阅读说明：本技术 餐盒离线切边机 (Offline trimming machine for lunch boxes ) 是由 李学文 于 2019-11-27 设计创作，主要内容包括：本发明了一种餐盒离线切边机,包括切边机及位于切边机侧旁的餐坯自动上料机构和餐盒自动下料机构。餐坯自动上料机构包含供餐坯在高度方向层叠堆放的堆叠料仓及用于将堆叠料仓内的餐坯取出并转送至切边机内的上料机械手,切边机对上料机械手转送来的餐坯进行切边处理,以使餐坯被加工出餐盒；餐盒自动下料机构包含餐盒输送线、下料机械手及提升下降装置,提升下降装置包含承托骨架及提升下降驱动器；下料机械手将切边机处的餐盒取出并转送至承托骨架上,承托骨架在提升下降驱动器的作用下将餐盒放置于餐盒输送线上,由餐盒输送线将餐盒向下一工位输送；以实现餐坯自动上料、将餐坯进行切边处理以形成餐盒及将餐盒自动下料的目的。(The invention discloses an offline trimming machine for a lunch box, which comprises a trimming machine, and an automatic meal blank feeding mechanism and an automatic lunch box blanking mechanism which are positioned beside the trimming machine. The automatic meal blank feeding mechanism comprises a stacking bin for stacking meal blanks in a height direction and a feeding manipulator for taking out and transferring the meal blanks in the stacking bin to the edge trimmer, and the edge trimmer carries out edge trimming on the meal blanks transferred by the feeding manipulator so as to process the meal blanks into meal boxes; the automatic meal box blanking mechanism comprises a meal box conveying line, a blanking manipulator and a lifting and descending device, wherein the lifting and descending device comprises a bearing framework and a lifting and descending driver; the blanking manipulator takes out the meal boxes at the edge trimmer and transfers the meal boxes to the supporting framework, the supporting framework places the meal boxes on a meal box conveying line under the action of the lifting and descending driver, and the meal boxes are conveyed to the next station by the meal box conveying line; the aims of automatically feeding the meal blanks, trimming the meal blanks to form the lunch boxes and automatically blanking the lunch boxes are fulfilled.)

1. An offline trimming machine for lunch boxes comprises a trimming machine, and an automatic meal blank feeding mechanism and an automatic lunch box blanking mechanism which are arranged beside the trimming machine, and is characterized in that the automatic meal blank feeding mechanism comprises a stacking bin for stacking meal blanks in the height direction and a feeding manipulator for taking out and transferring the meal blanks in the stacking bin to the trimming machine, the trimming machine carries out trimming treatment on the meal blanks transferred by the feeding manipulator so that the meal blanks are processed into the lunch boxes, the automatic lunch box blanking mechanism comprises a conveying line, a blanking manipulator and a lifting and descending device, the lifting and descending device comprises a bearing framework which is positioned above the corresponding lunch box conveying line and staggered with each other and a lifting and descending driver for driving the bearing framework to do lifting motion in the height direction, and the blanking manipulator takes out and transfers the lunch boxes at the trimming machine to the bearing framework, the bearing framework places the lunch boxes on the lunch box conveying line under the action of the lifting and descending driver, and the lunch boxes are conveyed to the next station by the lunch box conveying line.

2. The offline trimming machine for meal boxes according to claim 1, wherein the automatic meal blank feeding mechanism further comprises a first feeding frame, a jacking device and a second feeding frame, the stacking bin is slidably disposed on the first feeding frame along the length direction of the first feeding frame, the jacking device comprises a jacking member and a jacking driver, the jacking member is slidably disposed on the first feeding frame along the height direction of the first feeding frame, the jacking member is further disposed below the stacking bin and opposite to the meal blanks in the stacking bin, the jacking driver is mounted on the first feeding frame and drives the jacking member to upwards jack the meal blanks in the stacking bin, the second feeding frame spans above the first feeding frame along the width direction of the first feeding frame, so that the second feeding frame surrounds the first feeding frame from the top and two sides thereof, the second feeding frame is arranged side by side with the edge trimmer, the feeding manipulator is installed on the second feeding frame and located above the stacking bin correspondingly, and the feeding manipulator is responsible for taking away and transferring the meal blanks lifted by the jacking device in the stacking bin to the edge trimmer.

3. The offline trimming machine for meal boxes according to claim 2, wherein the automatic unloading mechanism for meal boxes further comprises a first unloading frame and a second unloading frame, the first blanking frame, the edge trimmer and the second feeding frame are sequentially arranged side by side along the width direction of the first feeding frame, the meal box conveying line is arranged on the first blanking frame and conveys meal boxes along the width direction of the first feeding frame, the second blanking frame crosses over the first blanking frame along the length direction of the first feeding frame, so that the second blanking frame surrounds the first blanking frame from the top and two sides of the second blanking frame, the supporting framework is arranged on the first blanking frame in a sliding manner along the height direction of the first loading frame, the lifting and descending driver is installed on the first blanking frame, and the blanking manipulator is installed on the second blanking frame and located above the bearing framework correspondingly.

4. The offline trimming machine for meal boxes according to claim 3, wherein said conveyor line for meal boxes comprises a primary roller, a secondary roller, at least two belts sleeved on said primary roller and secondary roller, and a driving motor for driving said primary roller to rotate, said primary roller and said secondary roller are spaced apart from each other along the width direction of said first feeding frame, so that said belts are arranged along the width direction of said first feeding frame, all said belts are also spaced apart from each other along the length direction of said first feeding frame, said support frame comprises a support slide and a plurality of support arms identical to said belts, each of said support arms is located above a corresponding one of said belts, and each of said support arms is spaced apart from a corresponding one of said belts, said support slide is slidably disposed on said first blanking frame and is fixedly connected with said support arms, the first blanking frame is provided with a plurality of guide partition plates, all the guide partition plates are arranged in a spaced mode along the length direction of the first feeding frame, a guide channel is defined between every two adjacent guide partition plates, and one belt is arranged in each guide channel.

