Food packaging bag opening device

Abstract

The utility model relates to a food packaging bag opening device which comprises a workbench, a bag storage unit, a bag taking unit and a bag opening unit. The bag storage unit, the bag taking unit and the bag opening unit are all arranged at the top end of the workbench. Through modular design, bag storage, bag taking and bag opening in each unit are independently arranged and can be replaced, so that all components are relatively independent, the opening and closing sizes of two corresponding baffles of a bag opening mechanism in the bag opening unit are adjustable, the overall flexibility of the device is higher, the device supports rapid adaptation to different production requirements, and the application range is wider.

Description

TECHNICAL FIELD

[0001] The utility model belongs to food packaging design technical field, concretely relates to a food packaging bag opening device. BACKGROUND

[0002] The existing food packaging bag opening device is usually used in the automatic production line, and the bag taking, bag opening and bag supporting operations of the packaging bag are realized through the mechanical structure. For example, the conventional device adopts the fixed structure of the bag taking arm and the bag supporting mechanism, the bag opening is completed through the translation and rotation of the mechanical arm after the packaging bag is taken by the suction cup, the bag taking and bag opening are realized by the multi-axis mechanical arm, the structure is complex, the maintenance cost is high, and the modular design is lacked, so it is difficult to adapt to different production requirements.

[0003] The defects of the prior art are as follows: 1. Low degree of modularization: the existing device is of an integral structure, and the function units (bag storage, bag taking and bag opening) are closely coupled, so that the maintenance and upgrading are difficult. 2. Narrow application range: the size of the bag supporting mechanism is fixed, and it cannot adapt to packaging bags of different specifications or materials, so the parts need to be frequently replaced. 3. Complex structure: the multi-axis mechanical arm and the complex transmission system increase the manufacturing cost and the failure rate. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of food packaging bag opening device, specific technical solutions are as follows:

[0005] A kind of food packaging bag opening device, including workbench, bag storage unit, bag taking unit and bag opening unit;

[0006] The workbench is a flat table top on the top, and a cuboid mounting plate is provided on the flat table top;A suction cup a is slidably connected to the guide rail fixedly connected to the cuboid mounting plate;

[0007] The bag storage unit includes a bag bin and a power roller;

[0008] The bag bin is fixedly connected to the top of the workbench, and a horizontal strip-shaped opening is provided on one side of the bottom of the side surface of the bag bin, and the paper bag is extended through the strip-shaped opening;

[0009] The power roller is fixedly connected to the bottom of the bag bin, and the two power rollers are symmetrically arranged;

[0010] The bag taking unit includes a support seat, a first truss, a first mounting plate, a second truss, a second mounting plate, a third truss and a buffer;

[0011] The support seat is fixedly connected to the top of the workbench, and the first truss is fixedly connected to the top of the support seat, the first mounting plate is slidably connected to one side of the first truss, the second truss is fixedly connected to one side of the first mounting plate, the second mounting plate is slidably connected to one side of the second truss, and the third truss is fixedly connected to one side of the second mounting plate.

[0012] The bottom of the third truss is rotationally connected with a suction cup b; the suction cup b is used to connect the suction cup a on the guide rail;

[0013] The two ends of the side of the first truss, which is in sliding connection with the first mounting plate, are fixedly connected with bumpers;

[0014] The two ends of the side of the second truss, which is in sliding connection with the second mounting plate, are fixedly connected with bumpers;

[0015] The bag opening unit comprises a rotating platform, a table top, a special-shaped frame and a base;

[0016] The table top of the rotating platform is in rotational connection with the base of the rotating platform, the upper end of the rotating platform is provided with the table top, and the base of the rotating platform is fixedly connected with the workbench;

[0017] The base is a cylindrical protrusion, and one side of the base is fixedly connected with the cuboid mounting plate;

[0018] The special-shaped frame is fixedly connected on the table top, and the outer side of the special-shaped frame is fixedly connected with four bag supporting mechanisms in a circumferential array.

