CN218399607U - Bag opening mechanism for square-bottom valve bag processing - Google Patents
Bag opening mechanism for square-bottom valve bag processing Download PDFInfo
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- CN218399607U CN218399607U CN202222843214.8U CN202222843214U CN218399607U CN 218399607 U CN218399607 U CN 218399607U CN 202222843214 U CN202222843214 U CN 202222843214U CN 218399607 U CN218399607 U CN 218399607U
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Abstract
The utility model relates to a bag body opening mechanism when square bottom valve bag adds man-hour, including platform, conveying mechanism, roll over bag mechanism, opening mechanism and flattening mechanism, wherein place the square bottom valve bag who arranges side by side at the platform, be provided with the preforming and the preforming is pressed the bag body on the platform above the platform, be provided with conveying mechanism on the platform, conveying mechanism presss from both sides the bag body tightly and carries forward, be provided with the bag folding mechanism in platform both sides, realize becoming vertical setting with bag body both sides through the bag folding mechanism, be provided with opening mechanism in one side of the bag folding mechanism, the bag body after bending realizes opening the bag body through opening mechanism, be provided with flattening mechanism on one side of opening mechanism, flatten the open bag body through flattening mechanism, be convenient for subsequent heat seal cloth laminating; the bag body is opened mainly in a continuous opening mode, the opening mechanism is synchronous with the bag body conveying mechanism, and therefore the bag body opening efficiency is high.
Description
Technical Field
The utility model relates to a square bottom valve bag processing equipment field, concretely relates to bag body opening mechanism when square bottom valve bag adds man-hour.
Background
When the square bottom valve bag is processed, bag bodies on two sides of the square bottom valve bag are required to be opened and flattened, so that non-woven fabrics and hot air fabrics are conveniently adhered to the opened bag bodies of the square bottom valve bag in a subsequent process, and the two ends of the square bottom valve bag are sealed; the opening of the square bottom valve bag is mainly adsorbed on the edge of the bag body through the negative pressure adsorption component, the edges at two ends of the bag body are opened through the left-right movement and the opening of the negative pressure component, but the negative pressure adsorption component repeatedly moves left and right on the track, after the first bag body is opened, the negative pressure adsorption component is required to retreat to open the next bag body, so that the negative pressure adsorption component repeatedly moves left and right, so that the bag body is opened at a time interval (namely the time for the negative pressure adsorption component to slide rightwards), the bag body which cannot form continuity is opened, so that the opening efficiency of the bag body is limited (a contrast file is not searched according to the opening of the square bottom valve bag and the bag body, and a bag body opening mechanism used in the past is taken as the prior art in the background technology).
Disclosure of Invention
To the not enough of above-mentioned prior art, the utility model relates to a bag body opening mechanism when square bottom valve bag adds man-hour mainly opens the bag body through the continuity mode of opening, and opening mechanism is synchronous with bag body conveying mechanism, and the open efficiency ratio of the bag body is than higher like this.
In order to achieve the purpose, the utility model discloses the scheme: a bag body opening mechanism for processing a square bottom valve bag comprises a platform, a conveying mechanism, a bag folding mechanism, an opening mechanism and a flattening mechanism, wherein the square bottom valve bags which are arranged side by side are placed on the platform, the conveying mechanism is arranged on the platform and clamps the bag body and conveys the bag body forwards, the bag folding mechanisms are arranged on two sides of the platform, two sides of the bag body are vertically arranged through the bag folding mechanisms, the opening mechanism is arranged on one side of the bag folding mechanism, the folded bag body is opened through the opening mechanism, the flattening mechanism is arranged on one side of the opening mechanism and flattens the opened bag body through the flattening mechanism, and subsequent heat sealing cloth is convenient to laminate; the bag folding mechanism comprises conveying chains, negative pressure suction nozzles, elastic telescopic assemblies and limiting rails, a group of conveying chains is arranged at two ends of a bag body after a bag is folded and bent by the bag folding mechanism, each group of conveying belts is composed of two conveying chains which are arranged oppositely, each conveying chain is meshed with two gears driven by a motor, the two bent ends of a square bottom valve pocket are respectively arranged between the two groups of conveying chains, a plurality of elastic telescopic assemblies are arranged on the outer walls of the conveying chains at equal intervals, the other end of each elastic telescopic assembly is provided with a negative pressure suction nozzle, the outer wall of the bag body is adsorbed by the negative pressure suction nozzle, the limiting rails are arranged on the upper side and the lower side of the negative pressure suction nozzles, sliding assemblies are arranged between the limiting rails and the negative pressure suction nozzles, the spacing rail intervals on the two sides of each end of the square bottom valve pocket are gradually widened along the conveying direction of the square bottom valve pocket, and opening of the bag body is realized; a pressing sheet is arranged above the platform and presses the opened bag opening to be smooth, so that the bag opening is prevented from being folded.
