Supporting frame for packaging roll film

Abstract

The utility model discloses a support frame for a packaging roll film, which relates to the technical field of support frames, and comprises a packaging roll film main body and supports arranged on two sides of the packaging roll film main body, an installation mechanism is arranged on the inner side of the packaging roll film main body, the installation mechanism comprises a square sleeve, and the square sleeve is rotatably arranged on the supports; the adjusting threaded rod is rotationally arranged in the square sleeve; and the moving block is in threaded connection with the outer surface of the adjusting threaded rod, the moving block is arranged in the square sleeve in a sliding mode, pushing rods are hinged to the two sides of the moving block, and extrusion pieces are hinged to the free ends of the pushing rods. By arranging the mounting mechanism, the driving component can be conveniently utilized to drive the adjusting threaded rod to rotate, so that the moving block drives the push rod to expand outwards, the extrusion sheet extrudes the inner wall surface of the film rolling roller, a rolled film is fixed, and the driving component has an anti-accidental-touch property, so that the fixing reliability is better improved.

Description

Technical Field

[0001] The utility model relates to the technical field of support frames, in particular to a support frame for packaging film rolls. Background Art

[0002] Roll film is mainly used in the packaging industry, and roll film is a rolled packaging film. For packaging manufacturers, it is just one less process than producing finished bags. Its material types are also the same as plastic packaging bags. Common ones are PVC shrink film roll film, OPP roll film, PE roll film, PET protective film, composite roll film, etc. The interior of the packaging roll film is generally composed of a circular tubular paper tube, and then the roll film is wrapped around the paper tube.

[0003] At present, in the process of roll film packaging, it is often fixed on the packaging machine, so that the packaging machine is used to realize the packaging process. The roll film is mainly placed on the packaging machine by a bracket, and then the roll film is rolled to make the roll film come down from the packaging roll film to package the items.

[0004] A common bracket is two sheet-like plates and a fixing column fixedly connected to the two plates. The fixing column is plugged into the roll film to achieve temporary placement, but it is impossible to properly fix roll films of different specifications. For this reason, we propose a support frame for packaging roll film. Utility Model Content

[0005] The purpose of the utility model is to provide a support frame for packaging film rolls. By setting up a mounting mechanism, it is convenient to use a driving component to drive the adjusting threaded rod to rotate, so that the moving block drives the pushing rod to expand outward, so that the extrusion sheet squeezes the inner wall surface of the film roll drum, thereby fixing the film roll, and the driving component has the function of preventing accidental collision, which greatly improves the fixing reliability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a support frame for a packaging film roll, comprising a packaging film roll body and brackets arranged on both sides of the packaging film roll body, an installation mechanism is arranged on the inner side of the packaging film roll body, and the installation mechanism comprises:

[0007] A square sleeve, wherein the square sleeve is rotatably arranged on the bracket;

[0008] An adjusting threaded rod, wherein the adjusting threaded rod is rotatably disposed inside the square sleeve;

[0009] A moving block, wherein the moving block is threadedly connected to the outer surface of the adjusting threaded rod, and the moving block is slidably arranged inside the square sleeve, and both sides of the moving block are hinged with push rods, and the free end of the push rod is hinged with an extrusion sheet;

[0010] A driving assembly, which is disposed at one end of the adjusting threaded rod and is used to drive the adjusting threaded rod to rotate;

[0011] A connecting component is arranged on the outside of the driving component, and the connecting component is used to connect the square sleeve with the bracket.

[0012] Preferably, the driving assembly includes a driving rod fixedly connected to the end face of the adjusting threaded rod, a rectangular block fixedly connected to one end of the driving rod, a fixing column fixedly connected to one end of the driving rod, a driving ring sleeved on the outer surface of the fixing column, an inner groove opened inside the driving ring and an annular rubber pad fixedly connected to the outer surface of the driving ring.

