CN215098562U

CN215098562U - Cake packing machine's cake stacks feed arrangement

Info

Publication number: CN215098562U
Application number: CN202121363115.9U
Authority: CN
Inventors: 赵亮; 龚旭
Original assignee: Harbin Institute of Technology Robot Nanchang Intelligent Manufacturing Research Institute
Current assignee: Harbin Institute of Technology Robot Nanchang Intelligent Manufacturing Research Institute
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-10
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a cake packagine machine's cake stacks feed arrangement, including carrying the frame, install the circulation conveying chain by carrying motor drive in carrying the frame, equidistant division board that is provided with on the circulation conveying chain, it has lower floor's feeding station to carry the frame to set gradually, superpose station and propelling movement station, it is provided with lower floor's feeding platform to carry the frame, lower floor's feeding platform links up with first conveyer belt, it installs lower floor's pushing equipment to carry the frame, it is provided with upper feeding platform to carry the frame, upper feeding platform links up with the second conveyer belt, it has upper pushing equipment and stacks pushing equipment to carry to install in the frame, pushing equipment, feeding pushing equipment, this cake stacks feed arrangement can realize the feeding of lower floor cake and upper cake, stack and push away the material, degree of automation is high.

Description

Cake packing machine's cake stacks feed arrangement

Technical Field

The utility model relates to a cake stacks feed arrangement, especially relates to a cake packagine machine carries out the feed arrangement that stacks of superpose to upper and lower two-layer cake, convenient one dress box process down.

Background

Present cake like this kind of square food of saqima etc. through the single independent package back at first, need pack into the box again, and dress box sealing section automation maturity is higher, but anterior segment cake supplied materials and label are delivered etc. because of the special requirement of material and label, are manual operation at present, and packaging efficiency is lower and have food safety's risk, for reducing or even stop food safety problem and improve production efficiency, the box of getting of packing carton is more critical in cake full automatization packaging production line. The cakes are packaged into square small bags by a small bag packaging machine, one surface of the cakes in the square small bags is a hot bonding trace surface after being packaged, and the cakes in the square small bags need to be packaged into boxes. However, in general process requirements, the boxed cakes need to be stacked in an upper layer and a lower layer, and the stacking of the cakes at present is a difficult point, firstly, the cakes are packaged in small packages, so that the surface of each small cake has a packaging crease, and therefore, the cakes cannot be aligned when stacked, so that the stacking effect is poor, and particularly, the friction force between the cakes when stacked is large, the cakes arranged in the lower layer and the cakes arranged in the upper layer are very likely to be loosened, so that the final boxing effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a cake of cake packagine machine stacks feed arrangement, this cake stack feed arrangement can realize the feeding of lower floor cake and upper cake, stack and push away the material, and degree of automation is high, has solved that manual operation packing efficiency is lower, the packing effect is looked into and has the problem of the risk of food safety.

In order to solve the technical problem, the technical scheme of the utility model is that: a cake stacking and feeding device of a cake packaging machine comprises a conveying rack, wherein a circulating conveying chain driven by a conveying motor is installed on the conveying rack, partition plates are arranged on the circulating conveying chain at equal intervals, a conveying space is formed between the partition plates, a lower layer feeding station, a stacking station and a pushing station are sequentially arranged on the conveying rack according to the conveying direction of cakes, a lower layer feeding platform is arranged on the lower layer feeding station on the conveying rack, the lower layer feeding platform is connected with a first conveying belt used for conveying the lower layer cakes, and a lower layer pushing mechanism used for pushing the lower layer cakes into the conveying space on the lower layer feeding station is installed on the conveying rack; an upper layer feeding platform is arranged on the conveying rack on the stacking station, and the height of the upper layer feeding platform is higher than that of the lower layer feeding platform by at least one cake thickness; the upper layer feeding platform is connected with a second conveying belt for conveying upper layer cakes, and an upper layer material pushing mechanism and a stacking and pushing mechanism for conveying the upper layer cakes to a stacking station are arranged on the conveying rack; the conveying rack is provided with a pushing platform on the pushing station, one side of the pushing platform is connected with a conveying space on the pushing station, the other side of the pushing platform is a discharging end, and the conveying rack is provided with a feeding pushing mechanism for sending out overlapped cakes on the pushing station.

