A packaging device for glass fiber production and packaging method thereof

Abstract

The present invention belongs to the technical field of glass fiber production, and specifically relates to a packaging device for glass fiber production and a packaging method thereof, the packaging device comprising a discharge valve, a connecting sleeve, a support plate, a first telescopic component, a swing rod, a second telescopic component, an elastic cloth, a dust removal bag, a mounting plate and a negative pressure suction component; the present invention uses dual control in the vertical and horizontal directions to allow the lower ends of the swing rod to retract and approach each other, thereby facilitating the insertion of the lower end of the swing rod into the opened packaging bag opening, and then, under the dual control in the vertical and horizontal directions, the lower end of the swing rod quickly supports the bag opening of the packaging bag and utilizes the elastic cloth sleeved on the outside of the swing rod to achieve communication with the inside of the packaging bag, and then, under the condition that the negative pressure suction component is turned on, the short glass fiber material is transported into the packaging bag below, and the dust mixed inside the bag is sucked into the dust removal bag under the action of the suction force of the negative pressure, thereby improving the quality of the short glass fiber material.

Description

Technical Field

[0001] The invention belongs to the technical field of glass fiber production, in particular to a packaging device for glass fiber production and a packaging method thereof. Background Art

[0002] Chopped glass fiber, also known as chopped glass fiber strands, is made by melting quartz sand at high temperatures and using a special impregnation (softener) to draw the strands, which are then wet-cut online or chopped into finished glass fibers.

[0003] Chopped glass fiber is usually packed in paper bags with composite plastic film, 30kg per bag, and then placed on pallets, 900kg per pallet, and the pallet height is not more than 2 layers.

[0004] Chopped glass fiber is primarily used to enhance the performance of thermoplastics. Due to its excellent cost-effectiveness, it is particularly suitable for use in combination with resins as a reinforcement material for automobile, train, and ship hulls. It is used in high-temperature needle-punched felt, automotive sound-absorbing panels, and hot-rolled steel. Its products are widely used in the automotive, construction, and aviation industries, with typical applications including automotive parts, electronic and electrical products, and mechanical products. It is also an excellent inorganic fiber for reinforcing mortar and concrete, providing excellent anti-seepage and crack resistance. It is a highly competitive alternative to polyester and lignin fibers for mortar and concrete reinforcement. It can also improve the high-temperature stability, low-temperature crack resistance, and fatigue resistance of asphalt concrete, extending the service life of road surfaces.

[0005] The cutting process of short glass fibers produces cutting dust and excessively short glass fibers. If these dust and excessively short glass fibers are mixed with the short glass fiber material, the strength of high-strength concrete and high-strength composite materials produced using the short glass fiber material will be reduced, leading to serious consequences. However, it is necessary to prevent dust from spreading during the packaging process of the short glass fibers, which requires sealing the bag opening and discharge port. At the same time, it is also necessary to solve the problem of how to quickly connect and seal the bag opening and discharge port, and even to solve the problem of how to achieve automatic bagging. Summary of the Invention

[0006] To address the shortcomings of the existing technology, the present invention proposes a packaging device and packaging method for glass fiber production. The present invention is primarily intended to address the problem of dust dispersion during the packaging of short glass fibers into bags, as well as the problem of how to quickly connect and seal the bag opening and discharge port.

[0007] The technical solution adopted by the present invention to solve its technical problems is: the present invention provides a packaging device for glass fiber production, including a discharge valve, a connecting sleeve, a support plate, a first telescopic component, a swing rod, a second telescopic component, an elastic cloth, a dust removal bag, a mounting plate and a negative pressure suction component; the discharge valve is installed below the discharge port; the connecting sleeve is sleeved on the outer side of the discharge valve; the first telescopic component is used to drive the connecting sleeve to move vertically; the supporting plate is fixedly connected to the bottom of the connecting sleeve; the dust removal bags are evenly spaced apart on the support plate; the inlet edge of the dust removal bag is connected to the edge of the hole in the support plate; the mounting plate is arranged above the support plate; the mounting plate is fixedly connected to the discharge port The cam is mounted on a pivot part of the support frame, and the cam is mounted on a hinge part having two ends extending along the length of the support frame, and the cam is mounted on a hinge part having two ends extending along the length of the support frame. The cam is mounted on a hinge part having two ends extending along the length of the support frame.

[0008] Preferably, slits are evenly spaced vertically along the outer side of the lower edge of the elastic cloth.

[0009] Preferably, the inner side of the swing rod is slidably connected to the support rod; gear teeth are provided on the support rod; the gear teeth on the support rod are meshed with the gears on the output shaft of the first motor through a gear set for transmission.

[0010] Preferably, the lower end of the support rod is connected to an elastic support strip; the outer diameter of the elastic support strip is smaller than the outer diameter of the support rod.

[0011] Preferably, an anti-backflow structure is provided inside the dust removal bag.

[0012] Preferably, the anti-backflow structure includes an anti-static cloth and an elastic rope; the anti-static cloth is funnel-shaped; the large end edge of the anti-static cloth is connected to the bag edge of the dust removal bag; the small end edge of the anti-static cloth is connected to the ring-shaped elastic rope.

[0013] Preferably, the edge of the large end of the anti-static cloth and the edge of the bag opening of the dust removal bag are connected by a telescopic cloth with a tension sensor embedded in it; the telescopic cloth is a ring-shaped structure and is elastic; the detection ends of the tension sensor are respectively connected to the edge of the large end of the anti-static cloth and the edge of the bag opening of the dust removal bag.

