阅读说明：本技术 具有拉伸吸附结构的包装设备开袋装置 (Packaging equipment bag opening device with stretching adsorption structure ) 是由 葛健东 于 2020-12-15 设计创作，主要内容包括：本发明公开了具有拉伸吸附结构的包装设备开袋装置,包括导向撑口机构和压板吸附机构,压板吸附机构设置在导向撑口机构上,当斜角板头将包装袋吸附起后,液压缸的伸缩端推动滑块将侧挡板推入撑起的袋口内,完成对袋口的固定拉伸撑张,方便下一个物品进入包装袋内,将气泵的进气端通过吸气软管与开设有吸气口的斜角板头连接,并将气泵的出气端通过出气软管与吹气管连接,该结构能够实现对包装袋的吸附拉起,以及吹气撑口的工序,使得包装更加方便；当物品进入包装袋时,侧挡板能够对物品进行导向,便于物品精准进入包装袋内,且当物品较大时,物品将侧挡板的一端撑开,同时撑开的侧挡板再将包装袋口撑开,方便物品进入袋内。(The invention discloses a bag opening device of packaging equipment with a stretching adsorption structure, which comprises a guide opening supporting mechanism and a pressure plate adsorption mechanism, wherein the pressure plate adsorption mechanism is arranged on the guide opening supporting mechanism, after an oblique angle plate head adsorbs a packaging bag, a telescopic end of a hydraulic cylinder pushes a sliding block to push a side baffle plate into the supported bag opening, so that the fixed stretching and stretching of the bag opening are completed, the next article can conveniently enter the packaging bag, an air inlet end of an air pump is connected with the oblique angle plate head provided with an air suction port through an air suction hose, and an air outlet end of the air pump is connected with an air blowing pipe through an air outlet hose; when article got into the wrapping bag, the side shield can lead article, in the accurate entering wrapping bag of article of being convenient for, and when the article was great, article propped the one end of side shield, and the side shield that struts simultaneously struts the wrapping bag mouth again, makes things convenient for article to get into in the bag.)

1. Packaging equipment opens bagging apparatus with tensile adsorption structure props mouthful mechanism (1) and clamp plate adsorption apparatus structure (2) including the direction, and clamp plate adsorption apparatus structure (2) set up and prop mouthful mechanism (1) in the direction on, its characterized in that: the guide opening-supporting mechanism (1) is provided with a supporting box seat assembly (11) and an opening-supporting guide assembly (12), the opening-supporting guide assembly (12) is fixedly installed in the supporting box seat assembly (11), the opening-supporting guide assembly (12) is provided with a sliding rail moving member (121), a rotary supporting member (122) and an opening-supporting guide plate member (123), the sliding rail moving member (121) is fixedly installed in the supporting box seat assembly (11), the rotary supporting member (122) is fixedly installed on the sliding rail moving member (121), the opening-supporting guide plate member (123) is fixedly installed at the upper end of the rotary supporting member (122), and the supporting box seat assembly (11) is provided with a pressing plate adsorption mechanism (2);

the pressing plate adsorption mechanism (2) is provided with a movable pressing plate (21) and an adsorption component (22), the movable pressing plate (21) is movably installed on the supporting box seat component (11), and the adsorption component (22) is fixedly installed in the supporting box seat component (11) and is movably connected with the movable pressing plate (21).

2. The bag opener for a packaging apparatus having a stretch adsorption structure according to claim 1, wherein: the supporting box seat assembly (11) is provided with a supporting box (111) and reinforcing side plates (112), the reinforcing side plates (112) are fixedly installed on two sides of the supporting box (111) to form the whole supporting box seat assembly (11), and the supporting box (111) and the reinforcing side plates (112) are all members made of aluminum alloy materials.

