A packaging box cardboard bending device

Abstract

The utility model relates to the technical field of bending equipment, specifically a packaging box cardboard bending device, comprising a base, two rotating plates are arranged on the base, and also comprising a fixing component, wherein the fixing component comprises a sliding frame, a pressure rod and a screw. In the utility model, the fixing component cooperates with the sliding frame, the pressure rod and the screw, and after pushing the pressure rod to the upper side of the edge of the cardboard, stops sliding, and rotates the screw. Since the screw is threadedly connected with the sliding frame, the screw rotates and moves downward, thereby pushing the pressure rod to move downward, and the pressure rod is used to resist the two ends of the cardboard to prevent the two ends of the cardboard from tilting when being bent, thereby reducing the damage to the cardboard when being bent. The moving component cooperates with the sliding column, the connecting ring, the spring, the limit block and the protrusion. When the screw rotates and moves downward, under the action of the connecting ring, the sliding column also moves downward, and the sliding column moves downward to resist the limit block, so that the protrusion can no longer push the limit block, the sliding frame is fixed and cannot slide, and the cardboard is fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of bending equipment, in particular to a packaging box paperboard bending device. Background Art

[0002] During the production process of packaging boxes, the raw material of the packaging boxes, the cardboard, needs to be folded to make creases appear on the packaging boxes to facilitate the subsequent forming of the packaging boxes. A convenient, fast and high-yield cardboard bending device is needed.

[0003] The Chinese patent with the publication number CN219618606U discloses a cardboard bending device for producing packaging paper boxes, including a processing table and a support frame, the processing table includes a main workbench and a movable table, the movable table is placed at both ends of the main workbench and is rotatably connected to the main workbench, the end of the movable table away from the main workbench is provided with a movable groove, a push plate is provided in the movable groove, and a second push part for ejecting the push plate from the movable groove is provided at the lower end of the movable table. The push part on the support frame can control the rotation of the movable table, when the movable table rotates to be perpendicular to the main workbench, the cardboard will be closely attached to the outer side of the mold core, thereby forming an L-shaped or U-shaped cardboard structure, when the support plate forms an L-shaped or U-shaped structure, another push part will push the push plate out of the movable groove, and the pushed push plate will press the top of the cardboard, so that the inner surface of the cardboard is closely attached to the upper end surface of the mold core, thereby forming a second bending part, improving the working efficiency of the paper box.

[0004] In the above technical solution, the cardboard is not fixed on the main workbench and the movable table. When the movable table rotates, the cardboard is easily pushed, causing the bending position of the cardboard to shift and the bending effect to deteriorate.

[0005] Based on this, the utility model proposes a packaging box cardboard bending device. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes a packaging box cardboard bending device, which can fix the two ends of the cardboard through a fixing component to prevent its position from shifting during bending, and adjust and fix the position of the fixing component through a moving component to adapt to cardboards of different lengths.

[0007] The technical solution to achieve the purpose of the utility model is: a packaging box cardboard bending device, including a base, two rotating plates are provided on the base, a groove one is opened on the base, a bending assembly and a fixing assembly are provided on the base, the bending assembly includes a threaded rod and a threaded block, the two threaded rods are rotatably connected in the groove one, the two threaded blocks are respectively threadedly connected to the two threaded rods, the two rotating plates are respectively rotatably connected to the two threaded blocks, the fixing assembly also includes a slide groove, a sliding frame, a pressure rod and a screw, the four slide grooves are respectively opened on the two rotating plates, the four sliding frames are respectively slidably connected in the four slide grooves, the two ends of the pressure rods are respectively slidably connected to the four sliding frames, the four screws are respectively threadedly connected to the four sliding frames, the two ends of the pressure rods are respectively rotatably connected to the four screws, and a moving assembly is provided on the base.

[0008] Preferably, the bending assembly further comprises a support frame, a motor and a chain, the support frame is fixedly connected to the base, the motor is fixedly connected to the support frame, and the two chains are respectively arranged between the output shaft of the motor and the two threaded rods.

[0009] Preferably, the moving assembly includes sliding columns and connecting rings, the four sliding columns are respectively slidably connected to the four sliding frames, one ends of the four connecting rings are respectively fixedly connected to the four sliding columns, and the other ends of the four connecting rings are respectively rotatably connected to the four screw rods.

[0010] Preferably, the moving component further comprises a groove 2 and a spring, four grooves 2 are respectively opened on four sliding frames, and four springs are respectively fixedly connected in the four grooves 2.

[0011] Preferably, the moving assembly further comprises a limit block, wherein four limit blocks are respectively fixedly connected to four springs, and the four limit blocks are respectively slidably connected to four grooves 2.

[0012] Preferably, the moving assembly further comprises fixed columns and protrusions, the four fixed columns are respectively fixedly connected in the four slide grooves, the four sliding frames are respectively slidably connected to the four fixed columns, and the plurality of protrusions are fixedly connected in the slide grooves.

