Cutting-off device for plastic outer packaging bag production

Abstract

The utility model relates to the technical field of plastic outer packaging bag production, in particular to a cutting device for plastic outer packaging bag production, which comprises a workbench and a portal frame, a discharging slope is arranged at one end of the workbench, a telescopic rod is fixedly mounted above the portal frame, a knife rest is arranged in the portal frame, and the knife rest is fixedly connected with the output end of the telescopic rod. A cutting knife is fixedly installed below the knife rest, the cutting knife corresponds to the cutting board, a spring is fixedly installed below the knife rest, a guide rod is fixedly installed below the knife rest, a pressing block is fixedly installed below the guide rod, and the lower surface of the pressing block is obliquely arranged and keeps consistent with the slope of the slope of the discharging slope; the cutter rest can be pushed to descend in the portal frame through the telescopic rod, the pressing block can firstly make contact with raw materials, the pressing block presses the raw materials to make contact with the surface of the discharging slope, due to the fact that the discharging slope is inclined, the raw materials pressed by the pressing block can be subjected to horizontal component force, the raw materials can be tightened, and displacement or deformation of the cutter during cutting can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic outer bag production technical field especially, relate to a kind of cutting device for plastic outer bag production. BACKGROUND

[0002] Plastic outer bag is a kind of packing container made of plastic material as main raw material, widely used in industry, agriculture, commerce and daily life field, since its cheap and convenient, thus the demand of plastic outer bag is also more and more big.

[0003] In the plastic bag production process, cutting equipment is usually needed to cut plastic bag, at present, it is still mainly by artificial operation semi-automatic equipment to cut outer bag, there is also automatic cutting device, but when cutting plastic outer bag, due to the soft and easily deformed characteristics of plastic outer bag, it is easy to cause plastic outer bag displacement in cutting process, affect the quality of finished product after cutting.

[0004] Therefore, in view of the above, the current cutting of plastic outer bag is mainly by artificial operation semi-automatic equipment to cut outer bag, there is also automatic cutting device, but when cutting plastic outer bag, due to the soft and easily deformed characteristics of plastic outer bag, it is easy to cause plastic outer bag displacement in cutting process, affect the quality of finished product after cutting, a cutting device for plastic outer bag production can be designed, which can automatically tighten plastic outer bag during cutting, prevent plastic outer bag from deforming and displacing during cutting, and ensure the quality of finished product after cutting. SUMMARY

[0005] In order to overcome the current cutting of plastic outer bag is mainly by artificial operation semi-automatic equipment to cut outer bag, there is also automatic cutting device, but when cutting plastic outer bag, due to the soft and easily deformed characteristics of plastic outer bag, it is easy to cause plastic outer bag displacement in cutting process, affect the quality of finished product after cutting.

[0006] The utility model discloses a cutting device for plastic outer bag production, which comprises a workbench, a gantry, an arrangement component, a conveying component and an anti-deviation component.

[0007] Preferably, the conveying component can convey the plastic outer bag raw material to be cut off, the anti-deviation component can limit the two sides of the conveyed plastic outer bag, preventing the plastic outer bag from deviating during the conveying process and affecting the subsequent cutting work, the arrangement component can smooth and arrange the plastic outer bag raw material, reducing wrinkles, the gantry is arranged to mount the telescopic rod, the telescopic rod can push the knife holder to descend in the gantry, thereby cutting the conveyed plastic outer bag raw material through the cooperation of the cutter and the anvil, when the knife holder descends, the pressing block first contacts the raw material, the pressing block compresses the raw material to contact the surface of the discharge slope, since the discharge slope is inclined, the raw material compressed by the pressing block is also subjected to a horizontal component force, thereby tightening the raw material and preventing the plastic outer bag from deforming and displacing during the cutting process, the spring provides pressure for the pressing block, and after the pressing block compresses the raw material, the knife holder can continue to descend for cutting work, the guide rod guides the spring to ensure the stability of the pressing block, after cutting is completed, the knife holder is lifted, and the cut finished plastic outer bag slides down the discharge slope and is discharged from the workbench.

[0008] Preferably, two groups of baffles are fixedly installed on the top of the workbench, the two groups of baffles are located on the two sides of the discharge slope, and a horizontal rod is fixedly installed between the two groups of baffles and located on one side of the pressing block.

