CN114313432A - Feeding mechanism for three-dimensional film packaging machine - Google Patents

Abstract

The invention provides a feeding mechanism for a three-dimensional film packaging machine, which comprises a turning and turning device and a grading material supplementing device, wherein the turning and turning device rotates an object to be packaged from the horizontal direction and the vertical direction in sequence, and the grading material supplementing device is used for continuously feeding in groups; the grading material supplementing device is arranged at the discharging position of the turning over device. According to the feeding mechanism of the three-dimensional film packaging machine, the traditional conveying mechanism is improved, the feeding speed is increased, the labor is saved, and the production efficiency is greatly improved.

Description

Feeding mechanism for three-dimensional film packaging machine

Technical Field

The invention relates to the technical field of packaging machines, in particular to a feeding mechanism for a three-dimensional film packaging machine.

Background

The three-dimensional film packaging machine is an auxiliary packaging device which is relatively universal in the product packaging field, the use of the three-dimensional film packaging machine is increasingly wide, along with the development of technology, the structure and the working performance of the three-dimensional film packaging machine are continuously improved and improved, and the functions are continuously improved.

Disclosure of Invention

The invention aims to improve the conveying mode of a feeding mechanism of a traditional three-dimensional film packaging machine, improve the production efficiency and save the cost.

According to one aspect of the invention, a feeding mechanism for a three-dimensional film packaging machine is provided, which comprises a turning device and a grading material supplementing device, wherein the turning device rotates an object to be packaged from the horizontal direction and the vertical direction in sequence, and the grading material supplementing device is used for feeding materials continuously in groups; the grading material supplementing device is arranged at the discharging position of the turning over device.

From this, this process need not manual operation, realizes the autogiration of article and the continuous feeding in groups, has saved the human cost, has improved feeding mechanism's stability and efficiency.

In some embodiments, the turning and turning device comprises a turning zone, a turning zone and an engagement transfer zone connecting the turning zone and the turning zone, thereby effecting turning and turning of the article to be packaged.

Furthermore, a first conveying belt and a second conveying belt are horizontally arranged in parallel in the turning area, and a rotating speed difference is arranged between the first conveying belt and the second conveying belt, so that the automatic turning of the articles to be packaged in the horizontal direction is realized through different conveying speeds of the two conveying belts.

Furthermore, the overturning area is provided with a buffer belt and an overturning plate, the overturning plate is vertically and parallelly arranged at the outlet of the buffer belt, the edge of the overturning plate is provided with an overturning bin, and the edge of the overturning bin is provided with a protective roller, so that the automatic rotation of the article to be packaged in the vertical direction is realized through the rotation of the overturning bin, and meanwhile, the protective roller also reduces the abrasion of the article to be packaged.

Furthermore, the two ends of the connecting and conveying area are provided with a plurality of rows of balls, and a conveying belt is arranged between the balls and used for transition conveying of the turning area and the overturning area.

In some embodiments, the grading feeding device comprises a feeding area and a grading area, the feeding area is arranged at the outlet of the turning-over device, the grading area is positioned at the left side of the outlet of the turning-over device, and the tail end of the grading area is provided with a grading baffle; the material supplementing area is positioned on the left side of the outlet of the turning-over device, and the material supplementing area and the grading area are arranged in parallel and closely, so that timely material supplementing is realized, and the possibility of grouped feeding is provided.

Further, a grading push plate is arranged on the right side of an outlet of the turning over device, and the grading push plate is parallel to the material supplementing area and the grading area; the feeding area comprises a feeding push plate, a relay push plate, a grouping push plate and a feeding push plate; the feeding push plate and the relay push plate are arranged above the feeding area, and the grouping push plate and the feeding push plate are arranged at the tail end of the feeding area; the to-be-packaged articles in the grading area are pushed to the material supplementing area by the grading push plate, then pushed to the relay push plate by the material supplementing push plate, then continuously pushed to the grouping push plate by the relay push plate, then pushed to group materials by the grouping push plate according to needs, and finally pushed to the auxiliary packaging device together with the three-dimensional film conveyed by the film feeding part by the feeding push plate

Therefore, the grading material supplementing device realizes multi-block packaging and continuous feeding in groups, and improves the conveying efficiency.

