CN217495394U - Flat-opening machine for processing food-grade environment-friendly plastic bag - Google Patents

Abstract

The utility model relates to the technical field of plastic bag production, in particular to a flat-end machine for processing food-grade environment-friendly plastic bags, which can automatically compress and fix the plastic bags, avoids manual pressing, reduces the labor intensity, improves the working efficiency and has high practicability and safety; the reciprocating screw rod type cutting device comprises a support, an extension plate, a support frame, a pressing plate, a reciprocating screw rod, a sliding block, a cutting knife, a support platform, a fixing frame, a first cylinder, a sliding rod, a pressing block, a fixing plate, an elevating mechanism, a front and back pressing mechanism, a driving device and a left and right moving device.

Description

Flat mouthful of machine is used in processing of food level environmental protection plastic bag

Technical Field

The utility model relates to a technical field of plastic bag production especially relates to a flat mouthful of machine is used in processing of food level environmental protection plastic bag.

Background

The environment-friendly plastic bag is short for various biodegradable plastic bags and is widely applied to daily life of people. The opening of the plastic bag needs to be cut neatly by using a flat opening machine in the production process of the environment-friendly plastic bag, and the existing flat opening machine is not provided with a pressing device for the plastic bag when in use, so that a worker needs to pull and press the plastic bag on the flat opening machine by hand in the cutting process of the plastic bag, the labor intensity is high, the hand of the worker is easily injured in the cutting process of the plastic bag, and the safety is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can compress tightly the plastic bag automatically fixed, avoid the manual work to press, reduce intensity of labour, improve work efficiency, practicality and high edible level environmental protection plastic bag processing of security is with flat mouthful machine.

The utility model discloses a flat mouth machine for processing food grade environment-friendly plastic bags, which comprises a bracket, a support plate, a support frame, a press plate, a reciprocating screw rod, a slide block, a cutting knife, a support platform, a fixed frame, a first cylinder, a slide rod, a press block, a fixed plate, a lifting mechanism, a front and back pressing mechanism, a driving device and a left and right moving device; the support plate is fixedly arranged at the upper end of the support, the support frame is fixedly arranged at the left part of the upper end of the support plate, the lifting mechanism is arranged on the support frame, the pressing plate is arranged on the lifting mechanism, the front and back pressing mechanisms are arranged at the upper end of the support plate, the reciprocating lead screw is rotatably arranged at the right part of the support plate, and the driving device is used for driving the reciprocating lead screw to rotate; sliding mounting is in the right part of extension board around the slider, slider and reciprocal lead screw spiral shell dress, cutting knife fixed mounting is in the slider upper end, the upper end of cutting knife is located the extension board top, a platform is located the extension board right side, left and right mobile device installs on a platform, fixed frame is installed on left and right mobile device, first cylinder fixed mounting is in fixed frame upper end, sliding mounting is on fixed frame about the slide bar, the upper end and the output of first cylinder of slide bar are connected, sliding mounting is on fixed frame about the briquetting, briquetting fixed mounting is at the slide bar lower extreme, fixed plate fixed mounting is on fixed frame, the fixed plate is located the briquetting below, the height of fixed plate is unanimous with the height of extension board.

The plastic bag to be cut is placed at the upper end of a support plate, so that the position of the plastic bag to be cut is above a cutting knife, the front part and the rear part of the plastic bag are tightly pressed and fixed on the support plate through a front pressing mechanism and a rear pressing mechanism, then a pressing plate is driven to descend through a lifting mechanism, the left part of the plastic bag is tightly pressed and fixed on the support plate in the descending process of the pressing plate, then the right end of the plastic bag is placed at the upper end of a fixed plate, then a first air cylinder is opened, the first air cylinder drives a pressing block to descend through a sliding rod, so that the right end of the plastic bag is tightly pressed on the fixed plate, then a left-right moving device drives a fixed frame to move rightwards, the fixed frame drives the plastic bag to move rightwards through the fixed plate, until the plastic bag is tensioned, a driving device is opened to drive a reciprocating lead screw to rotate, a rotating reciprocating lead screw drives a sliding block to move forwards and backwards, the cutting knife drives the cutting knife to move backwards and forwards, and forwards to contact with the plastic bag in the front-back moving process, cutting the plastic bag in order; because plastics are compressed tightly fixedly by automatic in notched process, so it has avoided the manual work to press, has reduced intensity of labour, has improved work efficiency, has avoided the cutting knife to touch the staff simultaneously and has caused the incident, security and reliability height.