3. The bag opening device of a packaging apparatus having a stretch adsorption structure as set forth in claim 2, wherein: the supporting box (111) is provided with an installation notch (1111) and a plug-in shaft hole (1112), the installation notch (1111) is arranged at the upper end of the supporting box (111), and the plug-in shaft hole (1112) is arranged at two sides of one end of the installation notch (1111).

4. The bag opener for a packaging apparatus having a stretch adsorption structure according to claim 1, wherein: the sliding rail moving part (121) is provided with a hydraulic cylinder (1211), a supporting guide rail (1212) and a sliding block (1213), the hydraulic cylinder (1211) is fixedly installed at one end in the supporting box (111), the supporting guide rail (1212) is fixedly installed at the other end in the supporting box (111), and the sliding block (1213) is movably installed on the supporting guide rail (1212) and is fixedly connected with the telescopic end of the hydraulic cylinder (1211).

5. The bag opener for a packaging apparatus having a stretch adsorption structure according to claim 1, wherein: the rotary supporting member (122) is provided with a supporting pipe unit (1221) and a fixing rod unit (1222), the supporting pipe unit (1221) is fixedly arranged on the sliding block (1213), and the fixing rod unit (1222) is movably arranged in the supporting pipe unit (1221).

6. The bag opening device of a packaging apparatus having a stretch adsorption structure as set forth in claim 5, wherein: the supporting tube unit (1221) is provided with a fixed groove block (1201), a supporting tube body (1202) and a fixed orifice plate (1203), the fixed orifice plate (1203) is fixedly welded at the upper end of the side face of the supporting tube body (1202), the lower end of the supporting tube body (1202) is fixedly welded on the fixed groove block (1201), and the fixed groove block (1201) is fixedly installed on a sliding block (1213).

7. The bag opening device of a packaging apparatus having a stretch adsorption structure as set forth in claim 5, wherein: the fixing rod unit (1222) is provided with an inserting rod column (1204), a torsion spring (1205) and a fixed connecting block (1206), the upper end of the inserting rod column (1204) is fixedly welded with the fixed connecting block (1206), the torsion spring (1205) is sleeved on the inserting rod column (1204), the inserting rod column (1204) is movably inserted into the supporting pipe body (1202), the upper end of the torsion spring (1205) is fixed on the fixed connecting block (1206), and the lower end of the torsion spring (1205) is fixed in the supporting pipe body (1202).

8. The bag opener for a packaging apparatus having a stretch adsorption structure according to claim 1, wherein: the opening guide plate piece (123) is provided with a side baffle (1231), an air blowing pipe (1232) and a fixing ring (1233), the side baffle (1231) is fixedly welded on the fixed connecting block (1206), the fixing ring (1233) is fixedly installed on the side face of the side baffle (1231), the air blowing pipe (1232) is fixedly installed on the side face of the side baffle (1231) through the fixing ring (1233), and one end of the air blowing pipe penetrates through a hole of the fixing hole plate (1203);

side shield (1231) are provided with wide mouthful end (12311) and narrow mouthful end (12312), and wide mouthful end (12311) and narrow mouthful end (12312) set up respectively at the both ends of side shield (1231), and narrow mouthful end (12312) set up the one end of installation notch (1111) towards supporting box (111).

9. The bag opener for a packaging apparatus having a stretch adsorption structure according to claim 1, wherein: the movable pressing plate (21) is provided with a material guide plate body (211), mounting shaft posts (212) and an oblique angle plate head (213), the mounting shaft posts (212) are fixedly arranged on two sides of one end of the material guide plate body (211) and movably mounted in the mounting notch (1111) through the mounting shaft posts (212), and the oblique angle plate head (213) is fixedly welded at the other end of the material guide plate body (211);

the movable pressing plate (21) is further provided with a hose inlet hole (2101) and an air suction port (2102), the hose inlet hole (2101) is formed in the lower end of the material guide plate body (211), the air suction port (2102) is formed in one end of the bevel plate head (213), and the hose inlet hole (2101) is communicated with the air suction port (2102) through an air channel formed in the material guide plate body (211).

