CN210551422U

CN210551422U - Reciprocating cutter driving mechanism of packaging material cutting device

Info

Publication number: CN210551422U
Application number: CN201920980382.7U
Authority: CN
Inventors: 周海涛; 袁青国; 张汉龙; 牛德才
Original assignee: Guangdong Jma Aluminium Profile Factory Group Co ltd; Foshan JMA Aluminium Co Ltd
Current assignee: Guangdong Jma Aluminium Profile Factory Group Co ltd; Foshan JMA Aluminium Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-05-19
Anticipated expiration: 2029-06-26

Abstract

The embodiment of the utility model discloses packaging material cutting device's reciprocal actuating mechanism of cutter, including translation frame, cutter stop gear and horizontal supporting mechanism, cutter stop gear locates on the translation frame for the installation cutter, translation frame can drive cutter stop gear reciprocating motion on packaging material's direction of delivery, horizontal supporting mechanism can remove the process at the cutter and provide the support for packaging material. By adopting the utility model, the translation frame reserves the cutter mounting space, and the cutter can be prevented from being damaged due to torsion; the translation can drive the plug-in strip reciprocating motion on packaging material's traffic direction, horizontal supporting mechanism keeps the bearing of the packaging material in the space around the plug-in strip motion process, guarantees that packaging material can enter into smoothly in the cutter of installing on the translation frame, makes the cutter can once only cut off range upon range of multiple packaging material, satisfies the user demand.

Description

Reciprocating cutter driving mechanism of packaging material cutting device

Technical Field

The utility model relates to the field of packaging machinery, especially, relate to a reciprocating drive mechanism of cutter of packaging material cutting device.

Background

The aluminum material needs to be packaged before transportation so as to prevent the surface of the aluminum material from being scratched in the transportation and storage processes. The packaging materials are different according to different types of aluminum materials, and the packaging paper is usually directly coated, coated with pearl cotton and then coated, or coated with the pearl cotton and the packaging paper layer by layer for multiple times. Regardless of the packaging method, a predetermined length of packaging material is taken out of the roll of packaging paper or pearl wool in advance, and the packaging material is stacked flatly according to a predetermined stacking sequence and layers. And finally, placing the aluminum material on the pretreated packaging material for packaging. The process of getting packing material still goes on through the manual work at present, and the manual work is got the material and is not only inefficiency, consumes a large amount of manpowers moreover, and the packing material after getting the material is heavier, needs the transport of instruments such as fork truck, and is comparatively loaded down with trivial details.

If a stationary knife blade is used to cut the packaging material, the knife blade needs to be stationary to wait for the knife blade to cut off the packaging material after the packaging material is discharged in a predetermined length each time, and then the packaging material is moved away from the vicinity of the knife blade, which is inefficient and cumbersome. If the movable knife switch is used, the moving process of the knife switch is difficult to ensure to be matched with the moving path of the packaging material, and the packaging material in the front space and the rear space of the knife switch needs to be supported to prevent the cut packaging material from falling.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem that will solve lies in, provides a cutter reciprocating drive mechanism of packaging material cutting device, can drive the plug-in strip at packaging material's traffic direction upward reciprocating motion to the bearing of packaging material in the space around the plug-in strip motion process keeps the plug-in strip.

In order to solve the technical problem, the embodiment of the utility model provides a reciprocating drive mechanism of cutter of packaging material cutting device, including translation frame, cutter stop gear and horizontal supporting mechanism, cutter stop gear locates on the translation frame for the installation cutter, translation frame can drive cutter stop gear reciprocating motion on packaging material's direction of delivery, horizontal supporting mechanism can remove the process at the cutter and provide the support for packaging material.

As an improvement of the above scheme, the translation frame comprises a slide rail, a slide block capable of sliding on the slide rail, a translation lower beam arranged on the slide block, a strut arranged on the translation lower beam, and a translation upper beam connected with the top of the strut; the translation lower beam can do reciprocating motion relative to the sliding rail under the driving of the reciprocating driving device.

As an improvement of the above scheme, the reciprocating driving device is a chain arranged in an annular manner and a chain wheel matched with the chain, and the chain wheel is driven by a driving motor; the chain is connected with the translation lower beam.

