CN207359731U

CN207359731U - A kind of valve-port packaging bag folds the vacuum air-changing valve gear of assembly

Info

Publication number: CN207359731U
Application number: CN201721352396.1U
Authority: CN
Inventors: 戴东平; 黄满意
Original assignee: Wenzhou Deyuan Machinery Co Ltd
Current assignee: Wenzhou Deyuan Machinery Co Ltd
Priority date: 2017-10-19
Filing date: 2017-10-19
Publication date: 2018-05-15
Anticipated expiration: 2027-10-19

Abstract

It the utility model is related to the vacuum air-changing valve gear that a kind of valve-port packaging bag folds assembly, it is characterised in that：Include a piston cylinder, piston in piston cylinder, it is connected to the connecting rod of piston, the piston cylinder sets gradually the blow vent for the vacuum cups for being useful for being communicated on two clamping pieces on the active strokes of piston, it is connected to the bleeding point of vacuum pump and is used for realization the exhaust outlet that pressure release is exhausted in vacuum cups, further include the driving mechanism that driving moves back and forth between connecting rod makes piston from the position between blow vent and bleeding point to the stroke for being communicated in exhaust outlet, the device can effectively solve the problem that conversion and control of the vacuum pressure between break-make and exhaust pressure relief, it is simple in structure, converting automation degree is high, course of work quick and stable and energy saving.

Description

A kind of valve-port packaging bag folds the vacuum air-changing valve gear of assembly

Technical field

A kind of folding apparatus is the utility model is related to, more particularly to a kind of valve-port packaging bag folds the vacuum air-changing valve of assembly Device.

Background technology

Braided packing bag, also known as snakeskin bag, are one kind of plastics, its raw material is mainly the chemistry such as polyethylene, polypropylene Raw material.Woven bag is to be widely used in packing fertilizer, cement, a kind of of chemical products.

Current China and capital construction industry is just advanced with rapid pace at a tremendous pace all over the world.Various countries The yield of work, building materials especially cement industry is even more to advance by leaps and bounds.But a large amount of bulk product Self-enclosings that these industries need Packaging bag（Hereinafter referred to as valve-port packaging bag）Valve port molding procedure, can not realize industrialized production.Each packaging material manufactory Family is to employ a large amount of labours to lean on worker's craft folding forming packaging bag valve port.One clever skilled young woman worker is double Hand does not stop to fold as chicken pecks rice, it is daily 8 it is small when to multipotency fold three, 4,000.Heavy manual labor and severe work Cause many worker's continuous works more than two weeks as environment, finger can be worn bleeding, and elbow, wrist and articulations digitorum manus will swelling, pains Bitterly, the health of workpeople is seriously affected.And substantial amounts of manual labor also needs to expend more production cost.

Applicant has submitted the application documents of a 201610524744 .2 of Application No. for this, and it discloses a kind of valve The folding assembly of the mouth full-automatic Production line equipment of packaging bag, includes mounting bracket, the woven bag clamping being set up on mounting bracket Detent mechanism, the splitting mechanism at woven bag clamping positioning mechainsm, the valve port base being connected with woven bag clamping positioning mechainsm Piece fold mechanism and gear lath fold mechanism, woven bag clamping positioning mechainsm, valve port blank fold mechanism and gear lath folding machine Structure is driven by drive component respectively, is connected between drive component and each mechanism by transmission component.Woven bag clamping is fixed Position mechanism includes the clamping piece that the two panels being set up on mounting bracket is oppositely arranged, and one end of two clamping pieces is hinged drive end, The other end is openend, has grasping part between two clamping pieces, splitting mechanism include be distributed on two clamping pieces and with it is outer The vacuum cups of portion's source of the gas connection；Valve port blank fold mechanism includes can be along the grasping part reciprocally swinging of clamping positioning mechainsm Valve port blank pleated sheet；Gear lath fold mechanism includes to be set up at clamping piece can enter laterally clamping sky along grasping part Between to woven bag gear lath implement fold gear lath pleated sheet.

