CN214821310U

CN214821310U - Opening device at bottom of container bag

Info

Publication number: CN214821310U
Application number: CN202121143446.1U
Authority: CN
Inventors: 蔡锦丹; 任克平; 刘德明
Original assignee: Wenzhou Jukai Machinery Co ltd
Current assignee: Wenzhou Jukai Machinery Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-23
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses an opening device at bottom of container bag, its technical scheme main points include servo motor, aspirator nozzle assembly, be provided with two opposite bevel gear A on servo motor's the output shaft, two bevel gear A is provided with the support frame with the department that links to each other of output shaft, two one side of support frame all is provided with transmission, transmission sets up in the opposite face of support frame, the last aspirator nozzle assembly that is provided with of transmission mutually supports between the transmission on two bevel gear A on the output shaft and two support frames through, has realized transmission's synchro control to make two aspirator nozzle assemblies can carry out relative motion simultaneously, guaranteed that container bag bottom both sides can be opened simultaneously for the sack symmetry is opened, makes things convenient for placing of follow-up end card.

Description

Opening device at bottom of container bag

Technical Field

The utility model relates to a container bag production technical field, concretely relates to device of opening at bottom of container bag.

Background

Along with the development of a new era, the green concepts of energy conservation and environmental protection are vigorously advocated by the nation, the city environmental protection is the content of legal protection, under the background, people begin to use a substitute which can replace a plastic bag and is more environment-friendly than the plastic bag, so that the paper bag becomes the primary choice, the paper bag is not only pollution-free and easy to manufacture and recycle, more and more markets begin to use the paper bag to provide packaging service for customers, but the current paper bag manufacturers mostly adopt a manual bottom bag opening mode in the process of opening the bag bottom in the production flow, the mode cannot be matched with the whole production line, the efficiency is low, the labor intensity of production personnel is increased, and therefore, the patent No. CN211195138U provides a paper bag bottom opening device driven by a servo motor as a power source, however, in the device, one servo motor can only drive one bag bottom opening device, and can not synchronously control two opposite bag bottom opening devices, so that two sides of the bag bottom can not be symmetrically opened, and the bottom card can be deviated when being placed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an opening device at bottom of container bag when realizing that the link of opening at the bottom of the bag is automatic, opening device at the bottom of two bags of servo motor control realizes the synchronous linkage of device.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an opening device for a bag bottom of a paper bag comprises a servo motor, a pair of air suction nozzle assemblies and a pair of supporting frames, wherein air holes connected with an air pump are formed in the supporting frames; still including the transmission who connects output shaft and suction nozzle subassembly, transmission including with pivot fixed connection's belt pulley B, with bevel gear A matched with bevel gear B, bevel gear B is connected with belt pulley A through the transmission shaft, belt pulley A is connected with belt pulley B through belt transmission.

The utility model discloses still further set up to, the suction nozzle subassembly includes the swing arm, the swing arm cup joints in the pivot, be provided with the connecting rod in the swing arm, be provided with the suction nozzle on the connecting rod, be provided with the sucking disc on the suction nozzle, be provided with the air vent in the suction nozzle, suction nozzle one end be provided with sucking disc assorted installation pipe, be provided with the through-hole that is connected with the air vent on the installation pipe, the suction nozzle other end adopts the trachea to be connected with the vacuum pump.

The utility model discloses still further set up to, the top of connecting rod is provided with the spout that is used for aspirator tip position control, the aspirator tip is fixed in on the connecting rod through the cooperation of nut with the spout.

The utility model discloses still further set up to, the support frame top be provided with the layer board that matches with the sucking disc, one side that the layer board corresponds the pivot is provided with the baffle, still be provided with on the layer board 7 with wind hole 13 matched with wind groove 14. .

The utility model discloses still further set up to, the side of support frame still is provided with the take-up pulley, the take-up pulley is used for controlling belt tensioning degree.

The utility model discloses still further set up to, be provided with on the layer board with wind hole matched with wind groove.

To sum up, the utility model has the advantages that:

1. the opening device of the paper bag bottom is provided with a servo motor, a transmission device and a suction nozzle component, when a signal is transmitted to the servo motor to enable the servo motor to operate, the output shaft of the servo motor rotates, the transmission shaft is driven to rotate through the matching of the bevel gear A and the bevel gear B, the belt pulley A drives the belt pulley B to rotate, and therefore the rotating shaft is controlled to drive the swing arm to swing up and down, thereby leading the sucking disc to suck the bottom of the bag, realizing the automation of the bottom opening process of the paper bag, reducing the working pressure of production personnel, meanwhile, the bevel gear transmission mechanism can form effective matching with a production line, improves the production efficiency, is provided with two bevel gears which are opposite to each other on an output shaft, the two symmetrical transmission devices can be synchronously controlled by a servo motor through the matching of the bevel gear and the transmission devices, and then two suction nozzle assemblies are synchronously controlled, so that the opening of the bag mouth is more symmetrical, and the bottom card is conveniently placed in the subsequent process.

