat shrink film to the heating box, the heat shrink film is heated by the heating box, so that the heat shrink film is attached to the surface of the cement board, thereby effectively protecting the outer surface of the cement board and reducing scratches on the cement board.

[0012] Preferably, the heat cutting mechanism comprises: a plate, a heat cutting knife and a driving assembly; the plate is mounted on a roller conveyor, the plate is located in the gap at the heat shrink film, and the upper end surface of the plate is in the same plane as the working surface of the roller conveyor; the driving assembly can drive the heat cutting knife to move toward the plate. When the cement board is completely moved to the side of the heat cutting mechanism close to the heating box, the driving assembly is controlled to move, and the driving assembly drives the heat cutting knife to move toward the plate, so as to cut the two layers of heat shrink film between the heat cutting knife and the plate, and the two ends of the two layers of heat shrink film are connected together by heat melting under the action of the heat of the heat cutting knife.

[0013] Preferably, the driving assembly includes: a guide rod, a screw rod, a nut seat and a motor; the guide rod is fixed on the frame, and the guide rod and the back plate are arranged perpendicular to each other; the screw rod is rotatably installed on the frame, and the screw rod and the guide rod are arranged parallel to each other; the nut seat is installed on the screw rod, one end of the hot cutter is fixedly installed on the nut seat, and the other end of the hot cutter is slidably installed on the guide rod; the motor can drive the screw rod to rotate. The motor drives the screw rod to rotate, and the screw rod drives the nut seat to move in the length direction of the screw rod, thereby driving the hot cutter to move toward the back plate to achieve cutting of the heat shrink film.

[0014] Preferably, the driving assembly drives the hot cutter to move toward the abutment plate through a buffer mechanism, and the buffer mechanism includes: a mounting plate, a connecting rod, a limit block and a return spring; a cavity is provided in the hot cutter, and the limit block is slidably mounted in the cavity; one end of the connecting rod slides and extends into the screw rod and is fixedly connected to the limit block, and the other end of the connecting rod is fixedly connected to the mounting plate; the return spring is arranged in the cavity, and the return spring applies a thrust toward the connecting rod to the limit block. When the hot cutter abuts against the abutment plate, the mounting plate pushes the limit block to slide in the cavity through the connecting rod, thereby compressing the return spring, thereby increasing the contact time between the hot cutter and the heat shrink film, thereby being able to further increase the probability of hot-melt connection of the two heat shrink films.

[0015] Preferably, it also includes guide rollers, two of which are rotatably mounted on the frame and located at the upper and lower sides of the gap, so that the heat shrink film can be guided by the guide rollers to facilitate contact with the cement board, thereby better packaging the cement board.

[0016] Preferably, the heat shrink film roll is installed on the frame through a connecting mechanism, and the connecting mechanism includes: a plug rod, a connecting ear and a nut; the two connecting ears are fixedly installed on the frame, the plug rod slides through the two connecting ears, and both ends of the plug rod are threadedly connected with nuts. The plug rod is inserted between the heat shrink film roll and the two connecting ears, so that the heat shrink film roll is located between the two connecting ears, and then the nuts are respectively installed on both ends of the plug rod to fix the plug rod, so that the heat shrink film roll can be easily replaced.

[0017] Compared with the prior art, the utility model has at least the following advantages:

[0018] 1. In the utility model, a cement board is placed on a roller conveyor, so that the roller conveyor conveys the cement board to the heat shrink film, the cement board abuts against the heat shrink film, pushes the heat shrink film reel to rotate, and presses the lower heat shrink film under the cement board, and the upper heat shrink film is laid on the upper part of the heat shrink film; after the laying is completed, all the cement boards are moved to the side of the heat cutting mechanism close to the heating box, and then the heat cutting mechanism is controlled to operate, the hot cutting mechanism cuts off the two heat shrink films, and re-connects one end of the two heat shrink films by hot melting; at the same time, the two ends of the hot melt film after cutting are also hot melted together to wrap the cement board; then the roller conveyor is controlled to transport the cement board and the cut heat shrink film to the heating box, and the heat shrink film is heated by the heating box, so that the heat shrink film is attached to the surface of the cement board, thereby effectively protecting the outer surface of the cement board and reducing scratches on the cement board.

[0019] 2. In the utility model, the driving assembly drives the mounting plate to move, and the mounting plate drives the hot cutting knife to move toward the abutment plate. When the hot cutting knife abuts the abutment plate, the mounting plate pushes the limit block to slide in the cavity through the connecting rod, thereby compressing the return spring, thereby increasing the contact time between the hot cutting knife and the heat shrink film, thereby being able to further improve the probability of hot-melt connection of the two heat shrink films.

[0020] 3. In the utility model, the plug-in rod is inserted between the heat shrink film roll and the two connecting ears, so that the heat shrink film roll is located between the two connecting ears, and then nuts are respectively installed on both ends of the plug-in rod to fix the plug-in rod, so that the heat shrink film roll can be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation of the utility model, the following will briefly introduce the drawings required for use in the specific implementation. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0022] Figure 1 A three-dimensional diagram of a packaging device for a modified cement board provided in an embodiment of the utility model.