Preferably, the elastic telescopic assembly is formed by sleeving a pressure spring which jacks the telescopic rod outwards on the telescopic rod, one end of the telescopic rod is fixed on the chain, the other end of the telescopic rod is fixed with the negative pressure suction nozzle, the upper side and the lower side of the plurality of negative pressure suction nozzles are respectively provided with a limiting track, a sliding assembly is arranged between each limiting track and the negative pressure suction nozzle, a sliding groove is formed in the side face, close to the negative pressure suction nozzle, of each limiting track, the sliding assembly is a guide rod, one end of each guide rod is fixed on the negative pressure suction nozzle, and the other end of each guide rod extends into the sliding groove.
Preferably, a negative pressure cavity is arranged in the limiting track and connected with a negative pressure pump, the guide rod is a hollow tube, the hollow tube is connected with a negative pressure suction nozzle, the negative pressure cavity is located on one side, close to the square bottom valve bag, of the limiting track, and the negative pressure cavity is communicated with the sliding groove, so that the negative pressure suction nozzle is communicated with the negative pressure cavity to adsorb the bag body.
Preferably, the mechanism that flattens includes conveyer belt and dull and stereotyped, is fixed with the polylith dull and stereotyped on the conveyer belt, and the conveyer belt is unanimous with conveying mechanism's direction of delivery, and the conveyer belt cover is carried on the roller, and two spacing track ends are embedded into to conveyer belt one end, and the dull and stereotyped interval department of embedding two spacing track ends on the conveyer belt is pressed the open bag body.
Compared with the prior art, the utility model has the advantages of: the bag body is opened mainly in a continuous opening mode, the opening mechanism is synchronous with the bag body conveying mechanism, and therefore the bag body opening efficiency is high.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a schematic view of the opening mechanism of the present invention.
Fig. 3 is a schematic view of the elastic expansion assembly and the limiting rail of the present invention.
Fig. 4 is a schematic diagram of the flattening mechanism of the present invention.
Fig. 5 is a schematic diagram of the limiting rail of the present invention.
The automatic bag folding machine comprises a platform 1, a platform 1.1, a pressing sheet 2, a conveying mechanism 3, a bag folding mechanism 4, an opening mechanism 4.1, a conveying chain 4.2, a negative pressure suction nozzle 4.3, an elastic telescopic assembly 4.4, a telescopic rod 4.5, a pressure spring 4.6, a limiting track 4.7, a sliding groove 4.8, a sliding assembly 4.9, a guide rod 4.10, a negative pressure cavity 4.11, a sealing rubber strip 5, a flattening mechanism 5.1, a flattening conveying belt 5.2 and a flattening plate.
Detailed Description
The present invention will now be further elucidated with reference to the accompanying drawings.