In use, the hinged drive end of two clamping pieces is driven, and promotes two clamping piece opening and closing, in splitting mechanism Vacuum cups then the woven bag in grasping part can be implemented to be attracted, and as the opening of two clamping pieces implements woven bag Splitting, after completing splitting, valve port blank pleated sheet is driven to be rocked in grasping part to be implemented to fold to valve port blank, at the same time Gear lath pleated sheet is entered in grasping part by the both lateral sides of two clamping pieces to be implemented to fold to the gear lath of woven bag.At this In technical solution, vacuum cups is that the form that air compressor machine is connected to by cylinder is set, and is realized by the reciprocating motion of cylinder Suction nozzle produces negative pressure, and such structure is due to the dependence for air compressor machine, and the stability of air pressure can not be met, while gas Cylinder needs the carry out reciprocating movement of high frequency at work, and air consumption is larger, and it is easy to wear to also result in cylinder, is unfavorable for folding assembly Long-term stable operation, and the motion control of cylinder need to rely on sensor and circuit part, and structure is complex, into This is higher.

Utility model content

The purpose of this utility model is to provide the vacuum air-changing valve gear that a kind of valve-port packaging bag folds assembly, the device energy Conversion and control of the vacuum pressure between break-make and exhaust pressure relief is enough efficiently solved, simple in structure, converting automation degree is high, Course of work quick and stable and energy saving.

Technical solutions of the utility model are as follows：A kind of valve-port packaging bag folds the vacuum air-changing valve gear of assembly, its feature It is：Include a piston cylinder, the piston in piston cylinder, the connecting rod for being connected to piston, the piston cylinder is in piston The blow vent for the vacuum cups for being useful for being communicated on two clamping pieces is set gradually on active strokes, is connected to the pumping of vacuum pump Mouthful and be used for realization the exhaust outlet that pressure release is exhausted in vacuum cups, further include driving in connecting rod make piston by blow vent with take out Position between gas port is to being communicated in the driving mechanism that is moved back and forth between the stroke of exhaust outlet.

The utility model is further arranged to, and the connecting rod protrudes from piston cylinder setting, and driving mechanism includes passing through it Driving is rotated in connecting rod makes piston by moving to the disc cam of exhaust outlet between blow vent and bleeding point, driving piston carries out instead Compression spring to return.

The utility model is further arranged to, and the driving mechanism includes rotatable rotation axis, and the dish type is convex Wheel is arranged in rotation axis and both rotate synchronously and set, the stroke rank that the completions one of two clamping pieces is opened and closed Section, rotation axis complete one week rotational travel, are respectively arranged with the circumference of the cam and open and close with two clamping pieces Corresponding first surface and the second curved surface, the diameter of first surface are more than the second curved surface.

The utility model is further arranged to, and the compression spring is socketed on connecting rod.

The utility model is further arranged to, and the end of the connecting rod is additionally provided with connection push rod, and the connection pushes away The mover with cam engagement is provided with bar, the actuated by cams is set in connection push rod.

The utility model is further arranged to, and the blow vent is provided with two on piston cylinder, and two blow vents lead to Cross tracheae and be connected to the corresponding vacuum cups of two clamping pieces.

The utility model has the advantages that：

1st, by the setting of driving mechanism, rotation axis band moving cam is rotated, when two clamping pieces complete to close action and When being opened, the first surface drive link of cam moves downward, and piston is by the position between blow vent and bleeding point at this time Moved to the direction for being communicated in exhaust outlet, blow vent is communicated in bleeding point when piston passes through bleeding point, blow vent produces negative Pressure, vacuum cups can realize the absorption to packaging bag, as the opening of two clamping pieces realizes that woven bag implements splitting, piston after It is continuous down to move, until being communicated in exhaust outlet, realize the pressure release of vacuum cups, vacuum cups is separated with packaging bag, is completed since then Splitting is implemented to packaging bag again and again, cam is rotated further at this time, and the second curved surface of cam offsets with being connected the mover of push rod, Spring meeting drive link and cam move upwards, are ready for splitting next time.