10. The bag opener for a packaging apparatus having a stretch adsorption structure according to claim 1, wherein: the adsorption component (22) is provided with a reinforcing support plate (221), an air pump (222) and a telescopic oil cylinder (223), the reinforcing support plate (221) is fixedly arranged in the support box seat component (11), the air pump (222) and the telescopic oil cylinder (223) are respectively and fixedly arranged at two ends of the upper end surface of the reinforcing support plate (221), and the telescopic end of the telescopic oil cylinder (223) is movably contacted with the material guide plate body (211);

the air pump (222) is provided with an air suction hose (2221) and an air outlet hose (2222), the air suction hose (2221) and the air outlet hose (2222) are respectively arranged at the air inlet end and the air outlet end of the air pump (222), the other end of the air suction hose (2221) is fixedly arranged on the hose inlet hole (2101), and the other end of the air outlet hose (2222) is fixedly arranged on the air blowing pipe (1232).

Technical Field

The invention relates to the technical field of packaging equipment, in particular to a bag opening device of packaging equipment with a stretching adsorption structure.

Background

The packaging equipment is equipment capable of completing all or part of the product and commodity packaging process. The packaging process comprises the main processes of filling, wrapping, sealing and the like, and the related front and back processes of cleaning, stacking, disassembling and the like. In addition, packaging may include metering or stamping the package. The product is packaged by a machine, so that the production efficiency can be improved, the labor intensity is reduced, the requirement of large-scale production is met, and the requirements of cleanness and sanitation are met.

The existing packaging equipment is inconvenient to open the bag mouth in the using process, so that articles to be packaged cannot enter the packaging bag, and when the articles are packaged, the articles cannot be guided when being put into the packaging bag, so that the putting is not accurate enough, and when the articles are put into the bag, the bag mouth cannot be propped open, so that the articles are not convenient to put in.

In order to solve the problems, the invention provides a bag opening device of a packaging device with a stretching adsorption structure.

Disclosure of Invention

The invention aims to provide a packaging equipment bag opening device with a stretching adsorption structure, which comprises a guide opening mechanism and a pressing plate adsorption mechanism, wherein the pressing plate adsorption mechanism is arranged on the guide opening mechanism, so that a packaging bag opening is conveniently opened, meanwhile, the bag opening can be opened, and articles are accurately put into the packaging bag, so that the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme: the packaging equipment bag opening device with the stretching adsorption structure comprises a guiding opening supporting mechanism and a pressing plate adsorption mechanism, wherein the pressing plate adsorption mechanism is arranged on the guiding opening supporting mechanism, the guiding opening supporting mechanism is provided with a supporting box seat assembly and an opening supporting guide assembly, the opening supporting guide assembly is fixedly arranged in the supporting box seat assembly, the opening supporting guide assembly is provided with a sliding rail moving member, a rotary supporting member and an opening supporting guide plate member, the sliding rail moving member is fixedly arranged in the supporting box seat assembly, the rotary supporting member is fixedly arranged on the sliding rail moving member, the opening supporting guide plate member is fixedly arranged at the upper end of the rotary supporting member, and the pressing plate adsorption mechanism is arranged on the supporting box seat assembly;

the pressing plate adsorption mechanism is provided with a movable pressing plate and an adsorption component, the movable pressing plate is movably arranged on the supporting box seat component, and the adsorption component is fixedly arranged in the supporting box seat component and is movably connected with the movable pressing plate.

Furthermore, the supporting box seat assembly is provided with a supporting box and reinforcing side plates, the reinforcing side plates are fixedly installed on two sides of the supporting box to form the whole supporting box seat assembly, and the supporting box and the reinforcing side plates are all members made of aluminum alloy materials.

Furthermore, the supporting box is provided with an installation notch and a plugging shaft hole, the installation notch is arranged at the upper end of the supporting box, and the plugging shaft hole is arranged at two sides of one end of the installation notch.