[0014] Preferably, the first telescopic component includes a first electric push rod; the output end of the first electric push rod is connected to the upper end of the connecting sleeve; the cylinder of the first electric push rod is fixedly connected to the discharge valve;

[0015] The second telescopic component includes a second electric push rod and a sliding articulated seat; a sliding groove is set on the mounting plate at a position corresponding to the swing rod; the sliding articulated seat is slidably connected in the sliding groove; one end of the sliding articulated seat is hinged to the upper end of the swing rod through a hinge part; the other end of the sliding articulated seat is connected to the output end of the second electric push rod; the cylinder body of the second electric push rod is fixedly connected to the mounting plate.

[0016] The first electric push rod and the second electric push rod are both connected to the controller via electrical signals.

[0017] Preferably, the packaging device further comprises a conveyor line and an opening mechanism; the conveyor line is arranged below the discharge valve; a limit frame for placing packaging bags is arranged at one end of the conveyor line; an anti-fall frame is arranged at the other end of the conveyor line; the opening mechanism is symmetrically arranged on both sides of the conveyor line;

[0018] The opening mechanism includes a transposition unit, a telescopic unit and an adsorption unit; the transposition unit is connected to the side of the conveyor line; the transposition unit is used to drive the telescopic unit to move and transpose; the telescopic unit is used to drive the adsorption unit to extend and retract; the adsorption unit is used to adsorb the packaging bag.

[0019] A glass fiber packaging method comprises the following steps:

[0020] S1: Place the packaging bags evenly spaced between the two limit racks on the conveyor line, and then move along the conveyor line to one end of the limit rack. The sensor in the opening mechanism waiting there detects the approach of the packaging bag and transmits an electrical signal to the controller. The controller controls the telescopic unit to drive the adsorption unit to extend through the electrical signal. When the adsorption unit contacts the packaging bag, the controller controls the adsorption mechanism to adsorb the packaging bag through the electrical signal. At the same time, when the adsorption unit contacts the packaging bag, the controller controls the transposition unit through the electrical signal to drive the telescopic unit to keep moving synchronously with the conveyor line. When the packaging bag moves to the bottom of the discharge valve, the controller controls the conveyor line to stop. At the same time, the controller controls the telescopic units on both sides to contract synchronously, thereby realizing the opening of the packaging bag.

[0021] S2: The controller controls the first telescopic component via an electrical signal to drive the connecting sleeve upward, thereby driving the limit pin on the support plate to slide along the upper limit slot of the swing lever. Simultaneously, the controller controls the second telescopic component via an electrical signal to drive the swing lever toward the periphery of the mounting plate. Through the above dual control in the vertical and horizontal directions, the lower ends of the swing levers are brought closer together, and the elastic fabric sleeved on the outer side of the swing levers is deformed into an inverted cone shape, thereby facilitating the insertion of the lower end of the swing lever into the opened opening of the packaging bag.

[0022] S3: After the lower end of the swing arm is inserted into the opening of the packaging bag, the controller controls the first telescopic component to drive the connecting sleeve to move downward, thereby driving the limit pin to slide downward along the limit groove. At the same time, the controller controls the second telescopic component to drive the upper end of the swing arm toward the edge of the mounting plate. Then, under the dual control of the vertical and horizontal directions, the lower end of the swing arm quickly supports the opening of the packaging bag and communicates with the interior of the packaging bag through the elastic cloth sleeved on the outer side of the swing arm.

[0023] S4: The controller then controls the transposition unit to move to the position of the waiting bag, and then controls the telescopic unit and the adsorption unit to adsorb the waiting bag, waiting for the previous bag to be loaded;

[0024] S5: After completing the connection with the packaging bag, the controller controls the operation of the negative pressure suction component through an electrical signal, and then the negative pressure suction component sucks the space surrounded by the support plate, the mounting plate and the elastic cloth. After the negative pressure suction component is turned on, the controller controls the discharge valve to open through an electrical signal, and then the short glass fiber material transported in the discharge pipe is transported from the discharge valve to the packaging bag below. During the process, the opened negative pressure suction component sucks the short glass fiber material falling from the discharge valve.

[0025] S6: After the loading is completed, the controller controls the first telescopic component through an electrical signal to drive the connecting sleeve to move upward, thereby driving the limit pin on the support plate to slide along the upper limit groove of the swing rod. At the same time, the controller controls the second telescopic component through an electrical signal to drive the swing rod to move toward the periphery of the mounting plate. Through the above dual control in the vertical and horizontal directions, the lower ends of the swing rods are retracted and moved closer to each other;

[0026] S7: After the lower ends of the swing arms are retracted and moved closer to each other, the controller controls the conveyor line to move the packaging bag filled with short glass fibers between the two anti-fall frames. At the same time, the controller controls the position-shifting unit to drive the telescopic unit and the waiting packaging bag to move to the bottom of the discharge valve. The controller then controls the telescopic unit to open the bag opening.

[0027] S8: loop the steps of S2-S7.

[0028] The beneficial effects of the present invention are as follows:

[0029] 1. In the present invention, through the dual control of the vertical and horizontal directions, the lower ends of the swing arms are retracted and approached to each other, and the elastic cloth sleeved on the outside of the swing arms is also deformed into an inverted cone shape, thereby facilitating the insertion of the lower end of the swing arm into the opened opening of the packaging bag; after the lower end of the swing arm is inserted into the bag opening of the packaging bag, the controller controls the first telescopic component to drive the connecting sleeve to move downward, thereby driving the limit pin to slide downward along the limit groove. At the same time, the controller controls the second telescopic component to drive the upper end of the swing arm to approach the edge of the mounting plate, and then, under the dual control of the vertical and horizontal directions, the lower end of the swing arm quickly supports the bag opening of the packaging bag and utilizes the elastic cloth sleeved on the outside of the swing arm to achieve communication with the inside of the packaging bag, thereby preparing for subsequent loading and suction and dust removal. After the present invention completes the connection with the packaging bag, the controller controls the operation of the negative pressure suction component through an electrical signal, and then the negative pressure suction component sucks the space surrounded by the support plate, the mounting plate and the elastic cloth. After the negative pressure suction component is turned on, the controller controls the discharge valve to open through an electrical signal, and then the short glass fiber material transported in the discharge pipe is transported from the discharge valve to the packaging bag below. During the process, the opened negative pressure suction component sucks the short glass fiber material falling from the discharge valve. Since the short glass fiber is relatively dispersed during the falling process, the negative pressure suction force Under the action of the suction, the dust mixed inside and the short glass fiber are sucked into the dust removal bag, thereby improving the quality of the short glass fiber material, thereby ensuring the quality of the composite material prepared by the short glass fiber. The above packaging process can achieve high-quality packaging of the short glass fiber material. The automatic folding and automatic propping up of the bag mouth structure not only improves the packaging efficiency, but also lays the foundation for the later automatic bagging; and the connection and sealing are well achieved by propping up the bag mouth from the inside of the packaging bag, thereby ensuring the sealing of the negative pressure suction of dust;

[0030] 2. In the process of the lower end of the swinging rod in the present invention stretching the packaging bag, the lower end of the elastic cloth is also stretched, and the slits evenly spaced vertically along the outer side of the lower edge of the elastic cloth are opened, thereby forming arc grooves, so that gaps are evenly spaced between the elastic cloth and the packaging bag. When the negative pressure suction component sucks the space surrounded by the support plate, the mounting plate and the elastic cloth, the external air is replenished into the packaging bag through the evenly spaced arc grooves between the elastic cloth and the packaging bag. The air entering through the arc grooves has a higher flow rate because it passes through the small gaps, thereby flushing the dust adsorbed by static electricity on the inner wall of the bag opening of the packaging bag, thereby reducing the amount of dust adsorbed on the inner wall of the bag opening of the packaging bag, reducing the impact of the dust, and thus improving the sealing strength of the bag opening of the subsequent packaging bag.

[0031] 3. In the present invention, after the lower end of the swing arm supports the bag opening of the packaging bag, the controller controls the rotation of the first motor through an electrical signal, and drives the support rod to move downward along the slide groove on the swing arm through the transmission of the gear on the output shaft and the gear set until the lower end of the support rod touches the bottom of the packaging bag. The controller controls the first motor to stop and apply electromagnetic brakes. Then, when the negative pressure suction component sucks the space surrounded by the support plate, the mounting plate and the elastic cloth, the support rod can support the packaging bag to prevent the short glass fiber material from being unable to be normally loaded into the packaging bag due to excessive internal negative pressure, thereby ensuring the stability of the loading. When the packaging bag is loaded, the controller controls the first motor to drive the lower end of the support rod to be pulled out of the packaging bag through the gear set. In order to solve the problem that the packaging bag is easily dented by negative pressure suction, a magnetic adsorption structure or a clamping and fixing structure can also be added to the bottom of the packaging bag.

[0032] 4. When the negative pressure suction component of the present invention is activated, dust from the falling short glass fiber material is sucked into the antistatic cloth through the large opening. Under the action of the suction force, the antistatic cloth expands, which in turn stretches the elastic cord at the small opening, increasing its diameter. Dust entering the large opening of the antistatic cloth passes through the looped elastic cord and enters the dust bag. If the negative pressure suction component is damaged or shut down, the suction force provided by the negative pressure suction component is lost, and the antistatic cloth loses its expansion force. The elastic cord then contracts in diameter, tightening the small opening of the antistatic cloth. This allows the anti-backflow mechanism to automatically close when the negative pressure suction component stops or is turned off. In this case, the anti-backflow mechanism can automatically close and open without complex control. The elastic cord can be made of rubber, and the elasticity of the elastic cord needs to be designed to match the suction power of the negative pressure suction component. The anti-static cloth's inherent anti-static dust absorption function can further reduce the amount of dust adhering to the antistatic cloth and then falling back into the packaging bag, thereby ensuring better dust removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention will be further described below with reference to the accompanying drawings.

[0034] Figure 1 It is a schematic diagram of the overall structure of the packaging device of the present invention;

[0035] Figure 2 1 is a schematic diagram of the internal structure of the packaging device of the present invention at a first viewing angle;

[0036] Figure 3 This is a schematic diagram of the connection between the discharge valve and the connecting sleeve in the present invention;

[0037] Figure 4 It is a structural schematic diagram of the anti-backflow structure in the present invention;

[0038] Figure 5 2 is a schematic diagram of the internal structure of the packaging device of the present invention at a second viewing angle;

[0039] Figure 6 It is a structural schematic diagram of the second telescopic component in the present invention;

[0040] Figure 7 This is a schematic diagram of the deformation of the slit under stress in the present invention;

[0041] Figure 8 It is a schematic diagram of the overall structure of the swing arm in the folded state of the present invention;

[0042] Figure 9 is a schematic diagram of the connection between the gear set and the first motor in the present invention;

[0043] In the figure: discharge valve 1, connecting sleeve 2, support plate 3, first telescopic component 4, swing rod 5, support rod 51, gear teeth 511, gear set 52, first motor 53, elastic support bar 54, second telescopic component 6, second electric push rod 61, sliding hinge seat 62, elastic cloth 7, slit 71, dust bag 8, anti-backflow structure 81, anti-static cloth 811, elastic rope 812, mounting plate 9, negative pressure suction component 10, conveyor line 11, limit frame 111, anti-backflow frame 112, opening mechanism 12, transposition unit 121, telescopic unit 122, adsorption unit 123. DETAILED DESCRIPTION

