CN216915055U

CN216915055U - Flattening device is used in plastic bag production

Info

Publication number: CN216915055U
Application number: CN202220086655.5U
Authority: CN
Inventors: 符朝精
Original assignee: Hainan Kangaroo Plastic Products Co ltd
Current assignee: Hainan Kangaroo Plastic Products Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-07-08
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to the technical field of plastic bag production equipment, in particular to a flattening device for plastic bag production. The technical scheme comprises the following steps: the flattening box comprises a flattening box body and a fixed light plate fixedly connected to the top of the flattening box body through a fixing rod, a square rod penetrates through the lower side of the flattening box body, a pressing light plate is fixedly connected to the upper end of the square rod, a long plate is fixedly arranged on the square rod, a return spring is arranged between the long plate and the inner bottom of the flattening box body in a sleeved mode and fixed to the inner bottom of the flattening box body, a first speed reduction motor is fixed to the inner bottom of the flattening box body through a fixing frame, a cam capable of being abutted to the long plate is fixed to the output shaft of the first speed reduction motor, and an L-shaped plate arranged on the rear side of the flattening box body in a sliding mode is fixed to the lower end of the square rod. The plastic bag flattening and winding machine can realize the flattening and winding of plastic bags, simultaneously ensures the flattening effect during flattening, simultaneously realizes automation, and greatly improves the working efficiency.

Description

Flattening device is used in plastic bag production

Technical Field

The utility model relates to the technical field of plastic bag production equipment, in particular to a flattening device for plastic bag production.

Background

In the plastic bag in-process, the plastic bag has some positions to produce the fold, if these positions that produce the fold are levelled and flattened by the arrangement in transportation process, will lead to these positions to have gas, can have the swell in follow-up rolling work, lead to the plastic bag after the rolling to roll up surperficial unevenness, influence subsequent rolling that lasts, the plastic bag that also can lead to follow-up rolling simultaneously can take place to warp, lead to the plastic bag pleasing to the eye, influence subsequent storage and subsequent selling.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the background art and provides a flattening device for plastic bag production, which can flatten a plastic bag.

The technical scheme of the utility model is as follows: the utility model provides a flattening device is used in plastic bag production, includes the flattening case and through the fixed worn-out fur at flattening incasement top of dead lever fixed connection, the downside of flattening case runs through and is provided with the square pole, the upper end fixedly connected with worn-out fur of square pole, fixed cover is equipped with the long slab on the square pole, be provided with the answer spring of cover on the square pole between the interior bottom of long slab and flattening case, the interior bottom of flattening case is fixed with gear motor one through the mount, be fixed with the cam that can with long slab looks butt on gear motor one's the output shaft, the lower extreme of square pole is fixed with the L shaped plate that slides and set up at flattening case rear side, the rear side of L shaped plate is fixed with gear motor two, gear motor two's output shaft runs through gear motor two and is fixed with gear one, the upside of rolling case is provided with the subassembly.

Preferably, the rolling subassembly is including fixing a pair of rectangular plate at the flattening case upside, two one side that the rectangular plate kept away from each other all runs through and is provided with the pivot, two demountable installation has the wind-up roll between the pivot, is located the rear side the pivot rear end is fixed with can with gear one meshing driven gear two.

Preferably, a speed reduction disc is fixed at the front end of the rotating shaft at the front side, and a speed reduction assembly fixed on the rectangular plate is arranged on the upper side of the speed reduction disc.

Preferably, the speed reduction assembly comprises a square plate fixed on a rectangular plate, an insertion rod penetrates through the upper side of the square plate, a friction block attached to the speed reduction disc is fixed at the lower end of the insertion rod, and a pressure applying spring sleeved on the insertion rod is arranged between the friction block and the square plate.

Preferably, the left side of fixed worn-out fur is provided with a pair of entering deflector roll of rotating the connection in the flattening incasement side, the right side of fixed worn-out fur is provided with a pair of play deflector roll of rotating the connection in the flattening incasement side.

Preferably, a feed inlet is formed in the left side of the flattening box, and a discharge outlet is formed in the upper side of the flattening box.

Preferably, a sliding groove is formed in the rear side of the L-shaped plate, and a limiting piece fixed on the rear wall of the flattening box is arranged in the sliding groove in a sliding mode.

Preferably, an opening and closing door is arranged on the front side of the flattening box.