As an optimal scheme, the lower-layer pushing mechanism comprises a first transverse pushing mechanism and a first scraping mechanism which are mutually connected, a lower-layer arrangement region and a lower-layer cache region are arranged on a lower-layer feeding platform, a lower-layer positioning structure for positioning cakes in the lower-layer arrangement region is arranged on the lower-layer feeding platform, the first transverse pushing mechanism is used for pushing the lower-layer cakes in the lower-layer arrangement region to the lower-layer cache region, and the first scraping mechanism is used for pushing the lower-layer cakes in the lower-layer cache region to a conveying space of a lower-layer feeding station.

As a preferred scheme, first horizontal push mechanism includes the first horizontal push pedal of lateral sliding, first horizontal push pedal is driven by first horizontal propelling movement power device, first scraping mechanism includes the first frame of scraping and sending, and lateral sliding installs the first horizontal slide by first horizontal drive device driven on the first frame of scraping and sending, and the first lifting board of first lift power device driven is gone up to the first horizontal slide and is descended slidable mounting, the bottom of first lifting board is provided with first scraper blade.

Preferably, an upper limiting plate is provided on the first elevating plate at a downstream side of the first squeegee.

As an optimal scheme, stack push mechanism and include the upper pushing equipment the same with lower floor's pushing equipment structure, the lateral sliding of the opposite side that lies in upper pushing equipment on the superpose station has middle backing plate, the height that highly is higher than lower floor's cake of middle backing plate, middle backing plate is driven by backing plate drive arrangement, the baffle that is provided with restriction upper cake position in the transport frame, what be provided with on this baffle made things convenient for middle backing plate to pass passes the hole.

As a preferred scheme, a leveling station is further arranged between the lower layer feeding station and the stacking station, and a leveling mechanism for leveling the upper surface of the lower layer cake is arranged on the leveling station.

As a preferred scheme, the leveling mechanism comprises a leveling support fixed on the conveying rack, a leveling pressing plate is installed on the leveling support in a lifting and sliding mode, and the leveling pressing plate is driven by a pressing plate lifting power device.

As a preferred scheme, feeding push mechanism includes feeding propelling movement frame, horizontal slidable mounting has feeding propelling movement slide in the feeding propelling movement frame, and feeding propelling movement slide is driven by feeding propelling movement power device, install feeding push plate on the feeding propelling movement slide, the thickness that highly is greater than two-layer cake of this feeding push plate board.

As an optimal scheme, still slidable mounting has the label slide in the transport frame, and this label slide is driven by label power device, be provided with the label that stacks the label on the label slide and store the storehouse, the bottom that the storehouse was stored to the label is the label export, the height that the storehouse was stored to the label is higher than push platform's height, push platform's bottom lift slidable mounting has a plurality of label sucking disc, the label sucking disc is driven by sucking disc power device, be provided with the through hole that makes things convenient for the label sucking disc to run through on the push platform.

As a preferable scheme, a guide groove and an avoiding groove which penetrate through transversely are formed in the pushing platform, and a guide strip and a hook part which are matched with the guide groove and the avoiding groove are arranged at the bottom of the feeding pushing plate.

After the technical scheme is adopted, the utility model discloses an effect is: the cake stacking and feeding device comprises a conveying rack, wherein a circulating conveying chain driven by a conveying motor is installed on the conveying rack, partition plates are arranged on the circulating conveying chain at equal intervals, a conveying space is formed between the partition plates, a lower layer feeding station, a stacking station and a pushing station are sequentially arranged on the conveying rack according to the conveying direction of cakes, a lower layer feeding platform is arranged on the lower layer feeding station on the conveying rack, the lower layer feeding platform is connected with a first conveying belt used for conveying the lower layer cakes, and a lower layer pushing mechanism used for pushing the lower layer cakes into the conveying space on the lower layer feeding station is installed on the conveying rack; an upper layer feeding platform is arranged on the conveying rack and positioned on the stacking station, the height of the upper layer feeding platform is higher than that of the lower layer feeding platform by at least one cake thickness, the upper layer feeding platform is connected with a second conveying belt for conveying upper layer cakes, and an upper layer material pushing mechanism and a stacking and pushing mechanism for conveying the upper layer cakes to the stacking station are arranged on the conveying rack; the conveying rack is provided with a pushing platform on a pushing station, one side of the pushing platform is connected with a conveying space on the pushing station, the other side of the pushing platform is a discharging end, and a feeding pushing mechanism for sending out overlapped cakes on the pushing station is installed on the conveying rack.

