A double-row labeling machine for packaged vegetables with variable rows and columns

Abstract

The present invention relates to a vegetable packaging equipment. The purpose is to provide a double-row labeling machine for packaged vegetables with variable rows and columns, which can complete the labeling work of the side and top surfaces of packaged vegetables under different working conditions, and has the characteristics of high work efficiency and investment saving. The technical solution is a double-row labeling machine for packaged vegetables with variable rows and columns; it is characterized in that: the conveyor includes a fixed conveyor with a fixed working position and a movable conveyor with an adjustable working position; the labeling machine is a double-row labeling machine with an adjustable labeling working position.

Description

Technical Field

[0001] The invention relates to vegetable packaging equipment, in particular to a double-row labeling machine for packaging vegetables with variable rows and columns. Background Art

[0002] The labeling machine is an indispensable component of modern packaging, especially for various packaged vegetables. CN217673692U discloses a labeling device for vegetable packaging; the device comprises a machine base, a conveyor belt is arranged on one side of the top of the machine base, a No. 1 connecting frame is fixedly connected to the sides of the machine base near the conveyor belt, a labeling machine is bolted to the inner side of the No. 1 connecting frame relative to the conveyor belt, a No. 2 connecting frame is fixedly connected to the top of the machine base near the No. 1 connecting frame near the conveyor belt input side, a limiting guide plate is slidably arranged on one side below the No. 2 connecting frame, and a material discharge slope is fixedly connected to the side of the machine base away from the No. 2 connecting frame; the advantages of the device are that it is convenient to transport different types of vegetables, and the guiding positioning is more efficient and stable, so that the labeling can be performed more accurately.

[0003] However, the above device is difficult to solve the problem of changing the labeling position of different labeling objects during operation; for example, when switching from a packaged vegetable box that needs to be labeled on the side to a packaged vegetable box that needs to be labeled on the top, it is necessary to manually change the placement of the packaged vegetable box, or set up multiple additional labeling production lines. This leads to low labeling efficiency and high investment costs for labeling equipment. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned background technology and to provide a double-row labeling machine for packaged vegetables with variable rows and columns. The machine can complete labeling work under different working conditions on the side and top surfaces of packaged vegetables and has the characteristics of high work efficiency and investment saving.

[0005] The technical solution provided by the present invention is:

[0006] A double-row labeling machine for packaged vegetables with variable rows and columns, comprising a horizontally arranged conveyor and a labeling machine for labeling vegetables transported by the conveyor;

[0007] The invention is characterized in that: the conveyor comprises a fixed conveyor with a fixed working position and a movable conveyor with an adjustable working position; the labeling machine is a double-row labeling machine with an adjustable labeling working position.

[0008] The double-row labeling machine is installed on a guide rail trolley that can run along the guide rail to adjust the labeling working position; the guide rail is vertically installed on one side of the conveyor as a working position of the double-row labeling machine; the top of the guide rail extends horizontally to the top of the conveyor to form a second working position of the double-row labeling machine.

[0009] The movable conveyor comprises a conveying component, two swing mechanisms respectively connected to the two ends of the conveying component and capable of simultaneously driving the conveying component to swing, and a fixing component for fixing the working position of the conveying component.

[0010] The conveying assembly comprises a horizontally arranged conveying frame, two conveying rollers arranged parallel to each other at two ends of the conveying frame, a conveying belt arranged on the two conveying rollers, and a conveying motor driving the conveying rollers through a transmission component.

[0011] The swing mechanism comprises a swing rod connecting frame connected to the conveying frame, a transmission assembly fixed on the conveyor frame and driven by a swing rod motor, and a swing rod with two ends respectively hinged to the output shaft of the transmission assembly and the swing rod connecting frame.

[0012] The fixing assembly includes two lower strong magnetic fixing seats respectively located on the left side of the conveyor frame and two upper strong magnetic fixing seats located on the right side of the fixed conveyor, and two magnetic suction bosses located on the left side of the movable conveyor; the two magnetic suction bosses can be attracted correspondingly with the two upper strong magnetic fixing seats of the conveyor frame, or with the two upper strong magnetic fixing seats of the fixed conveyor, so as to fix the position of the movable conveyor.

