A pressing device for rice bag hand buckle

Abstract

A pressing device for a hand buckle of a rice bag belongs to the technical field of installing a hand buckle on a rice bag, solves the problems existing in the installation of the hand buckle in the prior art, comprises a hand buckle hanger and a pressing roller, the hand buckle hanger comprises a bottom plate and a hanging column arranged on the bottom plate, the hanging column can be processed according to the inner contour shape of the installed hand buckle; the hand buckle bottom plate, the bag, and the hand buckle cover plate are hung on the hanging column in sequence, and then pressed together by a pressing roller, the pressing roller is provided with a groove matched with the hanging column, and the hanging column extends into the groove during pressing; for the convenience of operation, the hand buckle hanger is arranged on a platform, a transmission chain is arranged below the hand buckle hanger, the hand buckle hanger is fixedly connected to a link of the transmission chain, so that the hand buckle hanger slides on the platform under the drive of the transmission chain, a notch corresponding to the transmission chain is arranged on the platform, and the pressing roller is arranged above the transmission chain; the present invention is used for pressing the hand buckle of a rice bag.

Description

Technical Field

[0001] The invention belongs to the technical field of installing hand buckles on rice bags, and particularly relates to a pressing device for the hand buckles of rice bags. Background Art

[0002] At present, hand buckles are provided on packaging bags such as small-sized rice bags, so that people can carry the bags with one hand. The prior art generally uses a rubber hammer to manually hit the hand buckle on the rice bag, which is not only inefficient but also easy to hit the hand, so improvement is needed. Summary of the invention

[0003] The purpose of the present invention is to solve the above problems existing in the prior art of installing hand buckles, and to provide a pressing device for rice bag hand buckles, and the technical solution is as follows:

[0004] A pressing device for a rice bag hand buckle comprises a hand buckle material hanger and a pressing roller. The hand buckle material hanger comprises a bottom plate and a material hanging column arranged on the bottom plate. The material hanging column can be processed according to the inner contour shape of the installed hand buckle. In order to hang the material smoothly, the material hanging column and the hand buckle are matched with each other in clearance. The hand buckle bottom plate, the bag and the hand buckle cover plate are hung on the material hanging column in sequence, and then pressed by the pressing roller. The hand buckle and the bag are positioned by the material hanging column to avoid hitting the hand. The pressure is more uniform than that of a rubber hammer, and the pressing effect is better. A groove matching the material hanging column is arranged on the pressing roller, and the material hanging column extends into the groove during pressing. In order to facilitate operation, the hand buckle material hanger is arranged on a platform, and a There is a transmission chain, and the hand buckle hanger is fixedly connected to a link of the transmission chain, so that the hand buckle hanger slides on the platform driven by the transmission chain, and a notch corresponding to the transmission chain is arranged on the platform, and a pressure roller is arranged above the transmission chain. After the hand buckle base film, bag and hand buckle cover film are hung on the hanging column in sequence, the transmission chain is rotated manually or by a motor, so that the hand buckle hanger passes under the pressure roller, and the pressure roller is rotated manually or by a motor to press the hand buckle and the bag together. The distance between the pressure roller and the platform can be determined according to the thickness of the buckle and the bag and the best setting distance can be obtained by combining experiments. The motor-driven rotation and the control of the rotation speed are easy to achieve according to the existing technology and will not be elaborated herein.

[0005] The beneficial effects of the present invention are as follows: the pressing effect by rolling with a pressing roller is good, hitting the hands can be avoided, and automated production can be easily realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 It is a schematic diagram of the hand buckle bottom sheet, bag, and hand buckle cover sheet being hung on the hanging column in sequence;

[0007] Figure 2 It is a schematic diagram of the structure of the pressure roller;

[0008] Figure 3This is a schematic diagram of the state of the pressure roller pressing the hand buckle;

[0009] Figure 4 It is a schematic diagram of the structure in which the hand hook hanger and the pressure roller are arranged on the platform;

[0010] Figure 5 It is a schematic diagram of the fixed connection between the hand hook hanger and a link of the transmission chain;

[0011] Figure 6 It is a structural schematic diagram of a hand buckle feeding device;

[0012] Figure 7 It is a schematic diagram of the state of the hand buckle film being hung by the hand buckle hanger during the movement;

[0013] Figure 8 It is a schematic diagram of the state in which a lever is provided on the transmission chain to move the bag;

