Cutting device for packaging bag processing

Abstract

The utility model provides a cutting device for packaging bag processing, which belongs to the technical field of packaging bag cutting and comprises a workbench, supporting columns arranged on two sides of the upper surface of the workbench, a top plate arranged at the upper ends of the supporting columns, a telescopic push rod arranged on the upper surface of the top plate, a fixing plate arranged at the output end of the telescopic push rod, and a cutter arranged in the center of the lower surface of the fixing plate. Pressing mechanisms for pressing the cutting part of the packaging bag are arranged on the two sides of the lower surface of the fixing plate, and a tensioning assembly for tensioning the cutting part of the packaging bag is arranged below the pressing mechanisms; the tension of the cutting part of the packaging bag can be adjusted to flatten wrinkles on the surface of the packaging bag due to looseness, so that a notch after the packaging bag is cut is smoother, and the cutting effect of the packaging bag is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag cutting, in particular to a cutting device for packaging bag processing. Background Art

[0002] Packaging bags refer to bags used to pack various items, making it easy to transport and store goods during production and circulation. Packaging bags are usually made of plastic. During the processing of packaging bags, multiple packaging bags are usually connected together, and a cutting device is needed to cut the connected packaging bags into separate pieces. Currently, most commonly used packaging bags are still made of plastic;

[0003] The utility model with the authorization announcement number CN 219667611 U discloses a cutting device for processing packaging bags, including a workbench, a cutting mechanism and a cleaning mechanism. The surface of the workbench is provided with a positioning groove. The cleaning mechanism includes two supporting plates fixedly connected to the lower surface of the workbench. The surfaces of the supporting plates are provided with a limit rod and a lead screw respectively. The outer surfaces of the limit rod and the lead screw are jointly provided with a cleaning assembly. The side of the supporting plate is provided with a servo motor for driving the lead screw to rotate. The side of the supporting plate is provided with a card slot. The inner wall of the card slot is fixedly connected with a collection box. By providing a tension spring and a movable column, the tension of the tension spring can be used to make the first cleaning block and the second cleaning block fit tightly together, which can increase the friction between the V-shaped notch and the blade, thereby improving the cleaning effect of the blade. Moreover, this setting can adjust the size of the V-shaped notch within a certain range, effectively avoiding the situation where the first cleaning block and the second cleaning block are worn and the cleaning assembly is difficult to fit the blade.

[0004] When the device is in use, the packaging bag is only adsorbed on the workbench surface through the air holes, and the looseness of the cutting part of the packaging bag cannot be controlled. If the cutting part of the packaging bag is wrinkled due to the looseness, the cut of the packaging bag will be uneven, making the cutting effect of the packaging bag worse. Utility Model Content

[0005] In view of this, the utility model provides a cutting device for packaging bag processing, which can adjust the tension of the cutting part of the packaging bag to smooth out the wrinkles on the surface of the packaging bag due to relaxation, thereby making the incision of the packaging bag after cutting smoother and improving the cutting effect of the packaging bag.

[0006] In order to solve the above technical problems, the utility model provides a cutting device for packaging bag processing, including a workbench, support columns are arranged on both sides of the upper surface of the workbench, a top plate is arranged on the upper ends of the support columns, a telescopic push rod is arranged on the upper surface of the top plate, a fixed plate is arranged at the output end of the telescopic push rod, a cutter is arranged at the center of the lower surface of the fixed plate, and clamping mechanisms for clamping the cutting part of the packaging bag are arranged on both sides of the lower surface of the fixed plate, and a tensioning component for tensioning the cutting part of the packaging bag is arranged below the clamping mechanism. Tension can be applied to the surface of the packaging bag by the tensioning component and the clamping mechanism to smooth out the wrinkles on the surface of the packaging bag, thereby making the incision of the packaging bag after cutting smoother and improving the cutting effect of the packaging bag.