Compared with the prior art, the utility model has the following beneficial technical effects:

the fixed light plate is matched with the pressing action of the upper pressing light plate, so that the pressing work can be conveniently and quickly carried out, the leveling efficiency is greatly improved, and meanwhile, under the use of a cam fixed on an output shaft of a speed reducing motor I, the reciprocating motion is realized by matching with the rebound effect of an upper return spring, so that in the pressing process of the pressing light plate, a gear I on an output shaft of a speed reducing motor II fixed on an L-shaped plate is not in meshing transmission with a gear II, the stable pressing can be further realized, and the plastic bag is prevented from being pulled; after the pressing light plate is separated from pressing, the first gear and the second gear are in meshed transmission, rolling is achieved, further, automatic flattening and rolling are achieved, and machining speed is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;

fig. 4 is an enlarged schematic view of a portion a of fig. 1.

Reference numerals: 1. flattening the box; 2. entering a guide roller; 3. discharging the guide roller; 4. fixing a light plate; 5. pressing a light plate; 6. a square bar; 7. a long plate; 8. a return spring; 9. a first speed reducing motor; 10. a cam; 11. an L-shaped plate; 12. a second speed reducing motor; 13. a first gear; 14. a rectangular plate; 15. a wind-up roll; 16. a second gear; 17. a reduction disk; 18. a speed reduction assembly.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-3, the flattening device for plastic bag production according to the present invention comprises a flattening box 1 and a fixed light panel 4 fixedly connected to the inner top of the flattening box 1 through a fixed rod, wherein an opening and closing door is arranged at the front side of the flattening box 1. The left side of the fixed light plate 4 is provided with a pair of inlet guide rollers 2 which are rotatably connected with the inner side of the leveling box 1, and the right side of the fixed light plate 4 is provided with a pair of outlet guide rollers 3 which are rotatably connected with the inner side of the leveling box 1; a feed inlet is formed in the left side of the leveling box 1, and a discharge outlet is formed in the upper side of the leveling box 1; a square rod 6 penetrates through the lower side of the leveling box 1, a pressure light plate 5 is fixedly connected to the upper end of the square rod 6, a long plate 7 is fixedly sleeved on the square rod 6, a return spring 8 sleeved on the square rod 6 is arranged between the long plate 7 and the inner bottom of the leveling box 1, a first gear motor 9 is fixed to the inner bottom of the leveling box 1 through a fixing frame, a cam 10 capable of abutting against the long plate 7 is fixed to an output shaft of the first gear motor 9, an L-shaped plate 11 arranged on the rear side of the leveling box 1 in a sliding mode is fixed to the lower end of the square rod 6, a sliding groove is formed in the rear side of the L-shaped plate 11, and a limiting part fixed to the rear wall of the leveling box 1 is arranged in the sliding groove in a sliding mode; a second gear motor 12 is fixed on the rear side of the L-shaped plate 11, an output shaft of the second gear motor 12 penetrates through the second gear motor 12 and is fixed with a first gear 13, and a winding assembly is arranged on the upper side of the flattening box 1; the winding assembly comprises a pair of rectangular plates 14 fixed on the upper side of the flattening box 1, a rotating shaft is arranged on one side, away from each other, of each rectangular plate 14 in a penetrating mode, a winding roller 15 is detachably mounted between the two rotating shafts, and a second gear 16 capable of being in meshing transmission with the first gear 13 is fixed at the rear end of the rotating shaft located on the rear side.

The working principle based on the first embodiment is as follows: when in use, the plastic bag firstly passes through the feed inlet of the flattening box 1, then passes through two inlet guide rollers 2, then passes through the fixed light plate 4 and the pressure applying light plate 5, then passes through the two outlet guide rollers 3 and then passes through the discharge outlet to be connected with the winding assembly, the first speed reduction motor 9 and the second speed reduction motor 12 are connected with a power supply, the output shaft of the first speed reduction motor 9 drives the cam 10 to rotate, the cam 10 is abutted with the long plate 7 on the square rod 6, then the long plate 7 moves up and down under the action of the cam 10, when one end of the cam 10 far away from the output shaft of the first speed reduction motor 9 is abutted with the long plate 7, then the return spring 8 on the lower side of the long plate 7 is compressed under the force, so that the fixed light plate 4 is far away from the pressure applying light plate 5, then the L-shaped plate 11 fixed at the lower end of the square rod 6 moves down, the second speed reduction motor 12 fixed on the L-shaped plate 11 moves down, and then the first gear 13 on the output shaft of the second speed reduction motor 12 moves down, the first gear 13 is meshed with the second gear 16 for transmission, and the second gear 16 drives the rotating shaft to rotate, so that the rotating shaft drives the winding roller 15 to rotate for winding; when the cam 10 is close to the one end of 9 output shafts of gear motor and contacts with long board 7, the resilience effect of return spring 8 makes the worn-out fur 5 of exerting pressure and fixed worn-out fur 4 looks butt, and then fixed worn-out fur 4 and the plastic bag between the worn-out fur 5 of exerting pressure are extruded, and then realize the flattening, and simultaneously, the fixed L shaped plate 11 of 6 lower extremes of square pole moves up, and then fixed gear 13 breaks away from the meshing transmission with gear two 16 on two 12 output shafts of gear motor, stop carrying out the rolling, thereby realized the cooperation that intermittent type's rolling and intermittent type exerted pressure, be favorable to improve equipment's flattening efficiency.