2nd, the opening of two clamping piece of the utility model and the movement closed with cam are consistent, without by sensor etc. its On the movement opportunity of his structure control piston, with the rotation of rotation axis, this gas exchange valve arrangement can open and close in two clamping pieces On process realize synchronous matching, can have more preferable structural stability, which efficiently solves vacuum pressure in break-make And the conversion and control between exhaust pressure relief, converting automation degree are high, transfer process quick and stable and energy saving.

3rd, the utility model only needs to connect a vacuum pump, is intended merely to provide a negative pressure of vacuum, and the prior art The air compressor machine energy consumption of middle use is higher, and the utility model is more energy saving, more use gas can be saved, due to the use of this equipment Gas has higher frequency, and the unstable situation of air pressure often occurs in air compressor machine, causes vacuum cups normally steady Fixed work, and then make jet and the process generation time error of exhaust, it is unfavorable for high-efficiency continuous splitting, and the utility model More stablize.

Brief description of the drawings

Fig. 1 is the structure diagram of the vacuum air-changing valve gear that valve-port packaging bag folds assembly in the present embodiment.

Fig. 2 is the piston cylinder dependency structure schematic diagram of vacuum air-changing valve gear in the present embodiment.

Figure label implication is as follows：1- piston cylinders；11- connecting rods；12- pistons；13- exhaust outlets；14- blow vents；15- is evacuated Mouthful；16- compresses spring；17- supplies port；2- disc cams；21- rotation axis；The second curved surfaces of 22-；23- first surfaces；3- connects Connect push rod；31- movers；4- tracheaes.

Embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is used to illustrate the utility model, but is not intended to limit the scope of the present invention.

With reference to Fig. 1 to Fig. 2, a kind of valve-port packaging bag folds the vacuum air-changing valve gear of assembly, include a piston cylinder 1, Piston 12 in piston cylinder 1, the connecting rod 11 for being connected to piston 12, piston cylinder 1 are set successively on the active strokes of piston 12 It is equipped with the blow vent 14 of the vacuum cups for being communicated on two clamping pieces, is connected to the blow vent 15 of vacuum pump and for reality The blow vent 13 of pressure release is exhausted in existing vacuum cups, and blow vent 14 is provided with two on piston cylinder 1, and two blow vents 14 are logical Cross tracheae 4 and be connected to the corresponding vacuum cups of two clamping pieces（Clamping piece and vacuum cups are omitted in Figure of description Standard and signal）, blow vent 15 is connected on vacuum pump and the tracheae 4 by tracheae 4 is provided with supply port 17, in order to Other operating mechanisms are connected, further include driving makes piston 12 from the position between blow vent 14 and blow vent 15 to even in connecting rod 11 Pass through the driving mechanism moved back and forth between the stroke of blow vent 13.

In the present embodiment, the connecting rod 11 protrudes from piston cylinder 1 and sets, driving mechanism include by its rotation drive in Connecting rod 11 make piston 12 by moved between blow vent 14 and blow vent 15 blow vent 13 disc cam 2, driving piston 12 into The compression spring 16 of the reverse return of row, in the present embodiment, compression spring 16 is socketed on connecting rod 11.Driving mechanism, which further includes, to be turned Dynamic rotation axis 21, cam 2（The cam of the present embodiment also refers to disc cam）It is arranged in rotation axis 21 and both rotates synchronously Set, the stroke stage that the completions one of two clamping pieces is opened and closed, as soon as rotation axis 21 completes week rotational travel, specifically It is that rotation axis 21 rotates a circle, two clamping pieces can complete one and open and the process closed, the rotation axis 21 in the present embodiment Also it is synchronized with the movement by being provided with extra linkage mechanism realization between two clamping pieces, is respectively arranged with the circumference of cam 2 Opened with two clamping pieces and close corresponding 23 and second curved surface 22 of rotation axis, the diameter of rotation axis 23 is more than the second curved surface 22.The end of connecting rod 11 is additionally provided with connection push rod 3, and the mover 31 coordinated with cam 2 is provided with the connection push rod 3, The cam 2 drives to be set in connection push rod 3.