[0007] The clamping mechanism includes a driving cylinder arranged on both sides of the lower surface of the fixed plate, a spring is arranged inside the driving cylinder, the upper end of the spring is fixed to the upper inner wall surface of the driving cylinder, a movable block is fixed to the lower end of the spring, a movable rod is arranged at the lower end of the movable block, a through hole adapted to the movable rod is opened at the lower end of the driving cylinder, the movable rod passes through the through hole below the driving cylinder, and a tensioning assembly is arranged at the lower end of the movable rod. When the fixed plate moves downward, the tensioning assembly first contacts the surface of the packaging bag, and then applies tension to it through the tensioning assembly to smooth out the wrinkles, thereby making the incision after the packaging bag is cut smoother and improving the cutting effect of the packaging bag.

[0008] The tensioning assembly includes a driving frame arranged at the lower end of the movable rod, and two tensioning rollers are rotatably installed on both sides of the side walls of the driving frame. A driving component for driving the tensioning roller to rotate is arranged inside one of the driving frames, and the cutter is located between the two tensioning rollers. When the fixed plate descends, the driving frame and the tensioning roller are driven to descend together, so that the two tensioning rollers smooth out the wrinkles on the surface of the packaging bag.

[0009] The driving component includes a micro motor arranged at the center of one side wall of the driving frame. The output end of the micro motor passes through the side wall of the driving frame, and a connecting rod is provided at the output end of the micro motor. Two active bevel gears are respectively provided on both sides of the surface of the connecting rod. One end of the two tensioning rollers passes through the side wall of the driving frame, and one end of the two tensioning rollers is provided with a driven bevel gear. The two driven bevel gears are respectively meshed with the two active bevel gears. When the two tensioning rollers contact the surface of the packaging bag, the staff starts the micro motor, so that the tension of the rotation of the tensioning roller makes the incision of the packaging bag smoother, thereby improving the cutting effect of the packaging bag.

[0010] A first bearing is provided at the end of the connecting rod, the end of the connecting rod is fixed to the inner ring of the first bearing, the outer ring of the first bearing is fixed to the inner wall of the driving frame, and the first bearing supports the connecting rod during the rotation of the connecting rod, making the rotation process of the connecting rod more stable.

[0011] A second bearing is provided at the other end of the tensioning roller. The other end of the tensioning roller is fixed to the inner ring of the second bearing. The outer ring of the second bearing is fixed to the side wall of another driving frame. When the tensioning roller rotates, the second bearing supports the other end of the tensioning roller to improve the stability of the rotation process of the second tensioning roller.

[0012] The surface of the tensioning roller is provided with anti-skid bumps, which increase the friction between the tensioning roller and the surface of the packaging bag to prevent slipping.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. When the utility model is used, tension can be applied to the surface of the packaging bag through the tensioning component and the pressing mechanism to smooth out the wrinkles on the surface of the packaging bag, thereby making the incision of the packaging bag smoother and improving the cutting effect of the packaging bag.

[0015] 2. When the utility model is used, when the fixed plate moves downward, the tensioning component first contacts the surface of the packaging bag, and then applies tension to it through the tensioning component to smooth out the wrinkles, thereby making the incision of the packaging bag smoother and improving the cutting effect of the packaging bag.

[0016] 3. When the utility model is used, when the fixed plate descends, the driving frame and the tensioning roller are driven to descend together, so that the two tensioning rollers smooth out the wrinkles on the surface of the packaging bag.

[0017] 4. When the utility model is used, the anti-skid protrusions increase the friction between the tensioning roller and the surface of the packaging bag to prevent slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the internal structure at A of the utility model;

[0020] Figure 3 This is a top view of the interior of the driving component of the utility model

[0021] Figure 4 It is an enlarged schematic diagram of the structure at point B of the utility model.