[0044] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0045] like Figures 1 to 5As shown, a packaging device for glass fiber production includes a discharge valve 1, a connecting sleeve 2, a support plate 3, a first telescopic component 4, a swing rod 5, a second telescopic component 6, an elastic cloth 7, a dust bag 8, a mounting plate 9 and a negative pressure suction component 10; the discharge valve 1 is installed below the discharge port; the connecting sleeve 2 is sleeved on the outer side of the discharge valve 1; the first telescopic component 4 is used to drive the connecting sleeve 2 to move vertically; the supporting plate 3 is fixedly connected to the bottom of the connecting sleeve 2; the dust bags 8 are evenly spaced on the supporting plate 3; the inlet edge of the dust bag 8 is connected to the edge of the hole in the supporting plate 3; the mounting plate 9 is arranged above the support plate 3; the mounting plate 9 is fixedly connected to the discharge pipe; the mounting plate 9 The swing rod 5 is evenly spaced at the edge; the upper end of the swing rod 5 is hinged to the output end of the second telescopic component 6; the second telescopic component 6 is connected to the mounting plate 9; limit grooves are symmetrically provided on both side surfaces of the swing rod 5; the support plate 3 is polygonal, and limit pins are provided at the corners of the support plate 3; the protruding end of the limit pin slides in the limit groove; the elastic cloth 7 is sleeved on the outside of the swing rod 5; the elastic cloth 7 covers the area between the support plate 3 and the mounting plate 9; a suction hole is provided on the mounting plate 9, and the outside of the suction hole is connected to the negative pressure suction component 10; the negative pressure suction component 10 is used to suck the space surrounded by the support plate 3, the mounting plate 9 and the elastic cloth 7.

[0046] Before the packaging bag needs to be put on, the controller controls the first telescopic component 4 through an electrical signal to drive the connecting sleeve 2 to move upward, thereby driving the limit pin on the support plate 3 to slide along the limit groove of the swing rod 5. At the same time, the controller controls the second telescopic component 6 through an electrical signal to drive the swing rod 5 to move toward the periphery of the mounting plate 9. Through the above dual control in the vertical and horizontal directions, the lower ends of the swing rod 5 are retracted and close to each other, and the elastic cloth 7 on the outside of the swing rod 5 is also deformed into an inverted cone shape, thereby facilitating the insertion of the lower end of the swing rod 5 into the stretched packaging bag. In the bag opening; after the lower end of the swing rod 5 is inserted into the bag opening of the packaging bag, the controller controls the first telescopic component 4 to drive the connecting sleeve 2 to move downward, and then drives the limit pin to slide downward along the limit groove. At the same time, the controller controls the second telescopic component 6 to drive the upper end of the swing rod 5 to approach the edge of the mounting plate 9, and then under the dual control of the vertical and horizontal directions, the lower end of the swing rod 5 quickly supports the bag opening of the packaging bag and uses the elastic cloth 7 sleeved on the outside of the swing rod 5 to achieve communication with the inside of the packaging bag, thereby preparing for subsequent loading and suction dust removal.

[0047] During the cutting process of short glass fibers, cutting dust and glass fibers that are too short will be generated. If the cutting dust and glass fibers that are too short are mixed in the material of the short glass fibers, the strength of high-strength concrete, high-strength composite materials and other materials prepared with the glass fiber materials will be reduced, thus causing serious consequences. In this case, after completing the connection with the packaging bag, the controller controls the operation of the negative pressure suction component 10 through an electrical signal, and then the negative pressure suction component 10 sucks the space surrounded by the support plate 3, the mounting plate 9 and the elastic cloth 7. After the negative pressure suction component 10 is turned on, the controller controls the discharge valve 1 to open through an electrical signal, and then the short glass fiber material transported in the discharge pipe is transported from the discharge valve 1 to the packaging bag below. During the process, the opened negative pressure suction component 10 sucks the short glass fiber material falling from the discharge valve 1. Since the short glass fibers are relatively dispersed during the falling process, Under the suction force of negative pressure, the dust mixed inside and the glass fibers that are too short are sucked into the dust removal bag 8, thereby improving the quality of the short glass fiber material and ensuring the quality of the composite material prepared from the short glass fiber. The above packaging process can achieve high-quality packaging of the short glass fiber material. The automatic folding and automatic propping up of the bag mouth structure not only improves the packaging efficiency, but also lays the foundation for the later automatic bagging; and by propping up the bag mouth from the inside of the packaging bag, relative sealing is also achieved, thereby ensuring the sealing of the dust sucked by negative pressure.

[0048] like Figure 7 As shown, slits 71 are evenly spaced vertically along the outer side of the lower edge of the elastic cloth 7 .

[0049] In the process of the lower end of the swing rod 5 stretching the packaging bag, the lower end of the elastic cloth 7 will also be stretched, and then the slits 71 evenly spaced vertically along the outer side of the lower edge of the elastic cloth 7 will open, thereby forming an arc groove, so that gaps are evenly spaced between the elastic cloth 7 and the packaging bag, and then when the negative pressure suction component 10 sucks the space surrounded by the support plate 3, the mounting plate 9 and the elastic cloth 7, the external air replenishes the air into the packaging bag through the evenly spaced arc grooves between the elastic cloth 7 and the packaging bag, and the air entering along the arc groove has a higher flow rate because it passes through the small gap, and then flushes the dust on the inner wall of the bag opening of the packaging bag due to electrostatic adsorption, thereby reducing the amount of dust adsorbed on the inner wall of the bag opening of the packaging bag, reducing the impact of dust, and thereby improving the strength of the sealing of the bag opening of the subsequent packaging bag.

[0050] like Figures 8 and 9 As shown, the inner side of the swing rod 5 is slidably connected to the support rod 51; the support rod 51 is provided with gear teeth 511; the gear teeth 511 on the support rod 51 are meshed with the gears on the output shaft of the first motor 53 through the gear set 52 for transmission.

