Bag taking and opening module

Abstract

The utility model discloses a bag taking and opening module, which relates to the technical field of food packaging, and mainly comprises a bag taking assembly, a bag opening assembly and a bag opening assembly, the bag taking assembly is composed of a paper bag bin, a roller, a roller motor guide rail, a pickup roller and a pickup roller motor; the bag opening assembly is composed of a suction cup and a direct-acting guide mechanism, the direct-acting guide mechanism comprises a large-lead screw, a direct-acting guide sliding block and a direct-acting guide motor, the direct-acting guide sliding block is connected with the direct-acting guide motor through the large-lead screw, and the other end of the sliding block is connected with the suction cup; the bag opening assembly is composed of a multi-point position sliding block mechanism, a rocker arm, a bag opening box body, a bag opening motor, a gear rack, a bag opening rod, a rocker arm motor and the like. A paper bag taken out through the bag taking assembly is opened under the action of a suction cup of the bag opening assembly and a direct-acting guide mechanism, a bag opening rod of the bag opening assembly stretches into the paper bag and is driven by a gear and a rack to open the paper bag for forming, the bag opening device can adapt to different paper bags to complete bag opening operation, the production efficiency is improved, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to food packaging technical field, concretely is a kind of bag taking and opening module. BACKGROUND

[0002] With the increasing attention of consumers to food quality and safety, food production enterprises pay more and more attention to improving production efficiency, reducing production cost, and ensuring product safety. The traditional food packaging method is to open the bag opening of the packaging bag by artificial, and then the food is loaded into the packaging bag. Artificial opening bag needs to consume a lot of manpower and time, and the work efficiency is low, the production cost is high, and the artificial bag taking is easy to contaminate the packaging bag, which can easily cause product hygiene problems. Therefore, designing an automatic food packaging bag taking and opening assembly line is of great significance to the development of food industry.

[0003] The bag opening machine with the publication number CN208530943U improves the efficiency of bag opening, but it cannot fix the shape of the paper bag after being opened. SUMMARY

[0004] The utility model aims at solving the above-mentioned problems and provides a kind of bag taking and opening module.

[0005] The utility model realizes the above-mentioned purpose by the following technical scheme: a kind of bag taking and opening module, comprising

[0006] The bag taking assembly is composed of a paper bag bin, a guide rail, a paper rubbing wheel, a roller, a paper rubbing wheel motor, a roller motor, the rear side opening of the paper bag bin is used for paper bag filling, the lower rear side opening, the front side is connected with the guide rail exceeding the edge of paper bag 1~3 cm, to ensure the effectiveness and stability of transmission, four groups of roller motors and rollers are arranged at equal intervals on both sides of the guide rail, to improve the pressure and friction of the edges of both sides of the paper bag; the paper rubbing wheel is arranged below the opening position of the bin by shaft and paper rubbing wheel motor, and a plurality of bosses for improving friction are arranged on the circumference of the paper rubbing wheel.

[0007] The bag opening assembly is composed of a suction cup and a direct-acting guide mechanism, the direct-acting guide mechanism includes a large lead screw, a direct-acting guide motor and a direct-acting guide slider, the direct-acting guide slider is connected with the direct-acting guide motor through the large lead screw, and the other end of the slider is connected with the suction cup, the suction force of the suction cup is provided by a vacuum pump.

[0008] The bag supporting assembly is composed of a multi-point position sliding block mechanism, a rocker arm, a bag supporting base, a bag supporting box body, a bag supporting box cover, a bag supporting motor, a gear and a rack, and a bag supporting rod, the multi-point position sliding block mechanism can move forward and backward in the sliding rail and stop at a specified position, the bag supporting base is fixed on the multi-point position sliding block mechanism and can move forward and backward with the sliding block, the rocker arm is connected with the bag supporting box body through the bag supporting motor, and the swing of the bag supporting box body is completed through the rotation of the bag supporting motor, the bag supporting motor controls the rotation of the gear, the rack is matched with the gear, and the bag supporting rod is arranged above the rack.

[0009] Further, the running track of the gear and the rack is calculated through numerical control technology, the internal structure of the box body is changed by a computer, the corresponding box cover is changed according to the calculation result, and thus the bag supporting task of paper bags of different sizes is completed.