5. The offline trimming machine for meal boxes according to claim 3, wherein the blanking manipulator comprises a blanking slide seat, a blanking translation arm, a blanking lifting driver, a vacuum suction head and a translation driver, the blanking slide seat is slidably disposed at the top of the second blanking frame along the width direction of the first feeding frame, the blanking translation arm is located right below the blanking slide seat, the blanking lifting driver is assembled on the blanking slide seat and drives the blanking translation arm to move close to or away from the support framework, the vacuum suction head is assembled on the blanking translation arm and protrudes downwards from the blanking translation arm, and the translation driver drives the blanking slide seat to reciprocate on the second blanking frame.

6. The offline trimming machine for meal boxes according to claim 5, further comprising a scrap conveyor line for conveying scrap along the length direction of the first loading frame, the scrap conveyor line being located between the lifting and lowering device and the trimming machine along the width direction of the first loading frame, the vacuum suction head comprising a scrap suction head and a meal box suction head spaced apart from each other, the scrap suction head and meal box suction head each being mounted on the blanking translation arm, the scrap suction head taking out and transferring the scrap of the trimming machine to the scrap conveyor line under the coordination of the translation driver and the blanking lifting driver.

7. The offline trimming machine for meal boxes according to claim 2, wherein the automatic meal blank feeding mechanism further comprises a flexible brush, the stacking bin comprises a bin framework and a stacking cavity enclosed by the bin framework and having an upward cavity opening, the bin framework is slidably disposed on the first feeding framework, the brush is mounted on the bin framework and protrudes into the cavity opening of the stacking cavity, and the brush is aligned with the edge of the meal blank in the stacking cavity in the height direction.

8. The offline trimming machine for lunch boxes according to claim 7, wherein said bin frame comprises a bottom slide and columns installed on said bottom slide, said columns are arranged in a matrix on said bottom slide, said columns and said bottom slide together enclose at least two rows of said stacking cavities, and said brush is installed on said column located between two adjacent rows of said stacking cavities.

9. The offline trimming machine for meal boxes according to claim 7, wherein the feeding manipulator comprises a feeding slide, a feeding translation arm, a first lifting driver, a first suction nozzle, a second lifting driver for driving the second suction nozzle to lift, and a translation motor installed on the second feeding frame, the feeding slide is slidably installed at the top of the second feeding frame along the width direction of the first feeding frame, the feeding translation arm is located right below the feeding slide, the first lifting driver is installed on the feeding slide and drives the feeding translation arm to move close to or away from the stacking bin, the first suction nozzle is installed on the feeding translation arm and protrudes downward from the feeding translation arm, the first suction nozzle presses against the first side edge of the top surface of the uppermost meal blank in the stacking cavity during the process that the feeding translation arm is close to the stacking bin, the second lifting driver is assembled on the feeding translation arm, the second suction nozzle with the first suction nozzle is spaced apart from each other, the first suction nozzle is lower than the second suction nozzle, the second suction nozzle is assembled in the output of second lifting driver, just the second suction nozzle still arranges downwards, the second suction nozzle is in the second side of the top surface of the top side of sucking the top side of the food blank under the effect of the second lifting driver and makes this second side upwards pulled up, the brush is in the second suction nozzle upwards pulls up the second side in-process of the top surface of the top side of the sucked top side of the food blank and crosses the second side of the top surface of this food blank and scrapes the next-door neighbour's food blank of keeping off to make mutual separation between the food blank of the top side and the next-door neighbour of the below, the translation motor orders about the feeding slide in reciprocating translation on the second feeding frame.

10. The offline trimming machine for meal boxes according to claim 9, wherein the automatic meal blank feeding mechanism further comprises a blowing nozzle, the blowing nozzle is assembled on the feeding translation arm and arranged downwards, and the blowing nozzle is also positioned beside the second suction nozzle.

Technical Field

The invention relates to the field of lunch box production, in particular to an offline trimming machine for a lunch box, which can realize automatic feeding of a meal blank and automatic trimming of the meal blank to form the lunch box and automatic blanking of the lunch box.

Background

With the continuous development of economy and the continuous progress of science and technology, the food box provides abundant material consumer goods for the life of people, and is one of a plurality of material consumer goods.

As is well known, in the production process of disposable meal boxes, there are a step of forming a wet blank of a disposable meal box, a step of drying the formed wet blank to form a dry blank (meal blank), a step of trimming the dry blank to form a meal box, and a step of taking away the meal box and waste materials of a trimming machine.

However, in the conventional production process of processing the meal blanks into the meal boxes, the dry blanks are placed into the edge trimmer, the meal boxes and the waste materials of the edge trimmer are taken out manually by operators, and therefore, the defects of heavy burden, low efficiency and poor safety of the operators exist.

Therefore, there is a need for an offline trimming machine for meal boxes that overcomes the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to provide an offline trimming machine for a meal box, which can realize automatic feeding of meal blanks and automatic trimming of the meal blanks to form the meal box and automatic blanking of the meal box.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a cutlery box off-line bead cutter, including the bead cutter and be located the automatic feeding mechanism of meal base and the automatic unloading mechanism of cutlery box of side of bead cutter side. The automatic meal blank feeding mechanism comprises a stacking bin for stacking meal blanks in a height direction and a feeding manipulator for taking out and transferring the meal blanks in the stacking bin to the edge trimmer, and the edge trimmer carries out edge trimming on the meal blanks transferred by the feeding manipulator so as to process the meal blanks into meal boxes; the automatic lunch box blanking mechanism comprises a lunch box conveying line, a blanking manipulator and a lifting and descending device, wherein the lifting and descending device comprises bearing frameworks which are positioned above the lunch box conveying line and staggered with each other and a lifting and descending driver for driving the bearing frameworks to perform lifting motion in the height direction; the blanking manipulator takes out the meal boxes at the edge trimmer and transfers the meal boxes to the bearing framework, the bearing framework places the meal boxes on the meal box conveying line under the action of the lifting and descending driver, and the meal box conveying line conveys the meal boxes to a next station.