The feeding mechanism for the three-dimensional film packaging machine, which is provided by the invention, is different from the traditional feeding mechanism, has a simple structure, saves the labor cost of enterprises, and greatly improves the production efficiency.

Drawings

Fig. 1 is a schematic structural view of a feeding mechanism for a three-dimensional film wrapping machine according to the present invention applied to the three-dimensional film wrapping machine.

Fig. 2 is a schematic structural diagram of a turning over device of a feeding mechanism for a three-dimensional film packaging machine.

Fig. 3 is a partial structural schematic view of a turning area of a turning-over device of a feeding mechanism for a three-dimensional film wrapping machine according to the present invention.

FIG. 4 is a schematic structural diagram of a staged feeding device of a feeding mechanism for a three-dimensional film wrapping machine according to the present invention.

Fig. 5 is a front view of a film feeding mechanism and a package forming mechanism applied to a three-dimensional film packaging machine of a feeding mechanism for the three-dimensional film packaging machine of the present invention.

Fig. 6 is a schematic structural diagram of a film feeding mechanism applied to a three-dimensional film packaging machine of a feeding mechanism for the three-dimensional film packaging machine of the present invention.

Fig. 7 is a partial structural schematic view of a film feeding mechanism applied to a three-dimensional film wrapping machine of a feeding mechanism for a three-dimensional film wrapping machine of the present invention.

FIG. 8 is a schematic structural diagram of an auxiliary turntable applied to a three-dimensional film packaging machine of a feeding mechanism for the three-dimensional film packaging machine according to the present invention

Fig. 9 is a schematic structural view of a side heat sealing device applied to a three-dimensional film wrapping machine of a feeding mechanism for a three-dimensional film wrapping machine of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, and in order to better describe the feeding mechanism, the present embodiment will describe the feeding mechanism in conjunction with a three-dimensional film packaging machine.

The three-dimensional film packaging machine shown in fig. 1 comprises a feeding mechanism 1, a film feeding mechanism 2 and a packaging and forming mechanism 3: the feeding mechanism 1 sends the articles to be packaged into the packaging and forming mechanism 3, the film feeding mechanism 2 sends the three-dimensional film into the packaging and forming mechanism 3, and the packaging and forming mechanism 3 wraps the three-dimensional film outside the grouped articles and carries out heat sealing and shipment.

The feeding mechanism 1 comprises a turning-over device 11 and a grading material supplementing device 12, and the grading material supplementing device 12 is arranged at the discharging position of the turning-over device 11.

The turn-over device 11 shown in fig. 2 rotates the article to be packaged from the horizontal direction and the vertical direction one after the other. The turning over device 11 comprises a turning area 13, a turning area 14 and a connecting and conveying area 15, wherein the connecting and conveying area 15 is connected with the turning area 13 and the turning area 14:

the turning section 13 is provided with a first conveyor belt 131 and a second conveyor belt 132 horizontally arranged in parallel, and a rotation speed difference exists between the first conveyor belt 131 and the second conveyor belt 132. When the article to be packaged enters the area, the two ends of the article to be packaged form autorotation in the horizontal direction due to different transmission speed differences, the article to be packaged enters the joining transmission area 15 after rotating for 90 degrees, the two ends of the area are provided with a plurality of rows of balls 151, a transmission belt is arranged between the balls 151, the difference of different rotating speeds of the turning area 13 and the overturning area 14 is relieved, and the article is transmitted at the same time.

The inverting section 14 is provided with a buffer belt 141 and an inverting tray 142, and the buffer belt 141 stores the articles transferred from the splicing transfer section 15 without a gap so that the individual articles can be completely fed into the inverting tray 142 as a whole. As shown in fig. 3, the turning plate 142 is vertically and parallelly disposed at the outlet of the buffer belt 141, the edge of the turning plate 142 is provided with a groove 143, and the grooves 143 on the two turning plates 142 are correspondingly disposed to form a turning bin 145. The goods to be packaged enter the turning bin 145 from the buffer belt 141, and rotate in the vertical direction by the rotation of the turning disc 142, and fall right at the inlet of the grading material supplementing device 12 after rotating to 90 degrees. The corners of the groove 143 are provided with guard rollers 144 to reduce the wear of the articles to be packaged during rotation, and simultaneously, the transition function of allowing the articles to fall from the turning bin 145 onto the grading material supplementing device 12 is realized.