[0013] The guide rail trolley comprises two movable clamps which are installed on one side of the trolley bottom plate and can move on the guide rail, and a cylinder which is fixed on the other side of the trolley bottom plate and is used to connect with the double-row labeling machine.

[0014] The two movable clamps are arranged correspondingly to each other and are slidably positioned on two sliding rods respectively. The two movable clamps are also respectively subjected to the force of a tension spring and have the potential energy to move towards each other; the two sliding rods are arranged parallel to each other and the bottom ends are fixed on the bottom plate of the trolley, and one of the movable clamps is also fixed to the bottom plate of the trolley.

[0015] Each movable chuck includes two roller shaft side plates that can respectively cooperate with two sliding rods, two rollers that are parallel to each other and rotatably positioned on the two roller shaft side plates, two rollers fixed on each roller, a passive gear fixed on each roller, and a trolley motor fixed on the trolley bottom plate and driving the passive gear through a transmission gear set.

[0016] The transmission gear set comprises a first bevel gear fixed on the motor shaft, a second bevel gear meshing with the first bevel gear, and a spur gear connected with the second bevel gear to form a double gear.

[0017] The double-row labeling machine comprises a left labeling machine and a right labeling machine which are arranged side by side and connected by a labeling machine connecting rod.

[0018] The beneficial effects of the present invention are:

[0019] 1) The present invention realizes the vertical three-dimensional arrangement of two conveyors through the rotation of the rocker motor, and simultaneously realizes the side labeling of double-row vegetable packaging boxes.

[0020] 2) The present invention realizes the left-right side-by-side arrangement of two conveyors through the rotation of the rocker motor, and simultaneously realizes the top surface labeling of the double-row vegetable packaging boxes.

[0021] 3) The present invention uses a guide rail trolley to allow the double-row labeling machine to reach any specified labeling working position according to the shape of the guide rail, and realizes labeling at different heights (for top surface labeling) or different positions (for side labeling) by adjusting the cylinder stroke between the trolley and the labeling machine.

[0022] 4) It can realize double-row or double-column labeling work at different positions, which can effectively improve work efficiency and save investment, and is suitable for promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the side labeling posture of the present invention

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the side labeling posture conveyor of the present invention.

[0025] Figure 3 This is a schematic diagram of the top labeling posture three-dimensional structure of the present invention

[0026] Figure 4 It is one of the three-dimensional schematic diagrams of the guide rail trolley transmission structure of the present invention.

[0027] Figure 5 This is the second three-dimensional schematic diagram of the guide rail trolley transmission structure of the present invention (for clarity of the drawing, the trolley motor and the transmission gear set are removed from the figure).

[0028] Figure 6 It is a schematic structural diagram of the retractable double-row labeling machine of the present invention.

[0029] Reference Numbers

[0030] 1-1, guide rail; 1-2, packaging vegetable box; 1-3, fixed conveyor; 1-4 movable conveyor; 1-6, conveyor frame; 1-7, double-row labeling machine; 1-8, guide rail trolley; 1-12, ground; 2-1, swing arm connecting frame; 2-2, swing arm; 2-3, swing arm motor; 2-4, magnetic suction boss; 2-5, lower strong magnetic fixing seat; 2-6, conveying motor; 3-1, packaging vegetable box; 3-2, upper strong magnetic fixing seat; 3-3, limit boss ;4-1, passive gear;4-2, roller;4-3, trolley roller shaft;4-4, trolley bottom plate;4-5, lower roller connecting block;4-6, tension spring;4-7, upper roller connecting block;4-8, slide bar;4-9, roller shaft side plate;4-10, first bevel gear;4-11, second bevel gear;4-12, spur gear;4-13, trolley motor;5-1, cylinder;5-2, left labeling machine;5-3, labeling machine connecting rod;5-4, right labeling machine. DETAILED DESCRIPTION

[0031] The following is a further description with reference to the embodiments shown in the accompanying drawings.

[0032] For the convenience of description, Figure 1 The direction of the arrow in the middle indicates the running direction of the conveyor.

