Plastic meal box production stacking device facilitating stable discharging

Abstract

The utility model relates to the technical field of stacking devices for lunch box production, and discloses a plastic lunch box production stacking device convenient for stable blanking, which comprises a main body frame, a lifting platform positioned at the bottom end in the main body frame and adjusting limiting plates positioned at two ends in the main body frame, the lifting platform comprises a movable groove formed in the middle position of one side of the main body frame. The adjusting block is arranged in the middle of one side of the lifting table, and protruding blocks are arranged at the two ends of the other side of the lifting table. The adjusting block can drive the lifting table to move up and down through the first servo motor and the lead screw, the lifting table can move up and down more stably through the protruding block and the supporting rod, the position of the lifting table can be adjusted to the top end in the main body frame, and along with stacking of meal boxes on the lifting table, the lifting table slowly moves downwards, so that the meal boxes are stacked up. And therefore, the falling distance of the lunch boxes is reduced, the situation that the lunch boxes are reversely buckled is prevented, and the plastic lunch boxes are conveniently stacked.

Description

Technical Field

[0001] The utility model relates to the technical field of stacking devices for lunch box production, in particular to a stacking device for plastic lunch box production which is convenient for stable material unloading. Background Art

[0002] Plastic lunch boxes are plastic containers made of food-grade plastic raw materials for the convenience of taking out food. They are a very common household plastic product in our daily life. In the production process of plastic lunch boxes, the plastic lunch boxes need to be stacked by a stacking device.

[0003] Application No. CN202021740694.X discloses a plastic lunch box production technology field, including a conveyor belt, a lunch box is arranged above the conveyor belt, and a mounting frame is arranged on one side of the conveyor belt... The open end of a lunch box is buckled on the bottom end of another lunch box for stacking, and automatic stacking is completed. Through the above scheme, the number of manual stacking is reduced, the labor intensity of the workers is reduced, and the stacking efficiency is improved; this type of stacking device directly causes the lunch box to fall to the bottom of the device. During the falling process, due to the low weight of the lunch box, the lunch box is easily inverted, resulting in insufficient stability in the stacking of the lunch boxes, and the lunch boxes of different sizes cannot be limited, resulting in poor stacking effect of the lunch boxes. Utility Model Content

[0004] The utility model aims to provide a palletizing device for producing plastic lunch boxes which is convenient for stably unloading materials, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a stacking device for the production of plastic lunch boxes that is convenient for stable unloading, comprising a main frame, a lifting platform located at the bottom end of the main frame, and adjustment limit plates located at both ends of the main frame, wherein the lifting platform comprises:

[0006] A movable slot is arranged at the middle position of one side of the main frame;

[0007] An adjusting block is arranged in the middle of one side of the lifting platform, and protrusions are arranged at both ends of the other side of the lifting platform;

[0008] A plurality of groups of support rods are arranged on one side of the interior of the main frame;

[0009] Mounting blocks are arranged at the top and bottom of one side of the main frame, and a servo motor is installed on the top of a group of mounting blocks;

[0010] A lead screw is arranged at an output end of the servo motor.

[0011] Preferably, adjustment grooves are provided at the middle positions of the interior of the lifting platform and the bottom of the main frame, guide plates are provided at the tops of the two groups of adjustment limit plates, limit rods penetrating through the two ends of the main frame are provided at the tops of one ends of the two groups of adjustment limit plates, servo motor 2 is installed at the bottom of one end of the main frame, and the output end of the servo motor 2 is connected to a bidirectional screw penetrating through the interior of the adjustment limit plate.

[0012] Preferably, a material drop opening is provided at the top of the main frame, a movable door is provided at the middle position of one side of the main frame, and a hinge is provided at the bottom end of the movable door.

[0013] Preferably, a threaded hole that matches the screw rod is provided inside the adjusting block, and the screw rod passes through the inside of the threaded hole, and one end of the adjusting block passes through a side of the main frame through a movable groove.

[0014] Preferably, the adjustment block is movably connected to the main frame via a movable groove, and the servo motor is detachably connected to a set of mounting blocks via fixing bolts.