2. Through the cooperation of vacuum pump, suction nozzle and sucking disc, can let form a negative pressure environment between sucking disc and the container bag for the container bag can be inseparabler with the sucking disc laminating, guaranteed the reliability of opening at the bottom of the container bag, the connecting rod top is provided with the spout simultaneously, the suction nozzle passes through two nut settings in the spout, after loosening the nut, can adjust the width between the suction nozzle, make at the bottom of its container bag that can satisfy different specifications, improved the practicality of product.

3. Can be used for adjusting the elasticity between belt and the belt pulley through the setting of take-up pulley, when the belt is tired lax, can increase the live time of belt through adjusting the elasticity wheel, improve the life of belt.

Drawings

FIG. 1 is a schematic view showing the structure of the present embodiment in which the nozzle is opened.

FIG. 2 is a schematic view showing the structure of the paper bag sucked by the suction nozzle of this embodiment.

Fig. 3 is a perspective view of the transmission of the present embodiment.

Fig. 4 is a plan view of the present embodiment.

Fig. 5 is a structural view of the suction pipe assembly of the present embodiment. .

Reference numerals: 1-a servo motor; 2-a suction nozzle assembly; 201-a suction nozzle; 202-a sucker; 203-a vent hole; 204-installing the tube; 205-a via hole; 206-a vacuum pump; 207-swing arm; 208-a connecting rod; 3-bevel gear A; 4-a support frame; 5-a transmission device; 501-a transmission shaft; 502-bevel gear B; 6-a chute; 7-a supporting plate; 8-a baffle plate; 9-a tension wheel; 10-a rotating shaft; 11-pulley A; 12-pulley B; 13-air holes; 14-wind groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-5, the embodiment discloses an opening device for a bag bottom of a paper bag, which includes a servo motor 1, a pair of air suction nozzle assemblies 2, and a pair of support frames 4, wherein an air hole 13 connected to an air pump is formed in each support frame 4, the air hole 13 is used for sucking air into the paper bag, a rotating shaft 10 is hinged to each support frame 4, the air suction nozzle assemblies 2 are fixedly connected to the two rotating shafts 10, the two air suction nozzle assemblies 2 move in opposite directions, an output shaft of the servo motor 1 penetrates through the support frames 4, opposite bevel gears A3 are arranged at the connection positions of the output shaft and the two support frames 4, the bevel gear A3 is connected with a transmission device 5, the transmission device 5 is fixedly connected with a pulley a11, the pulley a11 is connected with a pulley B12 through belt transmission, and the pulley B12 is fixedly connected with the rotating shafts 10; the transmission device 5 comprises a transmission shaft 501, one end of the transmission shaft 501 is provided with a bevel gear B502 matched with the bevel gear A3, and the other end of the transmission shaft 501 is fixedly connected with a belt pulley A11.

Through the arrangement of the servo motor 1 and the transmission device 5, after the servo motor 1 is started, the bevel gear A3 drives the transmission device 5 to move, so that the belt transmission mechanism is driven to control the rotating shaft 10 to rotate, the air suction nozzle assembly 2 swings up and down, the opening of the bag bottom of the paper bag is completed, the automation of the process of the bag bottom of the paper bag is realized, the pressure of production personnel is reduced, and meanwhile, the paper bag bottom opening device can be matched with a production line, so that the production efficiency is improved; through set up two opposite bevel gear A3 on the output shaft, mutually support through bevel gear A3 and two transmission 5 on the support frame 4, realized controlling two transmission 5 synchronous motion through a servo motor 1 to make suction nozzle subassembly 2 can move in opposite directions simultaneously, guaranteed that the both sides of container bag can be opened by the synchronization, make the sack symmetry open, the placing of end card in the convenient follow-up flow.

In this embodiment, the suction nozzle assembly 2 includes a swing arm 207, the swing arm 207 is sleeved on the rotating shaft 10, a connecting rod 208 is arranged on the swing arm 207, a suction nozzle 201 is arranged on the connecting rod 208, a sucker 202 is arranged on the suction nozzle 201, a vent 203 is arranged in the suction nozzle 201, one end of the suction nozzle 201 is provided with an installation pipe 204 matched with the sucker 202, a through hole 205 connected with the vent 203 is arranged on the installation pipe 204, and the other end of the suction nozzle 201 is connected with a vacuum pump 206 through an air pipe.

In this embodiment, a sliding groove 6 for adjusting the position of the suction nozzle 201 is disposed at the top end of the connecting rod 208, and the suction nozzle 201 is fixed on the connecting rod 208 by the cooperation of a nut and the sliding groove 6.

Through the setting of spout 6, make the relative position between two suction nozzles 201 that are located on same connecting rod can adjust, can adapt to the bag end of different specifications, improved the practicality of device.