Preferably, the lifting mechanism comprises a second cylinder, a mandril and a movable plate, the second cylinder is fixedly arranged at the upper end of the support frame, the upper end of the mandril is connected with the output end of the second cylinder, the movable plate is fixedly arranged at the lower end of the mandril, and the pressing plate is fixedly arranged at the lower end of the movable plate; the second cylinder is opened, the second cylinder enables the movable plate to be provided with the pressing plate to descend through the ejector rod, and the pressing plate presses and fixes the plastic bag on the upper end of the support plate in the descending process, so that the plastic bag is conveniently pressed.

Preferably, the front and rear pressing mechanisms comprise a first screw rod, two groups of sliding plates, two groups of positioning plates, two groups of screw rods and a hand wheel; the first lead screw is rotatably arranged on the support plate, the front part and the rear part of the first lead screw are provided with external threads with opposite rotation directions, two groups of sliding plates are respectively screwed with the front part and the rear part of the first lead screw, the two groups of sliding plates are respectively slidably arranged on the support plate in the front and rear directions, two groups of positioning plates are respectively slidably arranged on the corresponding sliding plates in the up and down direction, two groups of screw rods are respectively screwed with the corresponding sliding plates, the lower ends of the two groups of screw rods are respectively rotatably arranged on the corresponding positioning plates, and the hand wheel is fixedly arranged at the front end of the first lead screw; rotatory hand wheel, the hand wheel drives first lead screw rotatory, rotatory first lead screw drives two sets of locating plates through two sets of sliding plates and is close to each other, two parts are located the below back of two sets of locating plates respectively around to the plastic bag, stop rotatory hand wheel, then rotatory two sets of screw rods, two sets of screw rods drive two sets of locating plates and descend, two parts compress tightly the in-process with the plastic bag of two sets of locating plates in the decline and fix on the extension board can, because the distance can be adjusted between two sets of locating plates, so it can compress tightly the plastic bag of fixed different width, the limitation is low, high durability and convenient use.

Preferably, the driving device comprises a first motor, a driving chain wheel, a driven chain wheel and a chain, the front end of the driving chain wheel is connected with the output end of the first motor, the driven chain wheel is fixedly arranged at the front end of the reciprocating screw rod, and the driven chain wheel is in transmission connection with the driving chain wheel through the chain; the first motor is started, the first motor drives the driven chain wheel to rotate through the driving chain wheel, and the driven chain wheel drives the reciprocating lead screw to rotate, so that the pair rotation is facilitated.

Preferably, the left-right moving device comprises three groups of fixed blocks, two slide rails, a second lead screw, a second motor and a support block which are sequentially arranged from front to back, the two slide rails, the second lead screw, the second motor and the support block are fixedly arranged at the upper end of the support platform, one slide rail is arranged between the group of fixed blocks at the front side and one slide rail is arranged between the group of fixed blocks at the rear side, the second lead screw is rotatably arranged between the group of fixed blocks at the middle part, the second motor is fixedly arranged at the upper end of the support platform, the output end of the second motor is connected with the right end of the second lead screw, the front end and the rear end of the support block are respectively arranged on the corresponding slide rails in a left-right sliding manner, the fixed frame is fixedly arranged at the upper end of the support block, and the middle part of the support block is in a screw fit with the second lead screw; and the second motor is started, the second motor drives the second lead screw to rotate, and the rotating second lead screw enables the fixed frame to move rightwards through the support block, so that the fixed frame is convenient to move leftwards and rightwards.