The lower layer material pushing mechanism comprises a first transverse pushing mechanism and a first scraping mechanism which are mutually connected, a lower layer arrangement area and a lower layer cache area are arranged on the lower layer feeding platform, a lower layer positioning structure for positioning the cakes in the lower layer arrangement area is arranged on the lower layer feeding platform, the first transverse pushing mechanism is used for pushing the lower layer cakes in the lower layer arrangement area to the lower layer cache area, the first scraping mechanism is used for pushing the lower layer cakes in the lower layer cache area to a conveying space of a lower layer feeding station, the cakes can be positioned in the lower layer arrangement area by utilizing the lower layer positioning mechanism, so that the arrangement of the cakes in the lower layer is realized, generally two rows and four rows are realized, the first transverse pushing mechanism realizes the arrangement of the cakes, after one row of the cakes is positioned, the first transverse pushing mechanism transversely pushes the cakes, so that a position is left, and the entering of the next row of the cakes is facilitated, after the arrangement is finished, the arranged cakes are scraped and conveyed to the conveying space by the first scraping and conveying mechanism, so that the arrangement and feeding of the cakes on the lower layer are realized, and the action is reliable and smooth.

And because the upper limiting plate is arranged on the first lifting plate and positioned at the downstream side of the first scraper, the upper limiting plate can limit the upper surface of the cakes in the scraping and conveying process, and the cakes are prevented from being scattered.

The stacking and pushing mechanism comprises an upper layer of pushing mechanism with the same structure as that of a lower layer of pushing mechanism, an intermediate backing plate is transversely installed on the other side of the upper layer of pushing mechanism on the stacking station in a sliding mode, the intermediate backing plate is higher than the cake on the lower layer, the intermediate backing plate is driven by a backing plate driving device, a baffle plate for limiting the position of the upper layer of cake is arranged on the conveying rack, a through hole for allowing the intermediate backing plate to penetrate through is formed in the baffle plate, the intermediate backing plate is drawn out after the lower layer of cake is in place so as to cover the lower layer of cake, so that the upper layer of cake is pushed onto the intermediate backing plate, then the intermediate backing plate is drawn out, so that the upper layer of cake and the lower layer of cake are mutually stacked, the intermediate backing plate is of a smooth plate structure, the friction force is small, the position where the upper layer of cake can be pushed is more accurate, and the lower layer of cake can effectively support the upper layer of cake when the intermediate backing plate is drawn out, the baffle effectively limits the position of upper cake to avoid scattering, whole process power is reliable.

And because the leveling mechanism comprises a leveling support fixed on the conveying rack, a leveling pressing plate is arranged on the leveling support in a lifting and sliding manner and is driven by a pressing plate lifting power device, the upper surface of the cake can be pressed and leveled by utilizing the leveling support, so that the upper surface of the cake is leveled, and the cake on the upper layer is better supported.

And the label sliding seat is arranged on the conveying rack in a sliding manner and driven by a label power device, a label storage bin for stacking labels is arranged on the label sliding seat, the bottom of the label storage bin is a label outlet, the height of the label storage bin is higher than that of the pushing platform, a plurality of label suckers are arranged at the bottom of the pushing platform in a lifting and sliding manner, the label suckers are driven by a sucker power device, through holes which the label suckers can penetrate through are formed in the pushing platform, and the cake stacking and feeding device can suck the labels in the label storage bin to fall into the pushing platform through the label suckers, so that the cake boxing requirement is met.

And as the pushing platform is provided with the transversely-penetrating guide groove and the transversely-penetrating avoiding groove, the bottom of the feeding pushing plate is provided with the guide strip matched with the guide groove and the hook part matched with the avoiding groove, the guide of the feeding pushing plate can be facilitated by utilizing the guide groove and the guide strip, and the hook part can sink into the avoiding groove so as to accurately push the label paper, thereby ensuring that the label paper can be pushed smoothly and accurately.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a first angle according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a second angle according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a third angle according to the embodiment of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

fig. 5 is a schematic structural diagram of a part of a pushing station of an embodiment of the present invention;

fig. 6 is a schematic structural view of a pushing platform and a feeding pushing plate according to an embodiment of the present invention;