The staged feeding device 12 as shown in fig. 4 is used for continuous feeding of groups, comprising a staged zone 122 and a feeding zone 123: the grading area 122 is arranged at the outlet of the turning-over device 11, and the tail end of the grading area 122 is provided with a grading baffle 128 for blocking the articles conveyed by the conveying belt of the grading area 122; the supplementary feeding area 123 is positioned at the left side of the outlet of the turning-over device 11, and the supplementary feeding area 123 is closely arranged in parallel with the grading area 122.

A grading push plate 121 (shown in figure 1) is arranged on the right side of the outlet of the turning device 11, the grading push plate 121 is arranged in parallel with the material supplementing area 123 and the grading area 122, and the grading push plate 121 can push the articles on the grading area 122 to the material supplementing area 123.

The feeding zone 123 includes a feeding pusher 124, a relay pusher 125, a grouping pusher 126, and a feeding pusher 127.

The feeding push plate 124 and the relay push plate 125 are arranged above the feeding area 123 and share the same power device. The power device 16 is arranged in the middle of a frame of the grading material supplementing area 123, the frame is arranged in parallel with the grading area 122 and the material supplementing area 123, a first gear 17 and a second gear 18 are arranged at two ends of the frame, and a first transmission chain 171 is arranged to be meshed with the first gear 17 and connected with the power device 16; a second transmission chain 181 is provided in engagement with the second gear 18 and connected to the power unit 16. The first conveying chain 171 is provided with a first feeding connecting rod 172, a second feeding connecting rod 173 is arranged perpendicular to the first feeding connecting rod 172, a third feeding connecting rod 174 is arranged perpendicular to the second feeding connecting rod 173, the third feeding connecting rod 174 is in a perpendicular relation with the first feeding connecting rod 172 in space, and the tail end of the third feeding connecting rod 174 is provided with a feeding push plate 124. The second transmission chain 181 is provided with a first relay connecting rod 182, a second relay connecting rod 183 perpendicular to the first relay connecting rod 182, a third relay connecting rod 184 perpendicular to the second relay connecting rod 183, the third relay connecting rod 184 and the first relay connecting rod 183 are in a vertical relation in space, and the end of the third relay connecting rod 184 is provided with a relay push plate 125.

The grouping push plate 126 and the feeding push plate 127 are arranged at the tail end of the material supplementing area 123, the moving direction of the grouping push plate 126 is perpendicular to the moving direction of the relay push plate 125, and the moving direction of the feeding push plate 127 is consistent with the moving direction of the relay push plate 125.

After the articles to be packaged are turned over, the articles enter the conveyor belt of the grading area 122 firstly, when the articles are conveyed to be blocked by the grading baffle 128, the grading push plate 121 pushes the articles in the current grading area 122 to enter the material supplementing area 123, then the articles are pushed to the relay push plate 125 by the material supplementing push plate 124, then the relay push plate 125 continues to push the articles to the discharging position of the grading area 122, then the grouping push plate 126 pushes the articles according to the requirement, the articles to be packaged are automatically grouped, and finally the grouped articles and the three-dimensional film conveyed by the film conveying part 24 are pushed to the auxiliary packaging device 31 by the feeding push plate 127.

The film feeding mechanism 2 shown in fig. 6 comprises a detection part 21, a film drawing part 22, a film cutting part 23 and a film feeding part 24 which are arranged in sequence, wherein the film feeding part 24 is arranged at the discharging position of the feeding mechanism 1. A film roll device 25 (shown in fig. 1) is further included, and the film roll device 25 supplies the film feeding mechanism 2 with a three-dimensional film.

The detection unit 21 detects the mark on the three-dimensional film using the color mark sensor, and after the detection is completed, the three-dimensional film is fed downward by the transition wheel 231211.

The film drawing section 22 provides tension to the three-dimensional film while drawing the three-dimensional film to the film cutting section 23. As shown in fig. 7, the partial structure of the film feeding mechanism 2 is schematically illustrated, the film drawing member 22 includes a driving wheel 221, a driven wheel 222, an eccentric wheel 223 and a driven plate 225; the driven plate 225 is connected with the eccentric wheel 223 and the driven wheel 222, under the normal state, the driven wheel 222 is tightly attached to the driving wheel 221, the eccentric wheel 223 is tightly attached to the driven plate 225 in a short radius, and the three-dimensional film between the driving wheel 221 and the driven wheel 222 is driven to be conveyed to the film cutting part 23 by the rotation of the driving wheel 221 and the driven wheel 222.