Preferably, a collecting box is arranged below the supporting plate and is positioned below the cutting knife; through the arrangement, the waste plastic bags cut off by the cutting knife automatically fall into the collecting box, so that the waste plastic bags are collected conveniently.

Preferably, the second motor is provided with a dust cover; through the arrangement, dust falling to the second motor from the outside is reduced, and the cleanness is improved.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, a plastic bag to be cut is placed at the upper end of a support plate, so that the position of the plastic bag to be cut is above a cutting knife, then the front and back parts of the plastic bag are tightly pressed and fixed on the support plate through a front and back pressing mechanism, then a pressure plate is driven to descend through a lifting mechanism, the left part of the plastic bag is tightly pressed and fixed on the support plate during descending of the pressure plate, then the right end of the plastic bag is placed at the upper end of a fixed plate, then a first air cylinder is opened, the first air cylinder drives a pressing block to descend through a sliding rod, so that the right end of the plastic bag is tightly pressed on the fixed plate, then a left and right moving device is used for driving a fixed frame to move rightwards, the fixed frame drives the plastic bag to move rightwards through the fixed plate until the plastic bag is tensioned, then a driving device is opened to drive a reciprocating lead screw to rotate, a rotating reciprocating lead screw drives a sliding block to move forwards and backwards, the sliding block drives the cutting knife to move forwards and backwards, and forwards the cutting knife is contacted with the plastic bag during front and back movement, cutting the plastic bag in order; because plastics are compressed tightly fixedly by automatic in notched process, so it has avoided the manual work to press, has reduced intensity of labour, has improved work efficiency, has avoided the cutting knife to touch the staff simultaneously and has caused the incident, security and reliability height.

Drawings

FIG. 1 is a schematic view of an axial measurement structure of the present invention;

fig. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is a schematic structural view of a supporting table, a fixing block, a fixing frame and the like.

In the drawings, the reference numbers: 1. a support; 2. a support plate; 3. supporting a frame; 4. pressing a plate; 5. a reciprocating screw; 6. a slider; 7. a cutting knife; 8. a support platform; 9. a fixing frame; 10. a first cylinder; 11. A slide bar; 12. briquetting; 13. a fixing plate; 14. a second cylinder; 15. a top rod; 16. moving the plate; 17. a first lead screw; 18. a sliding plate; 19. positioning a plate; 20. a screw; 21. a hand wheel; 22. a first motor; 23. a drive sprocket; 24. a driven sprocket; 25. a chain; 26. a fixed block; 27. a slide rail; 28. a second lead screw; 29. a second motor; 30. and (7) supporting the blocks.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In the embodiment of the utility model, a support plate 2 is fixedly arranged at the upper end of a bracket 1, a support frame 3 is fixedly arranged at the left part of the upper end of the support plate 2, a reciprocating screw 5 is rotatably arranged at the right part of the support plate 2, a driving device is used for driving the rotation of the reciprocating screw 5, a slide block 6 is arranged at the right part of the support plate 2 in a front-back sliding way, the slide block 6 is screwed with the reciprocating screw 5, a cutting knife 7 is fixedly arranged at the upper end of the slide block 6, the upper end of the cutting knife 7 is arranged above the support plate 2, a support platform 8 is arranged at the right side of the support plate 2, a first air cylinder 10 is fixedly arranged at the upper end of a fixed frame 9, a slide rod 11 is arranged on the fixed frame 9 in an up-down sliding way, the upper end of the slide rod 11 is connected with the output end of the first air cylinder 10, a press block 12 is arranged on the fixed frame 9 in an up-down sliding way, a press block 12 is fixedly arranged at the lower end of the slide rod 11, a fixed plate 13 is fixedly arranged on the fixed frame 9, a fixed plate 13 is arranged below the press block 12, the height of the fixed plate 13 is consistent with that of the support plate 2.