[0010] Further, the paper bag is guided to the guide rails with a width of 1-3cm beyond the edges of the paper bag, the herringbone supporting plates are arranged between the guide rails to prevent the paper bag from deforming and sinking.

[0011] Further, the bag supporting rod is dispersed from the initial gathering state to the four directions under the driving of the gear, the bag supporting action is completed when the size requirement of the bag supporting is reached, then the bag supporting motor is reversed to drive the gear to reverse, so that the bag supporting rod is gathered from the dispersed state to the middle, and the bag supporting motor stops rotating after the bag supporting rod returns to the initial state, and the next bag supporting action is prepared.

[0012] The bag opening module can adapt to different long, wide and high paper bags to complete the bag opening operation, improve the production efficiency and reduce the labor cost, the closed operation is adopted, the human contact is reduced, the risk of food pollution is effectively reduced, and the safety of the food is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a kind of bag taking opening bag module overall axonometric structure schematic diagram;

[0014] Figure 2 It is a kind of bag taking opening bag module after removing sheet metal shell axonometric structure schematic diagram;

[0015] Figure 3 It is a kind of bag taking opening bag module bag taking assembly structure schematic diagram;

[0016] Figure 4 It is a kind of bag taking opening bag module opening bag assembly structure schematic diagram;

[0017] Figure 5 It is a kind of bag taking opening bag module bag supporting assembly structure schematic diagram;

[0018] Figure 6 It is a kind of bag taking bag opening module bag supporting assembly box internal structure schematic view.

[0019] Reference signs: 1, sheet metal shell; 2, V-shaped conveying belt; 3, bag taking assembly; 4, bag opening assembly; 5, bag supporting assembly; 3-1, paper bag warehouse; 3-2, roller; 3-3, roller motor; 3-4, guide rail; 3-5, paper rubbing wheel; 3-6, paper rubbing wheel motor; 4-1, suction cup; 4-2, large lead screw;

[0020] 4-3, direct guide slider; 4-4, direct guide motor; 5-1, bag supporting box cover; 5-2, bag supporting box; 5-3, rocker arm; 5-4, bag supporting motor; 5-5, rocker arm motor; 5-6, bag supporting machine base; 5-7, multi-point position slider mechanism; 5-8, bag supporting rod; 5-9, rack; 5-10, gear. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, but not as a limitation to the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Embodiment one

[0023] Reference signs: 1, sheet metal shell; 2, V-shaped conveying belt; 3, bag taking assembly; 4, bag opening assembly; 5, bag supporting assembly; 3-1, paper bag warehouse; 3-2, roller; 3-3, roller motor; 3-4, guide rail; 3-5, paper rubbing wheel; 3-6, paper rubbing wheel motor; 4-1, suction cup; 4-2, large lead screw; Figure 1 to the drawings Figure 6As shown, a bag taking and opening module mainly includes four parts, a bag taking assembly (3), a bag opening assembly (4), a bag supporting assembly (5). The bag taking assembly (3) is composed of a paper bag bin (3-1), a roller (3-2), a roller motor (3-3), a guide rail (3-4), a paper rubbing wheel (3-5), a paper rubbing wheel motor (3-6). The rear side of the paper bag bin (3-1) is opened for paper bag loading, the lower rear side is opened, the front side is connected with the guide rail (3-4) which exceeds the edge of the paper bag by 1-3 cm, the paper rubbing wheel (3-5) is connected with the paper rubbing wheel motor (3-6) through a shaft and is placed at the lower opening position of the paper bag bin (3-1); the bag opening assembly is composed of a suction cup (4-1) and a direct drive guide mechanism, the direct drive guide mechanism includes a large lead screw (4-2), a direct drive guide slider (4-3) and a direct drive motor (4-4), the direct drive guide slider (4-3) is connected with the direct drive motor (4-4) through the large lead screw (4-2), and the other end of the slider is connected with the suction cup (4-1); the bag supporting assembly (5) is composed of a multi-point position slider mechanism (5-7), a rocker arm (5-3), a bag supporting base (5-6), a bag supporting box body (5-2), a bag supporting box cover (5-1), a bag supporting motor (5-4), a gear (5-10), a rack (5-9), a bag supporting rod (5-8) and a rocker arm motor (5-5). The multi-point position slider mechanism (5-7) can move forward and backward in the slide rail and stop at the specified position; the bag supporting base (5-6) is fixed on the multi-point position slider mechanism (5-7) and can move forward and backward with the slider; the rocker arm is connected with the bag supporting box body (5-2) through the rocker arm motor (5-5) and rotates to complete the swing of the bag supporting box body (5-2) through the rocker arm motor (5-5); the bag supporting motor (5-4) is arranged at the rear side of the bag supporting box body (5-2), the bag supporting motor (5-4) controls the rotation of the gear (5-10), the rack (5-9) cooperates with the gear (5-10), and the bag supporting rod (5-8) is arranged above the rack.