[0033] Figure 1 The variable-row double-row labeling machine for packaged vegetables comprises: a guide rail 1-1 installed on the left side of the labeling work area, a trolley 1-8 installed on the guide rail, and a double-row labeling machine 1-7 installed on the trolley; as required, a movable feed conveyor and a movable discharge conveyor can be installed at both ends of the movable conveyor 1-4, and a fixed feed conveyor and a fixed discharge conveyor can be installed at both ends of the fixed conveyor 1-3 (for the sake of clarity of the drawing, the movable feed conveyor, the movable discharge conveyor, the fixed feed conveyor, and the fixed discharge conveyor are omitted). The structure of the fixed conveyor is the same as that of the prior art, including a conveying assembly fixed on a conveyor frame, wherein the conveying assembly includes a horizontally arranged conveying frame, two conveying rollers arranged parallel to each other at both ends of the conveying frame, a conveyor belt tensioned on the two conveying rollers, and a conveying motor 2-6 for driving the conveying rollers.

[0034] As can be seen from the figure: the structure of the movable conveyor includes a conveying assembly, two swing mechanisms connected to the two ends of the conveying assembly and capable of driving the conveying assembly to swing, and a fixed assembly that fixes the working position of the conveying assembly. The conveying assembly is similar in structure to the conveying assembly of the fixed conveyor, and also includes a horizontally arranged conveying frame, two conveying rollers arranged parallel to each other at the two ends of the conveying frame, a conveying belt arranged on the two conveying rollers, and a conveying motor that drives the conveying rollers.

[0035] like Figure 2As shown, in the swing mechanism, the swing rod connecting frame 2-1 is fixed to the head end or the tail end of the conveying frame, one end of the swing rod 2-2 is hinged to the swing rod connecting frame and the other end is hinged to the output shaft of the transmission assembly, and the power for the swing of the swing rod is provided by the swing rod motor 2-3 fixed to the conveyor frame through the transmission assembly (preferably a reducer; omitted in the figure). At least two magnetic suction bosses 2-4 protruding outward are provided on one side of the conveying frame (the left side is shown in the figure), and the position of the magnetic suction bosses corresponds one-to-one with the lower strong magnetic fixing seat 2-5 below the conveyor frame, so that the magnetic suction bosses can be sucked in and positioned one-to-one in the semicircular recess of the lower strong magnetic fixing seat. Two upper strong magnetic fixing seats 3-2 are arranged on the right side of the conveying frame of the fixed conveyor. The upper strong magnetic fixing seats have the same structure as the lower strong magnetic fixing seats, and are both semicircular recesses with openings facing downwards. When the conveying frame in the movable conveyor is swung to the top of the conveyor frame, the magnetic suction bosses are just embedded in the semicircular recesses of the upper strong magnetic fixing seats one by one and are fixed by strong magnetic attraction, so that the working position of the labeling machine can be fixed and will not slide down.

[0036] like Figure 3 As shown, after the two rocker motors 2-3 rotate 270° counterclockwise, the movable conveyor rises to the right side of the fixed conveyor and is parallel to the fixed conveyor, and the magnetic boss of the conveying frame is firmly attracted by the upper strong magnetic fixing seat 3-2, thereby fixing the position of the movable conveyor; at the same time, the guide trolley runs to move the double-row labeling machine to the labeling working position at the top of the guide rail.

[0037] The double-row labeling machine is installed on a guide rail trolley that can run along the guide rail, so as to adjust the labeling working position; the guide rail is vertically installed on one side of the conveyor, and the limiting boss 3-3 therein defines a position of the guide rail trolley (the trolley can be positioned on the limiting boss for labeling operations), which serves as a working position of the double-row labeling machine; the top of the guide rail extends horizontally to the other side (horizontally extending to the right in the figure) to the top of the conveyor, so as to facilitate the double-row labeling machine to reach the second working position.

[0038] Figure 4 The guide rail trolley 1-8 comprises two movable clamps mounted on one side of the trolley bottom plate 4-4 and movable on the guide rail, and a cylinder 5-1 fixed on the other side of the trolley bottom plate for connecting to the double-row labeling machine.