The eccentric wheel 223 is provided with a manual lever 224 for controlling the distance between the driven wheel 222 and the driving wheel 221. When the eccentric wheel 223 rotates along with the manual lever 224, the radius gradually increases, the driven plate 225 is gradually pushed away, the driven wheel 222 accordingly follows the driven plate 225 to be away from the driving wheel 221, and the three-dimensional film clamped between the driving wheel 221 and the driven wheel 222 is loosened, so that the film is not pulled to the film cutting part 23.

The film cutting part 23 comprises a rotating wheel 231 and a fixed cutting knife 233, and the rotating wheel 231 and the fixed cutting knife 233 are arranged on two sides of the discharge position of the film drawing part 22; the rotary wheel 231 has a rotary wheel cutter 232, and the rotary wheel cutter 232 rotates with the rotary wheel 231 to collide with the fixed cutter 233, thereby cutting the three-dimensional film.

The film feeding part 24 is provided with two vacuum adsorption conveyor belts 242 which are arranged in parallel, a gap 241 is arranged between the two vacuum adsorption conveyor belts 242, and the size of the gap 241 allows the article to be packaged to pass through; the vacuum adsorption conveyor belt 242 is spatially perpendicular to the outlet direction of the feeding mechanism 1. The cut three-dimensional film is conveyed to the discharging position of the feeding mechanism 1 through the vacuum adsorption conveying belt 242, the object to be packaged is pushed into the three-dimensional film by the feeding push plate 127 in the feeding mechanism 1, and the three-dimensional film is pushed into the auxiliary packaging device 31 together with the half-packaged object.

The package forming mechanism 3 shown in fig. 5 includes an auxiliary packaging device 31, an upper heat-seal device 32 and a side heat-seal device 33, the auxiliary packaging device 31 receives the materials fed from the film feeding mechanism 2 and the feeding mechanism 1, the upper heat-seal device 32 is disposed above the auxiliary packaging device 31, and the auxiliary packaging device 31 feeds the semi-packaged articles heated by the upper heat-seal device 32 to the side heat-seal device 33

The auxiliary packing device 31 includes an auxiliary turntable 311 and a discharging push plate 312, the auxiliary turntable 311 is detachably connected to the machine, the discharging push plate 312 (shown in fig. 1) is disposed on the machine, and the moving direction is the same as the diameter direction of the auxiliary turntable 311. The auxiliary turntable 311 shown in fig. 8 has eight loading bins 313, each loading bin 313 has a rectangular parallelepiped space therein, and includes two parallel first side walls 317 and two parallel second side walls 318, the first side walls 317 are spatially parallel to the auxiliary turntable 311, and the first side walls 317 and the second side walls 318 are perpendicular to each other. The second side wall 318 is provided with an anti-flying roller 314, the root of the anti-flying roller 314 is provided with a torsion spring structure, the second side wall 318 is provided with a slot 315, the torsion spring structure enables the anti-flying roller 314 to press towards the slot 315, so that the material in the bin 313 is pressed, and the material is prevented from being forced out of the bin due to the rotating centrifugal force of the auxiliary rotating disc 311. The bottom of the feeding bin 313 is provided with an opening 316, and when the feeding bin 313 moves to the motion track of the discharging push plate 312, the discharging push plate 312 can pass through the opening 316 to push the material in the feeding bin 313 to enter the side heat sealing device 33.

The upper heat-seal device 32 (shown in fig. 5) includes a left press plate 321, an upper heating device 322, and a right press plate 323; the left pressing plate 321 is arranged on one side of the feeding bin 313 close to the rotating side, the right pressing plate 323 is arranged on one side of the feeding bin 313 far from the rotating side, and the upper heating device 322 is arranged at the upper position of the feeding bin 313 when the feeding bin 313 rotates to the highest point. When a certain feeding bin 313 is filled with materials and rotates to the highest point, the auxiliary turntable 311 enters a temporary stop, the right pressing plate 323 presses the three-dimensional film on one side to the opening of the feeding bin 313, the left pressing plate 321 presses the three-dimensional film on the opposite side to the opening of the feeding bin 313, the current sealing position is heated by the upper heating device 322, and after the upper heat sealing operation is finished, the auxiliary turntable 311 continues to rotate.

