CN221070348U - Wrapping paper stretching device - Google Patents

Abstract

The utility model relates to the technical field of a packaging paper pulling device, in particular to a packaging paper stretching device which comprises a frame and a packaging paper roll rotatably connected to the frame, wherein a plurality of groups of supporting mechanisms are arranged on the frame, a rotating shaft for supporting the packaging paper roll is rotatably connected to each group of supporting mechanisms, each supporting mechanism comprises two groups of roller assemblies respectively positioned on two side edges of the frame, each roller assembly comprises two adjacent rollers, each roller is rotatably connected to the frame, a gap is reserved between the two rollers, the gap between the two rollers is smaller than the diameter of each roller, and universal wheels are arranged at the bottom of the frame. The two rollers in the roller assemblies support the rotating shaft, so that the efficiency of changing the packaging paper rolls can be conveniently improved, the roller assemblies are symmetrically arranged in a plurality of groups respectively, a plurality of rolls of packaging paper can be installed on the frame simultaneously, the construction efficiency is improved, and the universal wheels at the bottom of the frame enable the stretching device to be required to be moved to different places, so that the maneuverability of the stretching frame is improved.

Description

Wrapping paper stretching device

Technical Field

The utility model relates to the technical field of a packaging paper pulling device, in particular to a packaging paper stretching device.

Background

When aluminum profiles are produced, in order to avoid collision of aluminum profiles in the transportation process or mutual friction between adjacent aluminum profiles, the appearance quality of the aluminum profiles is affected, wrapping paper is required to be wrapped on the outer sides of the aluminum profiles, the aluminum profiles are protected, the wrapping paper is required to be stretched from a wrapping paper roll in the aluminum profile packaging process, the wrapping paper is stretched at present mainly as disclosed in the utility model 201921854703.5, the wrapping paper roll is sleeved on a supporting shaft, the supporting shaft is rotationally connected to a supporting seat, and then the wrapping paper is manually pulled to be stretched, but the stretching mode is low in efficiency, high in limitation and inconvenient to move.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the utility model provides a wrapping paper stretching device to solve present wrapping paper inefficiency in stretching process, just be inconvenient for the problem of removal.

The technical scheme adopted by the utility model is as follows: the utility model provides a wrapping paper stretching device, is in including frame and rotation connection the packing scroll on the frame, be provided with a plurality of groups supporting mechanism on the frame, every group the last rotation axis that is used for supporting the packing scroll that rotates of supporting mechanism is connected with, supporting mechanism is including being located two sets of roller components on frame both sides edge respectively, roller component includes two adjacent gyro wheels, the gyro wheel rotates to be connected on the frame, two leave the clearance between the gyro wheel, and between two gyro wheels the clearance is less than the gyro wheel diameter, the universal wheel is installed to the bottom of frame.

After adopting above structure, have following beneficial effect:

1. The two rollers in the roller assembly support the rotating shaft, the gap between the two rollers can increase the stability of supporting the rotating shaft, so that the rotating shaft can be kept in a stable rotating state, and can be taken down conveniently, and the efficiency of changing the packaging paper roll is improved.

2. The roller assemblies are symmetrically arranged in a plurality of groups respectively, so that a plurality of rolls of wrapping paper can be installed on the frame simultaneously, and then the wrapping paper is pulled out simultaneously after being stacked together, so that the stretching work is performed on the wrapping paper simultaneously, and the construction efficiency is greatly improved.

3. The universal wheels at the bottom of the frame enable the stretching device to be moved to different places, so that the mobility of the stretching device is greatly improved, and the stretching device is more convenient to use.

Preferably, the frame is also rotatably connected with a first guide roller for guiding the packaging paper.

The first guide roller can guide the wrapping paper pulled out from the stretching device and support the wrapping paper so as to ensure that the pulled wrapping paper can be leveled.

Preferably, one end of the frame, which is far away from the first guide roller, is further provided with a connecting mechanism, the connecting mechanism comprises a connecting plate rotatably connected to one side of the frame and a fixing boss positioned on the other side of the frame, and the connecting plate is provided with a groove for connecting with the fixing boss.