Furthermore, the slide rail moving part is provided with a hydraulic cylinder, a supporting guide rail and a sliding block, the hydraulic cylinder is fixedly arranged at one end in the supporting box, the supporting guide rail is fixedly arranged at the other end in the supporting box, and the sliding block is movably arranged on the supporting guide rail and is fixedly connected with the telescopic end of the hydraulic cylinder.

Furthermore, the rotary supporting piece is provided with a supporting pipe unit and a fixing rod unit, the supporting pipe unit is fixedly arranged on the sliding block, and the fixing rod unit is movably arranged in the supporting pipe unit.

Furthermore, the supporting tube unit is provided with a fixing groove block, a supporting tube body and a fixing hole plate, the fixing hole plate is fixedly welded at the upper end of the side face of the supporting tube body, the lower end of the supporting tube body is fixedly welded on the fixing groove block, and the fixing groove block is fixedly installed on the sliding block.

Further, the dead lever unit is provided with grafting post, torsional spring and fixed connection piece, and the fixed welded connection piece in grafting post upper end, torsional spring suit are in the grafting post, and the activity of grafting post is pegged graft in the stay tube body, and the upper end of torsional spring is fixed on the fixed connection piece, and the lower extreme is fixed in the stay tube body.

Furthermore, the opening supporting guide plate is provided with a side baffle, an air blowing pipe and a fixing ring, the side baffle is fixedly welded on the fixed connecting block, the fixing ring is fixedly arranged on the side surface of the side baffle, the air blowing pipe is fixedly arranged on the side surface of the side baffle through the fixing ring, and one end of the air blowing pipe penetrates through a hole of the fixing hole plate;

the side shield is provided with wide mouthful end and narrow mouth end, and wide mouthful end and narrow mouth end set up respectively at the both ends of side shield, and the narrow mouth end is seted up towards the one end that supports the case box and is equipped with the installation notch.

Furthermore, the movable pressing plate is provided with a material guide plate body, mounting shaft posts and an oblique angle plate head, wherein the mounting shaft posts are fixedly arranged on two sides of one end of the material guide plate body and movably mounted in the mounting groove openings through the mounting shaft posts, and the oblique angle plate head is fixedly welded at the other end of the material guide plate body;

the movable pressing plate is also provided with a hose inlet hole and an air suction port, the hose inlet hole is formed in the lower end of the material guide plate body, the air suction port is formed in one end of the oblique angle plate head, and the hose inlet hole and the air suction port are communicated through an air passage formed in the material guide plate body.

Furthermore, the adsorption assembly is provided with a reinforcing support plate, an air pump and a telescopic oil cylinder, the reinforcing support plate is fixedly arranged in the support box seat assembly, the air pump and the telescopic oil cylinder are respectively and fixedly arranged at two ends of the upper end surface of the reinforcing support plate, and the telescopic end of the telescopic oil cylinder is movably contacted with the material guide plate body;

the air pump sets up the hose of breathing in and gives vent to anger the hose, and the hose of breathing in and the hose of giving vent to anger are installed respectively and are served at the inlet end of air pump with giving vent to anger, and the other end fixed mounting of the hose of breathing in is on the hose advances the hole, and the other end fixed mounting of the hose of giving vent to anger is on the gas blow pipe.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the packaging equipment bag opening device with the stretching and adsorbing structure, one end of the material guide plate body is movably mounted in the mounting groove opening through the mounting shaft column, the other end of the material guide plate body is supported through the telescopic oil cylinder, when an article to be packaged passes through the material guide plate body, one end of the material guide plate body is pressed down, the article can conveniently slide into a packaging bag, after the packaged article is removed, the telescopic oil cylinder jacks up the material guide plate body, meanwhile, an air pump sucks air through the air suction hose connected with the hose inlet hole, so that the packaging bag is adsorbed by the oblique-angle plate head provided with the air suction port, and the opening guide plate can be conveniently inserted into the bag opening to open the opening.

