Weighing and metering automatic packaging machine

Abstract

The utility model discloses an automatic packing machine with weighing and metering functions, which relates to the field of carton packing and comprises a weighing platform, a material platform, a carton conveying device and a packing device, the material platform is arranged on one side of the weighing platform, the packing device is arranged on the other side of the weighing platform, and the weighing platform, the material platform and the packing device are arranged in a linear manner. The carton conveying device is arranged on one side of the weighing table and is perpendicular to the arrangement direction of the material table and the packaging device, and a device for folding a cover plate below a carton is arranged in the carton conveying device, so that folding of the cover plate below the carton is completed before the carton is conveyed to the weighing table, and the packaging efficiency is improved; weighed cartons are conveyed to the packaging device for folding of upper cover plates, the upper ends and the lower ends of the cartons are sealed through adhesive tapes through two adhesive tape attaching mechanisms in the packaging device, the automation degree is high, manpower waste caused by cooperation of multiple procedures and multiple persons is avoided, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carton packaging, and specifically relates to a weighing and metering automatic packaging machine. Background Technique

[0002] A carton is a product widely used in the fields of packaging and transportation. Its main materials include plant fibers such as wheat straw, reed, rice straw, and wood, which are processed by corroding these materials into pulp. Cartons are widely used in the packaging and logistics industries because of their good protective effect. During the process of carton packaging, it is often necessary to weigh the carton and its contents, and seal it with tape. In the past packaging process, these processes needed to be completed separately and required the cooperation of multiple people, which would cause waste of manpower and low efficiency. Therefore, a weighing and metering automatic packaging machine is proposed to automate the above processes and improve work efficiency. Content of the Utility Model

[0003] To solve the above technical problems, a weighing and metering automatic packaging machine is provided. This technical solution solves the problem of low efficiency caused by the need for multiple people to cooperate in carton weighing, packaging, and sealing.

[0004] To achieve the above purposes, the technical solution adopted by the utility model is as follows:

[0005] A weighing and metering automatic packaging machine includes a weighing table, a material table, a carton conveying device, and a packaging device. The material table is arranged on one side of the weighing table, the packaging device is arranged on the other side of the weighing table. The weighing table, the material table, and the packaging device are arranged in a straight line. The carton conveying device is arranged on one side of the weighing table and is perpendicular to the arrangement direction of the material table and the packaging device. A conveyor belt is arranged above the weighing table, and one end of the weighing table is fixedly connected with a display terminal;

[0006] The carton conveying device includes a carton inlet. The carton inlet is arranged on one side of the carton conveying device. A baffle is arranged at the front end of the carton inlet. A first adjusting wheel is arranged on one side of the carton conveying device. The central rotating shaft of the first adjusting wheel is rotationally connected with the side guard plate of the carton inlet. A guide rod is arranged inside the carton conveying device. The guide rod is arranged in the extending direction of the carton inlet into the inside of the carton conveying device. One end of the guide rod is threadedly connected with a rotating shaft. The rotating shaft extends to the outside of the carton conveying device and is fixedly connected with a second adjusting wheel. A plurality of conveying rollers are evenly arranged on one side of the carton conveying device;

[0007] The packaging device includes a plurality of rotation rollers evenly arranged. A clamping and conveying mechanism is arranged above the rotation rollers. A fixing plate is arranged at the upper end of the packaging device. The fixing plate is slidably connected to the brackets at both ends of the packaging device through a transverse connecting column. A screw rod is arranged inside one of the brackets. The upper end of the screw rod is fixedly connected with an adjusting handle. One end of the fixing plate is rotatably connected with a front pressing plate. A lower pressing plate is fixedly connected below the fixing plate. Two stop rods are arranged at the connection between the lower pressing plate and the transverse connecting column. The stop rods are symmetrically arranged along the lower pressing plate. One end of the fixing plate close to the transverse connecting column is fixedly connected with a tape attaching mechanism. The tape attaching mechanism is fixedly connected with the transverse connecting column. A tape attaching mechanism is also arranged below the packaging device. The two tape attaching mechanisms are arranged opposite to each other. A second control cabinet is fixedly installed on one side of the packaging device.