As shown in fig. 1-5, a bag opening mechanism 4 for processing a square bottom valve bag comprises a platform 1, a conveying mechanism 2, a bag folding mechanism 3, an opening mechanism 4 and a flattening mechanism 5, wherein the square bottom valve bags are arranged side by side on the platform 1, the top surface of the platform 1 is a smooth plane, the conveying mechanism 2 is arranged on the platform 1 (the conveying mechanism 2 comprises a conveying belt and a driving wheel, a pair of driving wheels arranged in front and back are arranged on the left side and the right side above the platform 1, the driving wheels are arranged on the platform 1 through a bearing and a bearing seat, the driving wheel is driven by a motor, the conveying belt winds around the driving wheel to move, the conveying belt moves through the rotation of the driving wheel, the bottom of the conveying belt contacts with the bottom of the square bottom valve bag, the conveying belt presses the bag body on the platform 1, and the bag body is conveyed rightwards through the friction force between the conveying belt and the bag body), the conveying mechanism 2 clamps and conveys the bag body forwards, bag folding mechanisms 3 are arranged on two sides of the platform 1 (the bag folding mechanisms 3 are arc-shaped bending plates, each arc-shaped bending plate is arranged on two sides of the pressing sheet 1.1, the arc-shaped bending plates are right-hand ends and horizontal ends, the left ends are vertical sections, the horizontal sections and the vertical sections are in transition of curved sections, two ends of a valve bag at the bottom are slowly curled into vertical surfaces, so that a subsequent bag opening is conveniently opened), the two sides of the bag body are vertically arranged through the bag folding mechanisms 3, an opening mechanism 4 is arranged on the platform 1 on the left side of the bag folding mechanism 3, the bag body bent through two ends enters the opening mechanism 4, the folded bag body is opened through the opening mechanism 4, a flattening mechanism 5 is arranged on the platform 1 on the left side of the opening mechanism 4, and the opened bag body is flattened through the flattening mechanism 5, the subsequent heat-seal cloth is convenient to be attached, so that the bag body is bent at two ends, the bag opening is opened through the opening mechanism 4, and the opened bag opening is flattened through the flattening mechanism 5; the opening mechanism 4 comprises conveying chains 4.1, a negative pressure suction nozzle 4.2, an elastic telescopic assembly 4.3 and a limiting track 4.6, a group of conveying chains 4.1 is arranged at two ends of a bag body after the bag is folded and bent by the bag folding mechanism 3, each group of conveying belts is two, the two conveying chains 4.1 are arranged oppositely in the front and back direction, each conveying chain 4.1 is meshed with two gears driven by a motor, the gears are connected and driven by a rotating shaft, the top of the motor is fixed on a portal frame through bolts, two ends of the portal frame are fixed on two side surfaces of the platform 1 through bolts, two bent ends of a valve pocket with a square bottom respectively extend into the space between the conveying chains 4.1 of each group, a plurality of elastic telescopic components 4.3 are fixed on the outer wall of the conveying chain 4.1 in a welding way at equal intervals, the other end of each elastic telescopic component 4.3 is fixed with a negative pressure suction nozzle 4.2 in a welding mode, the outer wall of the bag body is adsorbed by the negative pressure suction nozzle 4.2, limiting rails 4.6 are arranged on the upper and lower sides of the plurality of negative pressure suction nozzles 4.2 (each limiting rail 4.6 is fixed on the rotating shafts at the upper and lower ends of the two gears through bearings, the limiting rails 4.6 do not rotate along with the gears), a sliding assembly 4.8 is arranged between the limiting rails 4.6 and the negative pressure suction nozzles 4.2, thus, the negative pressure suction nozzle 4.2 slides along the limiting track 4.6, the spacing between the limiting tracks 4.6 at the two sides of each end of the square bottom valve bag is gradually widened along the conveying direction of the square bottom valve bag, thus realizing the opening of the bag body, because the negative pressure suction nozzles 4.2 move along the outline of the limiting track 4.6, the distance between the negative pressure suction nozzles 4.2 is slowly increased, the bag mouth of the bag body is opened, the opened bag opening is pressed downwards by a flattening mechanism 5, so that the outer wall of the bag opening is separated from the negative pressure suction nozzle 4.2, and the opening and flattening of the bag opening are completed; the pressing sheet 1.1 positioned above the platform 1 is fixed on the platform 1 on the left side of the flattening mechanism 5 through a support, the pressing sheet 1.1 corresponds to the bag openings at the two ends of the bag body up and down, and the completely opened bag openings are pressed through the pressing sheet 1.1, so that the bag openings are prevented from being folded.