As an improvement of the scheme, the cutter limiting mechanism is arranged on the support and comprises a front limiting block and a rear limiting block, and a movable cutting edge limiting groove is formed between the front limiting block and the rear limiting block.

As an improvement of the above scheme, the horizontal supporting mechanism comprises a supporting belt and a supporting belt guide roller, wherein one end of the supporting belt is connected with the top of the front limiting block, and the other end of the supporting belt is connected with the side surface of the rear limiting block; the support belts are arranged in an endless manner in the conveying direction of the packaging material under the guidance of the support belt guide rollers.

As an improvement of the above scheme, the four support belt guide rollers comprise a first upper guide roller, a second upper guide roller, a first lower guide roller and a second lower guide roller, the first upper guide roller and the second upper guide roller are respectively arranged in front of and behind the translation frame, and the first lower guide roller and the second lower guide roller are arranged below the corresponding first upper guide roller and the corresponding second upper guide roller; the first upper guide roller, the second upper guide roller, the first lower guide roller and the second lower guide roller are matched to tighten the supporting belt, and the supporting belt between the first upper guide roller and the front limiting block and between the second upper guide roller and the rear limiting block is kept horizontal in the moving process of the translation frame.

As an improvement of the scheme, a movable cutting edge adjusting block is further arranged in the rear limiting block and is fixed between the rear limiting block and the front limiting block through an adjusting nut.

As an improvement of the scheme, the adjusting nuts are arranged at a preset distance from top to bottom, penetrate through the rear limiting block and are connected with the movable cutting edge adjusting block, and the front and rear positions and the front and rear inclination angles of the movable cutting edge adjusting block can be adjusted by adjusting the adjusting nuts with different heights.

Implement the embodiment of the utility model provides a, following beneficial effect has:

the reciprocating driving mechanism of the cutter of the packaging material cutting device comprises a translation frame, wherein a cutter mounting space is reserved in the translation frame, and the cutter can be prevented from being damaged due to torsion; the translation can drive the plug-in strip reciprocating motion on packaging material's traffic direction, horizontal supporting mechanism keeps the bearing of the packaging material in the space around the plug-in strip motion process, guarantees that packaging material can enter into smoothly in the cutter of installing on the translation frame, makes the cutter can once only cut off range upon range of multiple packaging material, satisfies the user demand.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a packaging material cutting device according to the present invention;

fig. 2 is a schematic structural view of a paper feeding mechanism of a packaging material cutting device according to the present invention;

fig. 3 is a schematic structural diagram of a cutter and a cutter reciprocating driving mechanism of the packaging material cutting device of the present invention;

fig. 4 is a working principle diagram of a packaging material cutting device of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

As shown in fig. 1-5, an embodiment of the present invention provides a packaging material cutting device, which includes a paper feeding mechanism 1, a cutter 2 and a cutter reciprocating driving mechanism 3, wherein the paper feeding mechanism 1 includes a paper storage rack 11, a tensioning leveling mechanism and a first traction mechanism, and is used for storing and flatly pushing the packaging material forward; the cutter 2 comprises a fixed cutting edge 21, a movable cutting edge 22 and a cutting edge driving mechanism 23, and the cutting edge driving mechanism 23 can drive the movable cutting edge 22 to move relative to the fixed cutting edge 21 so as to cut off the packaging material; the cutter reciprocating driving mechanism 3 comprises a translation frame 31, a cutter limiting mechanism 32 and a horizontal supporting mechanism 33, the cutter limiting mechanism 32 is arranged on the translation frame 31 and used for installing the cutter 2, the translation frame 31 can drive the cutter limiting mechanism 32 to reciprocate in the conveying direction of the packaging material, and the horizontal supporting mechanism 33 can support the packaging material in the moving process of the cutter 2. The blade driving mechanism 23 may be a pneumatic or hydraulic cylinder vertically disposed and connected to the movable blade 22.