Placing two stretching devices face to face, through rotating the connecting plate in the connection structure, make its joint on the fixed boss of another bogie frame, just can fix two stretching devices together, further improved the packing scroll quantity that stretching device can stretch simultaneously to further improvement production efficiency.

Preferably, the rotating shaft is provided with a first limiting disc, the rotating shaft is also connected with a second limiting disc in a sliding manner, one side, away from the first limiting disc, of the second limiting disc is also provided with a fastening sleeve, and the fastening sleeve is connected with a fastening bolt through threads.

The first limiting disc and the second limiting disc are matched to fix the packaging paper roll on the rotating shaft, the offset of the left and right directions of the packaging paper roll in the stretching process is avoided, the pulled packaging paper is smoother and tidier, the second limiting disc is slidably connected to the rotating shaft, the second limiting disc can be taken out when the packaging paper roll is to be replaced, the second limiting disc is inserted and arranged on the rotating shaft and fixed when the packaging paper roll is replaced, the packaging paper roll can be conveniently replaced, and the packaging paper roll can be effectively fixed and limited, so that the stability of the packaging paper in the stretching process is improved.

Preferably, one side of the first limiting disc facing the second limiting disc is further provided with a first limiting boss, the first limiting boss is conical, one end diameter of the first limiting boss facing the second limiting disc is smaller than that of one end of the first limiting boss connected with the first limiting disc, one side of the second limiting disc facing the first limiting disc is further provided with a second limiting boss, the second limiting boss is conical, and one end diameter of the second limiting boss facing the first limiting disc is smaller than that of one end of the second limiting boss connected with the second limiting disc.

The diameter of one end of the first limiting boss and the diameter of the second limiting boss, which are opposite, are smaller than the diameter of the other end, so that the first limiting boss and the second limiting boss are conical, the first limiting boss and the second limiting boss are small in diameter, the section of the first limiting boss and the section of the second limiting boss are inserted into the through hole in the center of the packaging paper roll, the inclined side wall of the first limiting boss and the inclined side wall of the second limiting boss are abutted against the packaging paper roll, a stable supporting effect can be achieved, the paper roll is kept in a stable cylindrical structure, meanwhile, the first limiting disc and the second limiting disc are prevented from being directly contacted with the paper roll, the situation that the packaging paper is damaged due to friction between the packaging paper and the side wall of the packaging paper is guaranteed, and the packaging paper can be smooth and intact after being stretched.

Preferably, the rotating shaft is provided with a limiting groove, and the limiting groove is connected with the outer surface of the rotating shaft through an inclined plane.

The position between axis of rotation and the roller component is spacing to spacing recess, when the axis of rotation takes place the displacement at the rotation in-process, leads it through the slope, makes the axis of rotation get back to the normal position, can effectually prevent like this that the axis of rotation from taking place axial removal at the rotation in-process, has avoided the condition of axis of rotation off tracking to the wrapping paper can be stable by stretching.

Preferably, the frame is further connected with a cutting mechanism, the cutting mechanism is located on one side, away from the frame, of the first guide roller, the cutting mechanism comprises a cutting knife and a moving assembly used for driving the cutting knife to move, the moving assembly comprises a driving piece and a sliding block, the sliding block is connected to the frame in a sliding mode, and the driving piece is connected with the sliding block.

The cutting mechanism can be started manually when the length of the packaging paper is enough, and the cutting mechanism drives the cutting knife to move through the moving component so as to cut off the packaging paper, so that the step of manual cutting by workers is omitted, and the labor intensity of workers is reduced.

Preferably, the cutter is rotationally connected with the slider, and the cutter is connected with the slider through a first elastic component, a moving track for guiding the cutter is further arranged on the frame, the moving track comprises a travel-out track and a return track, the travel-out track is parallel to the return track, the travel-out track is connected with two ends of the return track, a vertical first baffle is further arranged between the travel-out track and the return track, and one side of the return track away from the travel-out track is an inclined plane.