Preferably, the meal blank automatic feeding mechanism further comprises a first feeding frame, a jacking device and a second feeding frame, the stacking bin is slidably arranged on the first feeding frame along the length direction of the first feeding frame, the jacking device comprises a jacking piece and a jacking driver, the jacking piece is slidably arranged on the first feeding frame along the height direction of the first feeding frame, the jacking piece is further positioned below the stacking bin and opposite to the meal blanks in the stacking bin, the jacking driver is mounted on the first feeding frame and drives the jacking piece to upwards jack the meal blanks in the stacking bin, the second feeding frame spans above the first feeding frame along the width direction of the first feeding frame, so that the second feeding frame surrounds the first feeding frame from the top and two sides of the second feeding frame, the second feeding frame is arranged side by side with the edge trimmer, the feeding manipulator is installed on the second feeding frame and located above the stacking bin correspondingly, and the feeding manipulator is responsible for taking away and transferring the meal blanks lifted by the jacking device in the stacking bin to the edge trimmer.

Preferably, the automatic meal box blanking mechanism further comprises a first blanking frame and a second blanking frame, the first blanking frame, the edge trimmer and the second feeding frame are sequentially arranged side by side along the width direction of the first feeding frame, the meal box conveying line is arranged on the first blanking frame and conveys meal boxes along the width direction of the first feeding frame, the second blanking frame crosses over the first blanking frame along the length direction of the first feeding frame, so that the second blanking frame surrounds the first blanking frame from the top and two sides of the second blanking frame, the supporting framework is arranged on the first blanking frame in a sliding manner along the height direction of the first loading frame, the lifting and descending driver is installed on the first blanking frame, and the blanking manipulator is installed on the second blanking frame and located above the bearing framework correspondingly.

Preferably, the lunch box conveying line includes a main roller shaft, a secondary roller shaft, at least two belts sleeved on the main roller shaft and the secondary roller shaft, and a driving motor for driving the main roller shaft to rotate, the main roller shaft and the secondary roller shaft are spaced from each other along a width direction of the first feeding frame, so that the belts are arranged along the width direction of the first feeding frame, all the belts are further spaced from each other along a length direction of the first feeding frame, the support frame includes a support sliding seat and support arms having the same number as the belts, each support arm is located above a corresponding belt, each support arm is staggered from a corresponding belt, the support sliding seat is slidably disposed on the first discharging frame and fixedly connected with the support arms, and a plurality of guide partition plates are mounted on the first discharging frame, all the guide partition plates are arranged in a spaced mode along the length direction of the first feeding frame, a guide channel is defined between every two adjacent guide partition plates, and a belt is arranged in each guide channel.

Preferably, the unloading manipulator contains unloading slide, unloading translation arm, unloading lift driver, vacuum suction head and translation driver, the unloading slide is followed first material loading frame's width direction cunning is located the top department of second unloading frame, unloading translation arm is located under the unloading slide, unloading lift driver assemble in on the unloading slide and order about unloading translation arm is close to or keeps away from bearing skeleton's motion, vacuum suction head assemble in on the unloading translation arm and protrusion down the unloading translation arm, the translation driver orders about the unloading slide in reciprocating translation on the second unloading frame.

Preferably, the offline trimming machine for meal boxes of the present invention further comprises a waste material conveying line for conveying waste materials along the length direction of the first feeding frame, the waste material conveying line is located between the lifting and lowering device and the trimming machine along the width direction of the first feeding frame, the vacuum suction head comprises a waste suction head and a meal box suction head which are spaced apart from each other, the waste suction head and the meal box suction head are respectively assembled on the blanking translation arm, and the waste suction head takes out the waste materials of the trimming machine and conveys the waste materials to the waste material conveying line under the coordination of the translation driver and the blanking lifting driver.

Preferably, meal base automatic feeding mechanism still contains flexible brush, pile up the feed bin and contain the feed bin skeleton and by the feed bin skeleton encloses out and the accent is the chamber of piling up, the feed bin skeleton is slided and is located on the first material loading frame, the brush install in on the feed bin skeleton and protruding in pile up in the accent in chamber, the brush still in the direction of height with it is aligned to pile up the edge of the meal base in the intracavity.

Preferably, the feed bin skeleton contain the bottom slide and install in stand on the bottom slide, the stand is in be the matrix arrangement on the bottom slide, the stand with the bottom slide encloses out two row at least jointly pile up the chamber, be located adjacent two rows it has to pile up the column mouting between the chamber the brush.

Preferably, the feeding manipulator comprises a feeding slide seat, a feeding translation arm, a first lifting driver, a first suction nozzle, a second lifting driver for driving the second suction nozzle to lift, and a translation motor installed on the second feeding frame, the feeding slide seat is slidably installed at the top of the second feeding frame along the width direction of the first feeding frame, the feeding translation arm is located right below the feeding slide seat, the first lifting driver is installed on the feeding slide seat and drives the feeding translation arm to move close to or away from the stacking bin, the first suction nozzle is installed on the feeding translation arm and protrudes downward from the feeding translation arm, the first suction nozzle abuts against a first side edge of the top surface of the uppermost dinnerware in the stacking bin during the process that the feeding translation arm is close to the stacking bin, the second lifting driver is assembled on the feeding translation arm, the second suction nozzle with the first suction nozzle is spaced apart from each other, the first suction nozzle is lower than the second suction nozzle, the second suction nozzle is assembled in the output of second lifting driver, just the second suction nozzle still arranges downwards, the second suction nozzle is in the second side of the top surface of the top side of sucking the top side of the food blank under the effect of the second lifting driver and makes this second side upwards pulled up, the brush is in the second suction nozzle upwards pulls up the second side in-process of the top surface of the top side of the sucked top side of the food blank and crosses the second side of the top surface of this food blank and scrapes the next-door neighbour's food blank of keeping off to make mutual separation between the food blank of the top side and the next-door neighbour of the below, the translation motor orders about the feeding slide in reciprocating translation on the second feeding frame.