[0015] Preferably, a movable hole is provided inside the protrusion, and the support rod penetrates into the movable hole, and the protrusion is movably connected to the support rod through the movable hole.

[0016] Preferably, the adjustment limit plate is movably connected to the lifting platform and the main frame through the adjustment slot, and the tops of both ends of the main frame are provided with limit holes, and the limit rods penetrate into the limit holes.

[0017] Preferably, the bottom ends of the two groups of adjustment limit plates are both provided with threaded holes matching the bidirectional screws, and the two groups of adjustment limit plates are threadedly connected to the bidirectional screws through the threaded holes.

[0018] Preferably, a groove is provided on the top of the main frame on one side close to the movable door, and the movable door is movably connected to the main frame via a hinge.

[0019] Preferably, a lock is provided at the top of the main frame on one side close to the movable door, and supporting legs are provided at the four corners of the bottom of the main frame.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. The utility model can drive the lifting platform to move up and down by the adjustment block through the servo motor and the screw rod, and the up and down movement of the lifting platform is more stable through the convex block and the support rod. The position of the lifting platform can be adjusted to the top of the main frame. As the lunch boxes are stacked on the lifting platform, the lifting platform moves slowly downward, thereby reducing the distance the lunch boxes fall, preventing the lunch boxes from being inverted, and facilitating the stacking of plastic lunch boxes;

[0022] 2. The utility model can adjust the two sets of adjustment limit plates towards each other through the servo motor, the bidirectional screw and the adjustment slot. The adjustment of the two sets of adjustment limit plates is more stable through the limit rod, so that lunch boxes of different sizes can be limited, which is convenient for stacking the lunch boxes and improves the practicality of the stacking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0024] Figure 1 It is a structural schematic diagram of the utility model.

[0025] Figure 2 It is a cross-sectional view of the utility model.

[0026] Figure 3 It is a side view of the utility model.

[0027] In the figure: 1. Main frame; 101. Dropping port; 102. Movable door; 103. Hinge; 2. Lifting platform; 201. Movable slot; 202. Adjusting block; 203. Bump; 204. Support rod; 205. Servo motor 1; 206. Screw; 207. Mounting block; 3. Adjusting limit plate; 301. Adjusting slot; 302. Guide plate; 303. Limit rod; 304. Servo motor 2; 305. Bidirectional screw. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0029] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-3 , the utility model provides a stacking device for the production of plastic lunch boxes that is convenient for stable unloading. Embodiment: A stacking device for the production of plastic lunch boxes that is convenient for stable unloading, comprising a main frame 1, a lifting platform 2 located at the bottom end of the main frame 1, and adjustment limit plates 3 located at both ends of the main frame 1, the lifting platform 2 comprising: a movable groove 201 arranged at the middle position of one side of the main frame 1; an adjustment block 202 arranged at the middle position of one side of the lifting platform 2, and both ends of the other side of the lifting platform 2 are provided with protrusions 203; multiple groups of support rods 204 arranged on one side of the main frame 1, through the protrusions 203 and the support rods 204, the up and down movement of the lifting platform 2 is more stable; a mounting block 207 arranged at the top and bottom ends of one side of the main frame 1, and a servo motor 205 is installed on the top of a group of mounting blocks 207; a screw rod 206 arranged at the output end of the servo motor 205, the screw rod 206 can be driven to rotate by the servo motor 205, and the adjustment block 202 can drive the lifting platform 2 to move up and down.

[0033] Please refer to Figure 1 and Figure 2, adjustment slots 301 are provided at the middle positions of the interior of the lifting platform 2 and the bottom of the main frame 1, which are convenient for adjusting the two sets of adjustment limit plates 3, and guide plates 302 are provided on the tops of the two sets of adjustment limit plates 3, which are convenient for guiding the lunch box to fall between the two sets of adjustment limit plates 3, and the tops of one end of the two sets of adjustment limit plates 3 are provided with limit rods 303 that penetrate through the two ends of the main frame 1. The limit rods 303 make the adjustment of the two sets of adjustment limit plates 3 more stable, and a servo motor 2 304 is installed at the bottom of one end of the main frame 1, and the output end of the servo motor 2 304 is connected to a bidirectional screw 305 that penetrates through the inside of the adjustment limit plate 3. The servo motor 2 304 can drive the bidirectional screw 305 to rotate, so as to realize the relative adjustment of the two sets of adjustment limit plates 3, which is convenient for limiting the use of lunch boxes of different sizes.

