Bag breaking device for PE bags

Abstract

The utility model discloses a bag breaking device for a PE bag, and belongs to the technical field of PE bag production, the bag breaking device for the PE bag is characterized in that a limiting guide assembly is installed in the middle of the upper portion of a placing assembly, a cutting assembly is installed at one end of the placing assembly, the cutting assembly is arranged in the limiting guide assembly, and the limiting guide assembly comprises a top plate and a supporting bottom plate; the PE bag penetrates through the top plate and the supporting bottom plate, the cutting assembly comprises a cutter, the cutter is installed at one end of the supporting bottom plate in a limiting and sliding mode and corresponds to the PE bag, the auxiliary belt breaking assembly is used for being matched with the limiting and guiding assembly to pull and position the PE bag, the cutting assembly is used for cutting the PE bag after the PE bag is positioned, the cutting efficiency is improved, and the cutting efficiency is improved. The PE bag cutting device is convenient to use, does not need to be adjusted frequently, improves the production efficiency, and meanwhile, can cut PE bags with different sizes conveniently according to needs.

Description

Technical Field

[0001] The utility model relates to the field of PE bag production, in particular to a bag cutting device for PE bags. Background Art

[0002] PE bags are widely used and can be seen everywhere in daily life. However, since PE bags are packaged in rolls after production, that is, multiple PE bags are connected together and wound through a winding mechanism, when using a single PE bag, multiple PE bags need to be separated.

[0003] In the prior art, the PE bag cutting device with application number CN202321105013.6, in the above scheme, is lifted by the cylinder provided, thereby realizing the lifting of the bottom of the top leveling horizontal plate, and then lowered by the telescopic rod provided, thereby realizing the lowering of the bottom leveling horizontal plate, so that the distance between the two leveling horizontal plates is pulled apart, so as to facilitate the placement and clamping of the PE bag, and then the rotating handle is rotated, so that the PE bag retracting roller follows the rotating handle to release the PE bag, and the limiting column provided is inserted into the inside of the support frame, so as to realize the limitation of the rotating handle, and prevent the rotating handle from rotating during cutting, resulting in a large number of PE bags being released, affecting the cutting effect, and then the PE bag is passed through the positioning roller and the two leveling horizontal plates. The middle and positioning rollers are then driven by the driving motor to rotate, so that the connecting belt on the outer wall of the driving pulley and the driven pulley drives the driven pulley to rotate, so that the driven pulley drives the transmission screw to rotate, so that the moving block moves along the thread on the outer wall of the transmission screw, and a limiting slide rail is provided at the bottom of the moving block to prevent the moving block from rotating during the movement. However, in the above scheme, "the limiting column is inserted into the inside of the support frame to limit the rotating handle to prevent the rotating handle from rotating during cutting, resulting in a large number of PE bags being released", which requires frequent adjustment and needs to be adjusted according to different usage conditions. At the same time, it is not convenient to pull the PE bag out to a suitable size for cutting. How to invent a bag cutting device for PE bags to improve these problems has become an urgent problem to be solved by technicians in this field. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a PE bag cutting device, aiming to improve the problem that the above solution needs to be adjusted according to different usage conditions and it is not convenient to pull the PE bag into a suitable size for cutting.

[0005] The utility model is implemented as follows: a PE bag cutting device, comprising

[0006] The installation mechanism comprises a placing component; the belt breaking mechanism comprises a limiting guide component, an auxiliary belt breaking component and a cutting component, the limiting guide component is installed in the middle part above the placing component, the cutting component is installed at one end of the placing component, the cutting component is arranged inside the limiting guide component, the limiting guide component comprises a top plate and a supporting bottom plate, the PE bag passes through the top plate and the supporting bottom plate, the cutting component comprises a cutter, and the cutter is limitedly slidably installed on one end of the supporting bottom plate and is arranged corresponding to the PE bag.

[0007] In a preferred technical solution of the utility model, the placement assembly includes a bottom plate and a PE bag roller, and support frames are respectively clamped at both ends of the PE bag roller, and the support frame is installed on one end of the bottom plate.

[0008] In a preferred technical solution of the utility model, the support frame is in a herringbone shape, and a clamping groove matching with two ends of the PE bag roller is opened on the top of the support frame, and the PE bag roller is rotatably clamped to the support frame.

[0009] In a preferred technical solution of the present utility model, the limiting guide assembly also includes a support column and a cylinder, the two ends of the top plate are respectively fixedly connected with the support columns, the support columns are fixedly installed on the bottom plate, the two ends of the bottom of the support bottom plate are respectively fixedly connected with the cylinder, the cylinder is fixedly installed on the bottom plate, the support bottom plate is arranged between the two support columns, and the support bottom plate is located directly below the top plate.