The second cylinder 14 is fixedly installed at the upper end of the supporting frame 3, the upper end of the ejector rod 15 is connected with the output end of the second cylinder 14, the moving plate 16 is fixedly installed at the lower end of the ejector rod 15, and the pressing plate 4 is fixedly installed at the lower end of the moving plate 16.

The first lead screw 17 is rotatably mounted on the support plate 2, the front portion and the rear portion of the first lead screw 17 are provided with external threads with opposite screwing directions, two groups of sliding plates 18 are respectively screwed with the front portion and the rear portion of the first lead screw 17, two groups of sliding plates 18 are both slidably mounted on the support plate 2 in the front and rear directions, two groups of positioning plates 19 are respectively slidably mounted on the corresponding sliding plates 18 in the up and down direction, two groups of screw rods 20 are respectively screwed with the corresponding sliding plates 18, the lower ends of the two groups of screw rods 20 are respectively rotatably mounted on the corresponding positioning plates 19, a hand wheel 21 is fixedly mounted at the front end of the first lead screw 17, the front end of a driving chain wheel 23 is connected with the output end of a first motor 22, a driven chain wheel 24 is fixedly mounted at the front end of the reciprocating lead screw 5, and the driven chain wheel 24 is in transmission connection with the driving chain wheel 23 through a chain 25.

Three equal fixed mounting of group fixed block 26 are in a platform 8 upper end, all install a slide rail 27 between a set of fixed block of front side and between a set of fixed block 26 of rear side, second lead screw 28 rotates and installs between a set of fixed block 26 at middle part, second motor 29 fixed mounting is in a platform 8 upper end, the output of second motor 29 is connected with second lead screw 28's right-hand member, both ends are left right slidable mounting respectively on the slide rail 27 that corresponds around a piece 30, fixed frame 9 fixed mounting is in a piece 30 upper end, the middle part and the second lead screw 28 spiral shell dress of a piece 30.

Placing a plastic bag to be cut on a support plate 2, placing a position to be cut on the plastic bag above a cutting knife 7, then rotating a hand wheel 21, wherein the hand wheel 21 drives a first lead screw 17 to rotate, the rotating first lead screw 17 drives two groups of positioning plates 19 to approach each other through two groups of sliding plates 18, and after the front part and the rear part of the plastic bag are respectively positioned below the two groups of positioning plates 19, stopping rotating the hand wheel 21, then rotating two groups of screw rods 20, the two groups of screw rods 20 drive the two groups of positioning plates 19 to descend, the two groups of positioning plates 19 press and fix the front part and the rear part of the plastic bag on the support plate 2 in the descending process, then opening a second air cylinder 14, enabling a moving plate 16 to drive a pressing plate 4 to descend through an ejector rod 15 by the second air cylinder 14, pressing and fixing the plastic bag on the upper end of the support plate 2 in the descending process by the pressing plate 4, then placing the right end of the plastic bag on the upper end of a fixing plate 13, and then opening the first air cylinder 10, the first cylinder 10 drives the pressing block 12 to descend through the sliding rod 11, so that the right end of the plastic bag is pressed on the fixing plate 13, then the second motor 29 is turned on, the second motor 29 drives the second lead screw 28 to rotate, the rotating second lead screw 28 drives the fixing frame 9 to move rightwards through the supporting block 30, the fixing frame 9 drives the plastic bag to move rightwards through the fixing plate 13 until the plastic bag is tensioned, then the first motor 22 is turned on, the first motor 22 drives the chain 25 to drive the driven chain wheel 24 and the reciprocating lead screw 5 to rotate through the driving chain wheel 23, the rotating reciprocating lead screw 5 drives the sliding block 6 to move forwards and backwards, the sliding block 6 drives the cutting knife 7 to move forwards and backwards, the cutting knife 7 is in contact with the plastic bag in the process of moving forwards and backwards, and the plastic bag is cut in order; because plastics are compressed tightly fixedly by automatic in notched process, so it has avoided the manual work to press, has reduced intensity of labour, has improved work efficiency, has avoided cutting knife 7 to touch the staff simultaneously and has caused the incident, security and reliability height.