Example two

As shown in fig. 1 and fig. 4, the flattening device for plastic bag production according to the present invention further includes: the front end of the rotating shaft positioned on the front side is fixedly provided with a speed reducing disc 17, the upper side of the speed reducing disc 17 is provided with a speed reducing assembly 18 fixed on the rectangular plate 14, the speed reducing assembly 18 comprises a square plate fixed on the rectangular plate 14, an inserted bar penetrates through the upper side of the square plate, the lower end of the inserted bar is fixedly provided with a friction block attached to the speed reducing disc 17, and a pressure applying spring sleeved on the inserted bar is arranged between the friction block and the square plate.

The working principle based on the second embodiment is as follows: when the first gear 13 is not meshed with the second gear 16, the pressure spring applies pressure to the friction block, so that the friction block is abutted to the speed reducing disc 17, the resistance of the winding roller 15 in rotation is increased, the inertial rotation generated after the first gear 13 is disengaged from the second gear 16 is facilitated, and the leveling effect of the plastic bag in leveling is ensured.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The flattening device for plastic bag production is characterized by comprising a flattening box (1) and a fixed light plate (4) fixedly connected to the inner top of the flattening box (1) through a fixed rod, wherein a square rod (6) penetrates through the lower side of the flattening box (1), a pressing light plate (5) is fixedly connected to the upper end of the square rod (6), a long plate (7) is fixedly sleeved on the square rod (6), a return spring (8) sleeved on the square rod (6) is arranged between the long plate (7) and the inner bottom of the flattening box (1), a first speed reduction motor (9) is fixed to the inner bottom of the flattening box (1) through a fixed frame, a cam (10) capable of abutting against the long plate (7) is fixed to an output shaft of the first speed reduction motor (9), an L-shaped plate (11) arranged on the rear side of the flattening box (1) in a sliding mode is fixed to the lower end of the square rod (6), the rear side of the L-shaped plate (11) is fixed with a second speed reduction motor (12), an output shaft of the second speed reduction motor (12) penetrates through the second speed reduction motor (12) and is fixed with a first gear (13), and a winding assembly is arranged on the upper side of the flattening box (1).

2. The flattening device for plastic bag production according to claim 1, characterized in that the rolling component comprises a pair of rectangular plates (14) fixed on the upper side of the flattening box (1), a rotating shaft penetrates through the two sides of the rectangular plates (14) far away from each other, a rolling roller (15) is detachably mounted between the two rotating shafts, and a second gear (16) capable of being in meshing transmission with the first gear (13) is fixed at the rear end of the rotating shaft located at the rear side.

3. Flattening device for plastic bag production according to claim 2, characterized in that a reduction disk (17) is fixed to the front end of the rotating shaft on the front side, and a reduction assembly (18) fixed to the rectangular plate (14) is provided on the upper side of the reduction disk (17).

4. The flattening device for plastic bag production according to claim 3, characterized in that the speed reduction assembly (18) includes a square plate fixed on the rectangular plate (14), an insert rod is arranged on the upper side of the square plate in a penetrating manner, a friction block attached to the speed reduction disc (17) is fixed at the lower end of the insert rod, and a pressure spring sleeved on the insert rod is arranged between the friction block and the square plate.

5. The flattening device for plastic bag production according to claim 1, characterized in that the left side of the fixed light panel (4) is provided with a pair of inlet guide rollers (2) rotatably connected to the inner side of the flattening box (1), and the right side of the fixed light panel (4) is provided with a pair of outlet guide rollers (3) rotatably connected to the inner side of the flattening box (1).

6. The flattening device for plastic bag production according to claim 1, characterized in that a feed inlet is provided on the left side of the flattening box (1), and a discharge outlet is provided on the upper side of the flattening box (1).

7. The flattening device for plastic bag production according to claim 1, characterized in that a sliding groove is opened on the rear side of the L-shaped plate (11), and a limiting member fixed on the rear wall of the flattening box (1) is slidably arranged in the sliding groove.

8. Flattening device for the production of plastic bags according to claim 1, characterized in that the flattening box (1) is provided with an opening and closing door on its front side.