[0010] In a preferred technical solution of the utility model, a guide rod is embedded and installed at a lower corner of the back of the top plate, and the guide rod is installed on the top plate in a limited rotation manner.

[0011] In a preferred technical solution of the utility model, both ends of one side of the top plate and the supporting bottom plate are provided with protrusions.

[0012] In a preferred technical solution of the present utility model, the auxiliary belt breaking assembly includes a mounting frame and a screw rod, the screw rod is mounted on both sides of the base plate, both ends of the screw rod are rotatably mounted on the base plate through bearing seats, the end of the screw rod is transmission-connected to a motor, the two sides of the bottom of the mounting frame are respectively transmission-connected to the screw rod, a finger cylinder is provided on one side of the mounting frame close to the top plate, and the finger cylinder is located between the two protrusions of the top plate and the supporting base plate.

[0013] In a preferred technical solution of the utility model, two finger cylinders are provided, and the two are located at the two ends of one side of the installation frame. The output ends of the two finger cylinders are respectively fixedly connected with connecting blocks, and the output ends of the two finger cylinders are respectively fixedly connected with clamping plates in cooperation with the connecting blocks, and the clamping plates are located between the two protrusions of the top plate and the supporting bottom plate.

[0014] In a preferred technical solution of the present invention, the cutting assembly includes a second screw rod, which is installed inside the supporting base plate, and both ends of the second screw rod are limitedly installed inside the supporting base plate through bearing seats, one end of the second screw rod is transmission-connected to a motor, and the external transmission of the second screw rod is connected to a limiting slider, and the end of the limiting slider is connected to a cutter, and the cutter is located in the middle of a protrusion on one side of the second screw rod.

[0015] In a preferred technical solution of the utility model, both sides of the limit slider are connected to the inner limit sliding of the supporting base plate, and the top and side wall of the protrusion on one side of the supporting base plate are provided with openings matching with the cutter and the limit slider.

[0016] The beneficial effects of the utility model are as follows: the utility model obtains a PE bag cutting device through the above design. When in use, one end of the PE bag on the PE bag roller passes through the top plate and the supporting bottom plate and is located on the convex block. The control cylinder drives the supporting bottom plate to rise to clamp the PE bag. At this time, the screw rod drives the installation frame to approach the top plate and the supporting bottom plate through the transmission of the motor. The finger cylinder drives the two clamping plates to expand. When the installation frame is located on one side of the top plate and the supporting bottom plate, the clamping plates are located on the upper and lower sides of one end of the PE bag. The finger cylinder makes the clamping plates clamp the end of the PE bag and cooperate with the screw rod to pull the PE The bag moves and the position of the screw drive is set. The position is determined in advance. When the installation frame reaches the position, the cylinder drives the supporting bottom plate to rise to clamp the PE bag. The PE bag is placed and pulled. The second screw drives the limit slider to drive the cutter to cut the PE bag. After cutting, the screw continues to drive the installation frame to move backward and the finger cylinder releases the clamping of the PE bag. At this time, the PE bag is flat on the bottom plate, and the next pulling and cutting is carried out. It is more convenient to use and does not require frequent adjustments, which improves production efficiency. At the same time, it is convenient to cut PE bags of different sizes according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram provided by an embodiment of the utility model;

[0019] Figure 2 A schematic diagram of a structure on one side provided for an embodiment of the utility model;

[0020] Figure 3 A schematic diagram of the cross-sectional structure of the graded parts of the position limiting guide assembly provided in the embodiment of the utility model;

[0021] Figure 4 for Figure 3 The enlarged structural diagram of part A in the middle;

[0022] Figure 5 This is a schematic structural diagram of an auxiliary belt-breaking assembly provided in an embodiment of the utility model.

[0023] In the figure: 100-installation mechanism; 110-placing assembly; 111-bottom plate; 112-support frame; 113-PE bag roller; 200-belt breaking mechanism; 210-limiting guide assembly; 211-support column; 212-top plate; 213-support bottom plate; 214-guide rod; 215-cylinder; 220-auxiliary belt breaking assembly; 221-installation frame; 222-screw rod; 223-finger cylinder; 224-clamp plate; 225-connecting block; 230-cutting assembly; 231-second screw rod; 232-limiting slider; 233-cutter. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 and Figure 2 The utility model provides a technical solution: a PE bag cutting device, comprising:

[0026] The installation mechanism 100 includes a placement component 110; the belt breaking mechanism 200 includes a limiting guide component 210, an auxiliary belt breaking component 220 and a cutting component 230. The limiting guide component 210 is installed in the middle part above the placement component 110, and the cutting component 230 is installed at one end of the placement component 110. The cutting component 230 is arranged inside the limiting guide component 210. The limiting guide component 210 includes a top plate 212 and a supporting bottom plate 213. The PE bag passes through the top plate 212 and the supporting bottom plate 213. The cutting component 230 includes a cutter 233. The cutter 233 is limitedly slidably installed on one end of the supporting bottom plate 213 and is arranged corresponding to the PE bag. The auxiliary belt breaking component 220 is used to cooperate with the limiting guide component 210 to pull and position the PE bag. The cutting component 230 is used to cut the PE bag after positioning the PE bag, thereby improving the cutting efficiency.

