A disposable lunch box trimming device

Abstract

This invention relates to the field of edge trimming device technology, specifically to a disposable lunch box edge trimming device, comprising: a fixed base plate, a guide plate and a drive motor disposed below the fixed base plate, a first lifting and limiting groove formed on the surface of the guide plate, a connecting pipe connected below the drive motor, and a limiting cutting plate slidably fitted on the surface of the connecting pipe; a sliding sleeve fixedly installed in the middle of the limiting cutting plate, and a connecting arm disposed on one side of the sliding sleeve; a telescopic tube installed at one end of the connecting arm, a telescopic rod slidably inserted inside the telescopic tube, and a cutting head installed at the end of the telescopic rod near the limiting cutting plate; during the process of the suction cup housing extending into the lunch box, the edge of the lunch box adheres to the limiting cutting plate and lifts the limiting cutting plate, the limiting cutting plate drives the connecting arm to rise through the sliding sleeve and rotating ring, and the connecting arm drives the telescopic rod and the cutting head to rise synchronously through the telescopic tube, so that the cutting head is always located on the side of the limiting cutting plate, thereby realizing the processing of lunch boxes of different depths.

Description

Technical Field

[0001] This invention relates to the field of edge trimming devices, specifically an edge trimming device for disposable lunch boxes. Background Technology

[0002] Disposable lunch boxes are usually manufactured through thermoforming. After the lunch box is demolded from the mold, there will be an irregular excess edge around the outer edge of the lunch box body. The excess edge needs to be cut off by an edge trimming device to give the lunch box a neat, smooth and safe final outline to meet the requirements of product appearance, safety of use and subsequent packaging.

[0003] In the prior art, patent CN119408026A discloses a disposable lunch box trimming device, including a limiting adsorption mechanism and an elastic pressure cutting mechanism. This disposable lunch box trimming device uses the adsorption capacity of gas to complete the installation and positioning of the box. It can also provide a resisting limiting effect on the corner structure of the lunch box, thereby preventing the cutting head from over-cutting. In addition, the device can provide elastic buffer pressure to the cutting head, so that the cutting head can adapt to the over-cutting of irregular corners, thereby increasing its cutting range for corners of different shapes. Furthermore, due to the presence of elastic pressure, it can effectively prevent the cutting head from cutting too little.

[0004] However, in the above technology, the height of the cutting head is fixed and cannot change with the height of the limiting cutting plate, making it difficult to adapt to the processing of lunch boxes of different depths. Furthermore, when the lunch box is attached to the suction cup shell, it is difficult to ensure that the suction cup shell is in the middle of the lunch box, which can easily lead to the lunch box being misaligned and affect the cutting accuracy. Summary of the Invention

[0005] The purpose of this invention is to provide a disposable lunch box trimming device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A disposable lunch box trimming device, comprising:

[0008] A fixed base plate is provided below the fixed base plate and a drive motor. A first lifting limit groove is provided on the surface of the guide plate. A connecting pipe is connected below the drive motor. A limit cutting plate is slidably sleeved on the surface of the connecting pipe. A suction cup housing is connected to the bottom of the connecting pipe.

[0009] A sliding sleeve is fixedly installed in the middle of the limiting cutting plate, a connecting arm is provided on one side of the sliding sleeve, and a straightening rod is provided at the bottom of the limiting cutting plate.

[0010] One end of the connecting arm is equipped with a telescopic tube, and a telescopic rod is slidably inserted into the inside of the telescopic tube. The limiting cutting plate drives the telescopic rod to rise and fall through the connecting arm, and a cutting head is installed at the end of the telescopic rod near the limiting cutting plate.

[0011] Preferably, a motor base is fixedly installed at the bottom of the fixed base plate, the drive motor is installed inside the motor base, and a rotor fixing plate is fixedly installed at the rotor end of the drive motor.

[0012] Preferably, a connecting pipe fixing plate is fixedly installed on the top of the connecting pipe, the connecting pipe fixing plate is fixedly connected to the rotor fixing plate, and a second lifting limit groove is formed on the surface of the connecting pipe.