[0014] Fig. 9 It is a schematic diagram of the connection between the lever for moving the bag and the transmission chain;

[0015] Fig.10 is a schematic diagram of a bag conveying device arranged on a platform;

[0016] Fig.11 yes Fig.10 Exploded diagram of

[0017] Fig.12 is a schematic diagram of a state in which a bag conveying device conveys a bag;

[0018] Fig.13 It is a schematic diagram of the bag conveying device and the hand buckle hanger cooperating to hang the bag;

[0019] Fig.14 It is a schematic diagram of the structure of the bag single piece giving device;

[0020] Fig.15 yes Fig.14 Exploded diagram of

[0021] Fig.16 It is a schematic diagram of the working principle of the bag single piece giving device;

[0022] Fig.17 is a schematic diagram of a pre-pressing roller;

[0023] Fig.18 It is a state diagram of combining the bag and the hand buckle bottom film by using two pairs of pressure strips;

[0024] Fig.19 It is a schematic diagram that a hand buckle feeding device, a bag feeding device, a pre-pressing device, a hand buckle feeding device and a pressing roller are sequentially arranged on a platform. DETAILED DESCRIPTION

[0025] Reference Figures 1 to 19 , a pressing device for a rice bag hand buckle, comprising a hand buckle material hanger 1 and a pressing roller 2, the hand buckle material hanger 1 comprising a bottom plate 1-1 and a hanging column 1-2 arranged on the bottom plate 1-1, the hanging column 1-2 can be processed according to the inner contour shape of the installed hand buckle, in order to hang the material smoothly, the hanging column 1-2 and the hand buckle gap match; the hand buckle bottom plate, the bag, and the hand buckle cover plate are hung on the hanging column 1-2 in sequence, and then pressed by the pressing roller 2, the hand buckle and the bag are positioned by the hanging column 1-2, which can avoid hitting the hand, and the rolling by the pressing roller 2 has a more uniform pressure than the rubber hammer, and the pressing effect is better, a groove matching the hanging column 1-2 is arranged on the pressing roller 2, and the hanging column 1-2 extends into the groove during pressing; in order to facilitate operation, the hand buckle material hanger 1 is arranged on a platform 3, A transmission chain 4 is arranged below the buckle hanger 1, and the hand buckle hanger 1 is fixedly connected to a link of the transmission chain 4, so that the hand buckle hanger 1 slides on the platform 3 under the drive of the transmission chain 4, and a notch corresponding to the transmission chain 4 is arranged on the platform 3, and the pressure roller 2 is arranged above the transmission chain 4. After the hand buckle base film, bag, and hand buckle cover film are hung on the hanging column 1-2 in sequence, the transmission chain 4 is driven manually or by a motor to rotate, so that the hand buckle hanger 1 passes under the pressure roller 2, and the pressure roller 2 is driven manually or by a motor to rotate to press the hand buckle and the bag together. The distance between the pressure roller 2 and the platform 3 can be obtained according to the thickness of the buckle and the bag and the optimal setting distance obtained in combination with the experiment. The motor-driven rotation and the control of the rotation speed are very easy to achieve according to the existing technology and will not be elaborated herein.

[0026] The present invention may further include a hand buckle feeding device 5 and a bag feeding device 6 .