[0039] The two movable clamps are arranged opposite to each other and are slidably sleeved on the two slide bars 4-8. The two movable clamps are also respectively subjected to the force of a tension spring 4-6 and have the potential energy of moving toward each other, so that the two movable clamps clamp the guide rails in two corresponding directions; Figure 5It can be seen that: the bottom ends of the two slide bars are respectively fixed on the trolley bottom plate 4-4 and are arranged parallel to each other; among the two movable chucks, the two roller shaft side plates 4-9 of the lower movable chuck are respectively fixed to the two slide bars and the trolley bottom plate through the lower roller connecting block 4-5; and the two roller shaft side plates of the upper movable chuck are respectively slidably inserted on the two slide bars through the upper roller connecting block 4-7; the two ends of the tension spring 4-6 inserted on the slide bar are respectively connected to the upper roller connecting block and the lower roller connecting block and apply tensioning force, so that the two movable chucks have the clamping force of clamping the guide rail.

[0040] In each movable chuck, two roller shaft side plates 4-9 are matched with two slide bars respectively, two rollers 4-3 are arranged parallel to each other and the two ends of the two rollers are rotatably positioned on the two roller shaft side plates through bearings (bearings omitted in the figure), and two rollers 4-2 are fixed on each roller; each roller is also fixed with a passive gear 4-1, and the trolley motor 4-13 is fixed on the housing of the guide rail trolley and drives the two passive gears 4-1 at the same time through the transmission gear set, thereby driving the guide rail trolley to move along the guide rail. The rollers can be made of rubber or nylon materials to ensure sufficient friction with the guide rail; the guide rail is preferably made of steel, and its contact surface with the rollers can also be made into a relatively rough surface (such as a mesh surface) to ensure the accuracy of the trolley during movement.

[0041] The transmission gear set includes a first bevel gear 4-10 fixed on the motor shaft, a second bevel gear 4-11 meshing with the first bevel gear, and a spur gear 4-12 coaxially connected with the second bevel gear to form a double gear; the spur gear is meshed with two passive gears 4-1 at the same time. In the transmission gear set, the gear shafts of all gears are rotatably positioned on the housing of the guide rail trolley through bearings (the housing of the guide rail trolley is fixedly connected to the two upper roller connecting blocks 4-7).

[0042] like Figure 6 In the double-row labeling machine shown, the left labeling machine 5-2 and the right labeling machine 5-4 are connected by a labeling machine connecting rod 5-3, and the middle position of the labeling machine connecting rod is fixed to the push rod of the cylinder 5-1; when the height of the labeled object changes, the cylinder adjusts the stroke according to the height of the object, thereby realizing the function of real-time change of the labeling height.

[0043] The working principle of the present invention is as follows:

[0044] When in the side labeling working mode, the two labeling machines of the present invention need to be moved to a position arranged up and down. Figure 1As shown, part of the packaged vegetable boxes that need to be labeled on the side are conveyed from the upper feed conveyor to the fixed conveyor, and the other part enters the movable conveyor below through the lower feed conveyor; at this time, the guide rail trolley is on the left side of the labeling machine. When the packaged vegetable boxes 1-2 pass through the working area of ​​the labeling machine, the labeling machine prints and peels off the labels. The peeled labels rub against the side of the packaged vegetable boxes and stick to the packaged vegetable boxes. The packaged vegetable boxes on the fixed conveyor above directly enter the fixed discharge conveyor and enter the next process, and the packaged vegetable boxes on the movable conveyor below enter the movable discharge conveyor and enter the next process. This is to complete the side labeling work of the upper and lower rows of packaged vegetable boxes.

[0045] When in the top surface labeling working mode, the two labeling machines of the present invention need to move to the left and right rows side by side. At this time, the guide rail trolley is driven by the trolley motor to move upward along the guide rail; the tension spring allows the trolley to move tightly against the guide rail surface during operation until it moves to the designated side-by-side labeling work position at the top of the guide rail. Then the two rocker motors rotate 270° counterclockwise at the same time, so that the two magnetic bosses of the movable conveyor are disengaged from the strong magnetic fixing seat at the lower end of the conveyor frame, and the movable conveyor rotates to the top of the conveyor frame and is placed side by side with the fixed conveyor, and the two magnetic bosses are fixed one by one with the strong magnetic fixing seat at the upper end of the frame. When the guide trolley and the movable conveyor arrive at the designated working position, the packaged vegetable box 3-1 is transported by the upper conveyor to the fixed conveyor and the movable conveyor arranged side by side, and at the same time, the two labeling machines peel off the label paper; when the packaged vegetable box on the two conveyor belts passes under the label, the label paper is peeled off and pasted to the top of the packaged vegetable box, and then transported to the next conveyor to enter the next process, which completes the top labeling work of the packaged vegetable box.