[0019] The preferred scheme of the food packaging bag opening device is that the inside of the first truss is fixedly connected with a first rack, a first motor is fixedly connected on the first mounting plate, the shaft of the first motor penetrates the first mounting plate, and the end portion is fixedly connected with a first gear, and the first gear and the first rack are in meshing connection;

[0020] The inside of the second truss is fixedly connected with a second rack, a second motor is fixedly connected on the second mounting plate, the shaft of the second motor penetrates the second mounting plate, and the end portion is fixedly connected with a second gear, and the second gear and the second rack are in meshing connection;

[0021] The opposite side of the second motor on the second mounting plate is fixedly connected with a third motor, the shaft of the third motor penetrates the second mounting plate, the shaft end portion is fixedly connected with a third gear, and the third gear is in meshing connection with a third rack fixedly connected on the third truss.

[0022] The preferred scheme of the food packaging bag opening device is that the bag supporting mechanism comprises a first fixed plate, a second fixed plate, a cylindrical guide rod, a second movable rod, a first movable rod, a third movable rod, a fourth movable rod, a fixed rod and a baffle;

[0023] The first fixed plate and the second fixed plate are fixedly connected on the special-shaped frame in symmetry;

[0024] The first movable rod has a cylindrical guide rod, and the cylindrical guide rod penetrates the first fixed plate and the second fixed plate respectively, and the cylindrical guide rod is in sliding connection with the first fixed plate and the second fixed plate respectively;

[0025] One side of the first fixed plate and the second fixed plate has four cylindrical protrusions, the upper two of which are respectively connected with the second movable rod and the third movable rod; the lower two of which are connected with the fourth movable rod;

[0026] The other end of the second movable rod, the third movable rod and the fourth movable rod is respectively connected with the fixed rod, and the fixed rod is fixedly connected to the side wall of the corresponding baffle.

[0027] The preferred solution of the food packaging opening device is that one end of the second movable rod and the third movable rod has a straight gear structure, and the straight gear structures of the second movable rod and the third movable rod are meshed and connected, and when they are rotated relative to the first fixed plate or the second fixed plate, they are symmetrically distributed, and one side of the first movable rod has two bosses which are slidably connected with the grooves on the second movable rod and the third movable rod.

[0028] The preferred solution of the food packaging opening device is that the buffer is made of elastic material to prevent damage to the workpiece.

[0029] The preferred solution of the food packaging opening device is that the baffle is made of 316 stainless steel material.

[0030] The working principle of the food packaging opening device is as follows:

[0031] In work, the food packaging bag is stored in the bag bin, the bottom of the bag bin has a certain inclination angle, the power roller is parallel to the bottom of the bag bin during installation, therefore, when the power roller rolls, the lowermost food packaging bag can protrude from the opening on one side of the bag bin through friction, the first truss, the second truss and the third truss are sequentially slidably connected through the first mounting plate and the second mounting plate, and the suction cup is rotatably connected to one end of the third truss, therefore, the suction cup has four degrees of freedom in space, the suction cup is connected to the air pump, and the suction cup can realize the operation of sucking the food packaging bag, after the suction cup sucks the food packaging bag protruding from the opening on one side of the bag bin, the suction cup performs the operation of turning over and translating the packaging bag, so that the opening of the packaging bag faces upwards and moves to another suction cup slidably connected to the cubic mounting plate, the two suction cups suck the packaging bag at the same time, and the first suction cup moves to the opposite side of the cubic mounting plate, so that the food packaging bag is opened, at this time, the pair of baffles above the packaging bag in the opening bag unit is in a closed state, then the two suction cups move vertically upwards at the same rate and by the same distance, so that the packaging bag which has been opened is mostly sleeved on the pair of baffles, then the two suction cups cancel the suction of the packaging bag, and the two suction cups return to the original position to continue the previous operation, meanwhile, the baffles in the packaging bag are moved in parallel and unfolded through the rotation of the second movable rod, the first movable rod, the third movable rod and the fourth movable rod, so that the food packaging bag is completely opened, then the rotating platform drives the special-shaped frame to rotate, so that the food packaging bag which has been completely opened moves to the remaining position to perform the next operation, after the food is loaded, the baffles are loosened, and the food packaging bag automatically falls off together with the food due to the self weight.