The operation principle of the utility model：By the setting of driving mechanism, mistake that rotation axis 21 is rotated with moving cam 2 Cheng Zhong, before action is closed in the completion of two clamping pieces and will open, 23 drive link 11 of rotation axis of cam 2 is transported downwards Dynamic, piston 12 is moved from the position between blow vent 14 and blow vent 15 to the direction for being communicated in blow vent 13 at this time, works as piston 12 by making blow vent 14 be communicated in blow vent 15 during blow vent 15, blow vent 14 produces negative pressure, and vacuum cups can be realized pair The absorption of packaging bag（With reference to the piston 1212 in figure 2 reach 12 position 12 of piston ~）, braiding is realized with the opening of two clamping pieces Bag implements splitting, and piston 12 continues down to move, until being communicated in blow vent 13, realizes the pressure release of vacuum cups, vacuum cups Separating with packaging bag, complete to implement splitting to packaging bag again and again since then, rotation axis 21 is rotated further at this time, and the of cam 2 Two curved surfaces 22 offset with being connected the mover 31 of push rod 3, and compression spring 16 meeting drive link 11 and cam 2 move upwards, under One time splitting is ready.The opening of two clamping piece of the utility model and close and cam 2（Rotation axis 21）Movement it is consistent, Without the movement opportunity by the other structures such as sensor control piston 12, with the rotation of rotation axis 21, this gas exchange valve arrangement The process that can be opened and close in two clamping pieces realizes synchronous matching, can have more preferable structural stability, which has Effect solves conversion and control of the vacuum pressure between break-make and exhaust pressure relief, and converting automation degree is high, and transfer process is quick It is steady and energy saving.The utility model only needs to connect a vacuum pump, is intended merely to provide a negative pressure of vacuum, and the prior art The air compressor machine energy consumption of middle use is higher, and the utility model is more energy saving, more use gas can be saved, due to the use of this equipment Gas has higher frequency, and the unstable situation of air pressure often occurs in air compressor machine, causes vacuum cups normally steady Fixed work, and then make jet and the process generation time error of exhaust, it is unfavorable for high-efficiency continuous splitting, and the utility model More stablize.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and modification, above-mentioned vacation can also be made If these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims

1. a kind of valve-port packaging bag folds the vacuum air-changing valve gear of assembly, it is characterised in that：Include a piston cylinder, positioned at work Piston in plug cylinder, the connecting rod for being connected to piston, the piston cylinder set gradually the company of being useful on the active strokes of piston The blow vent that passes through the vacuum cups on two clamping pieces, the bleeding point for being connected to vacuum pump and it is used for realization vacuum cups progress The exhaust outlet of exhaust pressure relief, further include driving in connecting rod make piston from the position between blow vent and bleeding point to be communicated in exhaust The driving mechanism moved back and forth between the stroke of mouth.

2. valve-port packaging bag according to claim 1 folds the vacuum air-changing valve gear of assembly, it is characterised in that：Described Connecting rod protrudes from piston cylinder setting, driving mechanism include by its rotation driving in connecting rod make piston by blow vent and bleeding point it Between move to the disc cam of exhaust outlet, driving piston carries out the compression spring of reverse return.

3. valve-port packaging bag according to claim 2 folds the vacuum air-changing valve gear of assembly, it is characterised in that：Described Driving mechanism includes rotatable rotation axis, and the disc cam is arranged in rotation axis and both rotate synchronously and set, institute The stroke stage that the completion one for two clamping pieces stated is opened and closed, rotation axis complete one week rotational travel, the cam It is respectively arranged with circumference and opens and close corresponding first surface and the second curved surface, the diameter of first surface with two clamping pieces More than the second curved surface.

4. valve-port packaging bag according to claim 2 folds the vacuum air-changing valve gear of assembly, it is characterised in that：Described Compression spring is socketed on connecting rod.

5. valve-port packaging bag according to claim 1 folds the vacuum air-changing valve gear of assembly, it is characterised in that：Described The end of connecting rod is additionally provided with connection push rod, and the mover with cam engagement, the cam are provided with the connection push rod Drive and set in connection push rod.

6. valve-port packaging bag according to claim 1 folds the vacuum air-changing valve gear of assembly, it is characterised in that：Described Blow vent is provided with two on piston cylinder, and two blow vents are connected to the corresponding vacuum of two clamping pieces by tracheae and inhale Head.