Through such setting, at the in-process that the cutter moved from the start-up end to the terminal end, first baffle is spacing to the cutter at first, makes the cutter keep vertical state, cuts off the wrapping paper, and when the cutter moved to the terminal end, under the effect of first elastic component, the cutter was inclined towards the return track to support the cutter through the inclined plane of return track, and then make the knife tip hide in the return track, avoid the cutter to cause the influence to wrapping paper or staff at the return in-process.

Preferably, one end of the return rail is further provided with a guiding inclined plane for guiding the cutting knife to the going rail, one end of the first baffle, which faces the guiding inclined plane, is further rotationally connected with a second baffle, the second baffle is connected with the first baffle through a second elastic piece, and the other end of the second baffle is abutted to the side wall of the going rail.

When the cutter returns to the start end along the return track, the cutter can return to the return track along the guide inclined plane, the second baffle is pushed to rotate in the process of the cutter moving, so that the return track is communicated with the return track, and after the cutter returns to the return track, the second baffle is reset under the elastic action of the second elastic piece, so that the cutter is prevented from directly entering the return track in the next cutting action, and the cutting operation can be ensured to be stably performed.

Preferably, a second guide roller is further arranged on one side, away from the frame, of the first guide roller, and the cutting mechanism is located between the first guide roller and the second guide roller.

The second guide roller can guide the packaging paper, and meanwhile, the cutting mechanism can be hidden between the first guide roller and the second guide roller, so that workers are prevented from being scratched by the cutting mechanism, and the safety performance of the packaging paper is improved.

Drawings

Fig. 1 is a schematic perspective view of a wrapping paper stretching device according to the present utility model.

Fig. 2 is a schematic front view of a package stretching device according to the present utility model.

FIG. 3 is a schematic view of a partial cross-sectional structure of the region "A-A" in FIG. 2.

Fig. 4 is a schematic perspective view of a wrapping paper stretching apparatus of the present utility model in embodiment 2.

Fig. 5 is a schematic perspective view of a wrapping paper stretching apparatus of the present utility model in embodiment 3.

Fig. 6 is a schematic view showing a sectional front view of a package stretching apparatus according to the present utility model in embodiment 3.

Fig. 7 is a schematic view of a partial sectional structure of the region "B-B" in fig. 6.

Fig. 8 is a schematic front view of the cleaning rack in embodiment 3 in a wrapping paper stretching apparatus of the present utility model.

The frame 10, the universal wheel 11, the first guide roller 12, the second guide roller 13, the packaging paper roll 20, the rotating shaft 30, the first limiting disc 31, the second limiting disc 32, the first limiting boss 33, the second limiting boss 34, the fastening sleeve 35, the fastening bolt 36, the limiting groove 37, the roller assembly 40, the connecting mechanism 50, the connecting plate 51, the fixing boss 52, the cutting mechanism 60, the cutting knife 61, the sliding block 62, the going track 63, the return track 64, the first baffle 65, the second baffle 66 and the guide inclined plane 67.

Detailed Description

The utility model is further described below with reference to the drawings and the detailed description.

Example 1

According to the description, as shown in fig. 1-3, the utility model provides a package paper stretching device, which comprises a frame 10 with universal wheels 11 installed at the bottom, a package paper roll 20 and a rotating shaft 30 for supporting the package paper roll 20, in this embodiment, the universal wheels 11 are universal wheels 11 with brakes, the package paper roll 20 is inserted on the rotating shaft 30 and is rotationally connected to the frame 10 through the rotating shaft 30, three groups of supporting mechanisms are uniformly arranged on the frame 10, each group of supporting mechanisms comprises two groups of roller assemblies 40 respectively positioned on two sides of the frame 10, wherein each group of roller assemblies 40 comprises two rollers which are arranged in parallel and a bearing seat fixedly installed on the frame 10, the rollers are rotationally connected with the bearing seat, a gap is reserved between the two rollers, the gap between the two rollers is smaller than the diameter of the rotating shaft 30, and the rotating shaft 30 is positioned between the two rollers, so that two ends of the rotating shaft 30 are rotationally connected with the frame 10 through one group of roller assemblies 40 respectively; a first guide roller 12 is rotatably connected to one end of the frame 10, and the first guide roller 12 is higher than the installation height of the rotation shaft 30.