[0013] Preferably, through slots are provided on both sides of the square sleeve, two moving blocks are symmetrically arranged on the adjusting threaded rod, and the adjusting threaded rod is a double-headed threaded rod, and each push rod passes through the through slot.

[0014] Preferably, the cross-sectional profile of the extrusion sheet is set to be an arc shape, and the cross-sectional dimensions of the outer contour of the moving block are matched with the cross-sectional contour dimensions inside the square sleeve.

[0015] Preferably, the connecting assembly includes a connecting sleeve sleeved on the outer surface of the driving rod, a locking sleeve threadedly connected to the outer surface of the connecting sleeve, and a connecting groove opened at the top of the bracket, the connecting groove is composed of a groove opened at the top of the bracket and a circular groove opened at the bottom of the groove, and the connecting sleeve is fixedly connected to the end of the square sleeve.

[0016] Preferably, the inner contour of the driving ring is set to be a rectangle, and the rectangular contour is matched with the outer contour of the rectangular block.

[0017] Preferably, an anti-slip round block is fixedly connected to the end of the fixing column, and the anti-slip round block is used to prevent the driving ring from separating from the fixing column.

[0018] Preferably, a rubber pad is fixedly connected to the outer surface of each extrusion sheet, and the outer contour of the rubber pad changes along with the outer contour of the extrusion sheet.

[0019] Technical effects and advantages of the utility model:

[0020] By putting the packaging roll film body on the outside of the extrusion sheet, and then using the driving assembly to drive the adjusting threaded rod to rotate, the two moving blocks are brought close to each other, and then the pushing rod is expanded outward, so that the extrusion sheet squeezes the inner wall surface of the packaging roll film body, thereby achieving installation and fixation, and then using the connecting assembly to connect the square sleeve to the bracket. This design facilitates the installation and fixation of packaging roll film bodies with different specifications and inner diameters, and the driving mechanism has good anti-accidental collision performance, which improves the installation reliability of the packaging roll film body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0022] Figure 2 This is a schematic diagram of the installation mechanism structure of the utility model.

[0023] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0024] Figure 4 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point B in the middle.

[0025] In the figure: 1. bracket; 2. square sleeve; 3. adjusting threaded rod; 4. moving block; 5. pushing rod; 6. extrusion sheet; 7. through groove; 8. connecting assembly; 801. connecting groove; 8011. groove; 8012. round groove; 802. connecting sleeve; 803. locking sleeve; 9. driving assembly; 901. driving rod; 902. rectangular block; 903. fixing column; 904. driving ring; 905. inner groove; 906. annular rubber pad; 10. packaging roll film body. DETAILED DESCRIPTION

[0026] 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.

[0027] The utility model provides Figure 1-4The support frame for a packaging film roll shown in the figure comprises a packaging film roll body 10 and a bracket 1 arranged on both sides of the packaging film roll body 10, and a mounting mechanism is arranged on the inner side of the packaging film roll body 10, and the mounting mechanism comprises: a square sleeve 2, which is rotatably arranged on the bracket 1; an adjusting threaded rod 3, which is rotatably arranged inside the square sleeve 2; a moving block 4, which is threadedly connected to the outer surface of the adjusting threaded rod 3, and the moving block 4 is slidably arranged inside the square sleeve 2, and both sides of the moving block 4 are hinged with a push rod 5, and the free end of the push rod 5 is hinged with an extrusion sheet 6; a driving component 9, which is arranged on the adjusting threaded rod 3 One end of the packaging film roll body 10, and the driving component 9 is used to drive the adjusting threaded rod 3 to rotate; the connecting component 8, the connecting component 8 is arranged on the outside of the driving component 9, and the connecting component 8 is used to connect the square sleeve 2 with the bracket 1; by sleeved the packaging film roll body 10 on the outside of the extrusion sheet 6, and then use the driving component 9 to drive the adjusting threaded rod 3 to rotate, so that the moving block 4 moves along the inside of the square sleeve 2, so that the two moving blocks 4 are close to each other, and then the pushing rod 5 expands outward, so that the extrusion sheet 6 squeezes the inner wall surface of the packaging film roll body 10, thereby realizing installation and fixation, and then the square sleeve 2 is connected to the bracket 1 by using the connecting component 8.

