CN219339817U - Prefabricated dish ration equipment for packing - Google Patents

Abstract

The utility model discloses prefabricated dish quantitative packaging equipment which comprises a workbench, a rectangular frame, a first U-shaped frame, a second U-shaped frame, a third U-shaped frame, a movable positioning mechanism, a box cover mechanism, a quantitative dish distribution mechanism, a dish box conveying mechanism and a controller. The utility model discloses can accurate ration add prefabricated dish to the dish box in, make the weight of every box prefabricated dish after the packing unanimous, avoid the process of secondary weighing, practice thrift the labour, simultaneously, can pinpoint dish box and lid, realize accurate encapsulation, whole in-process degree of automation is high, difficult emergence mechanical failure.

Description

Prefabricated dish ration equipment for packing

Technical Field

The utility model relates to a prefabricated dish equipment technical field, concretely relates to prefabricated dish ration equipment for packing.

Background

The prefabricated vegetable, also called prefabricated conditioning food, is generally a semi-finished product which is prepared by taking various agricultural, livestock, poultry and aquatic products as raw and auxiliary materials, adding auxiliary materials (containing food additives) such as seasonings and the like, and carrying out preselection, modulation and other processes.

One way adopted by modern standardized prefabricated vegetable packaging line production is to place prefabricated vegetable boxes on a conveyor, enable the prefabricated vegetable boxes to sequentially pass through a feeding station and a packaging station along with the movement of the conveyor, add processed prefabricated vegetable into the prefabricated vegetable boxes and seal the upper ends of the prefabricated vegetable boxes by using sealing films. However, the technical difficulties are as follows: the difficulty in accurately controlling the weight of the prepared vegetables during the process of adding the prepared vegetables, the weight of each box of prepared vegetables is different, and the additional weighing and the adding of labels are required, which clearly increases the labor amount.

In order to solve the technical problems, the utility model with the application number of CN202320251481.8 discloses a prefabricated vegetable production and packaging device, which comprises a feeding mechanism and a packaging mechanism, wherein the feeding mechanism comprises a feeding conveyor belt for conveying prefabricated vegetable boxes; the packing mechanism comprises a first frame; the conveying chain plate is circularly conveyed and arranged on the first frame, and is provided with a placing through groove, and the conveying direction of the placing through groove is perpendicular to the conveying direction of the feeding conveying belt; the first top plate is lifted and arranged on the first frame and positioned below the end section of the conveying chain plate, and passes through the placing through groove after being lifted and lowered; the electric clamping jaw is movably arranged on the first frame and is positioned above the conveying chain plate, and the moving direction of the electric clamping jaw is parallel to the conveying direction of the conveying chain plate; the first sucker moves and is arranged on the first frame in a lifting manner and is positioned on one side of the electric clamping jaw; the second sucker is arranged on the first frame in a lifting manner and is positioned below the first sucker. Through above-mentioned technical scheme, the problem that prefabricated vegetable box overcoat commodity wrapping paper shell efficiency is not high enough among the prior art is solved.

Although this document mentions quantitative addition of prepared vegetables, it does not disclose how to add the prepared vegetables quantitatively, and the whole apparatus is complicated in structure, positioning the vegetable box and the cover by the suction cup is not high in accuracy, and mechanical failure due to positioning error easily occurs.

Disclosure of Invention

The utility model provides a prefabricated dish ration equipment for packing, this equipment can accurate ration add prefabricated dish to the dish box in, make the weight of every box prefabricated dish after the packing unanimous, avoided the process of secondary weighing, practiced thrift the labour, simultaneously, can pinpoint dish box and lid, realize accurate encapsulation, whole in-process degree of automation is high, difficult emergence mechanical failure.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a prefabricated dish ration equipment for packing, includes the workstation, along horizontal direction fixed connection in the rectangle frame of workstation upper surface, spanes rectangle frame and from left to right first U-shaped frame, second U-shaped frame and third U-shaped frame of arranging in proper order, locates the portable positioning mechanism in the rectangle frame, connects the lid box lid mechanism on first U-shaped frame, connects quantitative dish distribution mechanism on the second U-shaped frame, connects dish box conveying mechanism and the controller on third U-shaped frame, the workstation that corresponds of lid box lid mechanism bottom on be equipped with the through-hole, the through-hole bottom be connected with the chute, the chute be connected with locating subaerial box, the upper port of through-hole be equipped with the electrically operated gate, the controller dispose to portable positioning mechanism, lid box lid mechanism, quantitative dish distribution mechanism, dish box conveying mechanism and electrically operated gate control.