[0009] Preferably, the arrangement component comprises a first vertical plate, a cleaning plate and a compression roller, one group of first vertical plates is fixedly installed on the two sides of the workbench, the cleaning plate is fixedly installed between the two groups of first vertical plates, the cleaning plate is provided with two groups, the two groups of cleaning plates are symmetrically arranged, one side of the two groups of cleaning plates is provided with three groups of compression rollers, and the compression rollers are rotatably connected with the first vertical plates.

[0010] Preferably, the conveying assembly comprises second vertical plates and conveying rollers, the two groups of second vertical plates are fixedly installed on the two sides of the workbench, the conveying rollers are arranged between the two groups of second vertical plates, the conveying rollers are rotatably connected with the second vertical plates, and the two groups of conveying rollers are vertically and linearly arranged.

[0011] Preferably, the conveying assembly comprises gears, a support bracket and a motor, one group of gears is fixedly installed at one end of each of the two groups of conveying rollers, the two groups of gears are engaged, the support bracket is fixedly installed on one side of one group of second vertical plates, and the motor is fixedly installed above the support bracket and fixedly connected with one group of gears.

[0012] Preferably, the anti-deviation assembly comprises a mounting plate, guide rails, internal threaded blocks and bidirectional lead screws, the mounting plate is fixedly installed between the two groups of second vertical plates, the guide rails are fixedly installed above the mounting plate, the internal threaded blocks are arranged above the mounting plate and slidably connected with the guide rails, the two groups of internal threaded blocks are symmetrically arranged, the bidirectional lead screws are arranged between the two groups of second vertical plates and rotatably connected with the second vertical plates, the bidirectional lead screws penetrate through the internal threaded blocks and are threadedly connected with the internal threaded blocks.

[0013] Preferably, the anti-deviation assembly comprises limiting frames and reserved grooves, one group of limiting frames is fixedly installed on one side of each of the two groups of internal threaded blocks, and the reserved grooves are formed in one side of the limiting frames.

[0014] The utility model discloses beneficial effects:

[0015] 1. The utility model discloses a gantry is installed to telescopic rod, and the telescopic rod can push the knife rest to descend in the gantry, thereby the cooperation of cutting tool and anvil is carried out to the plastic outer bag raw material of conveying and cuts off the work, when the knife rest descends, the compression block will contact the raw material first, and the raw material is contacted with the surface of the discharge slope by the compression block, and the raw material pressed by the compression block will also be subjected to a horizontal component force, thereby the raw material can be tightened, and the plastic outer bag is prevented from deforming and displacing in the cutting process, the spring is arranged to provide pressure for the compression block, and after the raw material is pressed by the compression block, the knife rest can continue to descend and cut, the spring is guided by the guide rod, and the stability of the compression block is ensured, after cutting, the knife rest is lifted, and the cut finished product plastic outer bag slides down the discharge slope and is unloaded from the workbench.

[0016] 2. When the knife rest is lifted, if the cut finished product outer bag is adhered to the lower side of the compression block, the outer bag will be blocked by the horizontal rod and fall back to the discharge slope in the process of ascending with the compression block, and then slides down the discharge slope and is unloaded from the workbench. DRAWINGS

[0017] Figure 1The first three-dimensional structure schematic view of the cutting device for plastic outer bag production is shown.

[0018] Figure 2 The second three-dimensional structure schematic view of the cutting device for plastic outer bag production is shown.

[0019] Figure 3 The cross-sectional three-dimensional structure schematic view of the cutting device for plastic outer bag production is shown.

[0020] Figure 4 The three-dimensional structure schematic view below the gantry of the cutting device for plastic outer bag production is shown.

[0021] Mark explanation: 1, workbench; 101, unloading slope; 102, baffle; 103, horizontal rod; 104, cutting board; 2, gantry; 201, telescopic rod; 202, tool holder; 203, cutter; 204, spring; 205, guide rod; 206, pressing block; 301, first vertical plate; 302, cleaning plate; 303, compression roller; 401, second vertical plate; 402, conveying roller; 403, gear; 404, support bracket; 405, motor; 501, mounting plate; 502, guide rail; 503, internal thread block; 504, bidirectional screw; 505, limiting frame; 506, reserved groove. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and examples.