[0013] Preferably, an annular guide rail is fixedly connected to the side of the limiting cutting plate near the drive motor, the sliding sleeve is disposed on the inner side of the annular guide rail, the sliding sleeve is slidably sleeved on the surface of the connecting pipe, a slider is installed on the inner wall of the sliding sleeve, the slider is slidably disposed inside the second lifting limiting groove, and an mounting bracket is fixedly installed on the bottom of the limiting cutting plate.

[0014] Preferably, the mounting bracket is provided in multiple sets, and torsion spring compartments are installed on both sides of the mounting bracket.

[0015] Preferably, a rotating ring is fixedly connected to one end of the connecting arm near the sliding sleeve, and the rotating ring is rotatably sleeved on the surface of the sliding sleeve via a bearing.

[0016] Preferably, a ball head is installed at the end of the adjusting rod away from the limiting cutting plate, and a rotating shaft is installed at the end of the adjusting rod near the limiting cutting plate. The rotating shaft extends into the interior of the torsion spring chamber, and a torsion spring is provided between the rotating shaft and the inner wall of the torsion spring chamber. Under the action of the torsion spring, the end of the adjusting rod away from the limiting cutting plate tilts towards the connecting tube.

[0017] Preferably, the telescopic rod has a guide groove on its surface, a guide block is slidably disposed inside the guide groove, the guide block is fixedly installed at the end of the telescopic tube, a piston block is fixedly connected to the end of the telescopic rod away from the limiting cutting plate, the piston block is slidably disposed inside the connecting arm, a compression spring is disposed at the end of the piston block away from the telescopic rod, and a square tube fixing plate is fixedly installed on the surface of the telescopic rod.

[0018] Preferably, the surface of the square tube fixing plate is provided with a threaded hole, and a square tube is fixedly connected to the side of the square tube fixing plate near the limiting cutting plate. The square tube communicates with the threaded hole on the surface of the square tube fixing plate, and a square rod is slidably inserted into the inside of the square tube.

[0019] Preferably, a roller is rotatably provided at one end of the square rod near the limiting cutting plate, and the roller is rolled on the surface of the annular guide rail. An adjusting screw is rotatably connected to the other end of the square rod away from the annular guide rail via a bearing, and the adjusting screw is screwed into a threaded hole on the surface of the square tube fixing plate.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. By setting a connecting arm, as the suction cup housing extends into the lunch box, the edge of the lunch box is attached to the limiting cutting plate and lifts the limiting cutting plate. The limiting cutting plate drives the connecting arm to rise through the sliding sleeve and rotating ring. The connecting arm drives the telescopic rod and the cutting head to rise synchronously through the telescopic tube, so that the cutting head is always located on the side of the limiting cutting plate, thereby realizing the processing of lunch boxes of different depths.

[0022] 2. By setting a centering rod, as the suction cup housing extends into the lunchbox, a set of ball heads abut against the side wall of the lunchbox and move the lunchbox under the action of the torsion spring, so that multiple sets of ball heads abut against the inner wall of the lunchbox, thereby achieving the centering of the lunchbox and ensuring the accuracy of the lunchbox cutting (this effect is suitable for inverted cone-shaped lunchboxes that are wider at the top and narrower at the bottom).

[0023] 3. By setting a square rod, the roller abuts against the surface of the circular guide rail to maintain the distance between the cutting head and the limiting cutting plate, avoiding the problem of the cutting head continuously rubbing against the limiting cutting plate during the cutting process and reducing the service life of the cutting head. At the same time, by adjusting the adjusting screw to control the length of the square rod extending from the inside of the square tube, the distance between the cutting head and the limiting cutting plate can be changed, which is convenient for processing lunch boxes with different width edges. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle;

[0026] Figure 3 This is a schematic diagram of the interior of the telescopic tube of the present invention;

[0027] Figure 4 This is a schematic diagram of the telescopic rod of the present invention;

[0028] Figure 5 This is a schematic diagram of the square rod of the present invention;

[0029] Figure 6 This is a schematic diagram of the connecting arm of the present invention;

[0030] Figure 7 This is a schematic diagram of the limiting cutting plate of the present invention;

[0031] Figure 8 This is a schematic diagram of the adjusting lever of the present invention.