Preferably, the rectangular frame in the front to the back equidistant distribution have a plurality of linear guide, adjacent linear guide's width is unanimous with the width of dish box to be used for making the dish box follow the orbit that linear guide set for and remove, portable positioning mechanism include locating frame and first actuating mechanism, the inside casing size and the shape of locating frame match with the dish box, when the dish box was located in the locating frame, the surface and the locating frame internal surface clearance fit of dish box, the dish box be cube shape structure, its size satisfies: can follow the locating frame and reciprocate and break away from with the locating frame, all dispose 1 locating frame between every adjacent linear guide, all locating frames arrange side by side and fixed connection in proper order, the outside end fixedly connected with first movable block at the locating frame of outermost, first movable block be connected with a actuating mechanism.

Preferably, the first actuating mechanism include along the first lead screw that left and right sides orientation set up, first lead screw have 2, 2 first lead screws set up respectively in the front and back sides in the rectangle frame, the both ends of first lead screw rotate with the left and right sides of rectangle frame respectively and be connected, the one end of the homonymy of 2 first lead screws all runs through the rectangle frame surface, wherein the tip of 1 first lead screw and the fixed output shaft tip fixed connection who locates the first stepper motor outside the rectangle frame, still fixedly connected with driving gear on the output shaft, the tip of another first lead screw outwards extends and fixedly connected with driven gear, driving gear and driven gear pass through chain transmission and connect, 2 first movable blocks respectively with corresponding first lead screw spiro union, under the drive of first stepper motor, the locating frame is controlled in the rectangle frame and is removed, first stepper motor pass through the wire and be connected with the controller electricity.

Preferably, the cover box cover mechanism comprises a box cover positioning frame and a gland device, wherein 1 box cover positioning frame is configured between every two adjacent linear guide rails, the distance between the bottom end of the box cover positioning frame and the upper surface of the workbench is matched with the height of a vegetable box, the adjacent box cover positioning frames are fixedly connected, the outer ends of the 2 box cover positioning frames at the outermost sides are fixedly connected with the inner surface of the side wall of the first U-shaped frame through connecting pieces, the gland device is a first electric push rod which is longitudinally arranged, the fixed end of the first electric push rod is fixedly connected with the lower surface of the top of the first U-shaped frame, the telescopic end of the first electric push rod is connected with a pressing plate which is horizontally arranged, the shape and the size of the pressing plate are matched with the box cover, the pressing plate and the box cover positioning frame are coaxially arranged, and the inner holes of the box cover positioning frames are used for positioning the box cover along the horizontal direction.

Preferably, the box cover is rectangular, each side wall of the box cover is provided with a bump, the inner wall of the box cover positioning frame is longitudinally provided with a guide groove, and the bumps are matched with the guide grooves for use.

Preferably, the quantitative dish preparing mechanism comprises a first dish preparing box and a second dish preparing box which are mutually overlapped and fixedly connected, wherein the side ends of the first dish preparing box and the second dish preparing box are respectively connected with a first feeding hopper and a second feeding hopper, a first conveying belt and a second conveying belt are respectively arranged in the first dish preparing box and the second dish preparing box, the first conveying belt and the second conveying belt are arranged along the front-back direction, a first feeding port and a second feeding port are respectively formed in the box walls of the first dish preparing box and the second dish preparing box corresponding to the rear ends of the first conveying belt and the second conveying belt, the first feeding port and the second feeding port are mutually staggered to avoid mutual interference during feeding, the first conveying belt and the second conveying belt are respectively driven by a second stepping motor and a third stepping motor fixedly arranged on the outer surface of the first dish preparing box or the outer surface of the second dish preparing box, and the second stepping motor and the third stepping motor are respectively electrically connected with the controller through wires; the top end of the first side dish box is connected with the second U-shaped frame through the second driving mechanism.