[0022] Explanation of the reference numerals: 100, workbench; 101, support column; 102, top plate; 103, telescopic push rod; 200, fixed plate; 300, cutter; 400, clamping mechanism; 401, driving cylinder; 402, spring; 403, movable block; 404, movable rod; 500, tensioning assembly; 501, driving frame; 502, tensioning roller; 503, micro motor; 504, connecting rod; 505, active bevel gear; 506, driven bevel gear; 507, first bearing; 508, second bearing. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0024] According to one embodiment of the utility model, Figure 1 , Figure 2 and Figure 3 As shown: This embodiment provides a cutting device for processing packaging bags, including a workbench 100, support columns 101 are arranged on both sides of the upper surface of the workbench 100, a top plate 102 is arranged on the upper end of the support column 101, a telescopic push rod 103 is arranged on the upper surface of the top plate 102, the output end of the telescopic push rod 103 passes through the upper wall of the top plate 102, and a fixed plate 200 is arranged at the output end of the telescopic push rod 103, a cutter 300 is arranged at the center of the lower surface of the fixed plate 200, and clamping mechanisms 400 for clamping the cutting part of the packaging bag are arranged on both sides of the lower surface of the fixed plate 200, and a tensioning assembly 500 for tensioning the cutting part of the packaging bag is arranged below the clamping mechanism 400. The staff transports the packaging bag to be cut to the surface of the workbench 100 through an external conveying mechanism, and then passes through the workbench 10 0, the suction holes on the surface of the packaging bag are sucked onto the surface of the workbench 100, and then the telescopic push rod 103 is started. The output end of the telescopic push rod 103 drives the fixing plate 200 and the cutter 300 to move downward, so that the pressing mechanism 400 drives the tensioning assembly 500 to press the two sides of the part to be cut of the packaging bag. If the surface of the part to be cut of the packaging bag is wrinkled due to relaxation, the staff applies tension to the surface of the packaging bag through the tensioning assembly 500, so as to smooth out the wrinkles on the surface of the packaging bag, and then stops tensioning, and finally cuts the surface of the packaging bag through the cutter 300, so that the tensioning assembly 500 and the pressing mechanism 400 can apply tension to the surface of the packaging bag to smooth out the wrinkles on the surface of the packaging bag, thereby making the incision of the packaging bag after cutting smoother, and improving the cutting effect of the packaging bag;

[0025] The clamping mechanism 400 includes a driving cylinder 401 arranged on both sides of the lower surface of the fixed plate 200, a spring 402 is arranged inside the driving cylinder 401, the upper end of the spring 402 is fixed to the upper inner wall surface of the driving cylinder 401, a movable block 403 is fixed to the lower end of the spring 402, a movable rod 404 is arranged at the lower end of the movable block 403, a through hole adapted to the movable rod 404 is opened at the lower end of the driving cylinder 401, the movable rod 404 passes through the through hole below the driving cylinder 401, and a tensioning component 500 is arranged at the lower end of the movable rod 404. When the fixed plate 200 moves downward, the tensioning component 500 first contacts the surface of the packaging bag, and then the tensioning component 500 stops moving, so that the movable rod 404 is The movable block 403 at the upper end follows the tensioning assembly 500 and remains stationary, while the fixed plate 200 drives the driving cylinder 401 to continue to descend, so that the upper inner wall of the driving cylinder 401 and the upper end of the movable block 403 compress the spring 402 together, and the tension of the spring 402 applies downward pressure to the movable block 403, so that the movable block 403 drives the movable rod 404 and the tensioning assembly 500 to press the two sides of the part to be cut of the packaging bag together. If the surface of the part to be cut of the packaging bag is wrinkled due to relaxation, the staff applies tension to it through the tensioning assembly 500 to smooth the wrinkles, so that the incision after cutting the packaging bag is smoother and the cutting effect of the packaging bag is improved;

[0026] The tensioning assembly 500 includes a driving frame 501 arranged at the lower end of the movable rod 404, and two tensioning rollers 502 are rotatably installed on both sides of the side wall of the driving frame 501, and a driving component for driving the tensioning roller 502 to rotate is arranged inside one of the driving frames 501, and the cutter 300 is located between the two tensioning rollers 502. When the fixed plate 200 descends, the driving frame 501 and the tensioning roller 502 are driven to descend together, so that the tensioning roller 502 contacts the two sides of the part to be cut of the packaging bag, and then the tensioning roller 502 is driven to rotate by the driving assembly, and the two tensioning rollers 502 rotate in opposite directions, so that the two tensioning rollers 502 smooth out the wrinkles on the surface of the packaging bag;