The utility model discloses a paper feed mechanism 1 concentrates on depositing, levels and pulls packaging material, mixes out the packaging material combination 4 of different effects, like the combination that pearl cotton, wrapping paper and plastic paper range upon range of in proper order, the combination that pearl cotton, wrapping paper, pearl cotton and wrapping paper range upon range of in proper order, combination that pearl cotton and wrapping paper range upon range of in proper order etc.. The stacked and sent packaging material combination 4 is subjected to arrangement by a tensioning and flattening mechanism, so that packaging materials with different thicknesses and hardness are mutually attached and synchronously move. Then the packaging material enters a cutter 2 driven by a cutter reciprocating driving mechanism 3, and the cutter reciprocating driving mechanism 3 drives the cutter 2 to move at the same speed as the packaging material, so that the cutter 2 can cut off the packaging material in a moving state. The cutter reciprocating driving mechanism 3 also keeps the support of the packaging materials in front of and behind the cutter 2 through the horizontal supporting mechanism 33, and ensures that the packaging materials in front of the cutter 2 after being cut off can pass through the cutter 2 to continue to move forward stably. The cut packaging material combination with the preset length is stored in a storage mechanism behind the cutter 2, the packaging material is conveyed to a packaging station after being stacked to the preset height, and the aluminum material is packaged mechanically or manually.

In order to deal with the defects of wrinkles, untight fit, mutual displacement and the like caused by different thicknesses, hardness and surface smoothness of different packaging material combinations, the tensioning and flattening mechanism is designed in a targeted mode. The tensioning and leveling mechanism comprises a first leveling and stretching mechanism 12, a transverse limiting mechanism 13 and a second leveling and stretching mechanism 14; the first leveling and stretching mechanism 12 comprises a guide roller 121, a fixed pressing roller 122 and a movable pressing roller 123, wherein the movable pressing roller 123 is arranged above the fixed pressing roller 122 and is used for being matched with the fixed pressing roller 122 to apply uniform pressure to the passing packaging material; the transverse limiting mechanism 13 comprises a fixed baffle 131 and a movable baffle 132 which are respectively arranged at two sides of the passing packaging material, and the movable baffle 132 can move relative to the fixed baffle 131; the second flattening and stretching mechanism 14 is used to apply a second uniform pressure to the packaging material.

When the packaging material combination enters the guide roller 121, the packaging material combination changes from horizontal movement to longitudinal movement, and the turning process can remove gaps among different packaging materials, so that the packaging materials are more fit. Then the packaging material combination passes between the fixed pressing roller 122 and the movable pressing roller 123, the movable pressing roller 123 is fixed above the fixed pressing roller 122 through a freely movable swing arm, when the packaging material combination passes through, the movable pressing roller 123 applies pressure based on the weight of the movable pressing roller 123 to the packaging material combination, the packaging material combination is tensioned, and the tensioning effect of the movable pressing roller is not influenced by the thickness of the packaging material combination. After passing through the fixed pinch roller 122 and the movable pinch roller 123, the packaging material combination passes through the fixed flap 131 and the movable flap 132, aligning the packaging material combination. Finally, the packaging material assembly passes through a second leveling and stretching mechanism 14, wherein the second leveling and stretching mechanism 14 comprises a longitudinal movable seat 141 and a rectangular strip 142 arranged on the longitudinal movable seat 141, and the rectangular strip 142 can move up and down relative to the longitudinal movable seat 141. The bottom surface of rectangular strip 142 is the rectangle, can provide the comparatively wide pressure face of parallel with the bottom plate cooperation for the packaging material combination, eliminates the bending stress that the packaging material coiled production was deposited, guarantees that the packaging material levels and piles up.

First drive mechanism is including the initiative carry over pinch rolls 15 of fixed setting to and the passive carry over pinch rolls 16 that sets up with the cooperation of initiative carry over pinch rolls 15, passive carry over pinch rolls 16 are located on carry over pinch rolls lift cylinder 17, can reciprocate relatively initiative carry over pinch rolls 15. When the device works, the traction roller lifting cylinder 17 drives the driven traction roller 16 to descend to press the passing packaging material in a combined mode, and the driving traction roller 15 is connected with a power mechanism such as a motor and the like to drive the packaging material to convey forwards through self rotation. According to the combination of different packaging materials, the pulling force of the pulling roll lifting cylinder 17 can be adjusted to provide a suitable clamping force for the packaging materials, prevent the packaging materials from slipping, or convey different materials asynchronously.