2. The invention provides a bag opening device of packaging equipment with a stretching and adsorbing structure, wherein a supporting tube unit provided with a side baffle is fixedly arranged on a sliding block, the sliding block is movably arranged on a supporting guide rail and is fixedly connected with a telescopic end of a hydraulic cylinder, after a packaging bag is adsorbed by an oblique angle plate head, the telescopic end of the hydraulic cylinder pushes the sliding block to push the side baffle into a supported bag opening, so that the fixed stretching and stretching of the bag opening are completed, the next article can conveniently enter the packaging bag, an air inlet end of an air pump is connected with the oblique angle plate head provided with an air suction port through an air suction hose, and an air outlet end of the air pump is connected with an air blowing pipe through an air outlet hose.

3. According to the bag opening device with the stretching adsorption structure for the packaging equipment, the side baffle is mounted on the inserting rod column through the fixed connecting block, the inserting rod column sleeved with the torsion spring is movably inserted into the supporting tube body, the upper end of the torsion spring is fixed on the fixed connecting block, the lower end of the torsion spring is fixed in the supporting tube body, when an article enters the packaging bag, the side baffle can guide the article, the article can accurately enter the packaging bag, when the article is large, one end of the side baffle is propped open by the article, meanwhile, the opening of the packaging bag is propped open by the propped open side baffle, the article can conveniently enter the bag, after the packaging is finished, the torsion spring resets, the inserting rod column is driven to rotate, and the side baffle is enabled to return to the original angle.

4. According to the bag opening device with the stretching adsorption structure for the packaging equipment, the wide opening end 12311 and the narrow opening end 12312 are respectively arranged at the two ends of the side baffle 1231, the narrow opening end 12312 faces to one end of the supporting box 111, which is provided with the mounting notch 1111, the wide opening end 12311 facilitates articles to enter between the two groups of wide opening ends 12311, the side baffle 1231 is convenient to guide the articles, the narrow opening end 12312 is convenient to insert into a supported packaging bag, the packaging bag cannot be broken, and the packaging bag is protected.

Drawings

FIG. 1 is a schematic view of the overall structure of a bag opening device of a packaging apparatus with a stretching adsorption structure according to the present invention;

FIG. 2 is a schematic structural view of a bag opener supporting seat assembly of the packaging apparatus with a stretching adsorption structure according to the present invention;

FIG. 3 is a schematic structural view of a bag opening guide assembly of the bag opening device of the packaging apparatus with a stretching adsorption structure of the present invention;

FIG. 4 is a schematic structural view of a rotary support member of a bag opener of a packaging apparatus with a stretching adsorption structure according to the present invention;

FIG. 5 is a schematic structural view of a side baffle plate of a bag opening device of the packaging equipment with a stretching adsorption structure;

FIG. 6 is a schematic structural view of a pressing plate adsorption mechanism of a bag opening device of the packaging equipment with a stretching adsorption structure;

FIG. 7 is a schematic diagram of the structure of the back side of the movable pressing plate of the bag opening device of the packaging apparatus with the stretching adsorption structure of the present invention;

fig. 8 is a schematic structural diagram of the suction component of the bag opening device of the packaging equipment with the stretching suction structure.