[0024] Specifically, to ensure the effectiveness and stability of the transmission, four groups of roller motors (3-3) and rollers (3-2) are arranged at equal intervals on both sides of the guide rail to improve the pressure and friction of the edges of the paper bag on both sides; a plurality of bosses for improving friction are arranged on the circumference of the paper rubbing wheel (3-5).

[0025] Specifically, when the paper bag is conveyed to the opening, the direct drive guide slider (4-3) quickly moves the suction cup (4-1) to the upper and lower surfaces of the paper bag and sucks it, the suction force of the suction cup (4-1) is provided by a vacuum pump, then the two groups of suction cups slowly suck the paper bag to a predetermined size under the drive of the motor, after the bag supporting assembly enters the paper bag, the suction force of the upper and lower two groups of suction cups disappears and leaves the paper bag, the direct drive guide slider (4-3) is moved to the initial position to avoid affecting the working process of the bag supporting module, and waits for the next cycle of operation.

[0026] Specifically, to prevent the paper bag from deforming and sinking, a herringbone support plate is arranged between the guide rails.

[0027] Specifically, the gear (5-10) drives the bag supporting rod (5-8) to spread out from the initial gathering state to the four directions, and when the size requirement of the bag supporting is reached, the bag supporting action is completed, then the bag supporting motor (5-4) reverses to drive the gear (5-10) to reverse, so that the bag supporting rod (5-8) is gathered from the dispersed state to the middle, and after returning to the initial state, the bag supporting motor (5-4) stops rotating, and prepares for the next bag supporting action.

[0028] Example two

[0029] Referring to the accompanying Figure 1 to the accompanying Figure 6 , a bag taking and opening module, the general work flow is: a plurality of paper bags in a stack are placed in the paper bag warehouse (3-1), the lowermost paper bag can be rubbed out through the paper rubbing wheel (3-5) at the bottom of the paper bag warehouse, and the paper bag is guided to the front to the bag opening assembly (4) through the guide wheels on both sides; the main operating unit of the bag opening assembly is four suction cups (4-1), two on the top and two on the bottom, which respectively suck the upper and lower sides of the paper bag, the suction force of the suction cup is generated by the vacuum pump, after the suction cups (4-1) suck the upper and lower sides of the paper bag, the direct guide mechanism drives the bottom bases of the upper and lower suction cups (4-1) to move upward and downward respectively, so as to realize the opening of the paper bag; after the paper bag is opened, the bag supporting assembly (5) is driven by the multi-point slide block mechanism (5-7) to extend into the opened paper bag, the bag supporting rod (5-8) expands outward to make the paper bag be supported to the target position; then, the swing of the bag supporting box (5-2) is completed by rotating the rocker motor (5-5), the bag supporting rod (5-8) is retracted, and the supported paper bag slides into the V-shaped conveyor belt (2), which is sent to the pushing point by the conveyor belt to complete the pushing task by the pushing device, and finally realizes the bag taking, bag opening and bag filling process of the automatic food packaging assembly line.

[0030] Example three

[0031] Referring to the accompanying Figure 1 to the accompanying Figure 6 , a bag taking and opening module, the gear (5-10) rack (5-9) running track can be calculated by numerical control technology, the internal structure of the box is changed by the computer, and the corresponding box cover is changed according to the calculation result, so as to complete the bag supporting task of different size paper bags.