[0051] After the lower end of the swing arm 5 holds the bag opening, the controller controls the first motor 53 to rotate via an electrical signal. This, in turn, drives the support rod 51 downward along the slide groove on the swing arm 5 through the transmission of the gear on the output shaft and the gear set 52 until the lower end of the support rod 51 contacts the bottom of the bag. The controller controls the first motor 53 to stop and apply the electromagnetic brake. As the negative pressure suction component 10 suctions the space enclosed by the support plate 3, the mounting plate 9, and the elastic cloth 7, the support rod 51 supports the bag, preventing it from collapsing due to excessive internal negative pressure, which could prevent the short glass fiber material from being properly loaded into the bag. The arrangement of the support rod 51 ensures stable loading. When the bag is fully loaded, the controller controls the first motor 53 to drive the lower end of the support rod 51 out of the bag via the gear set 52. To address the problem of the bag being easily dented by negative pressure suction, a magnetic adsorption structure or a clamping structure can be added to the bottom of the bag.

[0052] like Figures 8 and 9 As shown, the lower end of the support rod 51 is connected to the elastic support strip 54 ; the outer diameter of the elastic support strip 54 is smaller than the outer diameter of the support rod 51 .

[0053] By connecting an elastic support strip 54 to the lower end of the support rod 51, the elastic support strip 54 first contacts the bottom of the packaging bag when the lower end of the support rod 51 is close to the bottom of the packaging bag, thereby preventing the lower end of the support rod 51 from puncturing the packaging bag, which would cause the sealed storage environment of the short glass fiber material to be unable to be guaranteed in the later stage. In this case, the elastic support strip 54 bends and deforms after contacting the packaging bag, thereby not only achieving the compression of the bottom of the packaging bag and the support on all sides, but also when the support rod 51 is pulled out from the short glass fiber contained in the packaging bag, the elastic support strip 54 can be deformed, so that the support rod 51 and the elastic support strip 54 will not be stuck when they are pulled out, thereby increasing the stability of the device operation.

[0054] like Figures 4 and 5 As shown, an anti-backflow structure 81 is provided inside the dust removal bag 8 .

[0055] Since the dust bag 8 is arranged with its opening facing downward, in order to prevent the dust filtered out of the dust bag 8 from flowing back and re-entering the packaging bag below, the negative pressure suction component 10 is required not to stop after being opened. This is because once it stops, the dust will lose the power to stick to the dust bag 8 and will fall freely. Therefore, an anti-backflow structure 81 is provided inside the dust bag 8. As long as the anti-backflow structure 81 is closed in advance before the negative pressure suction component 10 is closed, the dust can be prevented from flowing back out of the dust bag 8, thereby improving the convenience of using the equipment and reducing the energy loss caused by requiring the negative pressure suction component 10 to be kept open.

[0056] like Figures 4 and 5As shown, the anti-backflow structure 81 includes an anti-static cloth 811 and an elastic rope 812; the anti-static cloth 811 is funnel-shaped; the large end edge of the anti-static cloth 811 is connected to the bag edge of the dust removal bag 8; the small end edge of the anti-static cloth 811 is connected to the ring-shaped elastic rope 812.

[0057] After the negative pressure suction component 10 is turned on, the dust in the falling short glass fiber material is sucked into the large end of the anti-static cloth 811. Under the action of the suction force, the anti-static cloth 811 expands, thereby driving the elastic rope 812 at the small end of the anti-static cloth 811 to be stretched and the diameter becomes larger. The dust entering the large end of the anti-static cloth 811 passes through the annular elastic rope 812 and enters the dust removal bag 8; when the negative pressure suction component 10 is damaged or the negative pressure suction component 10 is shut down in the middle, the suction force provided by the negative pressure suction component 10 is lost, the anti-static cloth 811 loses its expansion force, and the elastic rope 812 shrinks its diameter by itself, thereby driving the small end of the anti-static cloth 811 to tighten, thereby achieving the effect of automatically closing the anti-backflow structure 81 when the negative pressure suction component 10 stops or is closed. In this case, the anti-backflow structure 81 can be automatically closed and opened without complex control. The elastic cord 812 can be made of rubber, and the elastic force of the elastic cord 812 needs to be designed to match the suction power of the negative pressure suction component 10. The anti-static dust absorption function of the anti-static cloth 811 can further reduce the dust adhering to the anti-static cloth 811 and then falling back into the packaging bag, thereby ensuring better dust removal effect.

[0058] The edge of the large end of the anti-static cloth 811 and the edge of the bag opening of the dust removal bag 8 are connected by a telescopic cloth with a tension sensor embedded in it; the telescopic cloth is a ring-shaped structure and is elastic; the detection ends of the tension sensor are respectively connected to the edge of the large end of the anti-static cloth 811 and the edge of the bag opening of the dust removal bag 8.

[0059] After the negative pressure suction component 10 is turned on, the anti-static cloth 811 expands under the action of the suction force, and at the same time, the anti-static cloth 811 applies an upward pulling force to the tension sensor. Therefore, during the normal dust removal process, the tension value of the tension sensor is within a preset range. When the elastic rope 812 is disconnected, the tension value of the tension sensor will suddenly become very small. After the tension sensor transmits an electrical signal to the controller, the controller controls the alarm through the electrical signal and displays an indication of the disconnection of the elastic rope 812 on the terminal; when a certain amount of dust adheres to the anti-static cloth 811 and the elastic rope 812, the blocking effect of the anti-static cloth 811 on the suction is increased, thereby increasing the tension generated by the anti-static cloth 811 after the suction force acts on it, thereby causing the tension value of the tension sensor to exceed the preset range. After the tension sensor transmits an electrical signal to the controller, the controller controls the alarm through the electrical signal and displays an indication of dust accumulation on the anti-static cloth 811 on the terminal. In this case, a tension sensor is installed between the edge of the large opening of the anti-static cloth 811 and the edge of the bag opening of the dust bag 8. The tension sensor then uses the tension applied by the anti-static cloth 811 to detect whether the anti-backflow structure 81 is functioning properly. This allows for timely and accurate alarms and notifications of fault points, facilitating prompt and rapid repairs by maintenance personnel, thereby improving equipment maintenance efficiency. Furthermore, because damage to the dust removal function can be detected promptly, the stability of the dust removal effect is also improved.