[0032] In the diagram: Fixed base plate 1, motor base 11, guide plate 12, first lifting limit groove 13, drive motor 2, rotor fixing plate 21, connecting pipe 3, connecting pipe fixing plate 31, second lifting limit groove 32, suction cup housing 4, limit cutting plate 5, annular guide rail 51, sliding sleeve 52, slider 53, mounting bracket 54, torsion spring chamber 55, adjusting rod 6, ball head 61, rotating shaft 62, connecting arm 7, rotating ring 71, telescopic tube 72, guide block 73, telescopic rod 8, guide groove 81, piston block 82, cutting head 83, square tube fixing plate 84, square tube 85, compression spring 86, square rod 9, roller 91, adjusting screw 92. Detailed Implementation

[0033] To more clearly illustrate the overall concept of the present invention, a detailed description will be provided below with reference to the accompanying drawings and examples.

[0034] It should be noted that many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0035] Furthermore, in the description of this invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0036] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral unit; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. However, specifying a direct connection indicates that the two connected entities do not establish a connection relationship through an intermediate structure, but are simply connected to form a whole through a connecting structure. For those skilled in the art, the specific meaning of the above terms in this invention can be understood according to the specific circumstances.

[0037] In this invention, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0038] Please see the appendix Figure 1 To be continued Figure 8 As shown, the present invention provides a disposable lunch box trimming device, comprising:

[0039] A fixed base plate 1 is provided, and a motor base 11 is fixedly mounted on the bottom of the fixed base plate 1. A guide plate 12 and a drive motor 2 are provided below the fixed base plate 1. A first lifting and limiting groove 13 is formed on the surface of the guide plate 12. The drive motor 2 is installed inside the motor base 11. A rotor fixing plate 21 is fixedly mounted on the rotor end of the drive motor 2. A connecting pipe 3 is connected below the drive motor 2. A connecting pipe fixing plate 31 is fixedly mounted on the top of the connecting pipe 3. The connecting pipe fixing plate 31 is fixedly connected to the rotor fixing plate 21. A second lifting and limiting groove 32 is formed on the surface of the connecting pipe 3. A limiting cutting plate 5 is slidably sleeved on the surface of the connecting pipe 3. An annular guide rail 51 is fixedly connected to the side of the limiting cutting plate 5 near the drive motor 2. A sliding sleeve 52 is disposed inside the annular guide rail 51 and slidably sleeved on the surface of the connecting pipe 3. A slider 53 is installed on the inner wall of the sliding sleeve 52 and is slidably disposed inside the second lifting limiting groove 32. A mounting frame 54 is fixedly installed at the bottom of the limiting cutting plate 5. Multiple sets of mounting frames 54 are provided. Torsion spring chambers 55 are installed on both sides of the mounting frame 54. A suction cup housing 4 is connected to the bottom of the connecting pipe 3.

[0040] A sliding sleeve 52 is fixedly installed in the middle of the limiting cutting plate 5. A connecting arm 7 is provided on one side of the sliding sleeve 52. A rotating ring 71 is fixedly connected to one end of the connecting arm 7 near the sliding sleeve 52. The rotating ring 71 is rotatably sleeved on the surface of the sliding sleeve 52 through a bearing. A straightening rod 6 is provided at the bottom of the limiting cutting plate 5. A ball head 61 is installed at one end of the straightening rod 6 away from the limiting cutting plate 5. A rotating shaft 62 is installed at one end of the straightening rod 6 near the limiting cutting plate 5. The rotating shaft 62 extends into the interior of the torsion spring chamber 55. A torsion spring is provided between the rotating shaft 62 and the inner wall of the torsion spring chamber 55. Under the action of the torsion spring, the end of the straightening rod 6 away from the limiting cutting plate 5 tilts towards the connecting tube 3.