As shown in fig. 1 to 4, in the operation of the flat opening machine for processing food grade environmental protection plastic bags of the present invention, a plastic bag to be cut is firstly placed on a support plate 2, so as to be cut above a position cutting knife 7 on the plastic bag, then a hand wheel 21 is rotated, the hand wheel 21 drives a first lead screw 17 to rotate, the first lead screw 17 rotates to drive two sets of positioning plates 19 to approach each other through two sets of sliding plates 18, the hand wheel 21 stops rotating after the front and rear parts of the plastic bag are respectively located below the two sets of positioning plates 19, then the two sets of screw rods 20 rotate, the two sets of screw rods 20 drive the two sets of positioning plates 19 to descend, the two sets of positioning plates 19 compress and fix the front and rear parts of the plastic bag on the support plate 2 in the descending process, then a second cylinder 14 is opened, the second cylinder 14 drives a moving plate 16 to drive a pressing plate 4 to descend through a mandril 15, the pressing plate 4 compresses and fixes the plastic bag on the support plate 2 in the descending process, then, the right end of the plastic bag is placed at the upper end of a fixing plate 13, then a first air cylinder 10 is opened, the first air cylinder 10 drives a pressing block 12 to descend through a sliding rod 11, the right end of the plastic bag is pressed on the fixing plate 13, then a second motor 29 is opened, the second motor 29 drives a second lead screw 28 to rotate, the rotating second lead screw 28 drives a fixing frame 9 to move rightwards through a supporting block 30, the fixing frame 9 drives the plastic bag to move rightwards through the fixing plate 13 until the plastic bag is tensioned, then the first motor 22 is opened, the first motor 22 drives a driven chain wheel 24 and a reciprocating lead screw 5 to rotate through a driving chain wheel 23, the rotating reciprocating lead screw 5 drives a sliding block 6 to move back and forth, the sliding block 6 drives a cutting knife 7 to move back and forth, the cutting knife 7 is in contact with the plastic bag in the back and forth movement process, and the plastic bag is cut neatly.

The utility model discloses a flat mouth machine for processing food grade environment-friendly plastic bags, the installation mode, the connection mode or the setting mode of the flat mouth machine are common mechanical modes, and the flat mouth machine can be implemented as long as the beneficial effects can be achieved; the utility model discloses a food level environmental protection plastic bag processing is with reciprocal lead screw 5, cutting knife 7, first cylinder 10, screw rod 20, hand wheel 21, driving sprocket 23, slide rail 27 and second motor 29 of flat head machine are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A flat opening machine for processing food-grade environment-friendly plastic bags is characterized by comprising a support (1), a support plate (2), a support frame (3), a pressing plate (4), a reciprocating screw rod (5), a sliding block (6), a cutting knife (7), a support table (8), a fixing frame (9), a first air cylinder (10), a sliding rod (11), a pressing block (12), a fixing plate (13), a lifting mechanism, a front and back pressing mechanism, a driving device and a left and right moving device;

the support plate (2) is fixedly arranged at the upper end of the support (1), the support frame (3) is fixedly arranged at the left part of the upper end of the support plate (2), the lifting mechanism is arranged on the support frame (3), the pressing plate (4) is arranged on the lifting mechanism, the front and rear pressing mechanisms are arranged at the upper end of the support plate (2), the reciprocating lead screw (5) is rotatably arranged at the right part of the support plate (2), and the driving device is used for driving the reciprocating lead screw (5) to rotate;

