Thermal cutting device for plastic bag production

Abstract

The utility model discloses a thermal cutting device for plastic bag production, which relates to the technical field of plastic bag production and comprises a workbench and a limit component, support column feet are mounted at the bottom of the workbench, and the limit component is arranged on the rear side of the upper end of the workbench. The limiting assembly comprises a mounting back plate, an electric telescopic rod, a material pushing plate, limiting sliding blocks, limiting sliding grooves, a mounting frame, spring damping rods and material limiting rollers, the electric telescopic rod is mounted on the inner side of the mounting back plate, the material pushing plate is arranged at the front end of the electric telescopic rod, and the limiting sliding blocks are mounted on the two sides of the lower end of the material pushing plate; limiting sliding grooves are formed in the two sides of the interior of the workbench, mounting frames are mounted on the two sides of the upper end of the workbench, spring damping rods are arranged at the upper ends of the inner sides of the mounting frames, and meanwhile limiting rollers are mounted at the front ends of the spring damping rods. According to the thermal cutting device for plastic bag production, position deviation in the plastic bag machining process can be avoided, and the overall practicability of the thermal cutting device for plastic bag production is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic bag production, concretely to a plastic bag production hot cutting device. BACKGROUND

[0002] Plastic bags are bags made of plastic as the main raw material, which are essential in people's daily life, and are often used to pack other items. Because of its low cost, extremely light weight, large capacity and convenient storage, it is widely used. Plastic bag production hot cutting refers to a technology that uses hot cutting equipment or device to cut plastic film during plastic bag production. Hot cutting mainly uses heated blades to heat the plastic bag to a molten state and then cuts it. It is suitable for plastic bags with high hardness or thickness, such as PE, PP and other materials. This method can ensure that the cutting edge is smooth and flat, and is not prone to burrs and deformation. The cutting speed is relatively fast. In order to improve the production efficiency of plastic bags, a hot cutting device is needed. However, the existing hot cutting device still has the following shortcomings:

[0003] When the existing hot cutting device is used, most hot cutting devices are not convenient for stable conveying of plastic bags, which causes the position of the plastic bag to shift during processing, thereby affecting the processing yield of the subsequent plastic bag and causing the practicality of the hot cutting device to decline and the use efficiency to decrease.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a plastic bag production hot cutting device is proposed. INVENTION CONTENTS

[0005] The utility model aims at providing a plastic bag production hot cutting device to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic bag production hot cutting device, comprising a workbench and a limiting assembly, the workbench bottom is installed with support column foot, the workbench upper end rear side is provided with limiting assembly, and the limiting assembly comprises installation backplate, electric telescopic rod, push material board, limiting sliding block, limiting sliding slot, mounting bracket, spring damping rod and material limiting roller, the inside of installation backplate is installed with electric telescopic rod, and the front end of electric telescopic rod is provided with push material board, and the lower end both sides of push material board are installed with limiting sliding block, the inside of workbench is provided with limiting sliding slot, and the both sides of workbench upper end are installed with mounting bracket, and the inside upper end of mounting bracket is provided with spring damping rod, and the front end of spring damping rod is installed with material limiting roller, and the workbench upper end front side is provided with cutting assembly.

[0007] Further, the number of limiting sliding blocks is two, and the two limiting sliding blocks are symmetrically arranged on the lower end of the push material board with the front surface central axis of the push material board.

[0008] Further, the limiting sliding block is externally sized to match the internal size of the limiting sliding groove, and the limiting sliding block is slidingly connected with the workbench through the limiting sliding groove.

[0009] Further, the limiting rollers are equidistantly distributed on the inner side of the mounting frame and are elastically connected with the mounting frame through the spring damping rods.

[0010] Further, the cutting assembly comprises a limiting frame, a servo motor and a lead screw, the servo motor is installed on the upper end of the limiting frame, and the lead screw is connected to the front end of the servo motor.

[0011] Further, the cutting assembly further comprises a movable sliding block, a mounting block and an electric heating wire, the movable sliding block is externally connected with the lead screw, the mounting block is installed on the outside of the movable sliding block, and the electric heating wire is arranged on the outside of the mounting block.

[0012] Further, the movable sliding block is externally sized to match the internal size of the limiting frame, and the movable sliding block is slidingly connected with the limiting frame through the lead screw.

[0013] Further, the mounting block is horizontally distributed on the outside of the movable sliding block, and the mounting block is fixedly connected with the movable sliding block through bolts.

[0014] The utility model provides a plastic bag production hot cutting device has the following beneficial effects:

[0015] 1, the utility model discloses a limiting assembly's setting can be in the plastic bag production hot cutting device use, through electric telescopic handle operation drive pusher plate and move to position, utilize limiting sliding block cooperation limiting sliding groove and promote the stability of pusher plate use process, the mounting frame is fixedly installed on the workbench upper end both sides, and through the spring damping rod makes limiting roller and mounting frame elastic connection, places the plastic bag to be processed on the workbench upper end, utilizes spring damping rod cooperation limiting roller and positions the plastic bag, and pusher plate pushes the plastic bag to the workbench front side to promote the convenience in the use of hot cutting device.