[0008] Preferably, the tape attaching mechanism includes a tape placing roller. A connecting plate is rotatably connected to the middle of the tape placing roller. The connecting plate is fixedly connected with the vertical plate below. A first guiding roller is rotatably connected to one side of the vertical plate. A second guiding roller is arranged below the first guiding roller. The second guiding roller is connected with a connecting rod through the connecting plate. The other end of the connecting rod is connected with a third guiding roller through the connecting plate. The second guiding roller and the third guiding roller are rotatably connected with the connecting plate. One end of one of the connecting plates is connected with a first spring. The other end of the first spring is connected with a fixed rod. The fixed rod is fixedly connected with the vertical plate. A cutting knife is rotatably connected to the middle of one side of the vertical plate through the connecting plate. One end of the connecting plate is fixedly connected with a second spring. The other end of the second spring is fixedly connected with the vertical plate through a fixed column.

[0009] Preferably, two limiting rods are arranged above the conveying roller. A first control cabinet is fixedly installed on the outside of the carton conveying device.

[0010] Preferably, a motor is arranged below one end of the clamping and conveying mechanism. A conveyor belt is arranged inside the clamping and conveying mechanism.

[0011] Preferably, a transfer table is arranged on one side of the packaging device away from the weighing platform. A conveyor belt is installed above the transfer table. A baffle is arranged at one end of the transfer table.

[0012] Preferably, a turnover basket is arranged on one side of the transfer table away from the packaging device.

[0013] The beneficial effects of the present utility model compared with the prior art are:

[0014] 1. Inside the carton conveying device, there is a device for folding the lower cover plate of the carton. The motor drives two push rods to rotate to fold the horizontal cover of the lower part of the carton, and the hydraulic push rod drives two rollers to move towards the middle to fold the longitudinal cover plate, so that the folding of the lower cover plate is completed before the carton is sent to the weighing table, improving the packaging efficiency.

[0015] 2. The cartons that have completed weighing are sent to the packaging device for folding and packaging of the upper cover plate. The lower pressing plate pushes one side of the cover plate to fold inward, and then the electric push rod pulls the front pressing plate to press down the cover plate at the other end of the carton. The cover plates on both sides are folded inward under the extrusion of the blocking rods, and then the lower pressing plate presses the folded carton tightly to complete the folding, saving the time of manual folding of the cartons, saving labor, and improving efficiency.

[0016] 3. Two tape attaching mechanisms seal the upper and lower ends of the carton with tape. The carton contacts two guiding rollers successively, and the guiding rollers paste the tape on their surfaces at the joint of the carton cover plate. As the carton moves forward, the first spring tightens the connecting plate to move the two guiding rollers away from each other, providing pressure for tape attachment. Then, the cutting knife in the middle cuts the tape after the carton passes through, and the remaining tape is pasted on the carton by the third guiding roller to complete the packaging of the carton, with a relatively high degree of automation and improved production efficiency. Description of the Drawings

[0017] Figure 1 is a schematic structural view of the present utility model;

[0018] Figure 2 is a schematic structural view of the carton conveying device in the present utility model;

[0019] Figure 3 is a schematic structural view of the carton conveying device in the present utility model from another perspective;

[0020] Figure 4 is a schematic structural view of the packaging device in the present utility model;

[0021] Figure 5 is a schematic structural view of the tape attaching mechanism in the present utility model.

[0022] The reference numerals in the figures are:

[0023] 1. Weighing platform; 101. Conveyor belt; 102. Display terminal; 2. Material platform; 3. Carton conveying device; 301. Carton inlet; 302. First adjusting roller; 303. Guide rod; 304. Second adjusting roller; 305. Conveying roller; 306. Limit rod; 307. First control cabinet; 4. Packaging device; 401. Rotating roller; 402. Clamping and conveying mechanism; 403. Fixed plate; 404. Front pressing plate; 405. Lower pressing plate; 406. Stop rod; 407. Tape attaching mechanism; 408. Adjusting handle; 409. Second control cabinet; 41. Tape placing roller; 42. First guide roller; 43. Second guide roller; 44. Third guide roller; 45. Cutting knife; 46. First spring; 47. Second spring; 48. Connecting rod; 5. Transfer table; 6. Turnover basket. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. It can be understood that the accompanying drawings are only for reference and illustration, and are not used to limit the present invention. The connection relationships shown in the drawings are only for clear description and do not limit the connection methods.