In the figure: 1. a guide opening supporting mechanism; 11. a support box base assembly; 111. supporting the box; 1111. installing a notch; 1112. inserting the shaft hole; 112. reinforcing the side plate; 12. a mouth bracing guide assembly; 121. a sliding rail moving member; 1211. a hydraulic cylinder; 1212. supporting the guide rail; 1213. a slider; 122. a slewing support; 1221. a support tube unit; 1201. fixing the groove block; 1202. supporting the pipe body; 1203. fixing the orifice plate; 1222. a fixing rod unit; 1204. inserting a pole column; 1205. a torsion spring; 1206. fixing a connecting block; 123. a bracing opening guide plate; 1231. a side dam; 12311. a wide mouth end; 12312. a narrow-mouth end; 1232. an air blowing pipe; 1233. a fixing ring; 2. a pressing plate adsorption mechanism; 21. a movable pressing plate; 211. a material guide plate body; 212. mounting a shaft column; 213. a bevel board head; 2101. a hose is inserted into the hole; 2102. an air suction port; 22. an adsorption component; 221. reinforcing the supporting plate; 222. an air pump; 2221. a suction hose; 2222. an air outlet hose; 223. a telescopic oil cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the bag opening device of the packaging apparatus with a stretching adsorption structure includes a guiding opening supporting mechanism 1 and a pressing plate adsorption mechanism 2, wherein the pressing plate adsorption mechanism 2 is disposed on the guiding opening supporting mechanism 1.

Referring to fig. 2, the guiding opening-supporting mechanism 1 is provided with a supporting box base assembly 11 and an opening-supporting guide assembly 12, the opening-supporting guide assembly 12 is fixedly installed in the supporting box base assembly 11, the supporting box base assembly 11 is provided with a supporting box 111 and a reinforcing side plate 112, the reinforcing side plate 112 is fixedly installed on two sides of the supporting box 111 to form the whole supporting box base assembly 11, the supporting box 111 and the reinforcing side plate 112 are both members made of aluminum alloy, the supporting box 111 is provided with a mounting notch 1111 and a plug-in shaft hole 1112, the mounting notch 1111 is opened at the upper end of the supporting box 111, and the plug-in shaft hole 1112 is opened on two sides of one end of the mounting notch 1111.

Referring to fig. 3-5, the opening-supporting guide assembly 12 is provided with a sliding rail moving member 121, a revolving support member 122 and an opening-supporting guide plate member 123, the sliding rail moving member 121 is fixedly installed in the supporting box base assembly 11, the revolving support member 122 is fixedly installed on the sliding rail moving member 121, the opening-supporting guide plate member 123 is fixedly installed at the upper end of the revolving support member 122, and the pressing plate adsorption mechanism 2 is arranged on the supporting box base assembly 11; the slide rail moving member 121 is provided with a hydraulic cylinder 1211, a supporting guide 1212 and a slider 1213, the hydraulic cylinder 1211 is fixedly installed at one end of the supporting box 111, the supporting guide 1212 is fixedly installed at the other end of the supporting box 111, the slider 1213 is movably installed on the supporting guide 1212 and is fixedly connected with the telescopic end of the hydraulic cylinder 1211, the supporting tube unit 1221 provided with the side barrier 1231 is fixedly installed on the slider 1213, the slider 1213 is movably installed on the supporting guide 1212 and is fixedly connected with the telescopic end of the hydraulic cylinder 1211, after the bevel plate head 213 sucks up the packaging bag, the telescopic end of the hydraulic cylinder 1211 pushes the slider 1213 to push the side barrier 1231 into the lifted bag mouth, so as to complete the fixed stretching and stretching of the bag mouth, so that the next article can conveniently enter the packaging bag, the air inlet end of the air pump 222 is connected with the bevel plate head 213 provided with the air inlet 2102 through an air suction hose 2221, and the air outlet end of the air pump 222 is connected with the air, the structure can realize the processes of sucking and pulling up the packaging bag and expanding the opening by blowing, so that the packaging is more convenient, the rotary support 122 is provided with a support tube unit 1221 and a fixed rod unit 1222, the support tube unit 1221 is fixedly arranged on a slide block 1213, the fixed rod unit 1222 is movably arranged in the support tube unit 1221, the support tube unit 1221 is provided with a fixed groove block 1201, a support tube body 1202 and a fixed hole plate 1203, the fixed hole plate 1203 is fixedly welded at the upper end of the side surface of the support tube body 1202, the lower end of the support tube body 1202 is fixedly welded on the fixed groove block 1201, the fixed groove block 1201 is fixedly arranged on the slide block 1213, the fixed rod unit 1222 is provided with a splicing rod column 1204, a torsion spring 1205 and a fixed connecting block 1206, the upper end of the splicing rod column 1204 is fixedly welded on the upper end of the splicing rod column 1204, the splicing rod column 1204 is movably spliced in the support, the lower end is fixed in the supporting tube 1202, the opening guiding plate 123 is provided with a side baffle 1231, an air blowing pipe 1232 and a fixing ring 1233, the side baffle 1231 is fixedly welded on the fixing connecting block 1206, the fixing ring 1233 is fixedly installed on the side surface of the side baffle 1231, the air blowing pipe 1232 is fixedly installed on the side surface of the side baffle 1231 through the fixing ring 1233, one end of the air blowing pipe passes through the hole of the fixing hole plate 1203, the side baffle 1231 is provided with a wide end 12311 and a narrow end 12312, the wide end 12311 and the narrow end 12312 are respectively arranged at the two ends of the side baffle 1231, the narrow end 12312 faces the end of the supporting box 111 provided with the installation notch 1111, the side baffle 1231 is installed on the inserting rod column 1204 through the fixing connecting block 1206, the inserting rod column 1204 sleeved with the torsion spring 1205 is movably inserted in the supporting tube 1202, the upper end of the torsion spring 1205 is fixed on the fixing connecting block 1206, side shield 1231 can lead article, in the accurate entering wrapping bag of article of being convenient for, and when article are great, article strut one end of side shield 1231, the side shield 1231 that struts simultaneously struts opens the wrapping bag mouth again, make things convenient for in the article entering bag, the packing is accomplished the back, torsional spring 1205 resets, drive peg 1204 rotation, make side shield 1231 reply original angle, set up wide mouth end 12311 and narrow mouth 12312 respectively with the both ends of side shield 1231, and narrow mouth end 12312 sets up the one end of installation notch 1111 towards supporting box 111, wide mouth end 12311 makes things convenient for between article entering two sets of wide mouth end 12311, be convenient for side shield 1231 to its direction, narrow mouth end 12312 is convenient for insert the wrapping bag of propping up, and can not strut the wrapping bag, protect the wrapping bag.