The rotating shaft 30 is respectively provided with a first limiting disc 31 and a second limiting disc 32, wherein the first limiting disc 31 is fixedly connected to the rotating shaft 30 in a welding mode, the second limiting disc 32 is sleeved on the rotating shaft 30, the right side of the first limiting disc 31, namely, one side of the first limiting disc 31 facing the second limiting disc 32 is fixedly connected with a first limiting boss 33, one end diameter of a joint of the first limiting boss 33 and the first limiting disc 31 is larger than the other end diameter, the first limiting boss 33 is conical, the left side of the second limiting disc 32, namely, one side facing the first limiting disc 31, is fixedly connected with a second limiting boss 34, one section of the second limiting boss 34, which is in contact with the second limiting disc 32, is larger than the other end diameter, the second limiting boss 34 is conical, one side of the second limiting disc 32, which is far away from the second limiting boss 34, is also provided with a fastening sleeve 35, a fastening hole used for fastening is further formed in the fastening sleeve 35, and a fastening nut is welded on the fastening hole, so that the fastening nut can be screwed into the rotating shaft 30 by fastening the fastening nut by screwing the fastening nut into the fastening sleeve 35.

In this embodiment, two limiting grooves 37 are further formed in the rotating shaft 30, the limiting grooves 37 are located at positions, abutted against the roller assemblies 40, of the rotating shaft 30, the limiting grooves 37 are connected with the outer surface of the rotating shaft 30 through inclined planes, the rotating shaft 30 can be guided through the limiting grooves 37, when the rotating shaft 30 moves axially in the rotating process, the rotating shaft 30 can be aligned through the inclined planes, and therefore pulled packaging paper can be kept in a stable and tidy state.

When a large amount of wrapping paper needs to be unfolded, the wrapping paper roll 20 is sleeved on the rotating shaft 30, one end of the wrapping paper roll 20 is abutted against the first limiting boss 33, the second limiting disc 32 is sleeved on the rotating shaft 30, the second limiting boss 34 is abutted against the other end of the wrapping paper roll 20, the second limiting disc 32 is locked, the wrapping paper roll 20 is fixed on the rotating shaft 30, then the rotating shaft 30 fixed with the wrapping paper roll 20 is lifted, two ends of the rotating shaft 30 are respectively placed on the roller assemblies 40 on two sides of the frame 10, and after the three groups of rotating shafts 30 are installed, the wrapping paper on the three wrapping paper rolls 20 can be unfolded together by pulling the wrapping paper rolls along the first guide roller 12, so that the wrapping paper roll is convenient to take.

Example 2

The difference between this embodiment and embodiment 1 is that, as shown in fig. 4 of the specification, the present embodiment is described.

A connecting mechanism 50 is further disposed at an end of the frame 10 away from the first guide roller 12, wherein the connecting mechanism 50 includes a connecting plate 51 rotatably connected to one side of the frame 10 and a fixing boss 52 disposed at the other side of the frame 10, a groove for connecting with the fixing boss 52 is formed in the connecting plate 51, in this embodiment, three connecting plates 51 are disposed on the left side of the frame 10, and three fixing bosses 52 are disposed on the right side of the frame 10.

The working principle is that when the tail ends of the two frames 10, namely the sections provided with the connecting mechanisms 50 are oppositely arranged, the connecting plates 51 are rotated, so that one end of each connecting plate 51 provided with a groove is connected with the fixing boss 52 on the other frame 10, and the two wrapping paper stretching devices are combined into one wrapping paper stretching device, so that the number of wrapping paper rolls 20 which can be simultaneously supported by the wrapping paper stretching devices can be further improved, and the production efficiency is further improved.