in the drawings: 1. a conveyor frame; 2. a conveying motor; 3. a partition plate; 4. a conveying space; 5. a lower layer feeding platform; 51. a lower arrangement region; 52. a lower-layer cache region; 6. a first conveyor belt; 7. an upper layer feeding platform; 8. a second conveyor belt; 9. a pushing platform; 91. a guide groove; 92. an avoidance groove; 10. a lower layer positioning structure; 11. a first transverse push plate; 12. a first scraper conveyor base; 13. a first transverse slide; 14. a first lifting power device; 15. a first lifter plate; 16. a first squeegee; 17. an upper limiting plate; 18. a middle base plate; 19. a base plate driving device; 20. leveling the support; 21. leveling the pressing plate; 22. a pressure plate lifting power device; 23. a feeding and pushing frame; 24. a feed pushing slide; 25. a feeding and pushing power device; a feed pusher plate; 261. a guide strip; 262. a hook portion; 27. a label slide; 28. a label power device; 29, a label storage bin; 30. a suction cup power device; 31. a baffle plate; 32. through the aperture.

Detailed Description

The present invention will be described in further detail with reference to the following examples.

As shown in fig. 1-6, a cake stacking and feeding device of a cake packaging machine comprises a conveying frame 1, a circulating conveying chain driven by a conveying motor 2 is installed on the conveying frame 1, partition plates 3 are arranged on the circulating conveying chain at equal intervals, a conveying space 4 is formed between the partition plates 3, a lower layer feeding station, a stacking station and a pushing station are sequentially arranged on the conveying frame 1 according to the conveying direction of cakes, a lower layer feeding platform 5 is arranged on the lower layer feeding station on the conveying frame 1, the lower layer feeding platform 5 is connected with a first conveying belt 6 for conveying the lower layer cakes, a lower layer pushing mechanism for pushing the lower layer cakes into the conveying space 4 on the lower layer feeding station is installed on the conveying frame 1, an upper layer feeding platform 7 is arranged on the stacking station on the conveying frame 1, the height of the upper layer feeding platform 7 is higher than at least one cake thickness of the lower layer feeding platform 5, the upper layer feeding platform 7 is connected with a second conveying belt 8 for conveying upper layer cakes, and the conveying rack 1 is provided with a stacking and pushing mechanism for conveying the upper layer cakes to the upper part of the lower layer cakes of the stacking station; the conveying rack 1 is provided with a pushing platform 9 on a pushing station, one side of the pushing platform 9 is connected with the conveying space 4 on the pushing station, the other side is a discharging end, and the conveying rack 1 is provided with a feeding pushing mechanism for sending out overlapped cakes on the pushing station.

In this embodiment, the lower layer pushing mechanism includes a first transverse pushing mechanism and a first scraping mechanism, which are connected to each other, the lower layer feeding platform 5 includes a lower layer arrangement region 51 and a lower layer cache region 52, a lower layer positioning structure 10 for positioning the cakes in the lower layer arrangement region 51 is disposed on the lower layer feeding platform 5, the first transverse pushing mechanism is used for pushing the lower layer cakes in the lower layer arrangement region 51 to the lower layer cache region 52, the first scraping mechanism is used for pushing the lower layer cakes in the lower layer cache region 52 to the conveying space 4 of the lower layer feeding station, the first transverse pushing mechanism includes a first transverse pushing plate 11 which slides transversely, the first transverse pushing plate 11 is driven by a first transverse pushing power device, the first scraping mechanism includes a first scraping machine base 12, a first transverse sliding base 13 which is driven by a first transverse driving device is transversely installed on the first scraping machine base 12 in a sliding manner, a first lifting plate 15 driven by a first lifting power device 14 is slidably mounted on the first transverse sliding seat 13, a first scraper 16 is arranged at the bottom of the first lifting plate 15, and an upper limiting plate 17 is arranged on the first lifting plate 15 and positioned at the downstream side of the first scraper 16.

In this embodiment, the lower locating structure 10 includes a locating plate extending laterally, the locating plate is fixed on the lower feeding platform 5, in the attached drawings, the upper limiting plate 17 and the first scraper 16 are separate structures, certainly, the upper limiting plate 17 and the first scraper 16 can also be designed into an integrated structure, which is equivalent to the upper limiting plate 17 and the first scraper 16 being designed into an L-shaped integral structure, so that the installation is more convenient, or the first lifting plate 15 and the upper limiting plate 17 are designed into an integral structure, and the structure at this position can be flexibly adjusted as required.