Referring to fig. 6-8, the pressing plate suction mechanism 2 includes a movable pressing plate 21 and a suction assembly 22, the movable pressing plate 21 is movably mounted on the supporting box seat assembly 11, the suction assembly 22 is fixedly mounted in the supporting box seat assembly 11 and movably connected to the movable pressing plate 21, the movable pressing plate 21 includes a material guiding plate body 211, a mounting stud 212 and an oblique angle plate head 213, the mounting stud 212 is fixedly mounted on both sides of one end of the material guiding plate body 211 and movably mounted in the mounting notch 1111 via the mounting stud 212, the oblique angle plate head 213 is fixedly welded to the other end of the material guiding plate body 211, the movable pressing plate 21 further includes a hose inlet 2101 and a suction port 2102, the hose inlet 2101 is disposed at the lower end of the material guiding plate body 211, the suction port 2102 is disposed at one end of the oblique angle plate head 213, and the hose inlet 2101 and the suction port 2102 are communicated via an air passage disposed inside the material guiding plate body 211, the suction assembly, An air pump 222 and a telescopic oil cylinder 223, the reinforcing supporting plate 221 is fixedly installed in the supporting box seat assembly 11, the air pump 222 and the telescopic oil cylinder 223 are respectively and fixedly installed at two ends of the upper end surface of the reinforcing supporting plate 221, the telescopic end of the telescopic oil cylinder 223 is movably contacted with the material guiding plate body 211, the air pump 222 is provided with an air suction hose 2221 and an air outlet hose 2222, the air suction hose 2221 and the air outlet hose 2222 are respectively installed at the air inlet end and the air outlet end of the air pump 222, the other end of the air suction hose 2221 is fixedly installed on the hose inlet hole 2101, the other end of the air outlet hose 2222 is fixedly installed on the air blowing pipe 1232, one end of the material guiding plate body 211 is movably installed in the installation notch 1111 through the installation shaft post 212, the other end is supported through the telescopic oil cylinder 223, when the packaged article passes through the material guiding plate body 211, one end of the material guiding plate body, the telescopic cylinder 223 jacks up the material guide plate 211, and meanwhile, the air pump 222 sucks air through the air suction hose 2221 connected with the hose inlet 2101, so that the packaging bag is sucked up by the oblique angle plate head 213 provided with the air suction port 2102, and the opening guide plate 123 is conveniently inserted into the bag opening to open the opening.