[0032] Advantages

[0033] The technical scheme of the utility model discloses through modular design, and the bag storage, bag taking and bag opening in each unit are independently arranged and can be replaced, so that each component is relatively independent, and the opening and closing size of the two corresponding baffles of the bag opening unit can be adjusted, the overall flexibility of the device is higher, different production requirements can be quickly adapted, and the device is more widely applicable.

[0034] The three-truss linkage structure is combined with a gear and a rack to drive, precise four-degree-of-freedom movement of the suction cup in space is realized, an adjustable bag opening mechanism is adopted, the opening and closing size of the baffle is adjustable through the meshing of the movable rod and the gear, and various packaging bag specifications can be adapted. By automatically opening the food packaging bag, personnel contact is reduced, sterile production is realized, and the food hygiene requirements are better met. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a whole structure schematic view of a food packaging bag opening device;

[0036] Figure 2 It is a cutaway schematic view of a bag storage unit;

[0037] Figure 3A partial view of the bag taking unit;

[0038] Figure 4 A schematic view of the second and third trusses;

[0039] Figure 5 A partial view of the bag opening unit; Figure 3 A schematic view of part A of the bag opening unit;

[0040] Figure 6 A partial view of the bag opening unit;

[0041] Figure 7 A partial view of the bag opening unit;

[0042] In the figure: 1 - workbench, 11 - cuboid mounting plate, 12 - guide rail, 13 - suction cup a, 14 - suction cup b, 2 - bag storage unit, 21 - bag compartment, 22 - power roller, 23 - strip-shaped opening, 3 - bag taking unit, 31 - support seat, 32 - first truss, 33 - first mounting plate, 34 - second truss, 35 - second mounting plate, 36 - third truss, 37 - buffer, 38 - first rack, 39 - first motor, 310 - first gear, 311 - second rack, 312 - second motor, 313 - second gear, 314 - third motor, 315 - third gear, 316 - third rack, 4 - bag opening unit, 41 - rotating platform, 42 - table top, 43 - special-shaped frame, 44 - base, 45 - first fixed plate, 46 - second fixed plate, 47 - cylindrical guide rod, 48 - second movable rod, 49 - first movable rod, 410 - third movable rod, 411 - fourth movable rod, 412 - fixed rod, 413 - baffle. DETAILED DESCRIPTION

[0043] The utility model will be further described below in combination with the drawings in the utility model, but should not be understood as the main body range of the utility model is limited to the following examples. According to the ordinary technical knowledge and conventional means in the art, various substitutions and changes are made without departing from the above-mentioned concept of the utility model, and all should be included in the protection scope of the utility model.

[0044] A food packaging bag opening device, comprising a workbench 1, a bag storage unit 2, a bag taking unit 3 and a bag opening unit 4;

[0045] The workbench 1 is provided with a cuboid mounting plate 11 on a flat table top; the cuboid mounting plate 11 is fixedly connected with a guide rail 12, and the guide rail 12 is slidably connected with a suction cup a 13;

[0046] The bag storage unit 2 comprises a bag compartment 21 and a power roller 22;

[0047] The bag bin 21 is fixedly connected to the top of the workbench 1, and a horizontal strip-shaped opening 23 is arranged on one side of the bottom of the bag bin 21, and the paper bag is extended through the strip-shaped opening 23;

[0048] The power roller 22 is fixedly connected to the bottom of the bag bin 21, and two power rollers 22 are symmetrically arranged;

[0049] The bag taking unit 3 comprises a support seat 31, a first truss 32, a first mounting plate 33, a second truss 34, a second mounting plate 35, a third truss 36 and a buffer 37;