[0060] The first telescopic component 4 includes a first electric push rod; the output end of the first electric push rod is connected to the upper end of the connecting sleeve 2; the cylinder of the first electric push rod is fixedly connected to the discharge valve 1;

[0061] like Figures 5 and 6 As shown, the second telescopic component 6 includes a second electric push rod 61 and a sliding hinge seat 62; a sliding groove is set on the mounting plate 9 at a position corresponding to the swing rod 5; the sliding hinge seat 62 is slidably connected in the sliding groove; one end of the sliding hinge seat 62 is hinged to the upper end of the swing rod 5 through a hinge part; the other end of the sliding hinge seat 62 is connected to the output end of the second electric push rod 61; the cylinder body of the second electric push rod 61 is fixedly connected to the mounting plate 9.

[0062] The first electric push rod and the second electric push rod 61 are both connected to the controller via electrical signals.

[0063] like Figure 1 As shown, the packaging device further includes a conveyor line 11 and an opening mechanism 12; the conveyor line 11 is arranged below the discharge valve 1; a limit frame 111 for placing packaging bags is provided at one end of the conveyor line 11; an anti-fall frame 112 is provided at the other end of the conveyor line 11; the opening mechanism 12 is symmetrically arranged on both sides of the conveyor line 11;

[0064] The opening mechanism 12 includes a transposition unit 121, a telescopic unit 122 and an adsorption unit 123; the transposition unit 121 is connected to the side of the conveyor line 11; the transposition unit 121 is used to drive the telescopic unit 122 to move and transpose; the telescopic unit 122 is used to drive the adsorption unit 123 to extend and retract; the adsorption unit 123 is used to adsorb the packaging bag.

[0065] The packaging bags are evenly spaced between the two limit frames 111 on the conveyor line 11, and then move to one end of the limit frame 111 along the conveyor line 11. The sensor in the opening mechanism 12 waiting there detects the approach of the packaging bag and transmits an electrical signal to the controller. The controller controls the telescopic unit 122 to drive the adsorption unit 123 to extend through the electrical signal. When the adsorption unit 123 contacts the packaging bag, the controller controls the adsorption mechanism to adsorb the packaging bag through the electrical signal. At the same time when the adsorption unit 123 contacts the packaging bag, the controller controls the transposition unit 121 through the electrical signal to drive the telescopic unit 122 to keep moving synchronously with the conveyor line 11. When the packaging bag moves to the bottom of the discharge valve 1, the controller controls the conveyor line 11 to stop. At the same time, the controller controls the telescopic units 122 on both sides to contract synchronously, thereby realizing the opening of the packaging bag. Subsequently, the controller controls the first telescopic component 4 and the second telescopic component 6 to drive the lower end of the swing rod 5 to retract and then open, thereby realizing the opening of the packaging bag to be opened and fixed. Then the controller controls the transposition unit 121 to move to the position of the waiting packaging bag, and then controls the telescopic unit 122 and the adsorption unit 123 to adsorb the waiting packaging bag, and waits for the previous packaging bag to be loaded. The controller controls the conveyor line 11 to move the packaging bag loaded with short glass fiber between the two anti-fall frames 112. At the same time, the controller controls the transposition unit 121 to drive the telescopic unit 122 and the waiting packaging bag to move to the bottom of the discharge valve 1. The controller then controls the telescopic unit 122 to open the bag mouth of the packaging bag and wait for the swing rod 5 to be opened and fixed. The above operations are repeated to realize automatic bagging and automatic loading, thereby avoiding the harm of short glass fiber to the human body, and improving the efficiency of bagging, thereby improving the packaging efficiency of short glass fiber materials.

[0066] like Figures 1 to 9 As shown, a glass fiber packaging method includes the following steps:

[0067] S1: Place the packaging bags evenly spaced between the two limit racks 111 on the conveyor line 11, and then follow the conveyor line 11 to move to one end of the limit rack 111. The sensor in the opening mechanism 12 waiting there detects that the packaging bag is approaching and transmits an electrical signal to the controller. The controller controls the telescopic unit 122 to drive the adsorption unit 123 to extend through the electrical signal. When the adsorption unit 123 contacts the packaging bag, the controller controls the adsorption mechanism to adsorb the packaging bag through the electrical signal. At the same time when the adsorption unit 123 contacts the packaging bag, the controller controls the transposition unit 121 through the electrical signal to drive the telescopic unit 122 to keep moving synchronously with the conveyor line 11. Then, when the packaging bag moves to the bottom of the discharge valve 1, the controller controls the conveyor line 11 to stop. At the same time, the controller controls the telescopic units 122 on both sides to contract synchronously, thereby realizing the opening of the bag.