[0016] 2, the utility model discloses a cutting assembly's setting can be in the plastic bag production hot cutting device use, through servo motor operation drive lead screw rotation, make the movable sliding block of lead screw external connection with the limiting frame inside slide up and down, install mounting block on the outside of movable sliding block, and install electric heating wire between two mounting blocks, with the movement of movable sliding block drive electric heating wire and move to position, thereby hot cutting operation is carried out to the plastic bag, and then the overall practicality and use efficiency of hot cutting device are improved. DRAWINGS

[0017] Fig. 1The utility model relates to a kind of stereoscopic structure schematic diagram of plastic bag production hot cutting device.

[0018] Fig. 2 The utility model relates to a kind of stereoscopic development structure schematic diagram of plastic bag production hot cutting device's limiting component;

[0019] Fig. 3 The utility model relates to a kind of stereoscopic sectional structure schematic diagram of plastic bag production hot cutting device's cutting component.

[0020] In the drawing: 1, workbench;2, support column foot;3, limiting component;301, installation backboard;302, electric telescopic link;303, push material plate;304, limiting sliding block;305, limiting sliding slot;306, mounting bracket;307, spring damper rod;308, limiting roller;4, cutting component;401, limiting frame;402, servo motor;403, screw;404, movable sliding block;405, mounting block;406, electric heating wire. DETAILED DESCRIPTION

[0021] The embodiments of the utility model are further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0022] As Figs. 1-3As shown, a plastic bag production hot cutting device, including a workbench 1 and a limiting assembly 3, the workbench 1 bottom is installed with support column foot 2, the workbench 1 upper end rear side is provided with limiting assembly 3, and the limiting assembly 3 includes installation back plate 301, electric telescopic rod 302, push material plate 303, limiting sliding block 304, limiting sliding slot 305, mounting bracket 306, spring damping rod 307 and limiting material roller 308, the inner side of installation back plate 301 is installed with electric telescopic rod 302, and the front end of electric telescopic rod 302 is provided with push material plate 303, and the lower end of push material plate 303 is installed with limiting sliding block 304 on both sides, the inside of workbench 1 is provided with limiting sliding slot 305 on both sides, and the upper end of workbench 1 is installed with mounting bracket 306 on both sides, and the inner side of mounting bracket 306 is provided with spring damping rod 307 on the upper end, and limiting material roller 308 is installed on the front end of spring damping rod 307, the number of limiting sliding blocks 304 is two, and the two limiting sliding blocks 304 are symmetrically arranged on the lower end of both sides of push material plate 303 with the front central axis of push material plate 303, the external dimension of limiting sliding block 304 is matched with the internal dimension of limiting sliding slot 305, and limiting sliding block 304 is slidably connected with workbench 1 through limiting sliding slot 305, limiting material roller 308 is equidistantly distributed on the inner side of mounting bracket 306, and limiting material roller 308 is elastically connected with mounting bracket 306 through spring damping rod 307, mounting back plate 301 is fixedly installed on the upper end rear side of workbench 1 through fastening bolt, and electric telescopic rod 302 is fixedly installed on the inner side of mounting back plate 301 through fastening bolt, electric telescopic rod 302 drives push material plate 303 to move, and the external dimension of limiting sliding block 304 installed on the lower end of both sides of push material plate 303 is matched with the internal dimension of limiting sliding slot 305 opened in the inside of workbench 1, so that the stability of push material plate 303 in use is improved through limiting sliding block 304 cooperating with limiting sliding slot 305, mounting bracket 306 is fixedly installed on the upper end of both sides of workbench 1, and limiting material roller 308 is elastically connected with mounting bracket 306 through spring damping rod 307, the plastic bag to be processed is placed on the upper end of workbench 1, and the plastic bag is limited through spring damping rod 307 cooperating with limiting material roller 308, and the plastic bag is pushed to the front side of workbench 1 through push material plate 303, so that the convenience of the hot cutting device in use is improved.

[0023] As Figs. 1-3As shown, the upper end of the front side of the workbench 1 is provided with a cutting assembly 4, which includes a limiting frame 401, a servo motor 402 and a lead screw 403. The upper end of the limiting frame 401 is provided with the servo motor 402, and the front end of the servo motor 402 is connected with the lead screw 403. The cutting assembly 4 further includes a movable sliding block 404, a mounting block 405 and an electric heating wire 406. The outer portion of the lead screw 403 is connected with the movable sliding block 404, and the outer portion of the movable sliding block 404 is provided with the mounting block 405. The outer portion of the mounting block 405 is provided with the electric heating wire 406. The outer portion of the movable sliding block 404 is matched with the inner portion of the limiting frame 401 in size, and the movable sliding block 404 is slidably connected with the limiting frame 401 through the lead screw 403. The outer side of the mounting block 405 is horizontally distributed with the outer side of the movable sliding block 404, and the mounting block 405 is fixedly connected with the movable sliding block 404 through bolts. The limiting frame 401 is fixedly installed on the upper end of the front side of the workbench 1 through fastening bolts, and the servo motor 402 is fixedly installed on the upper end of the limiting frame 401 through fastening bolts. The output shaft of the servo motor 402 is connected with the lead screw 403 through a shaft coupling. The servo motor 402 drives the lead screw 403 to rotate, so that the movable sliding block 404 connected with the outer portion of the lead screw 403 slides up and down in the inner portion of the limiting frame 401. The mounting block 405 is fixedly installed on the outer portion of the movable sliding block 404, and the electric heating wire 406 is installed between the two mounting blocks 405. The movement of the movable sliding block 404 drives the electric heating wire 406 to move, so as to heat cut the plastic bag, thereby improving the overall practicality and use efficiency of the heat cutting device.