The side heat-sealing device 33 shown in fig. 9 includes a discharge section 331 and a side heating device 333, and the discharge section 331 is provided at the discharge of the sub-turntable 311 and receives the semi-packaged product that has just been subjected to the upper heat-sealing operation. The two sides of the discharging area 331 are provided with molding plates 332, and the molding plates 332 are provided with channels 334. The semi-packaged articles enter the outfeed zone 331 and move with the conveyor to the side heating device 333, during which the non-attached side three-dimensional film is automatically attached to the articles according to the orientation of the channels 334. A side heating unit 333 is provided at the end of outfeed section 331 for performing a final side heat sealing operation on the articles packaged through channel 334.

In conclusion, on the basis of the prior art, the conveying structure is adjusted, the vacuum adsorption mechanism is introduced, the packaging stations are increased, the heat sealing operation is improved, the labor cost is greatly saved, the stability of the machine is enhanced, and the production efficiency is improved.

The above is only one embodiment of the present invention, and it should be noted that, for those skilled in the art, several similar modifications and improvements can be made without departing from the inventive concept of the present invention, and these should also be considered as within the protection scope of the present invention.

Claims (7)

1. The utility model provides a feeding mechanism for three-dimensional membrane packagine machine which characterized in that: the packaging machine comprises a turning and turning device (11) and a grading material supplementing device (12), wherein the turning and turning device (11) rotates an article to be packaged from the horizontal direction and the vertical direction in sequence, and the grading material supplementing device (12) is used for continuously feeding in groups; the grading material supplementing device (12) is arranged at the discharging position of the turning over device (11).

2. The feeding mechanism for a three-dimensional film wrapping machine according to claim 1, characterized in that: the turning device (11) comprises a turning area (13), a turning area (14) and a connecting and conveying area (15), and the connecting and conveying area (15) is connected with the turning area (13) and the turning area (14).

3. The feeding mechanism for a three-dimensional film wrapping machine according to claim 2, characterized in that: the turning area (13) is horizontally provided with a first conveying belt (131) and a second conveying belt (132) in parallel, and a rotating speed difference is arranged between the first conveying belt (131) and the second conveying belt (132).

4. The feeding mechanism for a three-dimensional film wrapping machine according to claim 2, characterized in that: the overturning area (14) is provided with a buffer belt (141) and an overturning disc (142), the overturning disc (142) is vertically arranged at the outlet of the buffer belt (141) in parallel, an overturning bin (145) is arranged at the edge of the overturning disc (142), and a protective roller (144) is arranged at the edge of the overturning bin (145).

5. The feeding mechanism for a three-dimensional film wrapping machine according to claim 2, characterized in that: the two ends of the connecting and conveying area (15) are provided with a plurality of rows of balls (151), and a conveying belt is arranged between the balls (151).

6. The feeding mechanism for a three-dimensional film wrapping machine according to claim 1, characterized in that: the staged feeding device (12) comprises a staged area (122) and a feeding area (123), the staged area (122) is arranged at the outlet of the turning-over device (11), and the end of the staged area (122) is provided with a staged baffle (128); the feeding area (123) is positioned at the left side of the outlet of the turning-over device (11), and the feeding area (123) is closely arranged in parallel with the grading area (122).

7. The feeding mechanism for a three-dimensional film wrapping machine according to claim 6, wherein: a grading push plate (121) is arranged on the right side of an outlet of the turning-over device (11), and the grading push plate (121) is parallel to the material supplementing area (123) and the grading area (122); the material supplementing area (123) comprises a material supplementing push plate (124), a relay push plate (125), a grouping push plate (126) and a feeding push plate (127); the feeding push plate (124) and the relay push plate (125) are arranged above the feeding area (123), and the grouping push plate (126) and the feeding push plate (127) are arranged at the tail end of the feeding area (123); the to-be-packaged articles in the grading area (122) are firstly pushed to the material supplementing area (123) by the grading push plate (121), then pushed to the relay push plate (125) by the material supplementing push plate (124), then continuously pushed to the grouping push plate (126) by the relay push plate (125), then pushed to the grouped materials by the grouping push plate (126) according to needs, and finally pushed out to the grouped articles by the feeding push plate (127).

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