Preferably, the second driving mechanism comprises a second screw rod arranged along the front-back direction, two ends of the second screw rod are respectively connected with the side wall of the second U-shaped frame in a rotating way, one end of the second screw rod penetrates through the side wall of the second U-shaped frame and is fixedly connected with the end part of an output shaft of a fourth stepping motor fixedly connected with the outside of the second U-shaped frame, the fourth stepping motor is electrically connected with the controller through a wire, the top end of the first dish matching box is provided with a second moving block, the second moving block is in threaded connection with the second screw rod, the bottom ends of the second U-shaped frames on two sides of the second screw rod are also provided with first linear slide rails along the direction parallel to the second screw rod, and the top end of the first dish matching box is respectively in sliding connection with 2 first linear slide rails.

Preferably, the weighing sensors are embedded on the upper surfaces of the corresponding working tables between every two adjacent linear guide rails corresponding to the lower parts of the quantitative dish distribution mechanisms, the upper ends of the weighing sensors are flush with the upper surfaces of the working tables, and the weighing sensors are in signal connection with the controller through wires.

Preferably, the dish box conveying mechanism comprises a dish box conveying square pipe arranged between every two adjacent linear guide rails, the upper end of the dish box conveying square pipe penetrates through the top end of the third U-shaped frame and forms a dish box input port, the distance between the bottom end of the dish box conveying square pipe and the upper surface of the workbench is greater than the height of 1 dish box and less than the height of 2 dish boxes, and positioning devices are respectively arranged on the opposite side walls of the bottom end of the dish box conveying square pipe.

Preferably, the positioning device is a second electric push rod, the fixed end of the second electric push rod is fixedly connected with the side wall of the vegetable box conveying square tube, and the telescopic end penetrates through the side wall of the vegetable box conveying square tube and abuts against the side wall of the vegetable box at the bottommost part in the vegetable box conveying square tube.

Preferably, one end of the electric door is hinged with the side wall of the through hole and driven by a fifth stepping motor, when the electric door is closed, the upper surface of the electric door is flush with the upper surface of the workbench, and the controller is electrically connected with the electric door through a wire.

Preferably, the automatic vegetable box packaging machine further comprises a human-computer interaction device, wherein the human-computer interaction device is electrically connected with the controller through a wire, supporting legs are respectively arranged at four corners of the lower surface of the workbench, 2 second linear sliding rails penetrate through the left supporting leg and the right supporting leg, the second linear sliding rails are fixedly connected with the ground, the box body is used for containing packaged vegetable boxes, and two ends of the box body are respectively in sliding connection with the corresponding second linear sliding rails.

The utility model relates to a prefabricated dish ration equipment for packing's beneficial effect does: the utility model discloses can accurate ration add prefabricated dish to the dish box in, make the weight of every box prefabricated dish after the packing unanimous, avoid the process of secondary weighing, practice thrift the labour, simultaneously, can pinpoint dish box and lid, realize accurate encapsulation, whole in-process degree of automation is high, difficult emergence mechanical failure.

Description of the drawings:

FIG. 1, a schematic cross-sectional structural view of the present novel;

FIG. 2 is a schematic elevational view of the present novel structure;

FIG. 3 is a schematic top view of the present novel structure;

FIG. 4 is a schematic view of the structure of the novel A-A direction in partial cross section;

FIG. 5 is a schematic view of the structure of the novel B-B direction in partial section;

FIG. 6 is a cross-sectional view of the matched structure of the novel dish box and the box cover;

1. a work table; 2. a rectangular frame; 3. a first stepping motor; 4. a positioning frame; 5. a vegetable box; 6. a weighing sensor; 7. a first U-shaped frame; 8. a second U-shaped frame; 9. a third U-shaped frame; 10. a first side dish box; 11. a first feed hopper; 12. a first linear slide rail; 13. a second moving block; 14. a second lead screw; 15. a second side dish box; 16. support legs; 17. the vegetable box conveying square tube; 18. a second electric push rod; 19. a first electric push rod; 20. a pressing plate; 21. a box cover positioning frame; 22. a box cover; 23. a through hole; 24. an electric door; 25. a chute; 26. the second linear slide rail; 27. a case; 28. a second feed hopper; 29. a fourth stepping motor; 30. a drive gear; 31. a driven gear; 32. a chain; 33. a first lead screw; 34. a vegetable box input port; 35. a linear guide rail; 36. a first conveyor belt; 37. a first feed port; 38. a second conveyor belt; 39. a second feed port; 40. a rib; 41. a groove.

The specific embodiment is as follows:

the following detailed description of the embodiments of the present utility model in a stepwise manner is merely a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model should be included in the scope of the present utility model.