[0023] Please refer to Figure 1 With Figure 4The utility model provides a kind of cutting device for plastic outer bag production, including workbench 1, gantry 2, arrangement component, conveying component and anti-deviation component, one end of workbench 1 is provided with unloading slope 101, gantry 2 is fixedly installed above workbench 1, gantry 2 is located in the side of unloading slope 101, anvil plate 104 is fixedly installed above workbench 1, anvil plate 104 is located inside gantry 2, telescopic link 201 is fixedly installed above gantry 2, knife rest 202 is arranged in the inside of gantry 2, knife rest 202 is connected with the sliding connection of gantry 2, knife rest 202 is fixedly connected with the output end of telescopic link 201, cutting knife 203 is fixedly installed below knife rest 202, cutting knife 203 is mutually corresponding with anvil plate 104, spring 204 is fixedly installed below knife rest 202, guide rod 205 is fixedly installed below knife rest 202, guide rod 205 is located in the inside of spring 204, pressing block 206 is fixedly installed below guide rod 205, pressing block 206 is fixedly connected with spring 204, the lower surface of pressing block 206 is obliquely arranged and keeps consistent with the slope gradient of unloading slope 101, arrangement component is set to the top of workbench 1, conveying component is set between whole component and gantry 2, anti-deviation component is set in the inside of conveying component;By setting conveying component, the plastic outer bag raw material to be cut off can be transported, by setting anti-deviation component, the both sides of the plastic outer bag transported can be limited, prevent plastic outer bag from running deviation in the process of conveying and affect subsequent cutting work, by setting arrangement component, plastic outer bag raw material can be flattened and arranged, reduce wrinkle, by setting gantry 2, telescopic link 201 is installed, by setting telescopic link 201, knife rest 202 can be pushed down in gantry 2, so that cutting knife 203 and anvil plate 104 cooperate, and the plastic outer bag raw material transported is cut off, when knife rest 202 drops, pressing block 206 will contact raw material first, pressing block 206 is pressed and the surface of unloading slope 101 is contacted, since unloading slope 101 is inclined, raw material pressed by pressing block 206 will also be subjected to a horizontal component force, so that raw material can be tightened, prevent plastic outer bag from deforming and displacing in the process of cutting, by setting spring 204, pressure can be provided for pressing block 206, simultaneously after raw material is pressed by pressing block 206, knife rest 202 can continue to drop and cut, by setting guide rod 205, spring 204 is guided, ensure the stability of pressing block 206, after cutting, knife rest 202 is lifted, and the finished plastic outer bag cut is slid down unloading slope 101 and unloads workbench 1.

[0024] Please refer to Figure 1 With Figure 2In the embodiment, two groups of baffle plates 102 are fixedly installed above the workbench 1, the two groups of baffle plates 102 are located on the two sides of the discharging slope 101, a cross rod 103 is fixedly installed between the two groups of baffle plates 102, and the cross rod 103 is located on one side of the pressing block 206; the baffle plates 102 can shield the finished products after cutting, and the cross rod 103 can prevent the finished products from being adhered to the pressing block 206; the arrangement assembly comprises a first vertical plate 301, a cleaning plate 302 and a pressing roller 303, a group of first vertical plates 301 are fixedly installed on the two sides of the workbench 1, the cleaning plate 302 is fixedly installed between the two groups of first vertical plates 301, the cleaning plate 302 is provided in two groups, the two groups of cleaning plates 302 are symmetrically arranged in up and down directions, three groups of pressing rollers 303 are arranged on one side of each of the two groups of cleaning plates 302, and the pressing roller 303 is rotatably connected with the first vertical plate 301; the first vertical plate 301 is arranged to install the pressing roller 303 and the cleaning plate 302, the pressing roller 303 can smooth the passing raw materials to reduce wrinkles, and the cleaning plate 302 can clean the surface of the raw materials to prevent dust and the like on the surface from affecting subsequent cutting work.