[0023] Figure 2 This is a front view of a packaging device for a modified cement board provided in an embodiment of the utility model.

[0024] Figure 3 This is a schematic diagram of the structure of the buffer mechanism provided in the embodiment of the utility model.

[0025] Figure 4 This is a schematic diagram of the structure of the connecting mechanism provided in the embodiment of the utility model.

[0026] Figure markings: 1-roller conveyor, 11-drive roller, 12-gap, 2-frame, 3-heat shrink film reel, 4-hot cutting mechanism, 41-resist plate, 42-hot cutting knife, 43-guide rod, 44-screw rod, 45-nut seat, 5-heating box, 6-buffer mechanism, 61-mounting plate, 62-connecting rod, 63-limiting block, 64-reset spring, 65-cavity, 7-guide roller, 8-connecting mechanism, 81-plug-in rod, 82-connecting ear, 83-nut. DETAILED DESCRIPTION

[0027] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0028] In the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] See also Figure 1-Figure 2 The utility model provides an embodiment: a packaging device for modified cement board, comprising: a roller conveyor 1, a frame 2, a heat shrink film reel 3, a hot cutting mechanism 4 and a heating box 5, a gap 12 is provided between two adjacent driving rollers 11 of the roller conveyor 1; the frame 2 is installed on the roller conveyor 1; the heat shrink film reel 3 is rotatably installed on the frame 2, and the roller conveyor 1 is respectively provided with heat shrink film reels 3 on the upper and lower sides, and one end of the heat shrink film on the two heat shrink film reels 3 passes through the gap 12 and is connected to each other; the hot cutting mechanism 4 can cut the heat shrink film and hot-melt connect the two heat shrink films; the heating box 5 is installed on the roller conveyor 1 to heat the heat shrink film after cutting.

[0031] During the specific implementation, the cement board is placed on the roller conveyor 1, so that the roller conveyor 1 conveys the cement board to the heat shrink film, the cement board abuts against the heat shrink film, pushes the heat shrink film reel 3 to rotate, and presses the lower heat shrink film under the cement board, and the upper heat shrink film is laid on the upper part of the heat shrink film; after the laying is completed, the cement boards are all moved to the side of the heat cutting mechanism 4 close to the heating box 5, and then the heat cutting mechanism 4 is controlled to operate, the hot cutting mechanism 4 cuts off the two heat shrink films, and re-melts one end of the two heat shrink films; at the same time, the two ends of the hot melt film after cutting are also hot-melt connected together to wrap the cement board; then the roller conveyor 1 is controlled to transport the cement board and the cut heat shrink film to the heating box 5, and the heat shrink film is heated by the heating box 5 so that the heat shrink film is attached to the surface of the cement board, thereby effectively protecting the outer surface of the cement board and reducing scratches on the cement board; specifically, in order to improve the packaging efficiency of the cement board, multiple cement boards can be stacked and then packaged.

[0032] See also Figure 1-Figure 3 In other embodiments, the heat cutting mechanism 4 includes: a plate 41, a heat cutting knife 42 and a driving assembly; the plate 41 is installed on the roller conveyor 1, the plate 41 is located in the gap 12 at the heat shrink film, and the upper end surface of the plate 41 is on the same plane as the working surface of the roller conveyor 1; the driving assembly can drive the heat cutting knife 42 to move toward the plate 41. In specific implementation, when all cement boards are moved to the side of the heat cutting mechanism 4 close to the heating box 5, the driving assembly is controlled to move, and the driving assembly drives the heat cutting knife 42 to move toward the plate 41, so as to cut the two layers of heat shrink film between the heat cutting knife 42 and the plate 41, and make the two ends of the two layers of heat shrink film be hot-melted together under the action of the heat of the heat cutting knife 42.

[0033] See also Figure 1-Figure 3 In other embodiments, the driving assembly includes: a guide rod 43, a screw rod 44, a nut seat 45 and a motor; the guide rod 43 is fixed on the frame 2, and the guide rod 43 and the abutment plate 41 are arranged perpendicular to each other; the screw rod 44 is rotatably installed on the frame 2, and the screw rod 44 and the guide rod 43 are arranged parallel to each other; the nut seat 45 is installed on the screw rod 44, one end of the hot cutter 42 is fixedly installed on the nut seat 45, and the other end of the hot cutter 42 is slidably installed on the guide rod 43; specifically, the guide rod 43 slides through the hot cutter 42; the motor can drive the screw rod 44 to rotate. In specific implementation, the motor is actuated, the motor drives the screw rod 44 to rotate, and the screw rod 44 drives the nut seat 45 to move in the length direction of the screw rod 44, thereby driving the hot cutter 42 to move toward the abutment plate 41 to achieve cutting of the heat shrink film.