In addition, in this embodiment, the lower arrangement region 51 is a part of the first conveyor 6, and is not integrated with the lower buffer region 52, and in this design, the first conveyor 6 can be used to convey and arrange the lower pastries forward, and of course, the lower arrangement region 51 can also be integrated with the lower buffer region 52, and can be flexibly set according to actual needs in production.

Stack push mechanism and include the upper pushing equipment who is the same with lower floor's pushing equipment structure, the lateral sliding of the opposite side that lies in upper pushing equipment on the superpose station installs middle backing plate 18, middle backing plate 18 highly is higher than the height of lower floor's cake, middle backing plate 18 is driven by backing plate drive arrangement 19, be provided with the baffle 31 of limiting upper cake position on the conveyer frame 1, be provided with on this baffle and make things convenient for the middle backing plate 18 to pass through hole 32, still be provided with the flattening station between lower floor's feeding station and the superpose station, be provided with the flattening mechanism who carries out the flattening to the upper surface of lower floor's cake on the flattening station, in this embodiment, flattening mechanism is including being fixed in flattening support 20 on the conveyer frame 1, there is flattening clamp plate 21 leveling support 20 lift slidable mounting, flattening clamp plate 21 is driven by clamp plate lift power device 22.

In this embodiment, the feeding pushing mechanism includes a feeding pushing frame 23, a feeding pushing slide 24 is installed on the feeding pushing frame 23 in a transverse sliding manner, the feeding pushing slide 24 is driven by a feeding pushing power device 25, a feeding pushing plate 26 is installed on the feeding pushing slide 24, the height of the feeding pushing plate is greater than the thickness of two layers of cakes, a label slide 27 is further installed on the conveying frame 1 in a sliding manner, the label slide 27 is driven by a label power device 28, a label storage bin 29 for stacking labels is arranged on the label slide 27, the bottom of the label storage bin 29 is a label outlet, the height of the label storage bin 29 is greater than the height of the pushing platform 9, a plurality of label suckers are installed on the bottom of the pushing platform 9 in a lifting and sliding manner, the label suckers are driven by a sucker power device 30, through holes for the label suckers to penetrate through are arranged on the pushing platform 9, the pushing platform 9 is provided with a guide groove 91 which transversely penetrates through and an avoiding groove 92 which transversely penetrates through, and the bottom of the feeding pushing plate 26 is provided with a guide strip 261 which is matched with the guide groove 91 and a hook part 262 which is matched with the avoiding groove 92.

When in work, the cakes can be intermittently conveyed one by utilizing the circulating conveying chain, and the cakes are sequentially conveyed to the downstream by the lower layer feeding station, the overlapping station and the pushing station,

firstly, a lower layer feeding station: the cakes conveyed by the first conveyor belt 6 stay in the lower arrangement region 51 under the action of the lower positioning structure 10, after a row of cakes is conveyed, the first transverse pushing power device drives the first transverse pushing plate 11 to transversely slide, the row of cakes is transversely pushed to a cake width position, the cakes enter the lower buffer region 52, so that another row of cakes can conveniently enter the lower arrangement region 51, the actions are repeated, after a plurality of rows of cakes enter the lower buffer region 52, the cakes in the lower buffer region 52 are conveyed into the conveying space 4 by the first scraping mechanism, in the scraping process, firstly, the first transverse driving device drives the first transverse sliding seat 13 to slide, then the first lifting power device 14 also transversely slides until the position corresponding to the cakes in the lower buffer region 52, the first lifting power device 14 drives the first scraping plate 16 and the upper limiting plate 17 to move downwards, then the first scraper 16 slides transversely to send the cakes in the lower-layer cache region 52 into the conveying space 4, the conveying motor 2 drives the circulating conveying chain to convey the cakes in the lower layer continuously, at the moment, the cakes in the lower-layer arrangement region 51 and the cakes in the lower-layer cache region 52 can enter the cakes in the lower layer continuously to be arranged and cached, and the actions are repeated to realize the arrangement and feeding of the cakes in the lower layer;