[0025] As Figure 1 shown, a weighing and metering automatic packaging machine includes a weighing platform 1, a material platform 2, a carton conveying device 3 and a packaging device 4. The material platform 2 is arranged on one side of the weighing platform 1, and the packaging device 4 is arranged on the other side of the weighing platform 1. The weighing platform 1, the material platform 2 and the packaging device 4 are arranged in a straight line. The carton conveying device 3 is arranged on one side of the weighing platform 1 and is perpendicular to the arrangement direction of the material platform 2 and the packaging device 4. A conveyor belt 101 is arranged above the weighing platform 1, and a display terminal 102 is fixedly connected to one end of the weighing platform 1. The carton is sent to the weighing platform 1 by the carton conveying device. After the staff puts the items into the carton and weighs them, the carton then enters the packaging device 4.

[0026] As Figures 2 - 3As shown, the carton conveying device 3 includes a carton inlet 301, which is arranged on one side of the carton conveying device 3. A baffle is provided at the front end of the carton inlet 301. A first adjusting wheel 302 is arranged on one side of the carton conveying device 3. The middle rotating shaft of the first adjusting wheel 302 is rotatably connected to the side guard plate of the carton inlet 301. Rotating the first adjusting wheel 302 can adjust the width of the bar at the carton inlet 301 to adapt to different cartons. A guide rod 303 is arranged inside the carton conveying device 3. The guide rod 303 is arranged in the extending direction of the carton inlet 301 into the interior of the carton conveying device 3. One end of the guide rod 303 is threadedly connected with a rotating shaft, and the rotating shaft extends to the outside of the carton conveying device 3 and is fixedly connected to a second adjusting wheel 304. The second adjusting wheel 304 can adjust the position of the guide rod 303. When the carton passes through the guide rod 303, the two push rods below fold the horizontal box cover at the lower part of the carton, and the two rollers below fold the longitudinal cover under the drive of the hydraulic push rod. A plurality of conveying rollers 305 are evenly arranged on one side of the carton conveying device 3. The conveying rollers 305 rotate under the drive of a motor. Two limiting rods 306 are arranged above the conveying rollers 305. The carton with the lower box cover folded is sent to the weighing platform 1 through the conveying rollers 305. A first control cabinet 307 is fixedly installed on the outside of the carton conveying device 3.

[0027] As Figure 4As shown, the packaging device 4 includes a plurality of evenly arranged rotating rollers 401, which are rotatably connected to the side wall of the packaging device 4. Above the rotating rollers 401, there is a clamping and conveying mechanism 402. Below one end of the clamping and conveying mechanism 402, there is a motor. Inside the clamping and conveying mechanism 402, there is a conveyor belt. Below the two sides of the clamping and conveying mechanism 402, there is a lead screw, which can adjust the spacing to match cartons of different sizes. At the upper end of the packaging device 4, there is a fixed plate 403. The fixed plate 403 is slidably connected to the brackets at both ends of the packaging device 4 through a horizontal connecting column. Inside one side bracket, there is a screw rod. The horizontal connecting column is threadedly connected to the screw rod. The upper end of the screw rod is fixedly connected with an adjusting handle 408. Rotating the adjusting handle 408 can adjust the height of the horizontal connecting column and the fixed plate 403. One end of the fixed plate 403 is rotatably connected to a front pressing plate 404. An electric push rod is arranged between the front pressing plate 404 and the fixed plate 403. Below the fixed plate 403, there is a lower pressing plate 405 fixedly connected. At the connection between the lower pressing plate 405 and the horizontal connecting column, there are two stop rods 406. The stop rods 406 are symmetrically arranged along the lower pressing plate 405. After the carton enters the packaging device 4, the cover plate at one end first contacts the lower pressing plate 405 and folds inward. Then, the electric push rod pulls the front pressing plate 404 to press down the cover plate at the other end of the carton. The cover plates on both sides are folded inward under the extrusion of the stop rods 406. Then, the lower pressing plate 405 presses the folded carton tightly to complete the folding. At one end of the fixed plate 403 close to the horizontal connecting column, there is a tape attaching mechanism 407 fixedly connected. The tape attaching mechanism 407 is fixedly connected to the horizontal connecting column. Below the packaging device 4, there is also a tape attaching mechanism 407. The two tape attaching mechanisms 407 are arranged oppositely. On one side of the packaging device 4, there is a second control cabinet 409 fixedly installed.