[0013] Compared with the prior art, the present invention has the following significant advantages:

[0014] First, in the utility model, the fixing assembly cooperates with the sliding frame, the pressure rod and the screw rod. After the pressure rod is pushed to the top of the edge of the paperboard, the sliding is stopped and the screw rod is rotated. Since the screw rod is threadedly connected with the sliding frame, the screw rod rotates and moves downward, thereby pushing the pressure rod downward, and the pressure rod is used to support the two ends of the paperboard to prevent the two ends of the paperboard from tilting when being bent, thereby reducing the damage to the paperboard when being bent;

[0015] Second: In the utility model, the moving component cooperates through the sliding column, the connecting ring, the spring, the limit block and the protrusion. When the screw rotates and moves downward, the sliding column also moves downward under the action of the connecting ring. The sliding column moves downward and presses against the limit block, so that the protrusion can no longer push the limit block, and the sliding frame is fixed and cannot slide. The cooperation of the moving component and the fixed component has a fixing effect on the cardboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a top view of the internal structure of the utility model;

[0019] Figure 3 It is a right view of the internal structure of the utility model;

[0020] Figure 4 yes Figure 1 A magnified view of the structure of part A;

[0021] Figure 5 It is a cross-sectional view of the internal structure of the mobile component in the utility model.

[0022] Description of reference numerals:

[0023] 1. Base; 2. Bending assembly; 21. Support frame; 22. Motor; 23. Threaded rod; 24. Chain; 25. Threaded block; 3. Fixed assembly; 31. Slide groove; 32. Sliding frame; 33. Press rod; 34. Screw; 4. Rotating plate; 5. Groove 1; 6. Moving assembly; 61. Sliding column; 62. Connecting ring; 63. Groove 2; 64. Spring; 65. Limit block; 66. Fixed column; 67. Bump. DETAILED DESCRIPTION

[0024] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0025] The utility model provides a packaging box cardboard bending device through improvement. The technical solution of the utility model is:

[0026] like Figure 1-Figure 5As shown, a packaging box cardboard bending device includes a base 1, two rotating plates 4 are arranged on the base 1, the length of the rotating plates 4 is less than the distance from the top of the base 1 to the bottom of the support frame 21, a groove 5 is opened on the base 1, and the groove 5 is located directly below the support frame 21. A bending component 2 and a fixing component 3 are arranged on the base 1, and the bending component 2 includes a threaded rod 23 and a threaded block 25. The two threaded rods 23 are rotatably connected in the groove 5, and the two threaded blocks 25 are respectively threadedly connected to the two threaded rods 23. The two rotating plates 4 are respectively rotatably connected On the two threaded blocks 25, the fixing assembly 3 also includes a slide groove 31, a sliding frame 32, a pressure rod 33 and a screw rod 34. The four slide grooves 31 are respectively opened on the two rotating plates 4. The four sliding frames 32 are respectively slidably connected in the four slide grooves 31. The cross-section of the sliding frame 32 is "L" shaped. The two ends of the two pressure rods 33 are respectively slidably connected to the four sliding frames 32. The four screw rods 34 are respectively threadedly connected to the four sliding frames 32. The two ends of the two pressure rods 33 are respectively rotatably connected to the four screw rods 34. A moving assembly 6 is provided on the base 1.

[0027] Further, such as Figure 1-Figure 3 As shown, the bending assembly 2 also includes a support frame 21, a motor 22 and a chain 24. The support frame 21 is fixedly connected to the base 1. The cross-section of the support frame 21 is an inverted "U" shape. The motor 22 is fixed to the support frame 21 by bolts. The two chains 24 are respectively arranged between the output shaft of the motor 22 and the two threaded rods 23.

[0028] Further, such as Figure 4 and Figure 5 As shown, the moving assembly 6 includes a sliding column 61 and a connecting ring 62. The four sliding columns 61 are respectively slidably connected to the four sliding frames 32. The height of the sliding column 61 is greater than the height of the sliding frame 32. One ends of the four connecting rings 62 are respectively fixedly connected to the four sliding columns 61, and the other ends of the four connecting rings 62 are respectively rotatably connected to the four screw rods 34.

[0029] Further, such as Figure 4 and Figure 5 As shown, the moving assembly 6 further includes a groove 2 63 and a spring 64 . The four grooves 2 63 are respectively opened on the four sliding frames 32 . The four grooves 2 63 are symmetrical with the support frame 21 . The four springs 64 are respectively fixedly connected in the four grooves 2 63 .

[0030] Further, such as Figure 4 and Figure 5 As shown, the moving assembly 6 also includes a limit block 65, and four limit blocks 65 are fixedly connected to four springs 64 respectively. The four limit blocks 65 are slidably connected in four grooves 63 respectively, and the diameter of the limit block 65 is consistent with the gap between the protrusions 67.