Preferably, the automatic food blank feeding mechanism further comprises an air blowing nozzle, the air blowing nozzle is assembled on the feeding translation arm and arranged downwards, and the air blowing nozzle is further located beside the second suction nozzle

Compared with the prior art, the automatic meal blank feeding mechanism comprising the stacking bin and the feeding manipulator is used for stacking meal blanks in batches on the stacking bin, so that the storage capacity of the meal blanks is improved, the meal blanks in the stacking bin are sequentially and automatically taken out and conveyed to the edge trimmer by the feeding manipulator, and the edge trimmer is used for trimming the meal blanks, so that the trimmed meal blanks form a meal box; by means of an automatic lunch box blanking mechanism comprising a lunch box conveying line, a lifting and descending device and a blanking manipulator, the blanking manipulator automatically takes out and transfers the lunch boxes of the edge trimmer to a supporting framework of the lifting and descending device in sequence, and under the coordination of a lifting and descending driver, the blanking manipulator transfers the lunch boxes of the edge trimmer to the supporting framework to be stacked one by one in a stacked manner, so that the purpose of storing the lunch boxes in the supporting framework in batches is realized; when the lunch boxes stored in batches are driven by the lifting and descending driver to descend below the lunch box conveying line, the lunch boxes on the supporting framework are transferred to the lunch box conveying line, and the lunch boxes are conveyed to the next station by the lunch box conveying line; therefore, the offline trimming machine for the meal boxes can realize the purposes of automatically feeding the meal blanks and automatically trimming the meal blanks to form the meal boxes and automatically blanking the meal boxes.

Drawings

Fig. 1 is a schematic perspective view of an off-line trimming machine for lunch boxes according to the present invention.

Fig. 2 is a schematic plan view of the automatic feeding mechanism for food blanks shown in fig. 1 after projection in the direction indicated by arrow a.

Fig. 3 is a schematic perspective view of the automatic feeding mechanism of the food blank in the offline trimming machine for meal boxes, after hiding the second feeding frame and the feeding manipulator.

Fig. 4 is a schematic perspective view of the automatic feeding mechanical loading manipulator of the food blank in the offline trimming machine for food boxes after the translation motor is hidden.

Fig. 5 is a schematic perspective view of the feeding manipulator shown in fig. 4 when the feeding manipulator sucks the food blanks.

Fig. 6 is a partial schematic view showing the relationship between the first suction nozzle, the second suction nozzle, the blowing nozzle and the brush of the automatic feeding mechanism of the dinning box off-line edge trimmer of the present invention and the dinning blanks in the stacking chamber of the stacking bin.

Fig. 7 is a schematic plan view of the automatic feeding mechanism for lunch boxes shown in fig. 1 after projection in the direction indicated by arrow a.

Fig. 8 is a schematic perspective view of the automatic discharging mechanism of the lunch box in the offline trimming machine for lunch boxes according to the present invention after hiding the second discharging frame and the discharging manipulator.

FIG. 9 is a schematic structural diagram of the conveying line of the automatic discharging mechanism for meal boxes in the offline edge trimmer for meal boxes according to the present invention.

FIG. 10 is a schematic view of the structure of the scrap conveyor line in the offline trimming machine for meal boxes according to the present invention

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements.

Referring to fig. 1 and 8, the offline trimming machine 1000 for meal boxes according to the present invention includes a trimming machine 300, and an automatic meal blank feeding mechanism 100 and an automatic meal box discharging mechanism 500 located beside the trimming machine 300. preferably, the automatic meal blank feeding mechanism 100, the trimming machine 300 and the automatic meal box discharging mechanism 500 are arranged side by side in sequence along the same direction (e.g., the direction indicated by arrow B), so as to arrange them in a row to obtain the advantage of more compact structure layout, but not limited thereto. The automatic meal blank feeding mechanism 100 includes a stacking magazine 20 in which meal blanks 200 are stacked in a height direction, and a feeding robot 50 for taking out and transferring the meal blanks 200 in the stacking magazine 20 to the edge trimmer 300. The edge trimmer 300 performs an edge trimming process on the meal blanks 200 transferred by the feeding manipulator 50 to process the meal blanks 200 into the meal boxes 400, preferably, the edge trimmer 300 is an oil pressure edge trimmer to obtain a larger edge trimming power, but is not limited thereto. The automatic meal box blanking mechanism 500 comprises a meal box conveyor line 2, a blanking manipulator 5 and a lifting and descending device 4, wherein the lifting and descending device 4 comprises a supporting framework 4a which is positioned above the meal box conveyor line 2 and staggered with each other and a lifting and descending driver 4b for driving the supporting framework 4a to do lifting movement in the height direction (i.e. the direction indicated by the arrow C); the blanking manipulator 5 takes out the lunch box 400 at the edge trimmer 300 and transfers the lunch box 400 onto the supporting framework 4a, the supporting framework 4a places the lunch box 400 on the lunch box conveyor line 2 under the action of the lifting and lowering driver 4b, and the lunch box conveyor line 2 conveys the lunch box 400 to the next station, for example but not limited to the lunch box container. More specifically, the following:

referring to fig. 1 to 3, the automatic feeding mechanism 100 further includes a first feeding frame 10, a lifting device 30, and a second feeding frame 40. The stacking magazine 20 is slidably disposed on the first feeding frame 10 along a length direction (i.e., a direction indicated by an arrow a) of the first feeding frame 10, so that the stacking magazine 20 can slidably move on the first feeding frame 10 to exchange positions for storing the meal blanks 200, such as a stacking cavity 20b described below; preferably, the stacking bin 20 is slidably disposed on the top of the first loading frame 10, but is not limited thereto. The jacking device 30 comprises a jacking piece 30a and a jacking driver 30b, wherein the jacking piece 30a is slidably arranged on the first feeding frame 10 along the height direction of the first feeding frame 10, so that the jacking piece 30a can perform lifting sliding on the first feeding frame 10; the jacking member 30a is also located under the stacking bin 20 and opposite to the meal blanks 200 in the stacking bin 20, so that the jacking member 30a can lift the meal blanks 200 in the stacking bin 20 upwards. The lift driver 30b is installed to the first loading frame 10 and drives the lift piece 30a to lift the meal blanks 200 in the stacking bin 20 upward. The second loading frame 40 is disposed over the first loading frame 10 in the width direction of the first loading frame 10 (i.e., the direction indicated by the arrow B), so that the second loading frame 40 surrounds the first loading frame 10 from the top and both sides thereof, as shown in fig. 2 and 3. The feeding manipulator 50 is installed on the second feeding frame 40 and located above the stacking bin 20, and the feeding manipulator 50 is responsible for taking the meal blanks 200 held by the jacking device 30 in the stacking bin 20 and transferring the meal blanks to the edge trimmer 300. The stacking bin 20 is used for facilitating batch stacking of the meal blanks 200 on the stacking bin 20, so that the storage capacity is improved; meanwhile, the stacking bin 20 is slidably arranged on the first feeding frame 10, so that the positions (such as the stacking cavity 20b) of the stacking bin 20 for stacking the meal blanks 200 can be conveniently exchanged, new meal blanks 200 can be conveniently added to the positions of the meal blanks 200 after the meal blanks are taken out, and the work continuity is improved; each meal blank 200 in the stacking bin 20 is lifted up to a proper position by the lifting device 30, so that the reliability of the loading manipulator 50 for grabbing the meal blank 200 at a time is ensured, and the meal blank 200 is reliably conveyed to the edge trimmer 300 by the loading manipulator 50, and therefore, the automatic meal blank feeding mechanism 100 can automatically feed the meal blanks 200 to the edge trimmer 300. In detail, the following:

as shown in fig. 2 and 3, the automatic feeding mechanism 100 for food blanks further comprises a flexible brush 60, the stacking bin 20 comprises a bin frame 20a and a stacking cavity 20b enclosed by the bin frame 20a and having an upward opening 21, the bin frame 20a is slidably disposed on the first feeding frame 10, the brush 60 is mounted on the bin frame 20a, preferably, the brush 60 is arranged along a horizontal direction, and protrudes into the mouth 21 of the stacking chamber 20b, the brush 60 is also aligned in the height direction with the edge of the meal blank 200 in the stacking chamber 20b (e.g., the second side edge of the top surface of the meal blank 200 described below), so that when the loading manipulator 50 takes the meal blanks 200 in the stacking cavity 20b out of the cavity opening 21 upwards, the brush 60 scrapes the lower side of the two adjacent meal blanks 200, so that the two adjacent meal blanks 200 are separated from each other, and the reliability of taking out the meal blanks 200 in the stacking cavity 20b one by one is ensured. Specifically, the stock bin framework 20a includes a bottom sliding seat 22 and columns 23 mounted on the bottom sliding seat 22, the columns 23 are arranged in a matrix on the bottom sliding seat 22, the columns 23 and the bottom sliding seat 22 together enclose at least two rows of stacking cavities 20b to improve the storage capacity and reduce the weight of the stock bin framework 20a, and sufficient avoiding space is provided for the feeding manipulator 50 between the columns 23; the vertical column 23 located between two adjacent rows of stacking cavities 20b is provided with the brushes 60, preferably, the same vertical column 23 located between two adjacent rows of stacking cavities 20b is provided with four brushes 60, and the four brushes 60 enclose an X shape together, as shown in fig. 3, so as to improve the reliability of the brushes 60 for separating each meal blank 200, but not limited thereto. More specifically, as shown in fig. 3, the jacking piece 30a includes a lifting carriage 31 and a jacking column 32 located in the first feeding frame 10, two opposite sides of the lifting carriage 31 are slidably disposed on the first feeding frame 10, and the lifting carriage 31 is supported by the first feeding frame 10, so as to increase the reliability of the lifting and sliding of the lifting carriage 31; the lift column 32 is attached to the lift carriage 31 so that the lift column 32 is fixed to the lift carriage 31. The lifting driver 30b drives the lifting carriage 31 to lift through belt transmission, and the lifting carriage 31 drives the lifting column 32 to lift together to lift the meal blank 200 in the stacking cavity 20 b. For example, the jacking driver 30b is a motor, which converts the rotation of the jacking driver 30b into linear sliding movement for driving the lifting carriage 31, but not limited thereto. It can be understood that the jacking driver 30b can drive the lifting carriage 31 to slide by a chain drive according to actual needs, and is not limited thereto.