[0027] See also Figure 2 and Figure 3 The placement assembly 110 includes a bottom plate 111 and a PE bag roller 113. The two ends of the PE bag roller 113 are respectively connected with a support frame 112, and the support frame 112 is installed on one end of the bottom plate 111. The support frame 112 is in a herringbone shape, and a slot matching the two ends of the PE bag roller 113 is provided on the top of the support frame 112. The PE bag roller 113 is rotatably connected to the support frame 112, so that the PE bag roller 113 can be easily replaced.

[0028] The position-limiting guide assembly 210 also includes a support column 211 and a cylinder 215. The two ends of the top plate 212 are respectively fixedly connected with the support column 211, and the support column 211 is fixedly installed on the bottom plate 111. The two ends of the bottom of the support bottom plate 213 are respectively fixedly connected with the cylinder 215, and the cylinder 215 is fixedly installed on the bottom plate 111. The support bottom plate 213 is arranged between the two support columns 211, and the support bottom plate 213 is located directly below the top plate 212. A guide rod 214 is embedded and installed at a corner below the back of the top plate 212, and the guide rod 214 is limited and rotated and installed on the top plate 212. Both ends of one side of the top plate 212 and the support bottom plate 213 are provided with bumps. The guide rod 214 is used to guide the PE bag. The height of the PE bag roller 113 is higher than that of the top plate 212. The support bottom plate 213 is separately provided with grooves that match the PE bag roller 113, so as to facilitate the extrusion and positioning of the PE bag.

[0029] See also Figure 2 and Figure 5The auxiliary belt breaking assembly 220 includes a mounting frame 221 and a screw rod 222. The screw rod 222 is mounted on both sides of the base plate 111. Both ends of the screw rod 222 are rotationally mounted on the base plate 111 through bearing seats. The ends of the screw rod 222 are transmission-connected with a motor. Both sides of the bottom of the mounting frame 221 are transmission-connected with the screw rod 222 respectively. A finger cylinder 223 is provided on one side of the mounting frame 221 close to the top plate 212. The finger cylinder 223 is located between the two protrusions of the top plate 212 and the supporting bottom plate 213. There are two finger cylinders 223, which are located at the two ends of one side of the mounting frame 221. The output ends of the two finger cylinders 223 are respectively fixedly connected with connecting blocks 225. The output ends of the two finger cylinders 223 cooperate with the connecting blocks 225 to be fixedly connected with clamps 224. The clamps 224 are located between the two protrusions of the top plate 212 and the supporting bottom plate 213. The motors are all servo motors. The motors are controlled to move a certain distance, which is convenient for pulling the set distance. At the same time, they move backwards after cutting, which is convenient for laying the cut PE bags flat.

[0030] See also Figure 3 and Figure 4 The cutting assembly 230 includes a second screw rod 231, which is installed inside the support base plate 213. Both ends of the second screw rod 231 are limitedly installed inside the support base plate 213 through bearing seats. One end of the second screw rod 231 is transmission-connected to a motor. The external transmission of the second screw rod 231 is connected to a limiting slider 232. The end of the limiting slider 232 is connected to a cutter 233, and the cutter 233 is located in the middle of a protrusion on one side of the second screw rod 231. The two sides of the limit slider 232 are connected to the inner limit sliding connection of the support base plate 213. The top and side wall of the protrusion on one side of the support base plate 213 are provided with openings that cooperate with the cutter 233 and the limit slider 232. The cutter 233 is displaced on one side of the support base plate 213 by motor control. Both sides of the cutter 233 are sharpened so that the cutter 233 can cut back and forth. The cutter 233 is displaced in the middle of the two protrusions so that the cut PE bag is convenient for the next clamping of the splint 224.