a sliding block (6) is arranged at the right part of a support plate (2) in a front-back sliding manner, the sliding block (6) is screwed with a reciprocating screw rod (5), a cutting knife (7) is fixedly arranged at the upper end of the sliding block (6), the upper end of the cutting knife (7) is arranged above the support plate (2), a support platform (8) is arranged at the right side of the support plate (2), a left-right moving device is arranged on the support platform (8), a fixed frame (9) is arranged on the left-right moving device, a first air cylinder (10) is fixedly arranged at the upper end of the fixed frame (9), a sliding rod (11) is vertically slidably arranged on the fixed frame (9), the upper end of the sliding rod (11) is connected with the output end of the first air cylinder (10), a pressing block (12) is vertically slidably arranged on the fixed frame (9), the pressing block (12) is fixedly arranged at the lower end of the sliding rod (11), a fixed plate (13) is fixedly arranged on the fixed frame (9), the fixed plate (13) is arranged below the pressing block (12), the height of the fixing plate (13) is consistent with that of the support plate (2).

2. The flat-mouth machine for processing the food-grade environment-friendly plastic bag according to claim 1, wherein the lifting mechanism comprises a second cylinder (14), a push rod (15) and a moving plate (16), the second cylinder (14) is fixedly installed at the upper end of the support frame (3), the upper end of the push rod (15) is connected with the output end of the second cylinder (14), the moving plate (16) is fixedly installed at the lower end of the push rod (15), and the pressing plate (4) is fixedly installed at the lower end of the moving plate (16).

3. The flat-top machine for processing the food-grade environment-friendly plastic bags according to claim 1, wherein the front and back pressing mechanisms comprise a first lead screw (17), two sets of sliding plates (18), two sets of positioning plates (19), two sets of screw rods (20) and a hand wheel (21); the first lead screw (17) is rotatably installed on the support plate (2), the front portion and the rear portion of the first lead screw (17) are provided with external threads with opposite screwing directions, the two groups of sliding plates (18) are respectively in threaded installation with the front portion and the rear portion of the first lead screw (17), the two groups of sliding plates (18) are respectively in sliding installation on the support plate (2) in the front and rear directions, the two groups of positioning plates (19) are respectively in sliding installation on the corresponding sliding plates (18) in the up-and-down direction, the two groups of screw rods (20) are respectively in threaded installation with the two groups of sliding plates (18), the lower ends of the two groups of screw rods (20) are respectively rotatably installed on the corresponding positioning plates (19), and the hand wheel (21) is fixedly installed at the front end of the first lead screw (17).

4. The flat mouth machine for processing the food grade environment-friendly plastic bag according to claim 1, wherein the driving device comprises a first motor (22), a driving chain wheel (23), a driven chain wheel (24) and a chain (25), the front end of the driving chain wheel (23) is connected with the output end of the first motor (22), the driven chain wheel (24) is fixedly arranged at the front end of the reciprocating screw rod (5), and the driven chain wheel (24) is in transmission connection with the driving chain wheel (23) through the chain (25).

5. The flat mouth machine for processing the food grade environment-friendly plastic bag according to claim 1, wherein the left-right moving device comprises three groups of fixed blocks (26), two sliding rails (27), a second screw rod (28), a second motor (29) and a supporting block (30) which are arranged in sequence from front to back; three equal fixed mounting of group fixed block (26) are in a platform (8) upper end, all install a slide rail (27) between a set of fixed block of front side and between a set of fixed block (26) of rear side, second lead screw (28) rotate and install between a set of fixed block (26) at middle part, second motor (29) fixed mounting is in a platform (8) upper end, the output of second motor (29) is connected with the right-hand member of second lead screw (28), the front and back both ends of a piece (30) are left right slidable mounting respectively on slide rail (27) that correspond, fixed frame (9) fixed mounting is in a piece (30) upper end, the middle part and second lead screw (28) spiral shell dress of a piece (30).

6. The flat-mouth machine for processing the food-grade environment-friendly plastic bag as claimed in claim 1, wherein a collection box is arranged below the support plate (2), and the collection box is positioned below the cutting knife (7).

7. The flatting machine for processing the food-grade environment-friendly plastic bag as claimed in claim 5, wherein the second motor (29) is provided with a dustproof cover.

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