As shown in fig. 2, 4, 5 and 6, the loading robot 50 includes a loading slide 51, a loading translation arm 52, a first lifting driver 53, a first suction nozzle 54, a second suction nozzle 55, a second lifting driver 56 for driving the second suction nozzle 55 to lift, and a translation motor 57 (see fig. 1) mounted on the second loading frame 40. The feeding slide 51 is slidably disposed at the top of the second feeding frame 40 along the width direction of the first feeding frame 10, so that the feeding slide 51 can move in a translational manner on the second feeding frame 40. The feeding translation arm 52 is located right below the feeding slide 51, and the first lifting driver 53 is assembled on the feeding slide 51 and drives the feeding translation arm 52 to move close to or away from the stacking bin 20, so that the feeding translation arm 52 is assembled with the feeding slide 51 through the first lifting driver 53, and the feeding translation arm 52 and the first lifting driver 53 translate together on the second feeding frame 40 along with the feeding slide 51. The first suction nozzle 54 is assembled on the feeding translation arm 52 and protrudes downwards from the feeding translation arm 52, and preferably, the first suction nozzle 54 is installed at the bottom of the feeding translation arm 52, so that the first suction nozzle 54 is prevented from being installed at the top of the feeding translation arm 52 to increase the height dimension of the first suction nozzle 54; the first suction nozzle 54 is pressed against the uppermost one of the meal blanks 200 in the stacking chamber 20b during the approach of the loading translation arm 52 to the stacking magazine 20. The second lifting driver 56 is mounted on the feeding translation arm 52, and the feeding translation arm 52 provides support for the second lifting driver 56, preferably, the second lifting driver 56 is mounted at the top of the feeding translation arm 52, and the second lifting driver 56 is also arranged side by side with the side wall of the feeding translation arm 52, so that the space occupied by the second lifting driver 56 on the feeding translation arm 52 can be reduced, but not limited thereto. The second suction nozzle 55 and the first suction nozzle 54 are spaced apart from each other, the first suction nozzle 54 is lower than the second suction nozzle 55, the second suction nozzle 55 is fitted to an output end of the second elevation driver 56, and the second suction nozzle 56 is also arranged downward so that the first suction nozzle 54 is lower than the second suction nozzle 55 in the initial position, during the movement of the feeding translation arm 52 close to the stacking magazine 20, so that the first suction nozzle 54 is pressed against the first side edge of the top surface of the uppermost food blank 200 in the stacking cavity 20b earlier than the second suction nozzle 55, the second suction nozzle 56 is driven by the second lifting driver 56 to reach the second side of the top surface of the uppermost food blank 200 in the adsorption stacking cavity 20b, and sucks the second side of the top surface of the uppermost food blank 200, that is, the second suction nozzle 55 sucks the second side edge of the top surface of the uppermost food blank 200 by the second elevating driver 56 and pulls up the second side edge of the top surface of the food blank 200. The brush 60 goes over the second side edge of the top surface of the food dough 200 and scrapes the food dough 200 immediately below during the process of pulling up the second side edge of the top surface of the sucked uppermost food dough 200 by the second suction nozzle 55, so that the uppermost food dough 200 and the food dough 200 immediately below are separated from each other. The translation motor 57 drives the feeding slide 51 to perform reciprocating translation on the second feeding frame 40, so as to meet the requirement that the feeding slide 51 finally drives the first suction nozzle 54 and the second suction nozzle 55 to slide to the position right above the stacking cavity 20 b. Specifically, as shown in fig. 6, in order to improve the reliability of separation between the uppermost meal blank 200 and the meal blank 200 immediately below in the stacking cavity 20b, the automatic meal blank feeding mechanism 100 further includes an air blowing nozzle 58, the air blowing nozzle 58 is mounted on the feeding translation arm 52 and arranged downward, and the air blowing nozzle 58 is further located beside the second suction nozzle 56; therefore, when the second suction nozzle 56 pulls up the second side edge of the top surface of the uppermost food blank 200 in the stacking cavity 20b, the air blowing nozzle 58 blows air between the uppermost food blank 200 and the immediately lower food blank 200 in the stacking cavity 20b, and the vacuum between the uppermost food blank 200 and the immediately lower food blank 200 is broken, so that the uppermost food blank 200 and the immediately lower food blank 200 in the stacking cavity 20b are separated more smoothly and reliably, but the invention is not limited thereto. More specifically, as shown in fig. 2, 4 and 5, the feeding translation arm 52 includes at least two cantilever arms 52a arranged side by side in a spaced apart relationship with each other along the length direction (i.e., the direction indicated by the arrow a) of the first feeding frame 10, and a base arm 52b fixing the cantilever arms 52a together. The base arm 52b is mounted at the output end of the first elevating driver 53, and each of the cantilevers 52a is mounted with a first suction nozzle 54, a second suction nozzle 55 and a second elevating driver 56, so as to increase the number of food blanks 200 taken out each time. Preferably, in the same suspension arm 52a, the first suction nozzles 54 are two and spaced apart from each other in the length direction of the suspension arm 52a, the second suction nozzles 55 are two and spaced apart from each other in the length direction of the suspension arm 52a, and all the second suction nozzles 55 are located between the first suction nozzles 54, and each second suction nozzle 55 is corresponding to one second lifting driver 56, so that the first suction nozzle 54 and the second suction nozzle 55 on each suspension arm 52a can suck two meal blanks 200, but not limited thereto. For example, the first lifting driver 53 and the second lifting driver 56 are cylinders, but of course, hydraulic cylinders or linear motors are selected according to actual requirements, and thus, the invention is not limited thereto.

As shown in fig. 4 and 5, in order to improve the lifting and translating reliability and smoothness of the feeding and translating arm 52, the feeding robot 50 further includes lifting and guiding assemblies 59 located beside the first lifting and translating drivers 53, preferably, the lifting and guiding assemblies 59 are respectively located around the first lifting and translating drivers 53, and the output ends of the first lifting and translating drivers 53 are arranged downward to increase the lifting and translating smoothness of the feeding and translating arm 52, but not limited thereto; specifically, the lifting guide assembly 59 includes a lifting guide rod 591 and a lifting guide sleeve 592, the lifting guide rod 591 is installed at one of the feeding translation arm 52 and the feeding slide 51, the lifting guide sleeve 592 is installed at the other of the feeding translation arm 52 and the feeding slide 51, and the lifting guide sleeve 592 is slidably sleeved on the lifting guide rod 591, so as to simplify the structure of the lifting guide assembly 59.

Referring to fig. 1 to 6, in the feeding manipulator 50, with the aid of the feeding slide 51, the feeding translation arm 52, the first lifting driver 53, the first suction nozzle 54, the second suction nozzle 55, the second lifting driver 56, the translation motor 57, and the brush 60, when the translation motor 57 finally slides the first suction nozzle 54 and the second suction nozzle 55 to the position right above the stacking cavity 20b, the first lifting driver 53 drives the feeding translation arm 52 to move close to the stacking bin 20, so that the first suction nozzle 54 is firstly pressed against the first side edge of the top surface of the uppermost food blank 200 in the stacking cavity 20b, and the second side edge of the top surface of the uppermost food blank 200 in the stacking cavity 20b is tilted upward; at this time, the second lifting driver 56 drives the second suction nozzle 55 to descend until the second suction nozzle 55 can suck the second side edge of the top surface of the uppermost meal blank 200 in the stacking cavity 20 b; then, when the second suction nozzle 55 sucks the second side edge of the top surface of the uppermost food blank 200 in the stacking cavity 20b, the second lifting driver 56 drives the second suction nozzle 55 to lift up so as to pull up the second side edge of the top surface of the uppermost food blank 200 in the stacking cavity 20b, so that the second side edge of the top surface of the upwardly pulled food blank 200 crosses the brush 60 and is located above the brush 60, and the brush 60 scrapes off the food blank 200 adjacent below, so that the uppermost food blank 200 and the food blank 200 adjacent below are separated from each other; finally, the first lifting driver 53 drives the feeding translation arm 52 to move away from the stacking bin 20, and the feeding translation arm 52 drives the first suction nozzle 54 and the second suction nozzle 55 to take out the uppermost meal blank 200; after the meal blanks 200 are taken out from the stacking cavity 20b, the translation motor 57 finally drives the first suction nozzle 54 and the second suction nozzle 55 to jointly send the sucked meal blanks 200 into the edge trimmer 300; the above processes are repeated continuously, so that the purpose of separating, taking out and conveying the meal blank 200 to the edge trimmer 300 layer by layer can be achieved. It should be noted that, in the process that the loading manipulator 50 sucks the meal blanks 200 in the stacking cavity 20b, the jacking device 30 lifts the meal blanks 200 in the stacking cavity 20b upwards, so as to better meet the grabbing requirement of the loading manipulator 50 for the meal blanks 200.