The elastic telescopic component 4.3 is formed by sleeving a compression spring 4.5 which can lift the telescopic rod 4.4 outwards on the telescopic rod 4.4 (the inner rod and the outer rod are nested with each other, and the inner rod and the outer rod move mutually to stretch), one end of the telescopic rod 4.4 is fixed on a chain in a welding mode, the other end of the telescopic rod 4.4 is fixed with a negative pressure suction nozzle 4.2 in a welding mode, the upper side and the lower side of each negative pressure suction nozzle 4.2 are respectively provided with a limiting track 4.6 (the upper end and the lower end of each negative pressure suction nozzle 4.2 on each conveying chain 4.1 are respectively provided with a limiting track 4.6), a sliding component 4.8 is arranged between each limiting track 4.6 and the negative pressure suction nozzle 4.2, the side surface of each limiting track 4.6, which is close to the negative pressure suction nozzle 4.2, is provided with a sliding groove 4.7 with the outline consistent with the limiting track 4.6, the sliding component 4.8 is a guide rod 4.9, the guide rod 4.9 is fixed on the negative pressure suction nozzle 4.2 in a welding mode, the other end of the guide rod 4.9 extends into the sliding groove 4.7, and the sliding rod slides along the guide rod 4.7.
The negative pressure suction nozzle is characterized in that a negative pressure cavity 4.10 is formed in a limiting track 4.6, the negative pressure cavity 4.10 is connected with a negative pressure pump, negative pressure pumping of the negative pressure cavity 4.10 is achieved through the negative pressure pump, a guide rod 4.9 is a hollow tube, the hollow tube is connected with a negative pressure suction nozzle 4.2, the negative pressure cavity 4.10 is located on one side, close to a square bottom valve pocket, of the limiting track 4.6 (namely, the negative pressure cavity 4.10 is formed in one section of the limiting track 4.6, close to one side of the square bottom valve pocket), the negative pressure cavity 4.10 is communicated with a sliding groove 4.7, an annular sealing rubber strip 4.11 is embedded into the sliding groove 4.7, each guide rod 4.9 penetrates through the sealing rubber strip 4.11 to achieve butt joint of the negative pressure cavity 4.10, the negative pressure suction nozzle 4.2 is communicated with the negative pressure cavity 4.10 to absorb a bag body, and when the guide rod 4.9 leaves the negative pressure cavity 4.10, the negative pressure air nozzle disappears, and is separated from the outer wall of the bag opening.
Flattening mechanism 5 is including flattening conveyer belt 5.1 and flattening board, the portal frame of erectting in platform 1 top is fixed with through bolt-up's mode on platform 1, it has many rollers through motor drive to be fixed with through the bearing in the bottom of portal frame, the roller sets up about two and two rollers, at two rollers around having two horizontal conveyer belt 5.1 that flatten that set up side by side, the flattening board that is fixed with the equidistant setting of polylith through diffusion bolt-up's mode on the conveyer belt, the direction of delivery and the transport speed of flattening conveyer belt 5.1 and conveying mechanism 2 are all unanimous, flattening conveyer belt 5.1 cover is carried on the roller, conveyer belt one end is embedded into two spacing track 4.6 left ends, flattening board on the conveyer belt is embedded into the interval department at two spacing track 4.6 ends and is pressed open the bag body.