[0050] The support seat 31 is fixedly connected to the top of the workbench 1, and the first truss 32 is fixedly connected to the top of the support seat 31, one side of the first truss 32 is slidably connected with the first mounting plate 33, one side of the first mounting plate 33 is fixedly connected with the second truss 34, one side of the second truss 34 is slidably connected with the second mounting plate 35, and one side of the second mounting plate 35 is fixedly connected with the third truss 36;

[0051] The bottom of the third truss 36 is rotatably connected with the suction cup b14, and the suction cup b14 is used for connecting the suction cup a13 on the guide rail 12;

[0052] The two ends of the side, on which the first truss 32 and the first mounting plate 33 are slidably connected, are fixedly connected with the buffers 37;

[0053] The two ends of the side, on which the second truss 34 and the second mounting plate 35 are slidably connected, are fixedly connected with the buffers 37;

[0054] The bag opening unit 4 comprises a rotating platform 41, a table top 42, a special-shaped frame 43 and a base 44;

[0055] The table top 42 of the rotating platform 41 is rotatably connected with the base 44 of the rotating platform 41, the upper end of the rotating platform 41 is provided with the table top 42, and the base 44 of the rotating platform is fixedly connected with the workbench 1;

[0056] The base 44 is a cylindrical protrusion, and one side of the base 44 is fixedly connected with the cuboid-shaped mounting plate 11;

[0057] The special-shaped frame 43 is fixedly connected to the table top 42, and four bag supporting mechanisms are fixedly connected to the outer side of the special-shaped frame 43 in a circumferential array.

[0058] The first rack 38 is fixedly connected to the slotted interior of the first truss 32, the first motor 39 is fixedly connected to the first mounting plate 33, the shaft of the first motor 39 penetrates the first mounting plate 33, and the end portion is fixedly connected with the first gear 310, and the first gear 310 is meshingly connected with the first rack 38;

[0059] The second rack 311 is fixedly connected to the slotted interior of the second truss 34, the second motor 312 is fixedly connected to the second mounting plate 35, the shaft of the second motor 312 penetrates the second mounting plate 35, and the end portion is fixedly connected with the second gear 313, the second gear 313 and the second rack 311 are engagedly connected;

[0060] The third motor 314 is fixedly connected to the opposite side of the second motor 312 on the second mounting plate 35, the shaft of the third motor 314 penetrates the second mounting plate 35, and the shaft end portion is fixedly connected with the third gear 315, the third gear 315 is engagedly connected with the third rack 316 fixedly connected to the third truss 36.

[0061] The bag supporting mechanism comprises a first fixed plate 45, a second fixed plate 46, a cylindrical guide rod 47, a second movable rod 48, a first movable rod 49, a third movable rod 410, a fourth movable rod 411, a fixed rod 412 and a baffle 413.

[0062] The first fixed plate 45 and the second fixed plate 46 are fixedly connected to the special-shaped frame 43 in a symmetrical manner.

[0063] The first movable rod 49 has a cylindrical guide rod 47, which penetrates the first fixed plate 45 and the second fixed plate 46 respectively, and the cylindrical guide rod 47 is slidably connected with the first fixed plate 45 and the second fixed plate 46 respectively.

[0064] One side of the first fixed plate 45 and the second fixed plate 46 has four cylindrical protrusions, the upper two cylindrical protrusions of the cylindrical protrusions are rotatably connected with the second movable rod 48 and the third movable rod 410 respectively, and the lower two cylindrical protrusions of the cylindrical protrusions are rotatably connected with the fourth movable rod 411.

[0065] The other end of the second movable rod 48, the third movable rod 410 and the fourth movable rod 411 is rotatably connected with the fixed rod 412, and the fixed rod 412 is fixedly connected to the side wall of the corresponding baffle 413.