In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, and specific azimuth configuration and operation, and thus should not be construed as limiting the present utility model.

In an initial embodiment, the utility model relates to a prefabricated dish quantitative packaging equipment, as shown in fig. 1-6, including workstation 1, along horizontal direction fixed connection in the rectangle frame 2 of workstation 1 upper surface, span the rectangle frame and from left to right first U-shaped frame 7, second U-shaped frame 8 and third U-shaped frame 9 of arranging in proper order, locate the portable positioning mechanism in the rectangle frame 2, connect the lid mechanism on first U-shaped frame 7, connect the ration dish mechanism on second U-shaped frame 8, connect dish box conveying mechanism and the controller (not shown in the drawing) on third U-shaped frame 9, lid mechanism bottom correspond workstation 1 on be equipped with through-hole 23, the through-hole 23 bottom be connected with chute 25, chute 25 be connected with locating subaerial box 27, the last port of through-hole 23 be equipped with electric door 24, the controller be configured to control portable positioning mechanism, lid mechanism, ration dish box conveying mechanism and electric door 24.

As shown in fig. 2, the free ends of the first U-shaped frame 7, the second U-shaped frame 8 and the third U-shaped frame 9 are fixedly connected with the upper surface of the workbench 1 respectively, and are connected with a box cover mechanism, a quantitative dish distribution mechanism and a dish box conveying mechanism respectively, the dish box conveying mechanism is used for providing a dish box, the provided dish box is driven by a movable positioning mechanism to move to a station of the quantitative dish distribution mechanism, after dish distribution is quantified, the dish box is driven by the movable positioning mechanism to move to the station of the box cover mechanism, and after the box cover is covered, the dish box enters the box body along the through hole and the chute.

In a further embodiment, as shown in fig. 1-6, a plurality of linear guide rails 35 are uniformly distributed in the rectangular frame 2 from front to back, the width of each adjacent linear guide rail 35 is consistent with that of the vegetable box 5, and the vegetable box 5 is used for moving along a track set by the linear guide rails, the movable positioning mechanism comprises a positioning frame 4 and a first driving mechanism, the inner frame of the positioning frame 4 is matched with the vegetable box 5 in size and shape, when the vegetable box 5 is arranged in the positioning frame, the outer surface of the vegetable box 5 is in clearance fit with the inner surface of the positioning frame 4, and the vegetable box 5 is in a cube-shaped structure, and the size of the vegetable box is as follows: can follow the locating frame 4 reciprocates and break away from with the locating frame 4, as shown in fig. 3, all dispose 1 locating frame 4 between every adjacent linear guide, all locating frames 4 arrange side by side and fixed connection in proper order, the outside end fixedly connected with first movable block (not marked in the figure) at locating frame 4 of the outside, first movable block be connected with a actuating mechanism.

In this embodiment, through the drive of the first actuating mechanism, the locating frame can be in each station accurate location to in order to realize quantitative dish, accept dish box and cover box lid and provide the accurate location of basic dish box.

In a further embodiment, as shown in fig. 1-6, the first driving mechanism includes 2 first lead screws 33 disposed along a left-right direction, 2 first lead screws 33 are disposed on front and rear sides in the rectangular frame 2, two ends of each first lead screw 33 are rotationally connected with left and right ends of the rectangular frame, one end of a same side of each 2 first lead screws 33 penetrates through an outer surface of the rectangular frame 2, an end of each 1 first lead screw 33 is fixedly connected with an output shaft end of a first stepper motor 3 fixedly disposed outside the rectangular frame 2, as shown in fig. 3, a driving gear 30 is fixedly connected to the output shaft, an end of another first lead screw extends outwards and is fixedly connected with a driven gear 31, the driving gear 30 and the driven gear 31 are in transmission connection with each other through a chain 32, 2 first moving blocks are respectively in screwed connection with the corresponding first lead screws 33, the positioning frame 4 moves left and right in the rectangular frame 2 under the driving of the first stepper motor 3, and the first stepper motor 3 is electrically connected with the controller through a lead wire.