[0028] As Figure 5As shown, the tape attaching mechanism 407 includes a tape placing roller 41. A connecting plate is rotatably connected to the middle of the tape placing roller 41. The connecting plate is fixedly connected to the vertical plate below. A first guiding roller 42 is rotatably connected to one side of the vertical plate. A second guiding roller 43 is provided below the first guiding roller 42. The second guiding roller 43 is connected to a connecting rod 48 through the connecting plate. The other end of the connecting rod 48 is connected to a third guiding roller 44 through the connecting plate. The second guiding roller 43 and the third guiding roller 44 are rotatably connected to the connecting plate. The tape passes through the surfaces of the three guiding rollers in sequence. When the cardboard box passes by, the second guiding roller 43 contacts the cardboard box first and pastes the tape on its surface at the joint of the cardboard box cover. As the cardboard box moves, the third guiding roller 44 contacts the cardboard box to complete the tape attachment of the latter part of the cardboard box. One end of a connecting plate on one side is connected to a first spring 46. The other end of the first spring 46 is connected to a fixed rod. During operation, the first spring 46 tightens the connecting plate to move the second guiding roller 43 and the third guiding roller 44 away from each other, providing pressure for tape attachment to make the attachment firmer. The fixed rod is fixedly connected to the vertical plate. A cutting knife 45 is rotatably connected to the middle of one side of the vertical plate through the connecting plate. After the cardboard box passes by, the cutting knife 45 cuts the tape. The tape attachment is completed by the third guiding roller 44. One end of the connecting plate is fixedly connected to a second spring 47. The other end of the second spring 47 is fixedly connected to the vertical plate through a fixed column.

[0029] As shown in Figure 1 As shown, a transfer table 5 is provided on the side of the packaging device 4 away from the weighing platform 1. A conveyor belt is installed above the transfer table 5. A baffle is provided at one end of the transfer table 5. A turnover basket 6 is provided on the side of the transfer table 5 away from the packaging device 4. The packaged cardboard boxes enter the transfer table 5 and are transferred into the turnover basket 6 by the staff.

[0030] The principle of the present utility model is as follows: The cardboard box enters from the cardboard box inlet 301 of the cardboard box conveying device 3. After the cover plate at the lower part of the cardboard box is folded, it is sent to the weighing platform 1 through the conveying roller 305. The staff puts the items into the cardboard box and then weighs it. After that, the cardboard box enters the packaging device 4. The cover plate at one end first contacts the lower pressing plate 405 and folds inward. Then, the electric push rod pulls the front pressing plate 404 to press down the cover plate at the other end of the cardboard box. The cover plates on both sides are folded inward under the extrusion of the blocking rod 406. Then, the lower pressing plate 405 presses the folded cardboard box tightly to complete the folding. After that, the cardboard box passes through the upper and lower tape attaching mechanisms 407. The cardboard box first contacts the second guiding roller 43, and the second guiding roller 43 pastes the tape on its surface at the joint of the cardboard box cover plate. As the cardboard box moves forward, the first spring 46 tightens the connecting plate to make the second guiding roller 43 and the third guiding roller 44 move away from each other, providing pressure for tape attachment. Then, the third guiding roller 44 contacts the cardboard box to complete the tape attachment at the rear part of the cardboard box. The cutting knife 45 in the middle cuts the tape after the cardboard box passes through, and the remaining tape is pasted on the cardboard box by the third guiding roller 44 to complete the packaging of the cardboard box. After that, the cardboard box is sent to the transfer table 5, and the staff transfers the cardboard box into the turnover basket 6. Through the cardboard box conveying device 3, the weighing platform 1 and the packaging device 4, the automatic weighing, folding and packaging of the cardboard box are completed, saving manpower and greatly improving the efficiency of cardboard box packaging.