In this embodiment, 4 tops of support frame be provided with the layer board 7 that matches with sucking disc 202, one side that the layer board corresponds pivot 10 is provided with baffle 8, and setting up of baffle 8 has guaranteed in the container bag data send process, the container bag can not skew layer board 7, still be provided with on the layer board 7 with wind hole 13 matched with wind groove 14, the setting up of wind groove 14 lets wind hole 13 after breathing in, can produce the negative pressure between container bag and the wind groove 14, makes the container bag can not break away from layer board 7 when opening the bag, has guaranteed the reliability of opening at the bottom of the container bag.

In this embodiment, a tensioning wheel 9 is further disposed on a side surface of the supporting frame 4, and the tensioning wheel 9 is used for controlling a tensioning degree of the belt.

The working principle is as follows: when the paper bag bottom opening device is used, a paper bag is firstly conveyed to a supporting plate 7 through a conveying belt, then air is sucked by an air pump, an air hole 13 is used for sucking the paper bag, negative pressure is further generated between an air groove 14 and the paper bag, the paper bag is sucked on the supporting plate 7, the subsequent bag opening of the paper bag is facilitated, then a servo motor 1 is started, an output shaft rotates to drive a bevel gear A3 to rotate, a bevel gear A3 drives a bevel gear B502 to rotate, the bevel gear B502 drives a belt pulley A11 to rotate through a transmission shaft 501, then the belt pulley B12 rotates through a belt, so that a rotating shaft 10 is driven to swing up and down, a swing arm 207 swings up and down under the control of the rotating shaft 10, so that an air suction nozzle 201 on a connecting rod 208 moves up and down and drives a suction cup 202 to complete bag opening, when the swing arm 207 moves down, a vacuum pump 206 is started and enables the air suction nozzle 201 to suck air inwards through an air pipe, when the suction cup 202 is tightly attached to the bottom of the paper bag, suction nozzle 201 inhales and makes and produce the negative pressure between sucking disc 202 and the container bag, make the container bag adsorbed by sucking disc 202, setting up of vacuum pump 206 has guaranteed that the container bag can be adsorbed and not dropped, the reliability of opening at the bottom of the container bag has been guaranteed, and simultaneously, bevel gear A3 that two symmetries set up on servo motor 1's the output shaft can two transmission 5 and suction nozzle subassembly 2 that the synchro control symmetry set up, guaranteed in the production process container bag both sides can be opened by the synchronization, make the sack can the symmetry open, make the card place in follow-up flow easier.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. An opening device for a bag bottom of a paper bag comprises a servo motor (1), a pair of air suction nozzle assemblies (2) and a pair of support frames (4), wherein air holes (13) connected with an air pump are formed in the support frames (4), and is characterized in that the air suction nozzle assemblies (2) are hinged to the support frames (4) through rotating shafts (10), the air suction nozzle assemblies (2) are arranged in a mode of moving in opposite directions, an output shaft of the servo motor (1) penetrates through the support frames (4), a bevel gear A (3) is arranged at the joint of the output shaft and the support frames, and the directions of the bevel gears A (3) are opposite; still including transmission (5) of connecting output shaft and aspirator nozzle subassembly (2), transmission (5) including with pivot (10) fixed connection's belt pulley B (12), with bevel gear A (3) matched with bevel gear B (502), bevel gear B (502) are connected with belt pulley A (11) through transmission shaft (501), belt pulley A (11) are connected with belt pulley B (12) through belt drive.

2. The paper bag bottom opening device according to claim 1, wherein the suction nozzle assembly (2) comprises a swing arm (207), the swing arm (207) is sleeved on a rotating shaft (10), a connecting rod (208) is arranged on the swing arm (207), a suction nozzle (201) is arranged on the connecting rod (208), a suction cup (202) is arranged on the suction nozzle (201), a vent hole (203) is formed in the suction nozzle (201), an installation pipe (204) matched with the suction cup (202) is arranged at one end of the suction nozzle (201), a through hole (205) connected with the vent hole (203) is formed in the installation pipe (204), and a vacuum pump (206) is connected to the other end of the suction nozzle (201) through a gas pipe.

3. The paper bag bottom opening device according to claim 2, wherein the top end of the connecting rod (208) is provided with a chute (6) for adjusting the position of the suction nozzle (201), and the suction nozzle (201) is fixed on the connecting rod (208) through the matching of a nut and the chute (6).

4. The paper bag bottom opening device according to claim 1, wherein a supporting plate (7) matched with the suction cup (202) is arranged at the top of the supporting frame (4), and a baffle (8) is arranged on one side of the supporting plate corresponding to the rotating shaft (505).

5. The paper bag bottom opening device according to claim 1, wherein the side of the support frame (4) is further provided with a tension wheel (9), and the tension wheel (9) is used for controlling the tension degree of the belt.

6. A paper bag bottom opening device according to claim 4, characterized in that: and the supporting plate (7) is provided with an air groove (14) matched with the air hole (13).