[0034] Please refer to Figure 1 and Figure 3 A feeding port 101 is provided at the top of the main frame 1, through which the lunch box can fall on the top of the lifting platform 2. A movable door 102 is provided at the middle position of one side of the main frame 1, and a hinge 103 is provided at the bottom end of the movable door 102, which is convenient for opening and closing the movable door 102 through the hinge 103.

[0035] Please refer to Figure 1 and Figure 2 , a threaded hole that matches the screw rod 206 is arranged inside the adjusting block 202, and the screw rod 206 penetrates into the inside of the threaded hole to provide power for the up and down movement of the adjusting block 202, one end of the adjusting block 202 penetrates into one side of the main frame 1 through the movable groove 201, and the adjusting block 202 can be moved with the main frame 1 through the movable groove 201, and the adjusting block 202 is movably connected with the main frame 1 through the movable groove 201, and the servo motor 205 is detachably connected with a group of mounting blocks 207 through fixing bolts, and a movable hole is arranged inside the protrusion 203, and the support rod 204 penetrates into the inside of the movable hole, and the protrusion 203 is movably connected with the support rod 204 through the movable hole, and the protrusion 203 and the support rod 204 can be moved through the movable hole to make the lifting The up and down movement of the lowering platform 2 is more stable, and the adjustment limit plate 3 is movably connected with the lifting platform 2 and the main frame 1 through the adjustment slot 301. The adjustment limit plate 3 can be moved with the lifting platform 2 and the main frame 1 through the adjustment slot 301. Limit holes are set at the tops of both ends of the main frame 1, and the limit rods 303 penetrate into the limit holes. The adjustment of the two groups of adjustment limit plates 3 is more stable through the limit rods 303. The bottom ends of the two groups of adjustment limit plates 3 are set with threaded holes matching the bidirectional screw 305. The two groups of adjustment limit plates 3 are threadedly connected with the bidirectional screw 305 through the threaded holes, which plays the effect of limit adjustment, and realizes the relative adjustment of the two groups of adjustment limit plates 3. Lunch boxes of different sizes can be limited, which is convenient for stacking lunch boxes of different sizes.

[0036] Please refer to Figure 1 and Figure 3 A groove is provided at the top of the main frame 1 near the movable door 102, through which the top of the movable door 102 can be engaged with the main frame 1, which is convenient for using the movable door 102. The movable door 102 is movably connected to the main frame 1 through a hinge 103, and one side of the main frame 1 can be opened and closed, which is convenient for taking out the stacked lunch boxes. A lock is provided at the top of the main frame 1 near the movable door 102, and the movable door 102 can be limited by the lock. Support legs are provided at the four corners of the bottom of the main frame 1, which have a supporting effect and make the use of the stacking device more stable.

[0037] Working principle: Before using the utility model, the stacking device is fixed at the discharge port of the plastic lunch box production line. When in use, the power is turned on, and the servo motor 205 drives the screw rod 206 to rotate. The screw rod 206 cooperates with the threaded hole inside the adjustment block 202. Through the movable hole, the convex block 203 and the support rod 204 can move, so that the adjustment block 202 can drive the lifting platform 2 to adjust up and down stably. First, the lifting platform 2 is adjusted to the top of the main frame 1, and the bidirectional screw 305 is driven to rotate by the servo motor 2 304. The bidirectional screw 305 and the two The threaded holes inside the two sets of adjustable limit plates 3 cooperate with each other, so that the two sets of adjustable limit plates 3 can be adjusted towards each other, so that plastic lunch boxes of different sizes can be limited. The lunch boxes are guided between the two sets of adjustable limit plates 3 through the guide plate 302 and fall on the lifting platform 2. As the lunch boxes are stacked on the lifting platform 2, the servo motor 205 can drive the screw rod 206 to slowly move the lifting platform 2 downward, thereby reducing the falling distance of the lunch boxes and preventing the lunch boxes from being inverted, which is convenient for stacking the plastic lunch boxes. After the stacking is completed, the movable door 102 is opened to take the lunch boxes out of the stacking device.