[0041] One end of the connecting arm 7 is equipped with a telescopic tube 72, and a telescopic rod 8 is slidably inserted into the telescopic tube 72. A guide groove 81 is formed on the surface of the telescopic rod 8, and a guide block 73 is slidably disposed inside the guide groove 81. The guide block 73 is fixedly installed at the end of the telescopic tube 72. A piston block 82 is fixedly connected to the end of the telescopic rod 8 away from the limiting cutting plate 5. The piston block 82 is slidably disposed inside the connecting arm 7. A compression spring 86 is provided at the end of the piston block 82 away from the telescopic rod 8. A square tube fixing plate 84 is fixedly installed on the surface of the telescopic rod 8. A threaded hole is formed on the surface of the square tube fixing plate 84. The square tube fixing plate 84 is close to... A square tube 85 is fixedly connected to one side of the limiting cutting plate 5. The square tube 85 communicates with the threaded hole on the surface of the square tube fixing plate 84. A square rod 9 is slidably inserted inside the square tube 85. A roller 91 is rotatably provided at one end of the square rod 9 near the limiting cutting plate 5. The roller 91 rolls on the surface of the annular guide rail 51. An adjusting screw 92 is rotatably connected to the other end of the square rod 9 away from the annular guide rail 51 through a bearing. The adjusting screw 92 is screwed into the threaded hole on the surface of the square tube fixing plate 84. The limiting cutting plate 5 drives the telescopic rod 8 to rise and fall through the connecting arm 7. A cutting head 83 is installed at one end of the telescopic rod 8 near the limiting cutting plate 5.

[0042] The present invention proposes a disposable lunch box edge trimming device. In use, the device is fixed as a whole by a fixed base plate 1, so that the suction cup shell 4 extends into the lunch box. During the process, the edge of the lunch box is attached to the limiting cutting plate 5 and the limiting cutting plate 5 is lifted. The limiting cutting plate 5 drives the connecting arm 7 to rise through the sliding sleeve 52 and the rotating ring 71. The connecting arm 7 drives the telescopic rod 8 and the cutting head 83 to rise synchronously through the telescopic tube 72, so that the cutting head 83 is always located on the side of the limiting cutting plate 5, thereby realizing the processing of lunch boxes of different depths.

[0043] As a further improvement of the present invention, by setting a centering rod 6, during the process of the suction cup housing 4 extending into the lunch box, a set of ball heads 61 abut against the side wall of the lunch box, and under the action of the torsion spring, the lunch box is moved, so that multiple sets of ball heads 61 abut against the inner wall of the lunch box, thereby achieving the centering of the lunch box and ensuring the accuracy of the lunch box cutting (this effect is applicable to inverted cone-shaped lunch boxes that are wider at the top and narrower at the bottom).

[0044] As a further improvement of the present invention, by setting a square rod 9, the roller 91 abuts against the surface of the annular guide rail 51 to maintain the distance between the cutting head 83 and the limiting cutting plate 5, so as to avoid the problem of the cutting head 83 continuously rubbing against the limiting cutting plate 5 during the cutting process and reducing the service life of the cutting head 83. At the same time, by adjusting the adjusting screw 92 to control the length of the square rod 9 extending from the inside of the square tube 85, the distance between the cutting head 83 and the limiting cutting plate 5 can be changed, which is convenient for processing lunch boxes with different width edges.

[0045] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the invention (including the claims) is limited to these examples; within the framework of the invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in the details for the sake of brevity.

[0046] This invention is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the scope of protection of this invention.

Claims

1. A disposable meal box edge trimming device, characterized by, Include: The fixed base plate (1) is provided with guide plate (12) and drive motor (2) below, the surface of the guide plate (12) is provided with first lifting limit groove (13), the lower part of the drive motor (2) is connected with connecting pipe (3), the surface of the connecting pipe (3) is slidably sleeved with limit cutting plate (5), the bottom of the connecting pipe (3) is connected with sucking disc shell (4); The middle part of the limit cutting plate (5) is fixedly installed with sliding sleeve (52), one side of the sliding sleeve (52) is provided with connecting arm (7), the bottom of the limit cutting plate (5) is provided with dialing rod (6); One end of the connecting arm (7) is installed with telescopic pipe (72), the inside of the telescopic pipe (72) is slidably inserted with telescopic rod (8), the limit cutting plate (5) drives the telescopic rod (8) to lift through the connecting arm (7), one end of the telescopic rod (8) close to the limit cutting plate (5) is installed with cutting tool bit (83).