Example 3

According to the description of fig. 5-8, the difference between the present embodiment and embodiment 1 is that a cutting mechanism 60 is further installed on the frame 10, the cutting mechanism 60 is located on one side of the first guide roller 12 away from the frame 10, wherein the cutting mechanism 60 includes a cutting knife 61 and a moving component for driving the cutting knife 61 to move, in the present embodiment, the moving component includes a chute provided on the frame 10, a sliding block 62 slidingly connected in the chute, and a driving member for driving the sliding block 62 to move, wherein the driving member adopts a motor and a synchronous belt, and the driving member can be started in a remote control manner; the cutter 61 is rotatably connected to the upper surface of the slider 62, and a first elastic member is provided between the cutter 61 and the slider 62, wherein the first elastic member is a torsion spring, a moving rail for guiding the cutter 61 is further provided on the frame 10, the moving rail includes a travel rail 63 and a return rail 64 which are arranged in parallel with each other, the travel rail 63 is communicated with two ends of the return rail 64, a fixed first baffle 65 is provided between the travel rail 63 and the return rail 64, two sides of the travel rail 63 are vertical, and one side of the return rail 64 away from the travel rail 63 is inclined, so that when the cutter 61 enters the return rail 64 from the travel rail 63, the cutter tip can be stuck on the side of the return rail 64 in an inclined state, thereby lowering the cutter tip height and preventing the cutter tip from scratching the packaging paper or an operator.

In this embodiment, the initial position of the cutter 61 is the start end, the end far away from the start end is the end of the end, a guiding inclined plane 67 is further provided at the end of the return path near the start end, two ends of the guiding inclined plane 67 are respectively connected with the return path and the forward path 63, and the cutter 61 can move along the guiding inclined plane 67 during return through the guiding inclined plane 67, so that the cutter 61 returns to the forward path 63 from the return path again; meanwhile, a second baffle plate 66 is rotatably connected to one end of the first baffle plate 65, which faces the starting end, a second elastic piece, which is also a torsion spring, is arranged between the second baffle plate 66 and the first baffle plate 65, the end of the second baffle plate 66 is abutted against the guide inclined surface 67 of the return track 64 through the second elastic piece, when the cut-off knife 61 moves from the return track 64 to the return track 63 through the arrangement, the second baffle plate 66 can be pushed away, and after the cut-off knife 61 is completely reset, the second baffle plate 66 can be reset under the action of the second elastic piece, so that the cut-off knife 61 can act next time.

The second guide roller 13 is also rotatably connected to one side of the first guide roller 12 far away from the frame 10, and the cutting mechanism 60 is located between the first guide roller 12 and the second guide roller 13, so that the cutting mechanism 60 can be separated from the outside through the first guide roller 12 and the second guide roller 13, the risk of the cutting mechanism 60 to workers is reduced, and the safety performance is improved.

The working principle of the paper cutting device is that when the packaging paper is stretched to a required length, the driving piece is started, the cutting knife 61 is driven to move from the starting end to the finishing end through the sliding block 62, at the moment, the cutting knife 61 is vertically arranged, the knife tip is higher than the packaging paper in height, the packaging paper can be cut off, when the cutting knife 61 moves to the finishing end, under the action of the first elastic piece, the cutting knife 61 inclines towards the return track 64 and enters the return track 64, and then the driving piece drives the cutting knife 61 to move towards the starting end in the return track 64, when the cutting knife 61 moves to the guide inclined plane 67, the cutting knife moves towards the delivery track 63 along the guide inclined plane 67, meanwhile, the second baffle 66 is pushed to enter the delivery track 63, and after the cutting knife 61 completely enters the delivery track 63, the second baffle 66 is reset and is abutted against the guide inclined plane 67, so that the cutting knife 61 can be guided when the cutting is carried out subsequently, and the packaging paper can be cut off smoothly.