When the tensioned and flattened packaging material combination 4 enters a cutting station and is sent out for a preset length, the cutter reciprocating driving mechanism 3 drives the cutter 2 to move at the same speed as the packaging material, then the cutter 2 cuts off the packaging material, and the cut packaging material is continuously conveyed forwards and is flatly stacked at a preset position. The cutter 2 is opened again after cutting off the packaging material, the cutter reciprocating driving mechanism 3 drives the cutter 2 to move back and reset, and the subsequent packaging material passes through the cutter 2 and is conveyed continuously until reaching the preset length and then is cut off by the cutter 2 again. In order to reliably mount the cutting knife 2 and drive the cutting knife 2 to move, the translation frame 31 comprises a slide rail 311, a slide block 312 capable of sliding on the slide rail 311, a translation lower beam 313 arranged on the slide block 312, a support 314 arranged on the translation lower beam 313, and a translation upper beam 315 connected with the top of the support 314; the lower translational beam 313 can reciprocate relative to the slide rail 311 under the driving of the reciprocating driving device. The cutter limiting mechanism 32 is arranged on the support 314 and comprises a front limiting block 321 and a rear limiting block 322, and a movable blade limiting groove 323 is formed between the front limiting block 321 and the rear limiting block 322. The fixed blade 21 is fixed on the translational upper beam 315, and the firm translational upper beam 315 provides an integral support for the fixed blade 21, so that the fixed blade 21 is prevented from being deformed or even directly damaged due to excessive stress. The movable blade 22 is arranged below the fixed blade 21 and between the front limiting block 321 and the rear limiting block 322, and the movable blade 22 is substantially limited by the front limiting block 321 and the rear limiting block 322.

Since the cutting blade 2 and the packaging material are at the same speed in the cutting process, which means that the cutting blade 2 is stationary relative to the packaging material, the packaging material behind the cutting blade 2 after cutting may be brought between the movable blade 22 and the rear stopper 322, causing cutting defects. Therefore, the scheme provides a special movable blade structure. The movable blade 22 includes a cutting portion 221 and a tail bearing portion 222 located at a side of the cutting portion 221 and extending horizontally forward. When the movable blade 22 moves upward to cut the packing material in cooperation with the fixed blade 21, the cut end of the packing material is supported on the trailing-end supporting portion 222, and the movable blade 22 then moves downward, and the packing material is moved to the upper surface of the rear stopper 322, thereby preventing the defective portion 221 of the packing material from being defective. By using the movable blade 22 with the above structure, a section of packaging material can be supported during cutting, so that the cutting force perpendicular to the surface of the packaging material is accurately provided for the packaging material, and the section is flat and smooth. Preferably, the reciprocating driving device comprises an annularly arranged chain 316 and a chain wheel 317 arranged in cooperation with the chain 316, wherein the chain wheel 317 is driven by a driving motor 318; the chain 316 is connected to the lower translation beam 313. The driving motor 318 drives the sprocket 317 to rotate forward and backward, so that the chain 316 drives the translation frame 31 to move forward and backward.

Preferably, the horizontal supporting mechanism 33 includes a supporting belt 331 and a supporting belt guide roller 332, one end of the supporting belt 331 is connected to the top of the front stopper 321, and the other end is connected to the side of the rear stopper 322; the support belt 331 is arranged in a loop shape along the conveying direction of the packaging material under the guide of the support belt guide roller 332. Specifically, the support belt guide rollers 332 include four guide rollers, including a first upper guide roller a, a second upper guide roller b, a first lower guide roller c and a second lower guide roller d, where the first upper guide roller a and the second upper guide roller b are respectively disposed in front of and behind the translation frame 31, and the first lower guide roller c and the second lower guide roller d are disposed below the corresponding first upper guide roller a and the corresponding second upper guide roller b; the first upper guide roller a, the second upper guide roller b, the first lower guide roller c and the second lower guide roller d cooperate to tighten the support belt 331 and keep the support belt 331 between the first upper guide roller a and the front stopper 321 and between the second upper guide roller b and the rear stopper 322 horizontal during the movement of the translation frame 31. When the packaging material is fed into the cutting station, the supporting belt 331 positioned between the first upper guide roller a and the front limiting block 321 is in contact with the packaging material, after the packaging material passes through the cutting knife 2, the supporting belt 331 positioned between the second upper guide roller b and the rear limiting block 322 is in contact with the packaging material, and the supporting belt 331 is driven by the translation frame 31 to synchronously move so as to provide complete support for the packaging material.