[0046] Taking into account that the heights of different types of packaged vegetables may vary greatly, labeling at different heights (for top labeling) or different positions (for side labeling) can be achieved by adjusting the cylinder stroke between the trolley and the labeling machine (increasing or decreasing the cylinder stroke).

Claims

1. A double-row labeling machine for packaged vegetables with variable rows and columns, comprising a horizontally arranged conveyor and a labeling machine for labeling vegetables transported by the conveyor; Features: The conveyor comprises a fixed conveyor (1-3) with a fixed working position and a movable conveyor (1-4) with an adjustable working position; the labeling machine is a double-row labeling machine (1-7) with an adjustable labeling working position; The double-row labeling machine is installed on a guide rail trolley (1-8) that can run along the guide rail (1-1) so as to adjust the labeling working position; the guide rail is vertically installed on one side of the conveyor as a working position of the double-row labeling machine; the top of the guide rail extends horizontally to the top of the conveyor to form a second working position of the double-row labeling machine; The movable conveyor includes a conveying assembly, two swing mechanisms respectively connected to the two ends of the conveying assembly and capable of simultaneously driving the conveying assembly to swing, and a fixing assembly for fixing the working position of the conveying assembly; The conveying assembly comprises a horizontally arranged conveying frame, two conveying rollers arranged parallel to each other at both ends of the conveying frame, a conveying belt arranged on the two conveying rollers, and a conveying motor (2-6) driving the conveying rollers; The swing mechanism comprises a swing rod connecting frame (2-1) connected to the conveying frame, a transmission component fixed on the conveyor frame (1-6) and driven by a swing rod motor (2-3), and a swing rod (2-2) with two ends respectively hinged to the output shaft of the transmission component and the swing rod connecting frame; The fixing assembly comprises two lower strong magnetic fixing seats (2-5) respectively located at the left side of the conveyor frame and two upper strong magnetic fixing seats (3-2) located at the right side of the fixed conveyor, and two magnetic suction bosses (2-4) located at the left side of the movable conveyor; the two magnetic suction bosses can be attracted correspondingly with the two lower strong magnetic fixing seats of the conveyor frame, or attracted correspondingly with the two upper strong magnetic fixing seats of the fixed conveyor, so as to realize the position fixation of the movable conveyor.

2. The double-row labeling machine for packaged vegetables with variable rows and columns according to claim 1, Features: The guide rail trolley comprises two movable clamps installed on one side of the trolley bottom plate and movable on the guide rail, and a cylinder (5-1) fixed on the other side of the trolley bottom plate and used for connecting to the double-row labeling machine.

3. The double-row labeling machine for packaged vegetables with variable rows and columns according to claim 2, Features: The two movable clamps are arranged opposite to each other and are respectively slidably positioned on two slide bars (4-8). The two movable clamps are also respectively subjected to forces from a tension spring (4-6) and have potential energy for moving toward each other. The two slide bars are arranged parallel to each other and the bottom ends are fixed on the bottom plate of the trolley. One of the movable clamps is also fixed to the bottom plate of the trolley.

4. The double-row labeling machine for packaged vegetables with variable rows and columns according to claim 3, Features: Each movable chuck comprises two roller shaft side plates respectively matched with two slide bars, two rollers which are parallel to each other and rotatably positioned on the two roller shaft side plates, two rollers (4-2) fixed on each roller, a passive gear (4-1) fixed on each roller, and a trolley motor (4-13) fixed on the trolley bottom plate and driving the passive gear through a transmission gear set.

5. The double-row labeling machine for packaged vegetables with variable rows and columns according to claim 4, Features: The transmission gear set comprises a first bevel gear (4-10) fixed on the motor shaft, a second bevel gear (4-11) meshing with the first bevel gear, and a spur gear (4-12) connected with the second bevel gear to form a double gear.

6. The double-row labeling machine for packaged vegetables with variable rows and columns according to claim 5, Features: The double-row labeling machine comprises a left labeling machine (5-2) and a right labeling machine (5-4) which are arranged side by side and connected by a labeling machine connecting rod.

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