[0068] S2: The controller controls the first telescopic component 4 via an electrical signal to drive the connecting sleeve 2 upward, thereby driving the limit pin on the support plate 3 to slide along the limit groove of the swing rod 5. At the same time, the controller controls the second telescopic component 6 via an electrical signal to drive the swing rod 5 toward the periphery of the mounting plate 9. Through the above dual control in the vertical and horizontal directions, the lower ends of the swing rod 5 are retracted and moved closer to each other, and the elastic cloth 7 sleeved on the outer side of the swing rod 5 is also deformed into an inverted cone shape, thereby facilitating the insertion of the lower end of the swing rod 5 into the opened mouth of the packaging bag;

[0069] S3: After the lower end of the swing rod 5 is inserted into the bag opening of the packaging bag, the controller controls the first telescopic component 4 to drive the connecting sleeve 2 to move downward, thereby driving the limit pin to slide downward along the limit groove. At the same time, the controller controls the second telescopic component 6 to drive the upper end of the swing rod 5 to approach the edge of the mounting plate 9. Then, under the dual control of the vertical and horizontal directions, the lower end of the swing rod 5 quickly supports the bag opening of the packaging bag and communicates with the interior of the packaging bag through the elastic cloth 7 sleeved on the outer side of the swing rod 5.

[0070] S4: The controller then controls the transposition unit 121 to move to the position of the waiting packaging bag, and then controls the telescopic unit 122 and the adsorption unit 123 to adsorb the waiting packaging bag, waiting for the previous packaging bag to be loaded;

[0071] S5: After completing the connection with the packaging bag, the controller controls the negative pressure suction component 10 to work through an electrical signal, and then the negative pressure suction component 10 sucks the space surrounded by the support plate 3, the mounting plate 9 and the elastic cloth 7. After the negative pressure suction component 10 is turned on, the controller controls the discharge valve 1 to open through an electrical signal, and then the short glass fiber material transported in the discharge pipe is transported from the discharge valve 1 to the packaging bag below. During the process, the opened negative pressure suction component 10 sucks the short glass fiber material falling from the discharge valve 1.

[0072] S6: After the loading is completed, the controller controls the first telescopic component 4 through an electrical signal to drive the connecting sleeve 2 to move upward, thereby driving the limit pin on the support plate 3 to slide along the upper limit groove of the swing rod 5. At the same time, the controller controls the second telescopic component 6 through an electrical signal to drive the swing rod 5 to move toward the periphery of the mounting plate 9. Through the above dual control in the vertical and horizontal directions, the lower ends of the swing rods 5 are retracted and moved closer to each other;

[0073] S7: After the lower ends of the swinging rods 5 are retracted and moved closer to each other, the controller controls the conveyor line 11 to move the packaging bag filled with short glass fibers between the two anti-fall frames 112. At the same time, the controller controls the transposition unit 121 to drive the telescopic unit 122 and the waiting packaging bag to move to the bottom of the discharge valve 1. The controller then controls the telescopic unit 122 to open the bag opening of the packaging bag.

[0074] S8: loop the steps of S2-S7.

[0075] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which are protected by the present invention.

Claims

1. A packaging device for glass fiber production, characterized by: The invention comprises a discharge valve (1), a connecting sleeve (2), a support plate (3), a first telescopic component (4), a swing rod (5), a second telescopic component (6), an elastic cloth (7), a dust removal bag (8), a mounting plate (9) and a negative pressure suction component (10); the discharge valve (1) is installed below the discharge port; the connecting sleeve (2) is sleeved on the outer side of the discharge valve (1); the first telescopic component (4) is used to drive the connecting sleeve (2) to move vertically; the supporting plate (3) is fixedly connected to the bottom of the connecting sleeve (2); The dust removal bags (8) are evenly spaced apart on the support plate (3); the inlet edge of the dust removal bag (8) is connected to the edge of the hole of the support plate (3); the mounting plate (9) is arranged above the support plate (3); the mounting plate (9) is fixedly connected to the discharge pipe; the swing rods (5) are evenly spaced apart at the edge of the mounting plate (9); the upper end of the swing rod (5) is hinged to the output end of the second telescopic component (6); the second telescopic component (6) is connected to the mounting plate (9); and limiting grooves are symmetrically arranged on both side surfaces of the swing rod (5); The support plate (3) is polygonal in shape, and a limiting pin is provided at the corner of the support plate (3); the protruding end of the limiting pin slides in the limiting groove; the elastic cloth (7) is sleeved on the outer side of the swing rod (5); the elastic cloth (7) covers the area between the support plate (3) and the mounting plate (9); a suction hole is provided on the mounting plate (9), and the outside of the suction hole is connected to the negative pressure suction component (10); the negative pressure suction component (10) is used to suction the space surrounded by the support plate (3), the mounting plate (9) and the elastic cloth (7).

2. A glass fiber production packaging device according to claim 1, characterized in that: Slits (71) are evenly spaced vertically along the outer side of the lower edge of the elastic cloth (7).

3. The glass fiber packaging device according to claim 1, characterized in that: The inner side of the swing rod (5) is slidably connected to the support rod (51); the support rod (51) is provided with gear teeth (511); the gear teeth (511) on the support rod (51) are meshed with the gears on the output shaft of the first motor (53) through the gear set (52) for transmission.

4. A glass fiber production packaging device according to claim 3, characterized in that: The lower end of the support rod (51) is connected to an elastic support strip (54); the outer diameter of the elastic support strip (54) is smaller than the outer diameter of the support rod (51).

5. The glass fiber production packaging device according to claim 1, characterized in that: An anti-backflow structure (81) is provided inside the dust removal bag (8).

6. The glass fiber packaging device according to claim 5, characterized in that: The anti-backflow structure (81) comprises an anti-static cloth (811) and an elastic rope (812); the anti-static cloth (811) is funnel-shaped; the large end edge of the anti-static cloth (811) is connected to the bag edge of the dust removal bag (8); and the small end edge of the anti-static cloth (811) is connected to the ring-shaped elastic rope (812).

7. The glass fiber packaging device according to claim 6, characterized in that: The edge of the large end of the antistatic cloth (811) and the edge of the bag opening of the dust removal bag (8) are connected via a retractable cloth embedded with a tension sensor; the retractable cloth is a ring-shaped structure and has elasticity; the detection ends of the tension sensor are respectively connected to the edge of the large end of the antistatic cloth (811) and the edge of the bag opening of the dust removal bag (8).