[0024] In summary, the plastic bag production heat cutting device uses the supporting column foot 2 installed at the bottom of the workbench 1 to improve the stability during use. The electric telescopic rod 302 drives the pushing plate 303 to move, and the limiting sliding block 304 cooperates with the limiting sliding groove 305 to improve the stability of the pushing plate 303 during use. The mounting frame 306 is fixedly installed on the upper end of the two sides of the workbench 1, and the limiting roller 308 is elastically connected with the mounting frame 306 through the spring damping rod 307. The plastic bag to be processed is placed on the upper end of the workbench 1, and the spring damping rod 307 cooperates with the limiting roller 308 to limit the plastic bag. The pushing plate 303 pushes the plastic bag to the front side of the workbench 1. Then, the servo motor 402 drives the lead screw 403 to rotate, so that the movable sliding block 404 connected with the outer portion of the lead screw 403 slides up and down in the inner portion of the limiting frame 401. The mounting block 405 is fixedly installed on the outer portion of the movable sliding block 404, and the electric heating wire 406 is installed between the two mounting blocks 405. The movement of the movable sliding block 404 drives the electric heating wire 406 to move, so as to heat cut the plastic bag, thereby improving the overall practicality and use efficiency of the heat cutting device.

[0025] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A plastic bag production hot cutting device comprising a workbench (1) and a limiting assembly (3), characterized in that, The bottom of the workbench (1) is provided with a support column foot (2), the rear side of the upper end of the workbench (1) is provided with a limiting assembly (3), and the limiting assembly (3) comprises a mounting back plate (301), an electric telescopic rod (302), a pushing plate (303), a limiting sliding block (304), a limiting sliding groove (305), a mounting frame (306), a spring damping rod (307) and a limiting roller (308), the inner side of the mounting back plate (301) is provided with the electric telescopic rod (302), the front end of the electric telescopic rod (302) is provided with the pushing plate (303), and the lower end of the pushing plate (303) is provided with the limiting sliding block (304) on both sides, the inside of the workbench (1) is provided with the limiting sliding groove (305) on both sides, and the upper end of the workbench (1) is provided with the mounting frame (306) on both sides, and the inner side of the mounting frame (306) is provided with the spring damping rod (307) on the upper end, and the front end of the spring damping rod (307) is provided with the limiting roller (308), and the upper end of the workbench (1) is provided with a cutting assembly (4).

2. A hot cutting device for plastic bag production according to claim 1, characterized in that, The number of the limiting sliding blocks (304) is two, and the two limiting sliding blocks (304) are symmetrically arranged on the lower end of the pushing plate (303) through the front central axis of the pushing plate (303).

3. A hot cutting device for plastic bag production as claimed in claim 1, wherein, The outer dimension of the limiting sliding block (304) is matched with the inner dimension of the limiting sliding groove (305), and the limiting sliding block (304) is slidably connected with the workbench (1) through the limiting sliding groove (305).

4. The apparatus of claim 1, wherein the cutting device is a hot cutting device. The limiting rollers (308) are equidistantly distributed on the inner side of the mounting frame (306), and the limiting rollers (308) are elastically connected with the mounting frame (306) through the spring damping rod (307).

5. The apparatus of claim 1, wherein the cutting device is a hot cutting device. The cutting assembly (4) comprises a limiting frame (401), a servo motor (402) and a lead screw (403), the upper end of the limiting frame (401) is provided with the servo motor (402), and the front end of the servo motor (402) is connected with the lead screw (403).

6. A hot cutting device for the production of plastic bags according to claim 5, characterized in that The cutting assembly (4) further comprises a movable sliding block (404), a mounting block (405) and an electric heating wire (406), the outer portion of the lead screw (403) is connected with the movable sliding block (404), and the outer portion of the movable sliding block (404) is provided with the mounting block (405), and the outer portion of the mounting block (405) is provided with the electric heating wire (406).

7. A hot cutting device for the production of plastic bags according to claim 6, characterized in that The outer dimension of the movable sliding block (404) is matched with the inner dimension of the limiting frame (401), and the movable sliding block (404) is slidably connected with the limiting frame (401) through the lead screw (403).

8. A hot cutting device for plastic bag production as defined in claim 6, characterized in that The outer side of the mounting block (405) is horizontally distributed with the outer side of the movable sliding block (404), and the mounting block (405) is fixedly connected with the movable sliding block (404) through bolts.

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