[0038] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A palletizing device for the production of plastic lunch boxes that facilitates stable unloading, characterized in that: The invention comprises a main frame (1), a lifting platform (2) located at the bottom end of the main frame (1), and adjustment limit plates (3) located at both ends of the main frame (1), wherein the lifting platform (2) comprises: A movable groove (201) is arranged at a middle position on one side of the main frame (1); An adjustment block (202) is arranged at a middle position on one side of the lifting platform (2), and protrusions (203) are arranged at both ends of the other side of the lifting platform (2); A plurality of groups of support rods (204) are arranged on one side inside the main frame (1); Mounting blocks (207) are arranged at the top and bottom of one side of the main frame (1), and a servo motor (205) is installed on the top of a group of mounting blocks (207); A lead screw (206) is arranged at the output end of a servo motor (205).

2. A palletizing device for producing plastic lunch boxes that facilitates stable unloading according to claim 1, characterized in that: An adjustment slot (301) is provided at the middle position of the interior of the lifting platform (2) and the bottom of the main frame (1); a material guide plate (302) is provided at the top of the two sets of adjustment limit plates (3); a limit rod (303) is provided at the top of one end of the two sets of adjustment limit plates (3) and passes through the two ends of the main frame (1); a servo motor 2 (304) is installed at the bottom of one end of the main frame (1); and the output end of the servo motor 2 (304) is connected to a bidirectional screw (305) that passes through the interior of the adjustment limit plate (3).

3. A palletizing device for producing plastic lunch boxes that facilitates stable unloading according to claim 1, characterized in that: A material drop opening (101) is provided at the top of the main frame (1), a movable door (102) is provided at the middle position of one side of the main frame (1), and a hinge (103) is provided at the bottom end of the movable door (102).

4. A palletizing device for producing plastic lunch boxes that facilitates stable unloading according to claim 1, characterized in that: The adjusting block (202) is provided with a threaded hole which matches the screw rod (206), and the screw rod (206) penetrates into the threaded hole. One end of the adjusting block (202) penetrates into one side of the main frame (1) through the movable groove (201).

5. A palletizing device for producing plastic lunch boxes that facilitates stable unloading according to claim 1, characterized in that: The adjustment block (202) is movably connected to the main frame (1) via a movable groove (201), and the servo motor 1 (205) is detachably connected to a set of mounting blocks (207) via fixing bolts.

6. A palletizing device for producing plastic lunch boxes that facilitates stable unloading according to claim 1, characterized in that: A movable hole is provided inside the convex block (203), and the support rod (204) penetrates into the movable hole, and the convex block (203) is movably connected to the support rod (204) through the movable hole.

7. A palletizing device for producing plastic lunch boxes that facilitates stable unloading according to claim 2, characterized in that: The adjustment limit plate (3) is movably connected to the lifting platform (2) and the main frame (1) via the adjustment slot (301); the tops of both ends of the main frame (1) are provided with limit holes, and the limit rods (303) penetrate into the limit holes.

8. The palletizing device for producing plastic lunch boxes that facilitates stable unloading according to claim 2, characterized in that: The bottom ends of the two sets of adjustment limit plates (3) are both provided with threaded holes matching the bidirectional screw rod (305), and the two sets of adjustment limit plates (3) are threadedly connected to the bidirectional screw rod (305) via the threaded holes.

9. A palletizing device for producing plastic lunch boxes that facilitates stable unloading according to claim 3, characterized in that: A groove is provided at the top of the main frame (1) on one side close to the movable door (102), and the movable door (102) is movably connected to the main frame (1) via a hinge (103).

10. The palletizing device for producing plastic lunch boxes that facilitates stable unloading according to claim 3, characterized in that: A lock is provided at the top of the main frame (1) on one side close to the movable door (102), and support legs are provided at the four corners of the bottom of the main frame (1).

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