[0028] It should be further explained that the driving assembly 9 includes a driving rod 901 fixedly connected to the end face of the adjusting threaded rod 3, a rectangular block 902 fixedly connected to one end of the driving rod 901, a fixing column 903 fixedly connected to one end of the driving rod 901, a driving ring 904 sleeved on the outer surface of the fixing column 903, an inner groove 905 opened inside the driving ring 904 and an annular rubber pad 906 fixedly connected to the outer surface of the driving ring 904; the inner contour of the driving ring 904 is set to be a rectangle, and the rectangular contour is adapted to the outer contour of the rectangular block 902, and the end of the fixing column 903 is fixedly connected to an anti-dropping round block; the driving ring 904 is moved to one side, so that The driving ring 904 moves along the fixed column 903 until the driving ring 904 is plugged into the rectangular block 902, and then the driving ring 904 is rotated. The driving ring 904 drives the rectangular block 902 and its driving rod 901 to rotate, so that the driving rod 901 drives the adjusting threaded rod 3 to rotate. When it is no longer necessary to drive the adjusting threaded rod 3 to rotate, the driving ring 904 is moved back to separate the driving ring 904 from the rectangular block 902 until the inner groove 905 is engaged with the annular rubber pad 906. At this time, even if the driving ring 904 is rotated, the driving rod 901 will not rotate, which has good anti-accidental collision performance and improves the reliability of fixing the packaging roll film body 10.

[0029] Furthermore, through grooves 7 are provided on both sides of the square sleeve 2, two moving blocks 4 are symmetrically arranged on the adjusting threaded rod 3, and the adjusting threaded rod 3 is a double-headed threaded rod, and each pushing rod 5 passes through the through groove 7; pushing rods 5 are provided on the upper and lower sides of a moving block 4, and two pushing rods 5 located on different moving blocks 4 and on the same side are hingedly connected to an extrusion plate 6.

[0030] Furthermore, the cross-sectional profile of the extrusion sheet 6 is set to be an arc shape, so that the extrusion sheet 6 can be better adapted to the inner wall surface of the packaging roll film body 10, producing a better fixing effect, and the external contour cross-sectional dimensions of the moving block 4 are adapted to the cross-sectional contour dimensions inside the square sleeve 2; so that the moving block 4 will not rotate inside the square sleeve 2.

[0031] Furthermore, each extrusion sheet 6 is fixedly connected to a rubber pad on its outer surface, and the outer contour of the rubber pad changes with the outer contour of the extrusion sheet 6. By arranging a rubber pad on the side of the extrusion sheet 6, it is convenient to produce a certain buffering protection performance when the extrusion sheet 6 squeezes the inner wall surface of the paper tube of the packaging roll film body 10, thereby preventing the extrusion sheet 6 from directly crushing the packaging roll film body 10.