[0032] Although the embodiments of the utility model have been shown and described in the specification, for ordinary skilled persons in the art, various changes, modifications, variations and combinations can be made to these embodiments under the understanding of the principles and ideas of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bag taking and opening module, characterized by: Mainly divided into take bag assembly (3), open bag assembly (4), bag support assembly (5) three parts;The bag assembly (3) by paper bag warehouse (3-1), gyro wheel (3-2), gyro wheel motor (3-3) guide rail (3-4), paper rubbing wheel (3-5), paper rubbing wheel motor (3-6) is composed, paper bag warehouse (3-1) rear side opening for paper bag filling, lower rear side opening, front side connection exceeds paper bag edge 1~3cm guide rail (3-4), paper rubbing wheel (3-5) is placed in paper bag warehouse (3-1) lower opening position through the shaft and paper rubbing wheel motor (3-6) connection;The bag opening assembly (4) is composed of suction cup (4-1), direct drive guide mechanism, direct drive guide mechanism includes large lead screw (4-2), direct drive guide slider (4-3), direct drive motor (4-4), direct drive guide slider (4-3) is connected with direct drive motor (4-4) through large lead screw (4-2), slider other end is connected with suction cup (4-1);The bag support assembly (5) is composed of multi-point position slider mechanism (5-7), rocker arm (5-3), bag support base (5-6), bag support box (5-2), bag support box cover (5-1), bag support motor (5-4), gear (5-10) rack (5-9), bag support rod (5-8), rocker arm motor (5-5).

2. A bag taking and opening module according to claim 1, characterized in that: Multi-point position slider mechanism (5-7) can move forward and backward in the slide rail, and stop at the designated position;Bag support base (5-6) is fixed on multi-point position slider mechanism (5-7), which can move forward and backward with the slider, rocker arm is connected with bag support box (5-2) through rocker arm motor (5-5), and the swing of bag support box (5-2) is completed by rotating rocker arm motor (5-5), bag support motor (5-4) is arranged at the rear side of bag support box (5-2), bag support motor (5-4) can control the rotation of gear (5-10), rack (5-9) is matched with gear (5-10), and bag support rod (5-8) is arranged above the rack.

3. A bag taking and opening module according to claim 1, characterized in that: In order to prevent the deformation and sinking of the paper bag, the herringbone support plate is arranged between the guide rails;In order to ensure the effectiveness and stability of the transmission, four groups of gyro wheel motors (3-3) and gyro wheels (3-2) are arranged at equal intervals on both sides of the guide rail, so as to improve the pressure and friction of the edges of the paper bag on both sides;A plurality of bosses for improving friction are arranged on the circumference of the paper rubbing wheel (3-5).

4. A bag taking and opening module according to claim 1, characterized in that: The running track of gear (5-10) and rack (5-9) can be calculated by numerical control technology, the internal structure of the box is changed by the computer, the corresponding box cover is changed according to the calculation result, so that the bag supporting task of paper bags with different sizes is completed.

5. A bag picking and opening module according to claim 1 or 2, characterized in that: Under the drive of gear (5-10), bag support rod (5-8) is dispersed from the initial gathering state to the four directions, and the size requirement of bag supporting is reached, and then the bag supporting action is completed, after that, bag support motor (5-4) is reversed, gear (5-10) is reversed, so that bag support rod (5-8) is gathered from the dispersed state to the middle, and after returning to the initial state, bag support motor (5-4) stops rotating, and prepares for the next bag supporting action.

6. A bag picking and opening module according to claim 1 or 3, characterized in that: When the paper bag is conveyed to the opening, the direct guide slider (4-3) quickly moves the suction cup (4-1) to the upper and lower surfaces of the paper bag and sucks it, the suction force of the suction cup (4-1) is provided by the vacuum pump, then under the drive of the motor, the two groups of suction cups slowly suck the paper bag to the predetermined size, after the bag supporting assembly enters the paper bag, the suction force of the upper and lower groups of suction cups disappears and leaves the paper bag, the direct guide slider (4-3) is moved to the initial position, avoiding affecting the working process of the bag supporting module, and waiting for the operation of the next cycle.

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