In summary, the following steps: the invention provides a bag opening device of packaging equipment with a stretching adsorption structure, which comprises a guide opening supporting mechanism 1 and a pressing plate adsorption mechanism 2, wherein the pressing plate adsorption mechanism 2 is arranged on the guide opening supporting mechanism 1, one end of a material guide plate body 211 is movably arranged in an installation notch 1111 through an installation shaft column 212, the other end of the material guide plate body is supported through a telescopic oil cylinder 223, when an article to be packaged passes through the material guide plate body 211, one end of the material guide plate body 211 is pressed down to facilitate the article to slide into a packaging bag, after the packaged article is removed, the telescopic oil cylinder 223 jacks up the material guide plate body 211, and meanwhile, an air pump 222 sucks air through an air suction hose 2221 connected with a hose inlet 2101, so that an oblique angle plate head 213 provided with an air suction opening 2102 sucks the packaging bag, and the opening guide plate body 123 is conveniently inserted into the bag opening to support; the supporting tube unit 1221 provided with the side baffle 1231 is fixedly arranged on the sliding block 1213, the sliding block 1213 is movably arranged on the supporting guide rail 1212 and is fixedly connected with the telescopic end of the hydraulic cylinder 1211, after the oblique angle plate head 213 adsorbs the packaging bag, the telescopic end of the hydraulic cylinder 1211 pushes the sliding block 1213 to push the side baffle 1231 into the propped bag mouth, so as to complete the fixed stretching and propping of the bag mouth, so that the next article can conveniently enter the packaging bag, the air inlet end of the air pump 222 is connected with the oblique angle plate head 213 provided with the air inlet 2102 through the air suction hose 2221, and the air outlet end of the air pump 222 is connected with the air blowing tube 1232 through the air outlet hose 2222, and the structure can realize the processes of adsorbing and pulling the packaging bag and blowing the propping mouth, so that the packaging is more convenient; the side baffle 1231 is installed on the inserting rod column 1204 through the fixed connecting block 1206, the inserting rod column 1204 sleeved with the torsion spring 1205 is movably inserted into the supporting tube 1202, the upper end of the torsion spring 1205 is fixed on the fixed connecting block 1206, the lower end of the torsion spring 1205 is fixed in the supporting tube 1202, when an article enters a packaging bag, the side baffle 1231 can guide the article, the article can accurately enter the packaging bag, when the article is large, one end of the side baffle 1231 is propped open by the article, meanwhile, the opening of the packaging bag is propped open by the propped side baffle 1231, the article can conveniently enter the bag, after the packaging is finished, the torsion spring 1205 resets to drive the inserting rod column 1204 to rotate, and the side baffle 1231 is enabled to restore to the original angle; set up wide mouthful end 12311 and narrow mouthful end 12312 respectively with the both ends of side baffle 1231, and narrow mouthful end 12312 sets up the one end of installing notch 1111 towards supporting box 111, and wide mouthful end 12311 makes things convenient for article to get into between two sets of wide mouthful end 12311, and the side baffle 1231 of being convenient for leads to it, and narrow mouthful end 12312 is convenient for insert in the wrapping bag that props up, and can not prop the wrapping bag brokenly, protects the wrapping bag.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.