In a further embodiment, as shown in fig. 1-6, the cover and box cover mechanism includes a cover positioning frame 21 and a capping device, each adjacent linear guide rail 35 is configured with 1 cover positioning frame 21, a distance between a bottom end of the cover positioning frame 21 and an upper surface of the workbench 1 is matched with a height of the vegetable box 5, so as to facilitate moving the vegetable box to a position opposite to the cover positioning frame, the adjacent cover positioning frames 21 are fixedly connected, outer ends of the 2 outermost cover positioning frames 21 are fixedly connected with an inner surface of a side wall of the first U-shaped frame 7 through connecting pieces (not shown in the drawings), as shown in fig. 1, the capping device is a first electric push rod 19 arranged along a longitudinal direction, a fixed end of the first electric push rod 19 is fixedly connected with a top lower surface of the first U-shaped frame 7, a horizontally arranged pressing plate 20 is connected with a telescopic end, a shape and a size of the pressing plate 20 are matched with a cover 22, so as to facilitate applying uniform pressure to the cover, the pressing plate 20 is coaxially arranged with the cover positioning frame 21, and the inner hole of the cover positioning frame 21 is used for positioning the cover in a horizontal direction without positioning the cover in the horizontal direction.

As shown in fig. 1 and 6, the box cover 22 is rectangular, each side wall of the box cover 22 is provided with a bump (not shown in the drawing), the inner wall of the box cover positioning frame 21 is provided with a guide groove (not shown in the drawing) along the longitudinal direction, and the bumps are matched with the guide grooves. When in use, a worker places the box cover above the box cover positioning frame and aligns each lug with the guide groove, and then presses the box cover to enter the box cover positioning frame.

In this embodiment, in order to avoid crushing the box cover, an elastic rubber pad (not labeled in the figure) may be further disposed on the lower surface of the pressing plate.

In a further embodiment, as shown in fig. 1-6, the quantitative dish preparing mechanism includes a first dish preparing box 10 and a second dish preparing box 15 that are overlapped and fixedly connected to each other, the side ends of the first dish preparing box 10 and the second dish preparing box 15 are respectively connected to a first feeding hopper 11 and a second feeding hopper 28, as shown in fig. 5, a first conveyor belt 36 and a second conveyor belt 38 are respectively provided in the first dish preparing box 10 and the second dish preparing box 15, the first conveyor belt 36 and the second conveyor belt 38 are respectively arranged along the front-back direction, a first feeding port 37 and a second feeding port 39 are respectively provided on the box walls of the first dish preparing box 10 and the second dish preparing box 15 corresponding to the rear ends of the first conveyor belt 36 and the second conveyor belt 38, and the first feeding port 37 and the second feeding port 39 are respectively staggered to avoid mutual interference during feeding, as shown in fig. 1-3, the first conveyor belt 36 and the second conveyor belt 38 are respectively provided on the outer surfaces of the first dish preparing box and the second dish preparing box through fixed motors or the outer surfaces of the second dish preparing box and the third stepper motor (the stepper motor is not shown in the third outer surface is not shown); the top end of the first side dish box is connected with a second U-shaped frame 8 through a second driving mechanism.

As shown in fig. 1 and 5, the second driving mechanism includes a second screw rod 14 disposed along a front-back direction, two ends of the second screw rod 14 are respectively connected with a side wall of the second U-shaped frame 8 in a rotating manner, one end of the second screw rod 14 penetrates through the side wall of the second U-shaped frame 8 and is fixedly connected with an output shaft end of a fourth stepping motor 29 fixedly connected with the outside of the second U-shaped frame 8, the fourth stepping motor 29 is electrically connected with the controller through a wire, a second moving block 13 is disposed at the top end of the first side dish box, the second moving block is in threaded connection with the second screw rod 14, first linear slide rails 12 are disposed at the bottom ends of the second U-shaped frames 8 at two sides of the second screw rod 14 along a direction parallel to the second screw rod 14, and the top ends of the first side dish box 10 are respectively connected with 2 first linear slide rails in a sliding manner. And when the fourth stepping motor rotates, the first side dish box and the second side dish box are driven to move back and forth along the direction of the first linear sliding rail, so that side dishes of each side dish box are realized.