[0034] See also Figure 1-Figure 3In other embodiments, the driving assembly drives the hot cutter 42 to move toward the abutment plate 41 through the buffer mechanism 6, and the buffer mechanism 6 includes: a mounting plate 61, a connecting rod 62, a limit block 63 and a return spring 64; a cavity 65 is provided in the hot cutter 42, and the limit block 63 is slidably installed in the cavity 65; one end of the connecting rod 62 slides and extends into the screw rod 44 and is fixedly connected to the limit block 63, and the other end of the connecting rod 62 is fixedly connected to the mounting plate 61; the return spring 64 is arranged in the cavity 65, and the return spring 64 applies a thrust toward the connecting rod 62 to the limit block 63. During specific implementation, the driving component is actuated, the driving component drives the mounting plate 61 to move, and the mounting plate 61 drives the hot cutting knife 42 to move toward the abutting plate 41. When the hot cutting knife 42 abuts against the abutting plate 41, the mounting plate 61 pushes the limit block 63 to slide in the cavity 65 through the connecting rod 62, thereby compressing the return spring 64, thereby increasing the contact time between the hot cutting knife 42 and the heat shrink film, thereby being able to further increase the probability of hot-melt connection of the two heat shrink films.

[0035] See also Figure 1-Figure 2 In other embodiments, guide rollers 7 are further included. Two guide rollers 7 are rotatably mounted on the frame 2 and are located at the upper and lower sides of the gap 12. In specific implementation, the planes where the two guide rollers 7 are located are perpendicular to the working surface of the roller conveyor 1. Through the arrangement of the two guide rollers 7, one end of the heat shrink film on the heat shrink film roll 3 on the same side passes around the guide rollers 7 and then is connected to each other, so that the heat shrink film can be guided by the guide rollers 7 to facilitate contact with the cement board, thereby better packaging the cement board.

[0036] See also Figure 1-Figure 4 In another embodiment, the heat shrink film roll 3 is installed on the frame 2 through a connecting mechanism 8, and the connecting mechanism 8 includes: a plug rod 81, a connecting ear 82 and a nut 83; the two connecting ears 82 are fixedly installed on the frame 2, the plug rod 81 slides through the two connecting ears 82, and the two ends of the plug rod 81 are threadedly connected with nuts 83. In specific implementation, the plug rod 81 is inserted between the heat shrink film roll 3 and the two connecting ears 82, so that the heat shrink film roll is located between the two connecting ears 82, and then the nuts 83 are respectively installed at the two ends of the plug rod 81 to fix the plug rod 81, so that the heat shrink film roll 3 can be easily replaced; when the heat shrink film roll 3 needs to be replaced, the heat shrink film roll 3 can be replaced by simply unscrewing the nut 83.

[0037] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A packaging device for modified cement board, characterized in that: include: A roller conveyor, wherein a gap is provided between two adjacent transmission rollers of the roller conveyor; A frame, wherein the frame is mounted on the roller conveyor; A heat shrink film roll, the heat shrink film roll is rotatably mounted on the frame, and heat shrink film rolls are respectively provided on the upper and lower sides of the roller conveyor, and one end of the heat shrink film on the two heat shrink film rolls passes through the gap and is connected to each other; A heat-cutting mechanism that can cut the heat shrink film and heat-melt the two heat shrink films together; and A heating box is installed on the roller conveyor to heat the heat shrink film after cutting.

2. A packaging device for modified cement board according to claim 1, characterized in that: The hot cutting mechanism includes: a resistance plate, a hot cutting knife and a driving assembly; the resistance plate is installed on the roller conveyor, the resistance plate is located in the gap at the heat shrink film, and the upper end surface of the resistance plate is on the same plane as the working surface of the roller conveyor; the driving assembly can drive the hot cutting knife to move toward the resistance plate.

3. The packaging device for modified cement board according to claim 2, characterized in that: The driving assembly includes: a guide rod, a screw rod, a nut seat and a motor; the guide rod is fixed on the frame, and the guide rod and the back plate are arranged perpendicular to each other; the screw rod is rotatably installed on the frame, and the screw rod and the guide rod are arranged parallel to each other; the nut seat is installed on the screw rod, one end of the hot cutter is fixedly installed on the nut seat, and the other end of the hot cutter is slidably installed on the guide rod; the motor can drive the screw rod to rotate.

4. The packaging device for modified cement board according to claim 2, characterized in that: The driving assembly drives the hot cutter to move toward the abutment plate through a buffer mechanism, and the buffer mechanism includes: a mounting plate, a connecting rod, a limit block and a return spring; a cavity is provided in the hot cutter, and the limit block is slidably installed in the cavity; one end of the connecting rod slides and extends into the screw rod and is fixedly connected to the limit block, and the other end of the connecting rod is fixedly connected to the mounting plate; the return spring is arranged in the cavity, and the return spring applies a thrust toward the connecting rod to the limit block.

5. The packaging device for modified cement board according to claim 1, characterized in that: It also includes guide rollers, two of which are rotatably mounted on the frame and are located at the upper and lower sides of the gap.

6. The packaging device for modified cement board according to claim 1, characterized in that: The heat shrink film roll is installed on the frame through a connecting mechanism, which includes: a plug rod, a connecting ear and a nut; the two connecting ears are fixedly installed on the frame, the plug rod slides through the two connecting ears, and both ends of the plug rod are threadedly connected with nuts.

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