[0031] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A weighing and metering automatic packaging machine, characterized in that: The invention comprises a weighing platform (1), a material platform (2), a carton conveying device (3) and a packaging device (4), wherein the material platform (2) is arranged on one side of the weighing platform (1), and the packaging device (4) is arranged on the other side of the weighing platform (1); the weighing platform (1), the material platform (2) and the packaging device (4) are arranged in a straight line; the carton conveying device (3) is arranged on one side of the weighing platform (1) and is perpendicular to the arrangement direction of the material platform (2) and the packaging device (4); a conveyor belt (101) is arranged above the weighing platform (1); and a display terminal (102) is fixedly connected to one end of the weighing platform (1); The carton conveying device (3) comprises a carton feeding port (301), the carton feeding port (301) is arranged on one side of the carton conveying device (3), a baffle is arranged at the front end of the carton feeding port (301), a first adjusting wheel (302) is arranged on one side of the carton conveying device (3), a middle rotating shaft of the first adjusting wheel (302) is rotatably connected to a side guard plate of the carton feeding port (301), a guide rod (303) is arranged inside the carton conveying device (3), the guide rod (303) is arranged in the direction of extension from the carton feeding port (301) to the inside of the carton conveying device (3), one end of the guide rod (303) is threadedly connected with a rotating shaft, the rotating shaft extends to the outside of the carton conveying device (3) and is fixedly connected to the second adjusting wheel (304), and a plurality of conveying rollers (305) are evenly arranged on one side of the carton conveying device (3); The packaging device (4) comprises a plurality of evenly arranged rotating rollers (401), a clamping and conveying mechanism (402) is provided above the rotating rollers (401), a fixing plate (403) is provided at the upper end of the packaging device (4), the fixing plate (403) is slidably connected to brackets at both ends of the packaging device (4) via transverse connecting columns, a screw is provided inside the bracket on one side, an adjusting handle (408) is fixedly connected to the upper end of the screw, one end of the fixing plate (403) is rotatably connected to a front pressing plate (404), and a lower pressing plate (408) is fixedly connected to the lower end of the fixing plate (403). 405), two baffle bars (406) are arranged at the connection between the lower pressure plate (405) and the transverse connecting column, and the baffle bars (406) are symmetrically arranged along the lower pressure plate (405), and a tape attaching mechanism (407) is fixedly connected to one end of the fixing plate (403) close to the transverse connecting column, and the tape attaching mechanism (407) is fixedly connected to the transverse connecting column. A tape attaching mechanism (407) is also arranged below the packaging device (4), and the two tape attaching mechanisms (407) are arranged opposite to each other. A second control cabinet (409) is fixedly installed on one side of the packaging device (4).

2. The weighing and metering automatic packaging machine according to claim 1 is characterized in that: The tape attaching mechanism (407) comprises a tape placing roller (41), the middle part of the tape placing roller (41) is rotatably connected to a connecting plate, the connecting plate is fixedly connected to a vertical plate below, one side of the vertical plate is rotatably connected to a first guide roller (42), a second guide roller (43) is provided below the first guide roller (42), the second guide roller (43) is connected to a connecting rod (48) through a connecting plate, the other end of the connecting rod (48) is connected to a third guide roller (44) through a connecting plate, the second guide roller (43) and the third guide roller (44) are rotatably connected to the connecting plate, one end of the connecting plate on one side is connected to a first spring (46), the other end of the first spring (46) is connected to a fixed rod, the fixed rod is fixedly connected to the vertical plate, a cutting knife (45) is rotatably connected to the middle part of one side of the vertical plate through a connecting plate, one end of the connecting plate is fixedly connected to a second spring (47), the other end of the second spring (47) is fixedly connected to the vertical plate through a fixed column.

3. The weighing and metering automatic packaging machine according to claim 1 is characterized in that: Two limit rods (306) are arranged above the conveying roller (305), and a first control cabinet (307) is fixedly installed on the outer side of the carton conveying device (3).

4. The weighing and metering automatic packaging machine according to claim 1 is characterized in that: A motor is provided below one end of the clamping and conveying mechanism (402), and a conveying belt is provided inside the clamping and conveying mechanism (402).

5. The weighing and metering automatic packaging machine according to claim 1 is characterized in that: A conveying platform (5) is provided on the side of the packaging device (4) away from the weighing platform (1), a conveying belt is installed above the conveying platform (5), and a baffle is provided at one end of the conveying platform (5).

6. The weighing and metering automatic packaging machine according to claim 5, characterized in that: A turnover basket (6) is provided on the side of the conveying platform (5) away from the packaging device (4).

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