[0025] Please refer to Figure 2 and Figure 3In the embodiment, the conveying assembly comprises the second vertical plates 401 and the conveying rollers 402. The two groups of second vertical plates 401 are fixedly installed on the two sides of the workbench 1. The conveying rollers 402 are arranged between the two groups of second vertical plates 401 and are rotatably connected with the second vertical plates 401. The two groups of conveying rollers 402 are vertically and linearly arranged. The conveying assembly comprises the gears 403, the support bracket 404 and the motor 405. One group of gears 403 is fixedly installed at one end of each of the two groups of conveying rollers 402. The two groups of gears 403 are engaged. The support bracket 404 is fixedly installed on one side of one group of second vertical plates 401. The motor 405 is fixedly installed above the support bracket 404. The output end of the motor 405 is fixedly connected with one group of gears 403. The motor 405 is supported and installed by the support bracket 404. One group of gears 403 is driven to rotate by the motor 405. The two groups of conveying rollers 402 are synchronously and reversely driven to rotate by the engagement of the two groups of gears 403. The raw material passing between the two groups of conveying rollers 402 is conveyed by the two groups of conveying rollers 402. The anti-deviation assembly comprises the mounting plate 501, the guide rail 502, the internal threaded block 503 and the bidirectional screw rod 504. The mounting plate 501 is fixedly installed between the two groups of second vertical plates 401. The guide rail 502 is fixedly installed above the mounting plate 501. The internal threaded block 503 is arranged above the mounting plate 501 and is slidably connected with the guide rail 502. The two groups of internal threaded blocks 503 are symmetrically arranged. The bidirectional screw rod 504 is arranged between the two groups of second vertical plates 401 and is rotatably connected with the second vertical plates 401. The bidirectional screw rod 504 penetrates through the internal threaded block 503 and is threadedly connected with the internal threaded block 503. The anti-deviation assembly comprises the limiting frame 505 and the reserved groove 506. One group of limiting frames 505 is fixedly installed on one side of each of the two groups of internal threaded blocks 503. The reserved groove 506 is formed in one side of the limiting frame 505. The internal threaded block 503 is installed by the mounting plate 501. The limiting frame 505 is installed by the internal threaded block 503. The two sides of the raw material are limited by the limiting frame 505. The raw material passes through the reserved groove 506. The raw material is prevented from deviating out of the limiting frame 505. The two groups of internal threaded blocks 503 are reversely moved along the guide rail 502 by the rotation of the bidirectional screw rod 504. The distance between the two groups of limiting frames 505 is adjusted to adapt to raw materials with different widths.

[0026] In the working process, the raw material of the plastic outer bag to be cut is passed between the multiple groups of pressing rollers 303 and the cleaning plate 302, between the two groups of conveying rollers 402 and finally between the anvil plate 104 and the cutter 203.

[0027] The motor 405 drives a set of gears 403 to rotate, and the two sets of gears 403 mesh to drive the two sets of conveying rollers 402 to rotate in opposite directions synchronously, so that the two sets of conveying rollers 402 convey the raw materials passing between the two sets of conveying rollers 402, the pressing roller 303 can flatten the passing raw materials to reduce wrinkles, and the cleaning plate 302 can clean the surface of the raw materials to prevent floating dust on the surface from affecting the subsequent cutting work.

[0028] The telescopic rod 201 drives the knife holder 202 to descend in the gantry 2, so that the cutting knife 203 cooperates with the anvil plate 104 to cut the plastic outer bag raw materials being conveyed, when the knife holder 202 descends, the pressing block 206 first contacts the raw materials and compresses the spring 204, the spring 204 provides pressure for the pressing block 206 to press the raw materials tightly and contact the surface of the discharge slope 101, since the discharge slope 101 is inclined, the raw materials pressed tightly by the pressing block 206 also receive a horizontal component force, so that the raw materials are tightened to prevent the plastic outer bag from deforming and displacing during cutting.

[0029] After cutting, the telescopic rod 201 lifts the knife holder 202, if the cut finished product is adhered to the lower side of the pressing block 206, the finished product will contact the horizontal rod 103 during the lifting process of the pressing block 206, so that the finished product is blocked by the horizontal rod 103 and falls back to the discharge slope 101 to slide down the discharge slope 101 and be discharged from the workbench 1.

[0030] The above steps are repeated to continue conveying the raw materials to be cut to complete the automatic cutting work.

[0031] Through the above steps, the telescopic rod 201 can push the knife holder 202 to descend in the gantry 2, the pressing block 206 first contacts the raw materials, the pressing block 206 presses the raw materials to contact the surface of the discharge slope 101, since the discharge slope 101 is inclined, the raw materials pressed tightly by the pressing block 206 also receive a horizontal component force, so that the raw materials are tightened to prevent displacement or deformation during cutting by the cutting knife 203; to solve the problem that the cutting of the plastic outer bag is mainly operated by artificial semi-automatic equipment, and there is also an automatic cutting device, but due to the soft and deformable characteristics of the plastic outer bag, the plastic outer bag is easily displaced during cutting, which affects the quality of the finished product after cutting.

[0032] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the purpose of the utility model.