the upper layer material pushing mechanism and the lower layer material pushing mechanism have the same structure and are correspondingly provided with a second transverse pushing mechanism, a second scraping mechanism, an upper layer arrangement area, an upper layer cache area, an upper layer positioning structure and the like, the arrangement and feeding of upper layer cakes are similar to the action process of the lower layer cakes, the upper layer cakes sequentially enter the upper layer arrangement area, the upper layer cache area and a middle base plate 18 after being arranged, the height and the width of the middle base plate 18 are matched with those of the upper layer feeding platform 7, after the cakes on the lower layer reach the stacking station, the circulating conveying chain stops conveying, the base plate driving device 19 drives the middle base plate 18 to move transversely, the middle base plate 18 is drawn out from the through hole, so that the cakes on the upper layer cover the cakes on the lower layer, the cakes on the upper layer and the cakes on the lower layer are stacked mutually, and after the stacking is completed, the conveying motor 2 continues to drive the circulating conveying chain to convey the stacked cakes on the upper layer and the lower layer to the pushing station; certainly, the middle base plate 18 can wait for the lower layer of cakes to enter the stacking station after reaching the stacking station, and then the upper layer of cakes are pushed onto the middle base plate 18 by the corresponding second scraping mechanism, and the sequence of the actions can be adjusted;

after the cake feeding device reaches a pushing station, the circulating conveying chain stops conveying, the sucking disc power device 30 drives the label sucking discs, the label sucking discs suck labels in the label storage bins 29 to fall into the pushing platform 9, the label power device 28 drives the label sliding bases 27 to slide, the label storage bins 29 are moved away along with the label storage bins, the feeding pushing power device 25 drives the feeding pushing sliding bases 24 to move, the feeding pushing plate 26 slides along with the feeding pushing plate 26, the overlapped upper and lower layers of cakes are pushed onto the label paper of the pushing platform 9, then the feeding pushing plate 26 pushes the label paper and the upper and lower layers of cakes together, and discharging is completed.

In this embodiment, a leveling station is further disposed between the lower layer feeding station and the stacking station, the leveling pressing plate 21 is driven by the pressing plate lifting power device 22, and the leveling support 20 can press down and level the upper surface of the next cake, so that the upper surface of the next cake is flat, and the next cake can be stacked conveniently in the later period.

The processing is omitted in the drawing for a part of the structure.

The gas circuit system, the actuating devices such as the servo motor and the like, the gear transmission mechanism and the screw and nut mechanism mentioned in the embodiment are all the conventional technologies at present, the specific structures and principles of the cylinder, the motor and other transmission mechanisms and other designs are disclosed in detail in the fifth edition of the mechanical design manual printed for the twenty-eighth edition in the fifth edition of Beijing in 4 months of 2008, and belong to the prior art, the structure of the gas circuit system belongs to the prior art, the structure of the gas circuit system is clearly clarified, the vacuum element, the gas circuit and the program control are disclosed in detail in the modern practical pneumatic technology 3 rd edition SMC training teaching material published by the mechanical industry publisher in 08 months and 01 days of 2008, the gas circuit structure in the embodiment is also the prior art, and the control and the travel switch of the motor are also described in detail in the book of Motor drive and speed regulation published by the chemical industry publisher in 07 months and 01 days of 2015, therefore, the circuit and the gas circuit connection are clear.

The above-mentioned embodiments are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and all modifications and changes made by the technical solution of the present invention should fall within the protection scope defined by the claims of the present invention on the basis of not departing from the spirit of the present invention.

Claims

1. The utility model provides a cake packagine machine's cake stacks feed arrangement, includes and carries the frame, carry and install the circulation conveying chain by the conveying motor drive in the frame, its characterized in that: the circulating conveying chain is provided with partition plates at equal intervals, and conveying spaces are formed among the partition plates; the cake conveying device comprises a conveying rack, a lower layer feeding station, an overlapping station and a pushing station, wherein the conveying rack is sequentially provided with the lower layer feeding station, the overlapping station and the pushing station according to the conveying direction of cakes, a lower layer feeding platform is arranged on the conveying rack and positioned on the lower layer feeding station, the lower layer feeding platform is connected with a first conveying belt used for conveying the lower layer cakes, and a lower layer pushing mechanism used for pushing the lower layer cakes into a conveying space on the lower layer feeding station is arranged on the conveying rack; an upper layer feeding platform is arranged on the conveying rack on the stacking station, and the height of the upper layer feeding platform is higher than that of the lower layer feeding platform by at least one cake thickness; the upper layer feeding platform is connected with a second conveying belt for conveying upper layer cakes, and an upper layer material pushing mechanism and a stacking and pushing mechanism for conveying the upper layer cakes to a stacking station are arranged on the conveying rack; the cake feeding and pushing device is characterized in that a pushing platform is arranged on the pushing station on the conveying rack, one side of the pushing platform is connected with a conveying space on the pushing station, the other side of the pushing platform is a discharging end, and a feeding and pushing mechanism for feeding out overlapped cakes on the pushing station is arranged on the conveying rack.