[0027] The hand buckle feeding device 5 comprises a hand buckle single-row stacking container 5-1 and a push plate 5-2. The hand buckle single-row stacking container 5-1 is a container that can vertically place a row of hand buckle bottom films or hand buckle cover films. It comprises a circumferential enclosure and a container bottom. The lower end of the circumferential enclosure is fixedly connected to the container bottom, and a single hand buckle outlet is provided at the bottom of the circumferential enclosure. The single hand buckle outlet is an outlet that can only slide out one hand buckle bottom film or hand buckle cover film, and two hand buckle bottom films or hand buckle cover films cannot slide out at the same time. The outlet height only needs to be less than the thickness of the two hand buckle bottom films or hand buckle cover films, and the circumferential enclosure is fixedly connected to the container bottom. An entrance of a push plate 5-2 is arranged on the opposite side of the enclosure to the single hand buckle exit, and the push plate 5-2 is arranged corresponding to the entrance of the push plate 5-2, and the hand buckle bottom film or the hand buckle cover film can be pushed out one by one through the push plate 5-2; two hand buckle feeding devices 5 are arranged above the moving track of the hand buckle hanger 1, and among the two hand buckle feeding devices 5, the hand buckle feeding device 5 located upstream of the moving track of the hand buckle hanger 1 is used to supply the hand buckle bottom film, and the hand buckle feeding device 5 located downstream of the moving track of the hand buckle hanger 1 is used to supply the hand buckle cover film. The hand buckle hanger 1 is first Move to the bottom of a hand buckle feeding device 5, hang the hand buckle bottom film, then hang the bag, then move to the bottom of another hand buckle feeding device 5, hang the hand buckle cover film, and then move to the bottom of the pressing roller 2 for pressing; after pressing, it falls into the collecting device; the hand buckle feeding device 5 is tilted, and the end of the material discharge is lower, so that the hand buckle bottom film or cover film forms an angle with the hanging column 1-2 of the hand buckle hanger 1, and the hand buckle hanger 1 can hang the hand buckle bottom film or hand buckle cover film and take it away during the movement; the hand buckle feeding device 5 is fixed on the platform 3 or an independent bracket is set All are possible and will not be elaborated on herein; preferably, the push plate 5-2 is driven by an automatic telescopic component such as a cylinder 5-3, so that automated production can be realized. The automatic telescopic component drives the push plate 5-2 to reciprocate and telescope, which is very easy to realize according to the prior art and will not be elaborated on herein; a hand buckle slide 5-4 is provided on one side of the single hand buckle outlet of the hand buckle feeding device 5 to prevent the hand buckle from running off track; when the hand buckle slide 5-4 is relatively long, in order to prevent multiple hand buckle bottom films or hand buckle cover films from arching due to squeezing in the hand buckle slide 5-4, a hand buckle pressure plate 5-5 is provided on the hand buckle slide 5-4.

[0028] In order to make the bags hung on the hanging column 1-2 move more smoothly, two sets of transmission chains 4 are arranged on the platform 3, and a lever 4-1 for moving the bags is arranged on each set of transmission chains 4, and the distance between the lever 4-1 and the hanging column 1-2 can be set according to the width of the processed bags; in the case where a hand buckle feeding device 5 is provided, the lever 4-1 is arranged next to the hand buckle feeding device 5 to prevent the hand buckle feeding device 5 from interfering with the movement of the lever 4-1, and the lever 4-1 can be connected to the transmission chain 4 through a horizontal support arm;

[0029] Preferably, the upper end of the hand buckle single-row stacking container 5-1 is open and is configured as a filling port for loading the hand buckle bottom film or the hand buckle cover film. The hand buckle bottom film or the hand buckle cover film can be loaded during the operation of the hand buckle feeding device 5 to achieve uninterrupted feeding and uninterrupted operation.

[0030] The bag feeding device 6 comprises a bag conveying device 6-1 and a bag single piece dispensing device 6-2;

[0031] The bag conveying device 6-1 includes a support plate 6-1-1 and a conveyor belt 6-1-2 arranged on the upper surface of the support plate 6-1-1. Since the bags are relatively light, the conveyor belt 6-1-2 can be a wider one or at least two narrower ones; the driving shaft and the driven shaft of the conveyor belt 6-1-2 can be connected to the support plate 6-1-1 or to the platform 3, and the control of the rotation speed of the driving shaft is also very easy to achieve according to the existing technology and is not described in detail; the bag conveying device 6-1 is arranged above the platform 3, and the bags are conveyed to the platform 3 by the bag conveying device 6-1 and then taken away by the hand buckle hanger 1. Notches corresponding to the hanging column 1-2 and the lever 4-1 are arranged on the support plate 6-1-1, and lateral limit plates are also arranged on the support plate 6-1-1 to prevent the bags from running off the track; the bag conveying device 6-1 is arranged at an angle so that the bags are tilted before they fall completely onto the platform 3, so that the hand buckle hanger 1 The bag passes under the bag and is hung on the hand-buckle hanger 1; the conveyor belt 6-1-2 can be controlled to stop before the bag completely falls on the platform 3, and then run again after the bag is hung on the hand-buckle hanger 1, or a telescopic rod 6-1-3 is set on the platform 3 to block the bag. Since the bag is light in weight and has little friction with the conveyor belt 6-1-2, the bag and the conveyor belt 6-1-2 slip after being blocked, so that the bag does not completely fall on the platform 3 without controlling the conveyor belt 6-1-2 to stop; the extension and retraction of the telescopic rod 6-1-3 can be easily achieved according to the control according to the existing technology, for example, the cylinder 5-3 is used to drive the telescopic rod 6-1-3 to extend and retract on the lower side of the platform 3, etc., which will not be described in detail; the telescopic rod 6-1-3 can be retracted after the hand-buckle hanger 1 is in place; since the bag is very light, the bag conveying device 6-1 has a small load-bearing capacity, so the bag conveying device 6-1 can be very light and thin;