The adjustment of the relative position of the fixed blade 21 and the movable blade 22 is particularly important during operation of the cutter 2. In order to ensure that the relative position and orientation of the movable blade 22 and the fixed blade 21 are consistent with the expected position and orientation, a movable blade adjusting block 324 is further arranged in the rear limiting block 322 of the embodiment. The movable blade adjusting block 324 is fixed between the movable blade 22 and the front stopper 321 by an adjusting nut 325. Specifically, the adjusting nuts 325 are arranged at a predetermined distance from top to bottom, penetrate through the rear limiting block 322 and are connected with the movable blade adjusting block 324, and the front-back position and the front-back inclination angle of the movable blade adjusting block 324 can be adjusted by adjusting the adjusting nuts 325 with different heights, so that the relative position and orientation of the movable blade 22 and the fixed blade 21 are adjusted, and the cutting is ensured to be crisp and smooth. In addition, the cutter clearance change caused by abrasion can be quickly adjusted after multiple times of cutting.

The wrapping material should be kept tensioned during cutting, and for this purpose, the wrapping material cutting device further comprises a second traction mechanism 18, which is arranged behind the translation carriage 31, and is used for tensioning the wrapping material at the cutting station before cutting and also providing forward power for the cut wrapping material so that the cut wrapping material is completely discharged.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A cutter reciprocating driving mechanism of a packaging material cutting device is characterized by comprising a cutter driving mechanism; the cutting knife device comprises a translation frame, a cutting knife limiting mechanism and a horizontal supporting mechanism, wherein the cutting knife limiting mechanism is arranged on the translation frame and used for installing a cutting knife, the translation frame can drive the cutting knife limiting mechanism to reciprocate in the conveying direction of a packaging material, and the horizontal supporting mechanism can support the packaging material in the moving process of the cutting knife.

2. The reciprocating drive mechanism for a cutting knife according to claim 1, wherein the translating carriage comprises a slide rail, a slide block capable of sliding on the slide rail, a translating lower beam provided on the slide block, a support column provided on the translating lower beam, and a translating upper beam connected to the top of the support column; the translation lower beam can do reciprocating motion relative to the sliding rail under the driving of the reciprocating driving device.

3. The reciprocating cutter driving mechanism according to claim 2, wherein the reciprocating drive means is an endless chain and a sprocket wheel disposed in cooperation with the chain, the sprocket wheel being driven by a drive motor; the chain is connected with the translation lower beam.

4. The reciprocating cutter driving mechanism as set forth in claim 1, wherein the cutter limiting mechanism is provided on the support and includes a front limiting block and a rear limiting block, and a movable blade limiting groove is formed between the front limiting block and the rear limiting block.

5. The reciprocating cutter driving mechanism according to claim 4, wherein the horizontal supporting mechanism includes a supporting belt and a supporting belt guide roller, one end of the supporting belt is connected to the top of the front stopper, and the other end is connected to the side of the rear stopper; the support belts are arranged in an endless manner in the conveying direction of the packaging material under the guidance of the support belt guide rollers.

6. The reciprocating cutter driving mechanism according to claim 5, wherein the number of the supporting belt guide rollers is four, and the supporting belt guide rollers include a first upper guide roller, a second upper guide roller, a first lower guide roller and a second lower guide roller, the first upper guide roller and the second upper guide roller are respectively disposed in front of and behind the translation frame, and the first lower guide roller and the second lower guide roller are disposed below the corresponding first upper guide roller and the corresponding second upper guide roller; the first upper guide roller, the second upper guide roller, the first lower guide roller and the second lower guide roller are matched to tighten the supporting belt, and the supporting belt between the first upper guide roller and the front limiting block and between the second upper guide roller and the rear limiting block is kept horizontal in the moving process of the translation frame.

7. The reciprocating cutter driving mechanism as claimed in claim 4, wherein a movable blade adjusting block is further provided in the rear stopper, and the movable blade adjusting block is fixed between the rear stopper and the front stopper by an adjusting nut.

8. The reciprocating driving mechanism for a cutter according to claim 7, wherein the adjusting nuts are arranged at a predetermined distance from the top to the bottom, penetrate the rear stopper to be connected to the movable blade adjusting block, and adjust the front-rear position and the front-rear inclination angle of the movable blade adjusting block by adjusting the adjusting nuts of different heights.