[0027] The driving component includes a micro motor 503 arranged at the center of one side wall of the driving frame 501. The output end of the micro motor 503 passes through the side wall of the driving frame 501, and a connecting rod 504 is arranged at the output end of the micro motor 503. Two active bevel gears 505 are arranged on both sides of the surface of the connecting rod 504. One end of the two tensioning rollers 502 passes through the side wall of the driving frame 501, and one end of the two tensioning rollers 502 is provided with a driven bevel gear 506. The two driven bevel gears 506 are respectively meshed with the two active bevel gears 505. When the two tensioning rollers 502 contact the surface of the packaging bag, the staff starts the micro motor 503. 03. The output end of the micro motor 503 drives the connecting rod 504 to rotate, and the connecting rod 504 drives the two active bevel gears 505 to rotate, and the active bevel gear 505 drives the driven bevel gear 506 to rotate, and then the driven bevel gear 506 drives the tensioning roller 502 to rotate, so that the two tensioning rollers 502 rotate to apply tension to the wrinkled parts of the packaging bag, so that the wrinkles on the surface of the packaging bag can be smoothed. After smoothing the wrinkles on the surface of the packaging bag, the micro motor 503 is turned off to stop the rotation of the tensioning roller 502, so that the incision of the packaging bag after cutting is smoother through the tension of the rotation of the tensioning roller 502, thereby improving the cutting effect of the packaging bag;

[0028] According to another embodiment of the present invention, Figure 1 , Figure 2 and Figure 4 As shown, a first bearing 507 is provided at the end of the connecting rod 504, and the end of the connecting rod 504 is fixed to the inner ring of the first bearing 507, and the outer ring of the first bearing 507 is fixed on the inner wall of the driving frame 501. During the rotation of the connecting rod 504, the first bearing 507 supports the connecting rod 504, so that the rotation process of the connecting rod 504 is more stable; a second bearing 508 is provided at the other end of the tensioning roller 502, and the other end of the tensioning roller 502 is fixed to the inner ring of the second bearing 508, and the outer ring of the second bearing 508 is fixed on the side wall of another driving frame 501. During the rotation of the tensioning roller 502, the second bearing 508 supports the other end of the tensioning roller 502, so as to improve the stability of the rotation process of the second tensioning roller 502; the surface of the tensioning roller 502 is provided with anti-skid bumps, and the anti-skid bumps increase the friction of the tensioning roller 502 on the surface of the packaging bag to prevent slipping.

[0029] The use of this utility model:

[0030] First of all, it should be made clear here that the suction holes on the surface of the workbench 100 are the equipment in the comparative case CN219667611U. Since it is not the innovative point of the present utility model, its structure will not be described in detail here. Only the use method and installation position of the clamping mechanism 400 and the tensioning assembly 500 will be elaborated in detail. When the packaging bag needs to be cut, the staff will transport the packaging bag to be cut to the surface of the workbench 100 through the external conveying mechanism, and then adsorb the packaging bag on the surface of the workbench 100 through the suction holes on the surface of the workbench 100, and then start the telescopic push rod 103. The output end of the telescopic push rod 103 drives the fixed plate 200 and the cutter 300 to move downward. When the fixed plate 200 moves downward, the tensioning assembly 500 first contacts the surface of the packaging bag, and then the tensioning assembly 500 stops moving, so that the movable rod 404 and the movable block 403 follow the driving frame 501 and the tensioning roller 502 to remain stationary, and the fixed plate 200 drives the driving cylinder 401 to continue The movable block 403 is pressed downward by the upper inner wall of the driving cylinder 401 and the upper end of the movable block 403, and the tension of the spring 402 applies downward pressure to the movable block 403, so that the tensioning roller 502 presses the two sides of the part to be cut of the packaging bag. If wrinkles appear on the surface of the part to be cut of the packaging bag due to relaxation, the staff starts the micro motor 503, and the output end of the micro motor 503 drives the connecting rod 504 to rotate, and the connecting rod 504 drives the two active bevel gears 505 to rotate, and the active bevel gear 505 drives the driven bevel gear 506 to rotate, and then the driven bevel gear 506 drives the tensioning roller 502 to rotate, so that the two tensioning rollers 502 rotate to apply tension to the wrinkled part of the packaging bag, so as to smooth out the wrinkles on the surface of the packaging bag. After smoothing out the wrinkles, the micro motor 503 is turned off to stop the tensioning roller 502 from rotating, so that the incision of the packaging bag after cutting is smoother through the tension of the tensioning roller 502, thereby improving the cutting effect of the packaging bag.