Directional terms, such as "upper", "lower", "left", "right", etc., in the present utility model are merely for better, more clearly explaining and understanding the present utility model, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing description of the preferred embodiments of the present utility model is provided for illustration and is not to be construed as limiting the claims. The present utility model is not limited to the above embodiments, and the specific structure thereof is allowed to be changed, and all changes made within the scope of the utility model as independently claimed are within the scope of the utility model.

Claims (10)

1. The utility model provides a wrapping paper stretching device, is in including frame and rotation connection wrapping paper scroll on the frame, its characterized in that, be provided with a plurality of groups supporting mechanism on the frame, every group the last rotation that is connected with of supporting mechanism is used for supporting the wrapping paper scroll, supporting mechanism is including being located two sets of roller assemblies on frame both sides edge respectively, roller assemblies includes two adjacent gyro wheels, the gyro wheel rotates to be connected on the frame, two leave the clearance between the gyro wheel, and be less than between two gyro wheels the clearance axis of rotation diameter, the universal wheel is installed to the bottom of frame.

2. A wrapper stretching device as claimed in claim 1, wherein the frame is further rotatably connected with a first guide roller for guiding the wrapper.

3. The wrapping paper stretching device according to claim 2, wherein a connecting mechanism is further arranged at one end of the frame away from the first guide roller, the connecting mechanism comprises a connecting plate rotatably connected to one side of the frame and a fixing boss located on the other side of the frame, and a groove used for being connected with the fixing boss is formed in the connecting plate.

4. The wrapping paper stretching device according to claim 1, wherein a first limiting disc is arranged on the rotating shaft, a second limiting disc is further connected to the rotating shaft in a sliding mode, a fastening sleeve is further arranged on one side, away from the first limiting disc, of the second limiting disc, and a fastening bolt is connected to the fastening sleeve through threads.

5. The wrapping paper stretching device according to claim 4, wherein a first limiting boss is further arranged on one side, facing the second limiting plate, of the first limiting plate, the first limiting boss is conical, the diameter of one end, facing the second limiting plate, of the first limiting boss is smaller than that of one end, connected with the first limiting plate, of the first limiting plate, a second limiting boss is further arranged on one side, facing the first limiting plate, of the second limiting plate, the second limiting boss is conical, and the diameter of one end, facing the first limiting plate, of the second limiting boss is smaller than that of one end, connected with the second limiting plate, of the second limiting boss.

6. The wrapping paper stretching device according to claim 4, wherein a limiting groove is formed in the rotating shaft, and the limiting groove is connected with the outer surface of the rotating shaft through an inclined plane.

7. The wrapping paper stretching device according to claim 2, wherein the frame is further connected with a cutting mechanism, the cutting mechanism is located on one side, away from the frame, of the first guide roller, the cutting mechanism comprises a cutting knife and a moving assembly for driving the cutting knife to move, the moving assembly comprises a driving piece and a sliding block connected to the frame in a sliding mode, and the driving piece is connected with the sliding block.

8. The wrapping paper stretching device according to claim 7, wherein the cutting knife is rotatably connected with the sliding block, the cutting knife is connected with the sliding block through a first elastic piece, a moving track for guiding the cutting knife is further arranged on the frame, the moving track comprises a going track and a return track, the going track is arranged in parallel with the return track, the going track is connected with two ends of the return track, a vertical first baffle is further arranged between the going track and the return track, and one side, far away from the going track, of the return track is an inclined plane.

9. The wrapping paper stretching device according to claim 8, wherein one end of the return rail is further provided with a guiding inclined plane for guiding the cutting knife to the going rail, one end of the first baffle, which faces the guiding inclined plane, is further rotatably connected with a second baffle, the second baffle is connected with the first baffle through a second elastic piece, and the other end of the second baffle is abutted against the side wall of the going rail.

10. The wrapping paper stretching device according to claim 9, wherein a second guide roller is further arranged on a side of the first guide roller away from the frame, and the cutting mechanism is located between the first guide roller and the second guide roller.