[0031] Working principle: Place the PE bag roller 113 wrapped with PE bag on the support frame 112, place one end of the PE bag on the PE bag roller 113 through the top plate 212 and the support bottom plate 213 on the convex block, control the cylinder 215 to drive the support bottom plate 213 to rise and clamp the PE bag, at this time, the screw rod 222 drives the installation frame 221 to approach the top plate 212 and the support bottom plate 213 through the transmission of the motor, and the finger cylinder 223 drives the two clamping plates 224 to expand. When the installation frame 221 is located on one side of the top plate 212 and the support bottom plate 213, the clamping plates 224 are located on the upper and lower sides of one end of the PE bag, and the finger cylinder 223 The clamping plate 224 is used to clamp the end of the PE bag, and cooperates with the screw rod 222 to pull the PE bag to move, and the transmission position of the screw rod 222 is set. The position is determined in advance. When the installation frame 221 reaches the position, the cylinder 215 drives the supporting base plate 213 to rise to clamp the PE bag, and the PE bag is pulled. The second screw rod 231 drives the limiting slider 232 to drive the cutter 233 to cut the PE bag. After cutting, the screw rod 222 continues to drive the installation frame 221 to move backward and the finger cylinder 223 releases the clamping of the PE bag. At this time, the PE bag is flat on the base plate 111, and the next pulling and cutting is carried out.

[0032] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A PE bag cutting device, characterized in that: include A mounting mechanism, the mounting mechanism comprising a placement assembly; The belt breaking mechanism includes a limiting guide component, an auxiliary belt breaking component and a cutting component. The limiting guide component is installed in the middle part above the placing component. The cutting component is installed at one end of the placing component. The cutting component is arranged inside the limiting guide component. The limiting guide component includes a top plate and a supporting bottom plate. The PE bag passes through the top plate and the supporting bottom plate. The cutting component includes a cutter. The cutter is limited and slidably installed on one end of the supporting bottom plate and is arranged corresponding to the PE bag.

2. A PE bag cutting device as claimed in claim 1, characterized in that: The placement assembly comprises a bottom plate and a PE bag roller, both ends of the PE bag roller are respectively clamped with support frames, and the support frame is installed on one end of the bottom plate.

3. A PE bag cutting device as claimed in claim 2, characterized in that: The support frame is in a herringbone shape, and a clamping groove matched with two ends of the PE bag roller is opened on the top of the support frame, and the PE bag roller is rotatably clamped to the support frame.

4. A PE bag cutting device as claimed in claim 2, characterized in that: The limiting guide assembly also includes a support column and a cylinder. The two ends of the top plate are respectively fixedly connected with the support columns, and the support columns are fixedly installed on the bottom plate. The two ends of the bottom of the support bottom plate are respectively fixedly connected with the cylinder, and the cylinder is fixedly installed on the bottom plate. The support bottom plate is arranged between the two support columns, and the support bottom plate is located directly below the top plate.

5. A PE bag cutting device as claimed in claim 4, characterized in that: A guide rod is embedded and installed at a lower corner of the back of the top plate, and the guide rod is limitedly rotatably installed on the top plate.

6. A PE bag cutting device as claimed in claim 4, characterized in that: Both ends of one side of the top plate and the supporting bottom plate are provided with protrusions.

7. A PE bag cutting device as claimed in claim 6, characterized in that: The auxiliary belt breaking assembly includes a mounting frame and a screw rod, the screw rod is mounted on both sides of the base plate, both ends of the screw rod are rotatably mounted on the base plate through bearing seats, the end of the screw rod is transmission-connected to a motor, the two sides of the bottom of the mounting frame are respectively transmission-connected to the screw rod, a finger cylinder is provided on one side of the mounting frame close to the top plate, and the finger cylinder is located between the two protrusions of the top plate and the supporting base plate.

8. A PE bag cutting device as claimed in claim 7, characterized in that: The finger cylinders are provided with two, which are located at the two ends of one side of the mounting frame, and the output ends of the two finger cylinders are respectively fixedly connected with connecting blocks, and the output ends of the two finger cylinders are respectively fixedly connected with clamping plates in cooperation with the connecting blocks, and the clamping plates are located between the two protrusions of the top plate and the supporting bottom plate.

9. A PE bag cutting device as claimed in claim 7, characterized in that: The cutting assembly includes a second screw rod, which is installed inside the supporting base plate. Both ends of the second screw rod are limitedly installed inside the supporting base plate through bearing seats. One end of the second screw rod is transmission-connected to a motor. The outside of the second screw rod is transmission-connected to a limiting slider. A cutter is connected to the end of the limiting slider. The cutter is located in the middle of a protrusion on one side of the second screw rod.

10. A PE bag cutting device as claimed in claim 9, characterized in that: The two sides of the limit sliding block are connected to the inner limit sliding of the supporting base plate, and the top and side wall of the protrusion on one side of the supporting base plate are provided with openings matched with the cutter and the limit sliding block.

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