Referring to fig. 1, 7 and 8, the automatic lunch box discharging mechanism 500 further includes a first discharging frame 1 and a second discharging frame 3, and the first discharging frame 1, the edge trimmer 300 and the second feeding frame 40 are sequentially arranged side by side along the width direction of the first feeding frame 10, so that the edge trimmer 300 is located between the first discharging frame 1 and the second feeding frame 40. The lunch box conveyor line 2 is installed on the first unloading frame 1 and conveys the lunch boxes 400 in the width direction (i.e. the direction indicated by the arrow B) of the first loading frame 10 to convey the lunch boxes 400 to the next station. The second discharging frame 3 crosses over the first discharging frame 1 along the length direction of the first feeding frame 10 (i.e. the direction indicated by the arrow a), so that the second discharging frame 3 surrounds the first discharging frame 1 from the top and two sides thereof, as shown in fig. 1, thereby making the layout between the first discharging frame 1 and the second discharging frame 3 more reasonable and compact. The supporting frame 4a is slidably disposed on the first unloading frame 1 along the height direction (i.e. the direction indicated by the arrow C) of the first loading frame 10, so that the supporting frame 4a can place the lunch box 400 on the lunch box conveyor line 2 when sliding downward below the lunch box conveyor line 2, or can support the lunch box 400 taken by the unloading robot 5 when sliding upward above the lunch box conveyor line 2. The lifting and lowering driver 4b is attached to the first blanking frame 1. The blanking manipulator 5 is arranged on the second blanking frame 3 and is positioned above the corresponding bearing framework 4 a. Specifically, as shown in fig. 1, 8 and 9, the lunch box conveyor line 2 includes a main roller shaft 2a, a secondary roller shaft 2b, at least two belts 2c sleeved on the main roller shaft 2a and the secondary roller shaft 2b, and a driving motor 2d for driving the main roller shaft 2a to rotate. The main roller 2a and the sub roller 2b are spaced apart from each other in the width direction of the first loading frame 10, so that the belt 2c is arranged in the width direction of the first loading frame 10, the structure of the lunch box conveyor line 2 is simplified, and the lunch box conveyor line 2 can more reliably convey the lunch boxes 400, but not limited thereto. All the belts 2c are also spaced from each other in the length direction of the first loading frame 10; bearing frame 4a contains bearing slide 411 and the same bearing arm 412 of quantity and belt 2c, every bearing arm 412 is located a belt 2 c's that corresponds top, and every bearing arm 412 staggers each other with a belt 2c that corresponds, bearing slide 411 cunning locate on first unloading frame 1 and with bearing arm 412 fixed connection, the purpose of design like this has increased bearing frame 4a to the temporary storage ability of the cutlery box 400 that unloading manipulator 5 forwarded, and the ability of cutlery box 400 is carried to cutlery box transfer chain 2, still be convenient for the sequencing packing of cutlery box 400. A plurality of guide partition plates 6 are installed on the first discharging frame 1, all the guide partition plates 6 are arranged along the length direction of the first charging frame 10 in a spaced manner, a guide channel 7 is enclosed between two adjacent guide partition plates 6, and a belt 2c is arranged in each guide channel 7, so that the reliability of conveying the lunch boxes 400 by the lunch box conveying line 2 is improved, but not limited thereto. For example, the lifting and lowering driver 4b is a rotating motor, and the rotating motor drives the bearing framework 4a to lift through belt transmission, and of course, according to actual needs, the rotating motor can also drive the bearing framework 4a to lift through chain transmission; preferably, as shown in fig. 7, the way of driving the supporting framework 4a by the rotating motor through belt transmission is: the lifting main belt wheel 4c and the lifting auxiliary belt wheel 4d which are mutually spaced in the height direction are installed on the first blanking frame 1, the lifting main belt wheel 4c and the lifting auxiliary belt wheel 4d are sleeved with the lifting belt 4e, and the bearing sliding seat 411 of the bearing framework 4a is fixedly connected with the lifting belt 4e, so that in the process that the rotating motor drives the lifting main belt wheel 4c to rotate, the lifting belt 4e rotates in a rotating mode under the cooperation of the lifting auxiliary belt wheel 4d, and the lifting belt 4e which rotates drives the bearing framework 4a to lift, so that the limitation is not taken.

As shown in fig. 1 and 7, the feeding robot 5 includes a feeding slide 5a, a feeding translation arm 5b, a feeding lift driver 5c, a vacuum suction head 5d, and a translation driver 5 e. The blanking slide 5a is slidably disposed at the top of the second blanking frame 3 along the width direction of the first feeding frame 10, so that the blanking slide 5a slides on the first blanking frame 1. The blanking translation arm 5b is positioned right below the blanking slide carriage 5a, and the blanking lifting driver 5c is assembled on the blanking slide carriage 5a and drives the blanking translation arm 5b to move close to or far away from the bearing framework 4 a. The vacuum suction head 5d is assembled on the discharging translation arm 5b and protrudes downwards out of the discharging translation arm 5b so as to facilitate the suction of the lunch box 400 by the vacuum suction head 5 d. The translation driver 5e drives the blanking slide 5a to make reciprocating translation on the second blanking frame 3. Specifically, the offline trimming machine 1000 for meal boxes of the present invention further comprises a scrap conveyor 600 for conveying scrap along the length direction of the first loading frame 10, wherein the scrap conveyor 600 is located between the lifting and lowering device 4 and the trimming machine 300 along the width direction of the first loading frame 10; the vacuum suction head 5d comprises a waste suction head 511 and a meal box suction head 512 which are spaced from each other, the waste suction head 511 and the meal box suction head 512 are respectively assembled on the blanking translation arm 5b, the waste suction head 511 takes out the waste of the edge trimmer 300 and transfers the waste to the waste conveyor line 600 under the coordination action of the translation driver 5e and the blanking lifting driver 5c, and similarly, the meal box suction head 512 takes out the meal box 400 of the edge trimmer 300 and transfers the meal box to the supporting framework 4a under the coordination action of the translation driver 5e and the blanking lifting driver 5c, so that the waste is taken away together when the meal box 400 of the edge trimmer 300 is taken out, and the efficiency is higher.