In this embodiment, due to the difference of the types of the prefabricated dishes, when the quantitative dish allocation is performed, the prefabricated dishes with larger sizes are placed in the first dish allocation box, the prefabricated dishes with smaller sizes of the same type are placed in the second dish allocation box, when the dishes are allocated, the second stepping motor rotates to input the prefabricated dishes with larger sizes into the dish allocation box, when the weight detected by the weighing sensor reaches a certain index, the second stepping motor stops, the third stepping motor starts to input the prefabricated dishes with smaller sizes into the dish allocation box until the preset weight is reached, and the weight of the prefabricated dishes in each dish allocation box can be accurately controlled, so that secondary weighing after the dish allocation box is packaged is avoided. In addition, it should be noted that the input ends of the first feeding hopper 11 and the second feeding hopper 28 of the present utility model should be opposite to the upper ends of the first conveying belt and the second conveying belt, so as to avoid the preformed dish from separating from the surface of the conveying belt, a plurality of continuous baffles or the side walls of the conveying belt and the inner walls of the first side dish box or the second side dish box can be hermetically and slidably connected.

In a further embodiment, as shown in fig. 1-6, the weighing sensors 6 are embedded on the upper surface of the corresponding workbench between each two adjacent linear guide rails corresponding to the lower part of the quantitative dish distribution mechanism, the upper ends of the weighing sensors 6 are flush with the upper surface of the workbench 1, interference in movement of the dish box is avoided, and the weighing sensors 6 are connected with the controller through wires in a signal manner. The controller precisely controls the actions of the second stepping motor and the third stepping motor according to the signals of the weighing sensor, so that precise quantitative dish distribution is realized.

In a further embodiment, as shown in fig. 1-6, the vegetable box conveying mechanism comprises vegetable box conveying square tubes 17 arranged between every two adjacent linear guide rails 25, namely, the cross section is square, as shown in fig. 3, the upper ends of the vegetable box conveying square tubes 17 penetrate through the top ends of the third U-shaped frames 9 and form vegetable box input ports 34, the distance between the bottom ends of the vegetable box conveying square tubes 17 and the upper surface of the workbench is greater than 1 vegetable box height and less than 2 vegetable boxes height, the positioning frames are convenient to move to the position below the vegetable box conveying square tubes, the vegetable boxes are dragged by the positioning frames to move along the linear guide rails 35, and positioning devices are respectively arranged on opposite side walls of the bottom ends of the vegetable box conveying square tubes 17.

As shown in fig. 1, 2 and 4, the positioning device is a second electric push rod 18, the fixed end of the second electric push rod 18 is fixedly connected with the side wall of the vegetable box conveying square tube 17, and the telescopic end penetrates through the side wall of the vegetable box conveying square tube 17 and abuts against the side wall of the vegetable box 5 at the bottommost inside of the vegetable box conveying square tube.

In this embodiment, when in use, the positioning frame is driven by the first stepper motor 3 to move to a position right below the vegetable box conveying square tube 17, the second electric push rod 18 is contracted, the vegetable box at the bottom falls into the positioning frame, then the second electric push rod is extended to position the next vegetable box at the last, then the third stepper motor acts to retract the positioning frame to a station where the quantitative vegetable distributing mechanism is located, after the quantitative vegetable distributing mechanism starts the quantitative vegetable distributing process, the third stepper motor continues to move the vegetable box to the station where the vegetable box cover mechanism is covered through the positioning frame, the first electric push rod is extended, the box cover is pressed down by the pressing plate, the electric door is opened after the box cover is covered, and the vegetable box enters the box body along the through hole and the chute.

In a further embodiment, as shown in fig. 1, one end of the electric door 24 is hinged to a side wall of the through hole 23 and is driven by a fifth stepping motor (not shown in the drawing), when the electric door 24 is closed, the upper surface of the electric door 24 is flush with the upper surface of the table 1, and the controller is electrically connected with the electric door through a wire.

In a further embodiment, as shown in fig. 1, the portable kitchen cabinet further comprises a man-machine interaction device (not shown in the figure), the man-machine interaction device is electrically connected with the controller through wires, supporting legs are respectively arranged at four corners of the lower surface of the workbench 1, 2 second linear slide rails 26 penetrate through the space between the left group of supporting legs and the right group of supporting legs, the second linear slide rails 26 are fixedly connected with the ground, the box 27 is used for accommodating packaged vegetable boxes, and two ends of the box 27 are respectively connected with the corresponding second linear slide rails 26 in a sliding manner.

In this embodiment, the box is disposed between 2 second linear slide rails, and when 1 box is full, the full box can be quickly removed along the second linear slide rails and pulled into a new box. The man-machine interaction device is used for inputting related parameters such as the rotating speeds of the first stepping motor, the second stepping motor, the rotating speed of the fifth stepping motor and the detection value index of the weighing sensor.