[0031] Further, such as Figure 1-Figure 4 As shown, the moving component 6 also includes fixed columns 66 and protrusions 67. The four fixed columns 66 are respectively fixedly connected to the four slide grooves 31. The length of the fixed columns 66 is equal to the length of the slide groove 31. The four sliding frames 32 are respectively slidably connected to the four fixed columns 66. A plurality of protrusions 67 are fixedly connected to the slide groove 31. The protrusions 67 are distributed in a linear array in the slide groove 31. A gap is provided between two adjacent protrusions 67. The cross-section of the protrusion 67 is an isosceles trapezoid.

[0032] The specific working method is: place the part of the cardboard that needs to be bent in the middle position of the two rotating plates 4, then push the sliding frame 32, the pressure rod 33 and the limit block 65 also move accordingly, the limit block 65 will be pushed by the convex block 67 when moving, so that the limit block 65 squeezes the spring 64, and the limit block 65 is then embedded in the second groove 63, when the pressure rod 33 moves to the top of the edge of the cardboard, stop sliding, and rotate the screw rod 34. Since the screw rod 34 is threadedly connected to the sliding frame 32, the screw rod 34 rotates and moves downward, thereby pushing the pressure rod 33 to move downward, and using the pressure rod 33 to resist the two ends of the cardboard to prevent the two ends of the cardboard from tilting when being bent, thereby reducing the damage to the cardboard when being bent, and the screw 34 moves downward at the same time When the cardboard is firmly fixed between the two rotating plates 4, the motor 22 is started, and its output shaft rotates. The threaded rod 23 starts to rotate under the action of the chain 24. Since the threaded block 25 is threadedly connected to the threaded rod 23, the threaded block 25 moves accordingly. Since the adjacent ends of the two rotating plates 4 are rotatably connected to the threaded block 25, the rotating plate 4 rotates along with the movement of the threaded block 25. By controlling the descending distance of the threaded block 25, the bending angle of the cardboard can be controlled.

[0033] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A packaging box cardboard bending device, comprising a base (1), two rotating plates (4) are provided on the base (1), and a groove (5) is provided on the base (1), characterized in that: The base (1) is provided with a bending assembly (2) and a fixing assembly (3), wherein the bending assembly (2) comprises a threaded rod (23) and a threaded block (25), wherein the two threaded rods (23) are rotatably connected in the groove (5), the two threaded blocks (25) are respectively threadedly connected to the two threaded rods (23), the two rotating plates (4) are respectively rotatably connected to the two threaded blocks (25), and the fixing assembly (3) further comprises a slide groove (31), a sliding frame (32), a pressure rod (33) and a guide rod (34). ) and a screw rod (34), the four slide grooves (31) are respectively opened on the two rotating plates (4), the four sliding frames (32) are respectively slidably connected in the four slide grooves (31), the two ends of the two pressure rods (33) are respectively slidably connected to the four sliding frames (32), the four screw rods (34) are respectively threadedly connected to the four sliding frames (32), the two ends of the two pressure rods (33) are respectively rotatably connected to the four screw rods (34), and a moving component (6) is provided on the base (1).

2. A packaging box cardboard bending device according to claim 1, characterized in that: The bending assembly (2) further comprises a support frame (21), a motor (22) and a chain (24); the support frame (21) is fixedly connected to the base (1); the motor (22) is fixedly connected to the support frame (21); and the two chains (24) are respectively arranged between the output shaft of the motor (22) and the two threaded rods (23).

3. A packaging box cardboard bending device according to claim 1, characterized in that: The moving assembly (6) comprises a sliding column (61) and a connecting ring (62), wherein the four sliding columns (61) are respectively slidably connected to the four sliding frames (32), one end of the four connecting rings (62) are respectively fixedly connected to the four sliding columns (61), and the other ends of the four connecting rings (62) are respectively rotatably connected to the four screw rods (34).

4. A packaging box cardboard bending device according to claim 1, characterized in that: The moving assembly (6) further comprises a second groove (63) and a spring (64). The four second grooves (63) are respectively arranged on the four sliding frames (32), and the four springs (64) are respectively fixedly connected to the four second grooves (63).

5. A packaging box cardboard bending device according to claim 4, characterized in that: The moving assembly (6) further comprises a limit block (65), wherein four limit blocks (65) are respectively fixedly connected to four springs (64), and the four limit blocks (65) are respectively slidably connected to four grooves 2 (63).

6. A packaging box cardboard bending device according to claim 1, characterized in that: The moving assembly (6) further comprises a fixed column (66) and a protrusion (67), wherein the four fixed columns (66) are respectively fixedly connected to the four slide grooves (31), the four sliding frames (32) are respectively slidably connected to the four fixed columns (66), and the plurality of protrusions (67) are fixedly connected to the slide grooves (31).

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