Claims (4)
1. A bag body opening mechanism for processing a square-bottom valve bag comprises a platform, a conveying mechanism, a bag folding mechanism, an opening mechanism and a flattening mechanism, wherein the square-bottom valve bags which are arranged side by side are placed on the platform, a pressing sheet is arranged above the platform and presses the bag body on the platform, the conveying mechanism is arranged on the platform and clamps the bag body and conveys the bag body forwards, the bag folding mechanisms are arranged on two sides of the platform, two sides of the bag body are vertically arranged through the bag folding mechanisms, the opening mechanism is arranged on one side of the bag folding mechanism, the folded bag body is opened through the opening mechanism, the flattening mechanism is arranged on one side of the opening mechanism and flattens the opened bag body through the flattening mechanism, and subsequent heat sealing cloth is convenient to laminate; the bag folding mechanism is characterized in that the opening mechanism comprises conveying chains, negative pressure suction nozzles, elastic telescopic assemblies and limiting rails, a set of conveying chains are arranged at two ends of a bag body after a bag is folded and bent by the bag folding mechanism, each group of conveying belts are two conveying chains and two conveying chains are arranged oppositely, each conveying chain is meshed with two gears driven by a motor, two ends of a square bottom valve bag bent are respectively arranged between the conveying chains of each group, a plurality of elastic telescopic assemblies are arranged on the outer walls of the conveying chains at equal intervals, the negative pressure suction nozzles are installed at the other ends of each elastic telescopic assembly, the outer wall of the bag body is adsorbed by the negative pressure suction nozzles, sliding assemblies are arranged between the limiting rails and the limiting rails on the upper side and the lower side of the negative pressure suction nozzles, the spacing rail intervals on the two sides of each end of the square bottom valve bag slowly widen along the conveying direction of the square bottom valve bag, and opening of the bag body is realized.
2. The bag opening mechanism for processing the square-bottom valve bag according to claim 1, wherein the elastic expansion assembly is a compression spring sleeved on the expansion link to lift the expansion link outwards, one end of the expansion link is fixed on the chain, the other end of the expansion link is fixed with the negative pressure suction nozzle, the upper side and the lower side of the negative pressure suction nozzles are respectively provided with a limiting track, a sliding assembly is arranged between each limiting track and the negative pressure suction nozzle, the side surface of the limiting track, which is close to the negative pressure suction nozzle, is provided with a sliding groove, the sliding assembly is a guide rod, one end of the guide rod is fixed on the negative pressure suction nozzle, and the other end of the guide rod extends into the sliding groove.
3. The bag opening mechanism for processing the square bottom valve bag according to claim 2, wherein a negative pressure cavity is arranged in the limiting rail and is connected with a negative pressure pump, the guide rod is a hollow tube and is connected with a negative pressure suction nozzle, the negative pressure cavity is arranged on one side of the limiting rail close to the square bottom valve bag and is communicated with the sliding groove, so that the negative pressure suction nozzle is communicated with the negative pressure cavity to suck the bag.
4. The bag opening mechanism for processing the square-bottom valve bag according to claim 3, wherein the flattening mechanism comprises a conveyor belt and a flattening plate, a plurality of flattening plates are fixed on the conveyor belt, the conveyor belt is in the same conveying direction as the conveyor mechanism, the conveyor belt is sleeved on the roller for conveying, one end of the conveyor belt is embedded into the tail ends of the two limiting rails, and the flattening plate on the conveyor belt is embedded into the interval between the tail ends of the two limiting rails for pressing the opened bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222843214.8U CN218399607U (en) | 2022-10-27 | 2022-10-27 | Bag opening mechanism for square-bottom valve bag processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222843214.8U CN218399607U (en) | 2022-10-27 | 2022-10-27 | Bag opening mechanism for square-bottom valve bag processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218399607U true CN218399607U (en) | 2023-01-31 |
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ID=85004567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222843214.8U Active CN218399607U (en) | 2022-10-27 | 2022-10-27 | Bag opening mechanism for square-bottom valve bag processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218399607U (en) |
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2022
- 2022-10-27 CN CN202222843214.8U patent/CN218399607U/en active Active
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