It should be noted that, the food-grade plastic material is preferred in the novel vegetable box, as shown in fig. 6, in order to make the vegetable box tightly packaged, a convex edge 40 may be disposed at the upper end of the inner wall of the vegetable box, a groove 41 is disposed on the side wall of the box cover, and the vegetable box is tightly connected with the box cover when the convex edge is clamped with the groove.

Claims (9)

1. A prefabricated dish ration equipment for packing, characterized by: the automatic vegetable box comprises a workbench, a rectangular frame fixedly connected to the upper surface of the workbench along the horizontal direction, a first U-shaped frame, a second U-shaped frame and a third U-shaped frame which are arranged in sequence from left to right and cross the rectangular frame, a movable positioning mechanism arranged in the rectangular frame, a cover box cover mechanism connected to the first U-shaped frame, a quantitative vegetable distribution mechanism connected to the second U-shaped frame, a vegetable box conveying mechanism connected to the third U-shaped frame and a controller;

the automatic dish distribution device is characterized in that a through hole is formed in a workbench corresponding to the bottom of the cover box cover mechanism, the bottom end of the through hole is connected with a chute, the chute is connected with a box body arranged on the ground, an electric door is arranged at the upper port of the through hole, and the controller is configured to control the movable positioning mechanism, the cover box cover mechanism, the quantitative dish distribution mechanism, the dish box conveying mechanism and the electric door.

2. A pre-formed dish quantitative packaging apparatus as claimed in claim 1, wherein: a plurality of linear guide rails are uniformly distributed in the rectangular frame from front to back, and the widths of the adjacent linear guide rails are consistent with those of the vegetable box and are used for enabling the vegetable box to move along a track set by the linear guide rails;

the movable positioning mechanism comprises a positioning frame and a first driving mechanism, the size and the shape of an inner frame of the positioning frame are matched with those of the vegetable box, and when the vegetable box is arranged in the positioning frame, the outer surface of the vegetable box is in clearance fit with the inner surface of the positioning frame;

the vegetable box is of a cube-shaped structure, and the size of the vegetable box is as follows: can follow the locating frame and reciprocate and break away from with the locating frame, all dispose 1 locating frame between every adjacent linear guide, all locating frames arrange side by side and fixed connection in proper order, the outside end fixedly connected with first movable block at the locating frame of outermost, first movable block be connected with a actuating mechanism.

3. A pre-formed dish quantitative packaging apparatus as claimed in claim 2, wherein: the first driving mechanism comprises first lead screws arranged in the left-right direction, wherein 2 first lead screws are arranged, and the 2 first lead screws are respectively arranged at the front side and the rear side in the rectangular frame;

the two ends of the first lead screws are respectively connected with the left end and the right end of the rectangular frame in a rotating way, one end of the same side of each of the 2 first lead screws penetrates through the outer surface of the rectangular frame, wherein the end parts of the 1 first lead screws are fixedly connected with the end parts of the output shafts of the first stepping motors fixedly arranged outside the rectangular frame, driving gears are fixedly connected on the output shafts, and the end parts of the other first lead screws extend outwards and are fixedly connected with driven gears;

the driving gear and the driven gear are connected through chain transmission, the 2 first moving blocks are respectively connected with the corresponding first lead screw in a threaded mode, the positioning frame moves left and right in the rectangular frame under the drive of the first stepping motor, and the first stepping motor is electrically connected with the controller through a lead.

4. A pre-made dish quantitative packaging apparatus as claimed in claim 3, wherein: the cover box cover mechanism comprises a box cover positioning frame and a gland device, and 1 box cover positioning frame is arranged between each two adjacent linear guide rails;

the distance between the bottom end of the box cover positioning frame and the upper surface of the workbench is matched with the height of the vegetable box, the adjacent box cover positioning frames are fixedly connected, and the outer side ends of the 2 box cover positioning frames at the outermost side are fixedly connected with the inner surface of the side wall of the first U-shaped frame through connecting pieces;

the gland device is a first electric push rod which is longitudinally arranged, the fixed end of the first electric push rod is fixedly connected with the lower surface of the top of the first U-shaped frame, the telescopic end of the first electric push rod is connected with a horizontally arranged pressing plate, the shape and the size of the pressing plate are matched with those of the box cover, the pressing plate and the box cover positioning frame are coaxially arranged, and the inner hole of the box cover positioning frame is used for positioning the box cover along the horizontal direction;

the box cover is rectangular, each side wall of the box cover is provided with a bump, the inner wall of the box cover positioning frame is longitudinally provided with a guide groove, and the bumps are matched with the guide grooves for use.