2. The disposable meal tray edge trimming device of claim 1, wherein The bottom of the fixed base plate (1) is fixedly installed with motor base (11), the drive motor (2) is installed in the inside of the motor base (11), the rotor end of the drive motor (2) is fixedly installed with rotor fixing plate (21).

3. The disposable meal box edge trimming device of claim 2, wherein The top of the connecting pipe (3) is fixedly installed with connecting pipe fixing plate (31), the connecting pipe fixing plate (31) is fixedly connected with the rotor fixing plate (21), the surface of the connecting pipe (3) is provided with second lifting limit groove (32).

4. The disposable meal box edge trimming device of claim 3, wherein One side of the limit cutting plate (5) close to the drive motor (2) is fixedly connected with annular guide rail (51), the sliding sleeve (52) is arranged on the inside of the annular guide rail (51), the sliding sleeve (52) is slidably sleeved on the surface of the connecting pipe (3), the inner wall of the sliding sleeve (52) is installed with sliding block (53), the sliding block (53) is slidably arranged in the inside of the second lifting limit groove (32), the bottom of the limit cutting plate (5) is fixedly installed with mounting bracket (54).

5. The disposable meal box edge trimming device of claim 4, wherein, The mounting bracket (54) is provided with multiple groups, the two sides of the mounting bracket (54) are installed with torsional spring bin (55).

6. The disposable meal tray edge trimming device of claim 1, wherein, One end of the connecting arm (7) close to the sliding sleeve (52) is fixedly connected with rotating ring (71), the rotating ring (71) is rotatably sleeved on the surface of the sliding sleeve (52) through bearing.

7. The disposable meal box edge trimming device of claim 5, wherein One end of the dialing rod (6) away from the limit cutting plate (5) is installed with ball head (61), one end of the dialing rod (6) close to the limit cutting plate (5) is installed with rotating shaft (62), the rotating shaft (62) extends to the inside of the torsional spring bin (55), and a torsional spring is arranged between the rotating shaft (62) and the inner wall of the torsional spring bin (55), so that one end of the dialing rod (6) away from the limit cutting plate (5) is inclined to the direction close to the connecting pipe (3) under the action of the torsional spring.

8. The disposable meal tray edge banding apparatus of claim 4, wherein, The surface of the telescopic rod (8) is provided with a guide groove (81), the inside of the guide groove (81) is slidably provided with a guide block (73), the guide block (73) is fixedly installed at the end of the telescopic pipe (72), one end of the telescopic rod (8) away from the limiting cutting plate (5) is fixedly connected with a piston block (82), the piston block (82) is slidably arranged in the inside of the connecting arm (7), one end of the piston block (82) away from the telescopic rod (8) is provided with a compression spring (86), the surface of the telescopic rod (8) is fixedly installed with a square tube fixing plate (84).

9. The disposable meal tray edger apparatus of claim 8, wherein, The surface of the square tube fixing plate (84) is provided with a threaded hole, one side of the square tube fixing plate (84) close to the limiting cutting plate (5) is fixedly connected with a square tube (85), the square tube (85) is in communication with the threaded hole in the surface of the square tube fixing plate (84), the inside of the square tube (85) is slidably inserted with a square rod (9).

10. The disposable meal tray edge banding apparatus of claim 9, wherein, One end of the square rod (9) close to the limiting cutting plate (5) is rotatably provided with a roller (91), the roller (91) is rollingly arranged on the surface of the annular guide rail (51), one end of the square rod (9) away from the annular guide rail (51) is rotatably connected with an adjusting screw rod (92) through a bearing, the adjusting screw rod (92) is screwed in the threaded hole in the surface of the square tube fixing plate (84).

Images