2. The pastry stacking and feeding device of the pastry packing machine as set forth in claim 1, wherein: the lower layer material pushing mechanism comprises a first transverse pushing mechanism and a first scraping mechanism which are mutually connected; be provided with lower floor's range region and lower floor's cache region on the feeding platform of lower floor, be provided with the lower floor location structure of arranging the region with the cake in lower floor on the feeding platform of lower floor, first horizontal push mechanism is used for arranging regional lower floor's cake propelling movement to lower floor's cache region with lower floor, first scrape send the mechanism to be used for the transport space of lower floor's cake propelling movement to lower floor's feeding station in lower floor's cache region.

3. The pastry stacking and feeding device of the pastry packing machine as set forth in claim 2, wherein: first horizontal push mechanism includes the first horizontal push pedal of lateral sliding, first horizontal push pedal is driven by first horizontal propelling movement power device, first scraping send the mechanism to include first scraping send the frame, and first scraping send the frame on lateral sliding installs the first horizontal slide by first horizontal drive device driven, the ascending and descending slidable mounting of first horizontal slide has the first lifter plate of first lift power device driven, the bottom of first lifter plate is provided with first scraper blade.

4. The pastry stacking and feeding device of the pastry packing machine as set forth in claim 3, wherein: an upper limiting plate is arranged on the first lifting plate and located on the downstream side of the first scraper.

5. The pastry stacking and feeding device of the pastry packing machine as set forth in claim 4, wherein: stack push mechanism includes the upper strata pushing equipment the same with lower floor's pushing equipment structure, the opposite side lateral sliding who lies in upper strata pushing equipment on the superpose station installs middle backing plate, the height that highly is higher than lower floor's cake of middle backing plate, middle backing plate is driven by backing plate drive arrangement, be provided with the baffle of restricting upper cake position in the transport frame, be provided with the hole that passes that makes things convenient for middle backing plate to pass on this baffle.

6. The pastry stacking and feeding device of the pastry packing machine as set forth in any one of claims 1 to 5, wherein: still be provided with the flattening station between lower floor's feeding station and the superpose station, be provided with the flattening mechanism that carries out the flattening to the upper surface of lower floor's cake on the flattening station.

7. The pastry stacking and feeding device of the pastry packing machine as set forth in claim 6, wherein: the leveling mechanism comprises a leveling support fixed on the conveying rack, a leveling pressing plate is mounted on the leveling support in a lifting and sliding mode, and the leveling pressing plate is driven by a pressing plate lifting power device.

8. The pastry stacking and feeding device of the pastry packing machine as set forth in claim 7, wherein: the feeding pushing mechanism comprises a feeding pushing rack, a feeding pushing sliding seat is arranged on the feeding pushing rack in a transverse sliding mode and driven by a feeding pushing power device, a feeding pushing plate is arranged on the feeding pushing sliding seat, and the height of the feeding pushing plate is larger than the thickness of two layers of cakes.

9. The pastry stacking and feeding device of the pastry packing machine as set forth in claim 8, wherein: still slidable mounting has the label slide in the transport frame, and this label slide is driven by label power device, be provided with the label that stacks the label on the label slide and store the storehouse, the bottom that the storehouse was stored to the label is the label export, the height that the storehouse was stored to the label is higher than push platform's height, push platform's bottom lift slidable mounting has a plurality of label sucking disc, the label sucking disc is driven by sucking disc power device, be provided with the through hole that makes things convenient for the label sucking disc to run through on the push platform.

10. The pastry stacking and feeding device of the pastry packing machine as set forth in claim 9, wherein: the feeding pushing plate is characterized in that a transversely-penetrating guide groove and a transversely-penetrating avoiding groove are formed in the pushing platform, and a guide strip matched with the guide groove and a hook part matched with the avoiding groove are arranged at the bottom of the feeding pushing plate.