5. A pre-formed dish quantitative packaging apparatus as claimed in claim 4, wherein: the quantitative dish distribution mechanism comprises a first dish distribution box and a second dish distribution box which are mutually overlapped and fixedly connected, and the side ends of the first dish distribution box and the second dish distribution box are respectively connected with a first feed hopper and a second feed hopper;

the first side dish box and the second side dish box are respectively provided with a first conveying belt and a second conveying belt, the first conveying belt and the second conveying belt are arranged along the front-back direction, and the box walls of the first side dish box and the second side dish box corresponding to the rear ends of the first conveying belt and the second conveying belt are respectively provided with a first feeding opening and a second feeding opening;

the first feeding port and the second feeding port are staggered to avoid mutual interference during feeding, the first conveyor belt and the second conveyor belt are respectively driven by a second stepping motor and a third stepping motor which are fixedly arranged on the outer surface of the first dish distribution box or the outer surface of the second dish distribution box, and the second stepping motor and the third stepping motor are respectively electrically connected with the controller through wires; the top end of the first side dish box is connected with a second U-shaped frame through a second driving mechanism;

the second driving mechanism comprises a second screw rod arranged along the front-back direction, two ends of the second screw rod are respectively and rotatably connected with the side wall of the second U-shaped frame, one end of the second screw rod penetrates through the side wall of the second U-shaped frame and is fixedly connected with the end part of an output shaft of a fourth stepping motor fixedly connected with the outside of the second U-shaped frame, the fourth stepping motor is electrically connected with the controller through a lead wire, the top end of the first side dish box is provided with a second moving block, the second moving block is in threaded connection with the second screw rod, the bottom ends of the second U-shaped frames at two sides of the second screw rod are also provided with first linear slide rails along the direction parallel to the second screw rod, and the top end of the first side dish box is respectively and slidably connected with 2 first linear slide rails;

the weighing sensors are embedded on the upper surfaces of the corresponding work tables between every two adjacent linear guide rails corresponding to the lower parts of the quantitative dish distribution mechanisms, the upper ends of the weighing sensors are flush with the upper surfaces of the work tables, and the weighing sensors are connected with the controller through wires in a signal mode.

6. A pre-made dish quantitative packaging apparatus as claimed in claim 5, wherein: the vegetable box conveying mechanism comprises vegetable box conveying square pipes arranged between every two adjacent linear guide rails, the upper ends of the vegetable box conveying square pipes penetrate through the top ends of the third U-shaped frames and form vegetable box input ports, the distance between the bottom ends of the vegetable box conveying square pipes and the upper surface of the workbench is greater than the height of 1 vegetable box and less than the height of 2 vegetable boxes, and positioning devices are respectively arranged on the opposite side walls of the bottom ends of the vegetable box conveying square pipes.

7. A pre-made dish quantitative packaging apparatus as claimed in claim 6, wherein: the positioning device is a second electric push rod, the fixed end of the second electric push rod is fixedly connected with the side wall of the vegetable box conveying square tube, and the telescopic end penetrates through the side wall of the vegetable box conveying square tube and abuts against the vegetable box side wall at the bottommost part in the vegetable box conveying square tube.

8. A pre-formed dish quantitative packaging apparatus as claimed in claim 7, wherein: one end of the electric door is hinged with the side wall of the through hole and driven by a fifth stepping motor, when the electric door is closed, the upper surface of the electric door is flush with the upper surface of the workbench, and the controller is electrically connected with the electric door through a wire.

9. A pre-formed dish quantitative packaging apparatus as claimed in claim 8, wherein: still include man-machine interaction device, man-machine interaction device pass through the wire and be connected with the controller electricity, workstation lower surface four corners be equipped with the supporting leg respectively, run through between controlling two sets of supporting legs and have 2 second linear slide rail, second linear slide rail and ground fixed connection, the box be used for holding the dish box that packs, the both ends of box respectively with corresponding second linear slide rail sliding connection.

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