[0032] It should be noted that the connecting assembly 8 includes a connecting sleeve 802 sleeved on the outer surface of the driving rod 901, a locking sleeve 803 threadedly connected to the outer surface of the connecting sleeve 802, and a connecting groove 801 opened at the top of the bracket 1. The connecting groove 801 is composed of a groove 8011 opened at the top of the bracket 1 and a circular groove 8012 opened at the bottom of the groove 8011, and the connecting sleeve 802 is fixedly connected to the end of the square sleeve 2; the connecting sleeve 802 is inserted into the circular groove 8011 along the groove 8011. 012, and then rotate the locking sleeve 803 so that the locking sleeve 803 is threadedly connected with the connecting sleeve 802, and the locking sleeve 803 is inserted into the circular groove 8012, thereby realizing the limit connection, thereby realizing the connection between the square sleeve 2 and the bracket 1. When disassembly is required later, reverse the locking sleeve 803 so that the locking sleeve 803 is no longer plugged into the circular groove 8012, and then move the square sleeve 2 upward, so that the connecting sleeve 802 enters the groove 8011 from the circular groove 8012, and finally goes out.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A support frame for a packaging film roll, comprising a packaging film roll body (10) and brackets (1) arranged on both sides of the packaging film roll body (10), characterized in that: A mounting mechanism is provided on the inner side of the packaging film roll body (10), and the mounting mechanism comprises: A square sleeve (2), wherein the square sleeve (2) is rotatably mounted on the bracket (1); An adjusting threaded rod (3), wherein the adjusting threaded rod (3) is rotatably arranged inside the square sleeve (2); A moving block (4), wherein the moving block (4) is threadedly connected to the outer surface of the adjusting threaded rod (3), and the moving block (4) is slidably arranged inside the square sleeve (2), and both sides of the moving block (4) are hingedly connected to a push rod (5), and the free end of the push rod (5) is hingedly connected to an extrusion sheet (6); A driving assembly (9), wherein the driving assembly (9) is arranged at one end of the adjusting threaded rod (3), and the driving assembly (9) is used to drive the adjusting threaded rod (3) to rotate; A connecting component (8) is arranged on the outside of the driving component (9), and the connecting component (8) is used to connect the square sleeve (2) and the bracket (1).

2. A support frame for packaging film roll according to claim 1, characterized in that: The driving assembly (9) comprises a driving rod (901) fixedly connected to the end face of the adjusting threaded rod (3), a rectangular block (902) fixedly connected to one end of the driving rod (901), a fixing column (903) fixedly connected to one end of the driving rod (901), a driving ring (904) sleeved on the outer surface of the fixing column (903), an inner groove (905) provided inside the driving ring (904), and an annular rubber pad (906) fixedly connected to the outer surface of the driving ring (904).

3. A support frame for packaging film roll according to claim 1, characterized in that: Through slots (7) are provided on both sides of the square sleeve (2); two moving blocks (4) are symmetrically arranged on the adjusting threaded rod (3); the adjusting threaded rod (3) is a double-headed threaded rod; and each push rod (5) passes through the through slot (7).

4. A support frame for packaging film roll according to claim 1, characterized in that: The cross-sectional profile of the extrusion sheet (6) is arranged to be arc-shaped, and the cross-sectional dimensions of the outer contour of the moving block (4) are adapted to the cross-sectional contour dimensions of the interior of the square sleeve (2).

5. A support frame for packaging film roll according to claim 2, characterized in that: The connecting assembly (8) comprises a connecting sleeve (802) sleeved on the outer surface of the driving rod (901), a locking sleeve (803) threadedly connected to the outer surface of the connecting sleeve (802), and a connecting groove (801) opened at the top of the bracket (1); the connecting groove (801) is composed of a groove (8011) opened at the top of the bracket (1) and a circular groove (8012) opened at the bottom of the groove (8011); and the connecting sleeve (802) is fixedly connected to the end of the square sleeve (2).

6. A support frame for packaging film roll according to claim 2, characterized in that: The inner contour of the driving ring (904) is set to be a rectangle, and the rectangular contour is matched with the outer contour of the rectangular block (902).

7. A support frame for packaging film roll according to claim 2, characterized in that: An anti-slip round block is fixedly connected to the end of the fixing column (903), and the anti-slip round block is used to prevent the driving ring (904) from separating from the fixing column (903).

8. The support frame for packaging film roll according to claim 4, characterized in that: The outer surface of each extrusion sheet (6) is fixedly connected to a rubber pad, and the outer contour of the rubber pad changes in accordance with the outer contour of the extrusion sheet (6).

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