[0066] One end of the second movable rod 48 and the third movable rod 410 has a straight gear structure, and the straight gear structures of the second movable rod 48 and the third movable rod 410 are engagedly connected, and when rotating relative to the first fixed plate 45 or the second fixed plate 46, they are symmetrically distributed, one side of the first movable rod 49 has two bosses, and the bosses are slidably connected with the grooves on the second movable rod 48 and the third movable rod 410.

[0067] The buffer 37 is made of elastic material, which is used to prevent damage to the workpiece.

[0068] The baffle 413 is made of 316 stainless steel material.

[0069] The working principle of the food packaging bag opening device:

[0070] In operation, the food packaging bags are stored in the bag bin 21, the bottom of the bag bin 21 has a certain inclination angle, the power roller 22 is parallel to the bottom of the bag bin 21 during installation, so that the lowermost food packaging bag can protrude from the opening on one side of the bag bin 21 by friction when the power roller 22 rolls. The first gantry 32, the second gantry 34 and the third gantry 36 are sequentially connected by sliding through the first mounting plate 33 and the second mounting plate 35, and the suction cup 13 is rotatably connected to one end of the third gantry 36, so that the suction cup 13 has four degrees of freedom in space. The suction cup 13 is connected to the air pump and can perform operations such as sucking the food packaging bag. After the suction cup 13 sucks the food packaging bag protruding from the opening on one side of the bag bin 21, the suction cup 13 performs operations such as turning and translating the packaging bag to make the opening of the packaging bag upward and move to another suction cup 13 that is slidably connected to the cubic mounting plate 11. Two suction cups 13 simultaneously suck the packaging bag, and the first suction cup 13 moves to the opposite side of the cubic mounting plate 11 to open the food packaging bag. At this time, the pair of baffles 413 above the packaging bag in the bag opening unit 4 is in a closed state. Then, the two suction cups 13 simultaneously move vertically upward at the same rate and by the same distance, so that most of the opened packaging bag is wrapped around the pair of baffles 413. Then, the two suction cups cancel the suction of the packaging bag, and the two suction cups return to the original position to continue the previous operation. At the same time, the baffles 413 inside the packaging bag are moved in parallel and unfolded through the rotation of the second movable rod 48, the first movable rod 49, the third movable rod 410 and the fourth movable rod 411, so as to completely open the food packaging bag. Then, the rotating platform 41 drives the special-shaped frame 43 to rotate, so that the completely opened food packaging bag is moved to the remaining position for the next operation. After the food is loaded, the baffles 413 are loosened, and the food packaging bag automatically falls off with the food due to gravity.

Claims

1. A food package opening apparatus characterized by comprising: It includes workbench (1), bag storage unit (2), bag taking unit (3) and bag opening unit (4); The top of the workbench (1) is a flat table, and the flat table is provided with a cuboid mounting plate (11); the cuboid mounting plate (11) is fixedly connected with a guide rail (12), and the guide rail (12) is slidably connected with a suction disc a (13); The bag storage unit (2) comprises a bag bin (21) and a power roller (22); The bag bin (21) is fixedly connected to the top of the workbench (1), and one side of the bottom of the side of the bag bin (21) is provided with a horizontal strip-shaped opening (23), and the paper bag is extended through the strip-shaped opening (23); The power roller (22) is fixedly connected to the bottom of the bag bin (21), and the two power rollers (22) are symmetrically arranged; The bag taking unit (3) comprises a support seat (31), a first truss (32), a first mounting plate (33), a second truss (34), a second mounting plate (35), a third truss (36) and a buffer (37); The support seat (31) is fixedly connected to the top of the workbench (1), and the support seat (31) is fixedly connected with the first truss (32) at the top, one side of the first truss (32) is slidably connected with the first mounting plate (33), one side of the first mounting plate (33) is fixedly connected with the second truss (34), one side of the second truss (34) is slidably connected with the second mounting plate (35), and one side of the second mounting plate (35) is fixedly connected with the third truss (36); The bottom of the third truss (36) is rotatably connected with a suction disc b (14); the suction disc b (14) is used for connecting the suction disc a (13) on the guide rail (12); The two ends of the side, where the first truss (32) and the first mounting plate (33) are slidably connected, are fixedly connected with buffers (37); The two ends of the side, where the second truss (34) and the second mounting plate (35) are slidably connected, are fixedly connected with buffers (37); The bag opening unit (4) comprises a rotating platform (41), a table top (42), a special-shaped frame (43) and a base (44); The table top (42) of the rotating platform (41) is rotatably connected with the base (44) of the rotating platform (41), the upper end of the rotating platform (41) is provided with the table top (42), and the base (44) of the rotating platform is fixedly connected with the workbench (1); The base (44) is a cylindrical protrusion, and one side of the base (44) is fixedly connected with the cuboid mounting plate (11); The table top (42) is fixedly connected with the special-shaped frame (43), and the outer side of the special-shaped frame (43) is fixedly connected with four bag supporting mechanisms in a circumferential array.