Claims

1. A cutting device for plastic overwrap bag production, comprising a workbench (1) and a gantry (2), characterized in that: The arrangement assembly, the conveying assembly and the deviation prevention assembly are arranged on the workbench (1), one end of the workbench (1) is provided with a discharging slope (101), the gantry (2) is fixedly installed above the workbench (1), the gantry (2) is located on one side of the discharging slope (101), the anvil (104) is fixedly installed above the workbench (1), the anvil (104) is located in the interior of the gantry (2), the telescopic rod (201) is fixedly installed above the gantry (2), the knife holder (202) is arranged in the interior of the gantry (2), the knife holder (202) is in sliding connection with the gantry (2), the knife holder (202) is fixedly connected with the output end of the telescopic rod (201), the cutter (203) is fixedly installed below the knife holder (202), the cutter (203) corresponds to the anvil (104), the spring (204) is fixedly installed below the knife holder (202), the guide rod (205) is fixedly installed below the knife holder (202), the guide rod (205) is located in the interior of the spring (204), the pressing block (206) is fixedly installed below the guide rod (205), the pressing block (206) is fixedly connected with the spring (204), the lower surface of the pressing block (206) is inclined and keeps consistent with the slope gradient of the discharging slope (101), the arrangement assembly is arranged above the workbench (1), the conveying assembly is arranged between the overall assembly and the gantry (2), and the deviation prevention assembly is arranged in the interior of the conveying assembly.

2. The cutting device for plastic outer bag production according to claim 1, characterized in that: The two groups of baffles (102) are fixedly installed above the workbench (1) and located on the two sides of the discharging slope (101), and the cross rod (103) is fixedly installed between the two groups of baffles (102) and located on one side of the pressing block (206).

3. The cutting device for plastic outer bag production according to claim 1, characterized in that: The arrangement assembly comprises the first vertical plate (301), the cleaning plate (302) and the compression roller (303), one group of first vertical plates (301) is fixedly installed on the two sides of the workbench (1), the cleaning plate (302) is fixedly installed between the two groups of first vertical plates (301), the cleaning plate (302) is provided with two groups, the two groups of cleaning plates (302) are symmetrically arranged in up and down, and the two groups of cleaning plates (302) are provided with three groups of compression rollers (303) on one side, and the compression roller (303) is in rotary connection with the first vertical plate (301).

4. The cutting device for plastic outer bag production according to claim 1, characterized in that: The conveying assembly comprises the second vertical plate (401) and the conveying roller (402), the second vertical plate (401) is provided with two groups, the two groups of second vertical plates (401) are fixedly installed on the two sides of the workbench (1), the conveying roller (402) is arranged between the two groups of second vertical plates (401), the conveying roller (402) is in rotary connection with the second vertical plate (401), the conveying roller (402) is provided with two groups, and the two groups of conveying rollers (402) are vertically linearly arranged.

5. The cutting device for producing plastic outer bags according to claim 4, characterized in that: The conveying assembly comprises gears (403), a support bracket (404) and a motor (405), one end of each of the two groups of conveying rollers (402) is fixedly installed with a group of gears (403), the two groups of gears (403) are engaged, the support bracket (404) is fixedly installed on one side of the group of second vertical plates (401), the motor (405) is fixedly installed above the support bracket (404), and the output end of the motor (405) is fixedly connected with the group of gears (403).

6. The cutting device for producing plastic outer bags according to claim 4, characterized in that: The anti-deviation assembly comprises a mounting plate (501), a guide rail (502), an internally-threaded block (503) and a bidirectional screw rod (504), the mounting plate (501) is fixedly installed between the two groups of second vertical plates (401), the guide rail (502) is fixedly installed above the mounting plate (501), the internally-threaded block (503) is arranged above the mounting plate (501), the internally-threaded block (503) is in sliding connection with the guide rail (502), there are two groups of the internally-threaded blocks (503), the two groups of internally-threaded blocks (503) are symmetrically arranged, the bidirectional screw rod (504) is arranged between the two groups of second vertical plates (401), the bidirectional screw rod (504) is in rotary connection with the second vertical plates (401), the bidirectional screw rod (504) penetrates through the internally-threaded block (503), and the bidirectional screw rod (504) is in threaded connection with the internally-threaded block (503).

7. The cutting device for producing plastic outer bags according to claim 6, characterized in that: The anti-deviation assembly comprises a limiting frame (505) and a reserved groove (506), one side of each of the two groups of internally-threaded blocks (503) is fixedly installed with a group of limiting frames (505), and one side of the limiting frame (505) is provided with the reserved groove (506).

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