[0032] Since the bag is light in weight, in order to improve the conveying effect of the bag conveying device 6-1, a pressure wheel 6-1-4 is provided above the conveyor belt 6-1-2 of the bag conveying device 6-1 to increase the friction between the bag and the conveyor belt 6-1-2.

[0033] The bag single piece giving device 6-2 comprises a vacuum adsorption conveyor belt 6-2-1 and a gate 6-2-2. The vacuum adsorption conveyor belt 6-2-1 is provided with a vacuum box 621-2 inside the conveyor belt 621-1 with holes. The exhaust hole of the vacuum box 621-2 is connected to the air pump to realize vacuuming. The air inlet of the vacuum box 621-2 is arranged corresponding to the discharge end of the conveyor belt 621-1 with holes. When a stack of bags is placed on the vacuum adsorption conveyor belt 6-2-1, only the bag at the bottom will be adsorbed by the vacuum adsorption conveyor belt 6-2-1 and move with the conveyor belt 621-1 with holes. Since the air inlet of the vacuum box 621-2 corresponds to the discharge end of the conveyor belt 621-1 with holes, the bag will be sucked by the vacuum adsorption conveyor belt 6-2-1 and move with the conveyor belt 621-1 with holes. The material end is arranged, and the vacuum adsorption conveyor belt 6-2-1 adsorbs a part of the lowermost bag. The next bag will be adsorbed only after the lowermost bag passes through the air inlet of the vacuum box 621-2; a gate 6-2-2 is arranged above the vacuum adsorption conveyor belt 6-2-1, and the opening and closing size of the gate 6-2-2 can be controlled to ensure that only one bag can pass through, thereby realizing the single-piece delivery of bags; the single-piece bag delivery device 6-2 is arranged on the feeding side of the bag conveying device 6-1, and the bags are placed one by one on the bag conveying device 6-1; the single-piece bag delivery device 6-2 can be connected to the platform 3 or an independent bracket can be arranged, which will not be elaborated. Preferably, a bag twisting roller 6-2-3 is also provided above the vacuum adsorption conveyor belt 6-2-1. The bag twisting roller 6-2-3 is provided on the side of the gate 6-2-2 close to the feeding end of the vacuum adsorption conveyor belt 6-2-1. The stacked bags are twisted open before passing through the gate 6-2-2, which is more conducive to single-piece feeding. The rotation direction of the bag twisting roller 6-2-3 is the same as that of the perforated conveyor belt 621-1. The bottom of the bag twisting roller 6-2-3 cooperates with the perforated conveyor belt 621-1 to twist the stacked bags open. The distance between the bag twisting roller 6-2-3 and the perforated conveyor belt 621-1 is not less than the thickness of one bag. Preferably, lateral limit plates are also provided on both sides of the vacuum adsorption conveyor belt 6-2-1.

[0034] After the hand buckle film and the bag are hung on the hand buckle hanger 1, a pre-pressing device is provided on the moving path of the hand buckle hanger 1 to make the bag and the hand buckle film well combined. The pre-pressing device can use a pre-pressing roller 7. The pre-pressing roller 7 is provided with pits corresponding to the plugs on the hand buckle film around the groove of the pressing roller 2. The existing hand buckle film generally has six plugs, that is, six pits; the pre-pressing roller 7 can be used to roll the bag and the hand buckle film together; the pre-pressing device can also use two pairs of pressure strips 8, which are respectively provided on both sides of the hanging column 1-2, and the span and position of each pair of pressure strips 8 can be set according to the size and position of the plugs on the hand buckle film. The two pre-pressing devices can be used either or both.

[0035] On the platform 3, a hand buckle feeding device 5, a bag feeding device 6, a pre-pressing device, a hand buckle feeding device 5, and a pressing roller 2 are sequentially arranged. Combined with the existing automatic control technology, the fully automatic pressing of the rice bag hand buckle can be realized. The automatic control includes controlling the rotation of the conveyor belt 6-1-2, the extension and contraction of the cylinder 5-3, and the vacuum suction of the air pump, which are all easily realized according to the existing technology and are not described in detail.