[0031] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A cutting device for processing packaging bags, comprising a workbench (100), support columns (101) are arranged on both sides of the upper surface of the workbench (100), a top plate (102) is arranged at the upper end of the support column (101), a telescopic push rod (103) is arranged on the upper surface of the top plate (102), a fixed plate (200) is arranged at the output end of the telescopic push rod (103), and a cutter (300) is arranged at the center of the lower surface of the fixed plate (200), characterized in that: Both sides of the lower surface of the fixing plate (200) are provided with pressing mechanisms (400) for pressing the cut portion of the packaging bag, and a tensioning assembly (500) for tensioning the cut portion of the packaging bag is provided below the pressing mechanism (400).

2. A cutting device for packaging bag processing as claimed in claim 1, characterized in that: The clamping mechanism (400) comprises a driving cylinder (401) arranged on both sides of the lower surface of the fixing plate (200), a spring (402) is arranged inside the driving cylinder (401), the upper end of the spring (402) is fixed to the upper inner wall surface of the driving cylinder (401), a movable block (403) is fixed to the lower end of the spring (402), a movable rod (404) is arranged at the lower end of the movable block (403), a through hole adapted to the movable rod (404) is opened at the lower end of the driving cylinder (401), the movable rod (404) passes through the through hole below the driving cylinder (401), and a tensioning assembly (500) is arranged at the lower end of the movable rod (404).

3. A cutting device for packaging bag processing as claimed in claim 2, characterized in that: The tensioning assembly (500) comprises a driving frame (501) arranged at the lower end of the movable rod (404), two tensioning rollers (502) are rotatably mounted on both sides of the side wall of the driving frame (501), and a driving component for driving the tensioning roller (502) to rotate is arranged inside one of the driving frames (501), and the cutting knife (300) is located between the two tensioning rollers (502).

4. A cutting device for packaging bag processing as claimed in claim 3, characterized in that: The driving component comprises a micro motor (503) arranged at the center of a side wall of a driving frame (501); the output end of the micro motor (503) passes through the side wall of the driving frame (501); a connecting rod (504) is arranged at the output end of the micro motor (503); two active bevel gears (505) are arranged on both sides of the surface of the connecting rod (504); one end of the two tensioning rollers (502) passes through the side wall of the driving frame (501); one end of the two tensioning rollers (502) is arranged with a driven bevel gear (506); the two driven bevel gears (506) are respectively meshed with the two active bevel gears (505).

5. A cutting device for packaging bag processing as claimed in claim 4, characterized in that: A first bearing (507) is provided at the end of the connecting rod (504), the end of the connecting rod (504) is fixed to the inner ring of the first bearing (507), and the outer ring of the first bearing (507) is fixed to the inner wall of the driving frame (501).

6. A cutting device for packaging bag processing as claimed in claim 5, characterized in that: A second bearing (508) is provided at the other end of the tensioning roller (502), and the other end of the tensioning roller (502) is fixed to the inner ring of the second bearing (508), and the outer ring of the second bearing (508) is fixed to the side wall of another driving frame (501).

7. A cutting device for packaging bag processing as claimed in claim 6, characterized in that: The surface of the tensioning roller (502) is provided with anti-slip bumps.

Images