As shown in fig. 1 and 7, in order to better transfer the scraps at the edge trimmer 300 to the scrap line 600 and collect the scraps, the offline edge trimmer 1000 of the invention further includes a scrap chute 700 and a scrap collecting container 800, the scrap chute 700 is obliquely disposed between the edge trimmer 300 and the scrap line 600, and the scrap collecting container 800 is located beside the scrap line 600 along the conveying direction of the scrap line 600 (i.e., the length direction of the first loading frame 10). For example, as shown in fig. 10, the waste conveyor line 600 includes a conveying motor 610, a conveying belt 620, a waste primary pulley 630 and a waste secondary pulley 640, the waste primary pulley 630 and the waste secondary pulley 640 are spaced apart from each other along a length direction of the first feeding frame 10 and are respectively installed at the first blanking frame 1, the conveying belt 620 is sleeved on the waste primary pulley 630 and the waste secondary pulley 640, and the conveying motor 610 is installed at the first blanking frame 1 and drives the waste primary pulley 630 to rotate, so as to simplify a structure of the waste conveyor line 600.

Meanwhile, as shown in fig. 4 and 5, the discharging translation arm 5b includes at least two suspension arms 521 spaced apart from each other in the length direction of the first feeding frame 10 and a translation base 522 for fixing the suspension arms 521 together, the translation base 522 is installed at the output end of the discharging lifting driver 5c, and each suspension arm 521 is installed with a waste suction head 511 and a waste suction head 512, so as to improve the capacity of taking away the waste from the meal box 400, but not limited thereto. For example, the translation driver 5e is a stepping motor, and the stepping motor drives the blanking slide carriage 5a to translate on the second blanking frame 3 through belt transmission or chain transmission; preferably, as shown in fig. 9, the manner of driving the blanking slide 5b by the stepping motor through belt transmission is as follows: the top of the second discharging frame 3 is provided with a translation main belt wheel 5f and a translation secondary belt wheel 5g which are spaced from each other along the width direction of the first feeding frame 10, the translation main belt wheel 5f and the translation secondary belt wheel 5g are sleeved with a translation belt 5h, and the discharging slide carriage 5a is fixedly connected with the translation belt 5h, so that in the process that the stepping motor drives the translation main belt wheel 5f to rotate, and under the coordination of the translation secondary belt wheel 5g, the translation belt 5h rotates in a rotating manner, so that the translation belt 5h which rotates in a rotating manner drives the discharging slide carriage 5a to slide on the second discharging frame 3, and finally the vacuum suction head 5d moves to the position right above the edge cutting machine 300 or the bearing framework 4a, so that the invention is not limited thereto.

In the automatic lunch box blanking mechanism 500, the second blanking frame 3 is used for crossing over the first blanking frame 1 along the length direction of the first feeding frame 10, and the second blanking frame 3 surrounds the first blanking frame 1 from the top and two sides thereof, so that the lunch box conveying line 2 and the lifting and descending device 4 which are arranged on the first blanking frame 1 and the blanking manipulator 5 which is arranged on the second blanking frame 3 are reasonably and compactly arranged in space, and the working coordination continuity of the lunch box conveying line and the lifting and descending device is improved; with the help of the cooperation of the blanking manipulator 5 and the lifting and descending device 4, the blanking manipulator 5 takes away the lunch boxes 400 of the edge trimmer 300 and places the lunch boxes on the supporting framework 4a of the lifting and descending device 4 in batches, and the lifting and descending driver 4b drives the supporting framework 4a to descend downwards, so that the lunch boxes 400 on the supporting framework 4a are placed on the lunch box conveyor line 2 by the supporting framework 4a descending downwards, and the lunch box conveyor line 2 conveys the lunch boxes to the next station, thereby achieving the purpose of automatic blanking of the lunch boxes 400.

Compared with the prior art, the automatic meal blank feeding mechanism 100 comprising the stacking bin 20 and the feeding manipulator 50 is used for stacking meal blanks 200 on the stacking bin 20 in batch in a stacking mode, so that the storage capacity of the meal blanks 200 is improved, the meal blanks 200 in the stacking bin 20 are sequentially and automatically taken out and conveyed to the edge trimmer 300 through the feeding manipulator 50, the meal blanks 200 are trimmed through the edge trimmer 300, and the trimmed meal blanks 200 form the meal box 400; with the help of the automatic lunch box blanking mechanism 500 comprising the lunch box conveyor line 2, the lifting and descending device 4 and the blanking manipulator 5, the blanking manipulator 5 automatically takes out the lunch boxes 400 of the edge trimmer 300 in sequence and transfers the lunch boxes to the supporting framework 4a of the lifting and descending device 4, and under the coordination of the lifting and descending driver 4b, the blanking manipulator 5 transfers the lunch boxes 400 of the edge trimmer 300 to the supporting framework 4a to be stacked one by one in a stacking manner, so that the lunch boxes 400 can be stored in the supporting framework 4a in batch; when the lifting and descending driver 4b drives the supporting framework 4a to descend downwards to the lower part of the lunch box conveyor line 2, the lunch boxes 400 stored in batch are transferred to the lunch box conveyor line 2 from the supporting framework 4a, and the lunch boxes 400 are conveyed to the next station by the lunch box conveyor line 2; therefore, the offline trimming machine 1000 for meal boxes of the present invention can achieve the purpose of automatically feeding the meal blanks 200 and automatically trimming the meal blanks 200 to form the meal boxes 400 and automatically blanking the meal boxes 400.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.