Claims

1. A pressing device for rice bag buckle, characterized in that The pressing device comprises a hand-clip hanger (1) and a pressing roller (2), wherein the hand-clip hanger (1) comprises a bottom plate (1-1) and a hanging column (1-2) arranged on the bottom plate (1-1); a groove matching the hanging column (1-2) is arranged on the pressing roller (2); the hand-clip hanger (1) is arranged on a platform (3), a transmission chain (4) is arranged below the hand-clip hanger (1), the hand-clip hanger (1) is fixedly connected to a link of the transmission chain (4), a notch corresponding to the transmission chain (4) is arranged on the platform (3), and the pressing roller (2) is arranged above the transmission chain (4); a pre-pressing device is arranged on the moving path of the hand-clip hanger (1), the pre-pressing device adopts a pre-pressing roller (7) or two pairs of pressing strips (8), and the bag and the hand-clip bottom film are combined by rolling with the pre-pressing roller (7).

2. A pressing device for a rice bag buckle as claimed in claim 1, characterized in that Two groups of transmission chains (4) are arranged on the platform (3), and each group of transmission chains (4) is provided with a lever (4-1) for moving the bag.

3. A pressing device for a rice bag buckle as claimed in claim 1 or 2, characterized in that The pressing device also includes a hand-clip feeding device (5); the hand-clip feeding device (5) includes a hand-clip single-row stacking container (5-1) and a push plate (5-2); the hand-clip single-row stacking container (5-1) includes a circumferential enclosure and a container bottom; the lower end of the circumferential enclosure is fixedly connected to the container bottom; a single-hand-clip outlet is provided at the bottom of the circumferential enclosure; an inlet of the push plate (5-2) is provided on the side of the circumferential enclosure opposite to the single-hand-clip outlet; the push plate (5-2) is provided corresponding to the inlet of the push plate (5-2); two hand-clip feeding devices (5) are provided above the moving track of the hand-clip hanger (1); the hand-clip feeding device (5) is arranged obliquely, and the discharge end is lower.

4. A pressing device for a rice bag buckle as claimed in claim 3, characterized in that The push plate (5-2) is driven by a cylinder (5-3); a hand buckle slideway (5-4) is arranged on one side of a single hand buckle outlet of the hand buckle feeding device (5); and a hand buckle pressing plate (5-5) is arranged on the hand buckle slideway (5-4).

5. A pressing device for a rice bag buckle as claimed in claim 3, characterized in that The upper end of the hand-clasp single-row stacked container (5-1) is open and is arranged as a filling port.

6. A pressing device for rice bag buckle as claimed in claim 1 or 2, characterized in that The pressing device further comprises a bag feeding device (6); the bag feeding device (6) comprises a bag conveying device and a bag single piece dispensing device; the bag conveying device comprises a support plate (6-1-1) and a conveyor belt (6-1-2), and the conveyor belt (6-1-2) is arranged on the upper surface of the support plate (6-1-1); the bag conveying device is arranged above the platform (3), and a lateral limiting plate is also arranged on the support plate (6-1-1); the bag conveying device is arranged obliquely; The single-piece bag dispensing device comprises a vacuum adsorption conveyor belt (6-2-1) and a gate (6-2-2); the vacuum adsorption conveyor belt (6-2-1) is provided with a vacuum box (621-2) inside a perforated conveyor belt (621-1); the exhaust hole of the vacuum box (621-2) is connected to an air pump; the air inlet of the vacuum box (621-2) is provided corresponding to the discharge end of the perforated conveyor belt (621-1); a gate (6-2-2) is provided above the vacuum adsorption conveyor belt (6-2-1); and the single-piece bag dispensing device is provided on the feeding side of the bag conveying device.

7. A pressing device for a rice bag buckle as claimed in claim 6, characterized in that A telescopic rod (6-1-3) for blocking the bag is arranged on the platform (3).

8. A pressing device for a rice bag buckle as claimed in claim 7, characterized in that A bag twisting roller (6-2-3) is also arranged above the vacuum adsorption conveyor belt (6-2-1), and the bag twisting roller (6-2-3) is arranged on the side of the gate (6-2-2) close to the feeding end of the vacuum adsorption conveyor belt (6-2-1); a pressure wheel (6-1-4) is arranged above the conveyor belt (6-1-2) of the bag conveying device.

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