8. The glass fiber packaging device according to claim 1, characterized in that: The first telescopic component (4) includes a first electric push rod; the output end of the first electric push rod is connected to the upper end of the connecting sleeve (2); the cylinder body of the first electric push rod is fixedly connected to the discharge valve (1); The second telescopic component (6) includes a second electric push rod (61) and a sliding hinge seat (62); a sliding groove is provided on the mounting plate (9) at a position corresponding to the swing rod (5); the sliding hinge seat (62) is slidably connected in the sliding groove; one end of the sliding hinge seat (62) is hinged to the upper end of the swing rod (5) through a hinge portion; the other end of the sliding hinge seat (62) is connected to the output end of the second electric push rod (61); and the cylinder body of the second electric push rod (61) is fixedly connected to the mounting plate (9).

9. The glass fiber packaging device according to claim 1, characterized in that: It also includes a conveying line (11) and an opening mechanism (12); the conveying line (11) is arranged below the discharge valve (1); a limiting frame (111) for placing packaging bags is arranged at one end of the conveying line (11); an anti-falling frame (112) is arranged at the other end of the conveying line (11); the opening mechanism (12) is symmetrically arranged on both sides of the conveying line (11); The opening mechanism (12) comprises a transposition unit (121), a telescopic unit (122) and a suction unit (123); the transposition unit (121) is connected to the side of the conveying line (11); the transposition unit (121) is used to drive the telescopic unit (122) to move and transpose; the telescopic unit (122) is used to drive the suction unit (123) to extend and retract; and the suction unit (123) is used to suction the packaging bag.

10. A glass fiber packaging method, applicable to any one of claims 1-9, characterized in that: The steps include: S1: The packaging bags are evenly spaced between two limit racks (111) on the conveyor line (11), and then move along the conveyor line (11) to one end of the limit rack (111). The sensor in the opening mechanism (12) waiting there detects that the packaging bag is approaching and transmits an electric signal to the controller. The controller controls the telescopic unit (122) to drive the adsorption unit (123) to extend through the electric signal. When the adsorption unit (123) contacts the packaging bag, the controller controls the adsorption mechanism to adsorb the packaging bag through the electric signal. When the adsorption unit (123) contacts the packaging bag, the controller controls the transposition unit (121) to drive the telescopic unit (122) to keep moving synchronously with the conveyor line (11). When the packaging bag moves to the bottom of the discharge valve (1), the controller controls the conveyor line (11) to stop. At the same time, the controller controls the telescopic units (122) on both sides to contract synchronously, thereby realizing opening the bag mouth of the packaging bag. S2: The controller controls the first telescopic component (4) through an electric signal to drive the connecting sleeve (2) to move upward, thereby driving the limit pin on the support plate (3) to slide along the upper limit slot of the swing rod (5). At the same time, the controller controls the second telescopic component (6) through an electric signal to drive the swing rod (5) to move toward the periphery of the mounting plate (9). Through the above dual control in the vertical and horizontal directions, the lower ends of the swing rod (5) are brought together and close to each other, and the elastic cloth (7) sleeved on the outer side of the swing rod (5) is also deformed into an inverted cone shape, thereby facilitating the lower end of the swing rod (5) to be inserted into the opened packaging bag mouth. S3: After the lower end of the swing rod (5) is inserted into the bag opening of the packaging bag, the controller controls the first telescopic component (4) to drive the connecting sleeve (2) to move downward, thereby driving the limit pin to slide downward along the limit groove. At the same time, the controller controls the second telescopic component (6) to drive the upper end of the swing rod (5) to approach the edge of the mounting plate (9), thereby enabling the lower end of the swing rod (5) to quickly support the bag opening of the packaging bag under dual control in the vertical and horizontal directions and to communicate with the interior of the packaging bag by utilizing the elastic cloth (7) sleeved on the outer side of the swing rod (5); S4: The controller then controls the transposition unit (121) to move to the position where the waiting packaging bag is located, and the controller then controls the telescopic unit (122) and the adsorption unit (123) to adsorb the waiting packaging bag, and waits for the previous packaging bag to be loaded; S5: After the connection with the packaging bag is completed, the controller controls the negative pressure suction component (10) to work through an electrical signal, and then the negative pressure suction component (10) sucks the space surrounded by the support plate (3), the mounting plate (9) and the elastic cloth (7). After the negative pressure suction component (10) is turned on, the controller controls the discharge valve (1) to open through an electrical signal, and then the short glass fiber material transported in the discharge pipe is transported from the discharge valve (1) to the packaging bag below. During the process, the opened negative pressure suction component (10) sucks the short glass fiber material falling from the discharge valve (1); S6: After the loading is completed, the controller controls the first telescopic component (4) through an electrical signal to drive the connecting sleeve (2) to move upward, thereby driving the limit pin on the support plate (3) to slide along the upper limit groove of the swing rod (5). At the same time, the controller controls the second telescopic component (6) through an electrical signal to drive the swing rod (5) to move toward the periphery of the mounting plate (9). Through the above dual control in the vertical and horizontal directions, the lower ends of the swing rods (5) are brought closer to each other; S7: After the lower ends of the swinging rods (5) are retracted and moved closer to each other, the controller controls the conveyor line (11) to move the packaging bag filled with short glass fibers between the two anti-fall frames (112). At the same time, the controller controls the transposition unit (121) to drive the telescopic unit (122) and the waiting packaging bag to move to the bottom of the discharge valve (1). The controller then controls the telescopic unit (122) to open the bag mouth of the packaging bag. S8: loop the steps of S2-S7.

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