2. A food package opening device according to claim 1, characterized in that The first rack (38) is fixedly connected in the slot of the first truss (32), the first motor (39) is fixedly connected to the first mounting plate (33), the shaft of the first motor (39) penetrates the first mounting plate (33), and the end portion is fixedly connected with a first gear (310), and the first gear (310) is engagedly connected with the first rack (38); The slotted inner part of the second truss (34) is fixedly connected with a second rack (311), a second motor (312) is fixedly connected on the second mounting plate (35), the shaft of the second motor (312) penetrates the second mounting plate (35), and the end part is fixedly connected with a second gear (313), the second gear (313) is in meshing connection with the second rack (311); The opposite side of the second motor (312) on the second mounting plate (35) is fixedly connected with a third motor (314), the shaft of the third motor (314) penetrates the second mounting plate (35), and the shaft end part is fixedly connected with a third gear (315), the third gear (315) is in meshing connection with a third rack (316) fixedly connected on a third truss (36).

3. A food package opening device according to claim 1, characterized in that The bag supporting mechanism comprises a first fixed plate (45), a second fixed plate (46), a cylindrical guide rod (47), a second movable rod (48), a first movable rod (49), a third movable rod (410), a fourth movable rod (411), a fixed rod (412) and a baffle (413); The first fixed plate (45) and the second fixed plate (46) are fixedly connected on the special-shaped frame (43) in a symmetrical manner; The first movable rod (49) has a cylindrical guide rod (47), the cylindrical guide rod (47) penetrates the first fixed plate (45) and the second fixed plate (46) respectively, and the cylindrical guide rod (47) is in sliding connection with the first fixed plate (45) and the second fixed plate (46) respectively; One side of the first fixed plate (45) and the second fixed plate (46) has four cylindrical protrusions, the upper two cylindrical protrusions in the cylindrical protrusions are rotatably connected with the second movable rod (48) and the third movable rod (410) respectively, and the lower two cylindrical protrusions in the cylindrical protrusions are rotatably connected with the fourth movable rod (411); The other end of the second movable rod (48), the third movable rod (410) and the fourth movable rod (411) is rotatably connected with the fixed rod (412) respectively, and the fixed rod (412) is fixedly connected on the side wall of the corresponding baffle (413).

4. A food package opening device according to claim 3, characterized in that One end of the second movable rod (48) and the third movable rod (410) has a spur gear structure, and the spur gear structures of the second movable rod (48) and the third movable rod (410) are in meshing connection, and when rotating relative to the first fixed plate (45) or the second fixed plate (46), they are symmetrically distributed, one side of the first movable rod (49) has two bosses, and the bosses are in sliding connection with the grooves on the second movable rod (48) and the third movable rod (410).

5. A food package opening device according to claim 1, characterized in that The bumper (37) is made of elastic material and is used to prevent damage to the workpiece.

6. A food package opening device according to claim 3, characterized in that The baffle (413) is made of 316 stainless steel material.

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