A raw material feeding device for bubble film production

Abstract

The utility model relates to the technical field of bubble film production, and proposes a raw material feeding device for bubble film production, comprising a feeding barrel, the output end of the servo motor extends to the interior of the feeding barrel and is fixedly connected with a spiral feeding rod through a coupling, one side of the top end of the feeding barrel is fixedly connected with a conveying pipe, the other side of the bottom end of the feeding barrel is fixedly connected with a slag discharge pipe, the bottom end of the feeding barrel inside the mounting groove is fixedly connected with a filter screen through bolts, and one side of the bottom end of the feeding box is fixedly connected with the feeding pipe, through the arranged spiral feeding rod, feeding pipe, feeding box, slag discharge pipe, servo motor and filter screen, the filter screen is used to screen the powder raw material entering the feeding barrel, and at the same time, larger granular impurities will be rotated by the spiral feeding rod and transported upward to the slag discharge pipe for discharge, thereby realizing the action of feeding and discharging impurities at the same time, avoiding the cumbersome and inconvenient traditional need to stop the machine to clean the filter screen, and improving the working efficiency of feeding the bubble film raw materials.

Description

Technical Field

[0001] The utility model relates to the technical field of bubble film production, in particular to a raw material feeding device for bubble film production. Background Art

[0002] Bubble film is a plastic packaging material with high-pressure polyethylene as the main raw material. Its main feature is that it has air bubbles on the surface, which can play a role in cushioning, shockproofing, moisture-proofing, and corrosion resistance. Therefore, it is often used to package fragile items. It has a wide range of applications in many fields nowadays. During the production and processing of bubble film, different powdered raw materials need to be loaded through vacuum adsorption.

[0003] After searching, the existing patent (Announcement No.: CN215853936U) discloses a raw material feeding device for bubble film production, including a feeding pipe, an air pump and a feeding box, the feeding box is arranged on the bottom plate, the bottom plate is provided with a raw material outlet and a slag outlet, the feeding box is connected with a fixed plate, the fixed plate is connected with a filter connecting plate, the filter connecting plate is connected with a filter, the bottom plate is fixedly connected with a driving motor, the motor shaft of the driving motor is connected with a lead screw, a slider is arranged on the lead screw, the lower end of the slider is fixedly connected with a connecting rod, the connecting rod passes through one end of the feeding box and is connected with a connecting plate, the connecting plate is connected with a telescopic plate, the lower end of the telescopic plate is connected with a cleaning brush, the lower part of the filter connecting plate is provided with a slag outlet channel for the telescopic plate and the cleaning brush to move, and the filter connecting plate is connected with a driving hydraulic cylinder. The utility model can clean the impurities on the filter net and sweep the impurities out from the slag outlet, and the filter net can move up and down to shake off the powder stuck on it.

[0004] However, in the above scheme, it is inconvenient to filter and feed continuously. During the continuous feeding process, when the filter is blocked by large particles of impurities, it is necessary to stop the machine to scrape and clean the filter. If the machine is not stopped, qualified powder will inevitably be discharged together. However, the shutdown for cleaning will affect the feeding rate, thereby affecting the work efficiency of bubble film production.

[0005] In view of this, the utility model provides a raw material feeding device for producing bubble films. Summary of the invention

[0006] The utility model provides a raw material feeding device for producing bubble films, which solves the problem of inconvenience in continuous filtering and feeding in the related technology.

[0007] The technical solution of the utility model is as follows: a raw material feeding device for bubble film production comprises a feeding barrel, legs are fixedly connected to both sides of the bottom end of the feeding barrel, a servo motor is fixedly connected to one side of the feeding barrel, the output end of the servo motor extends to the inside of the feeding barrel and is fixedly connected to a spiral feeding rod through a coupling, a feeding pipe is fixedly connected to one side of the top end of the feeding barrel, a slag discharge pipe is fixedly connected to the other side of the bottom end of the feeding barrel, a mounting groove is provided at the bottom end of the feeding barrel, and the bottom end of the feeding barrel inside the mounting groove is fixedly connected by bolts There is a filter screen, and the bottom end of the feeding barrel is fixedly connected to a feeding box, one side of the bottom end of the feeding box is fixedly connected to a feeding pipe, and the other side of the bottom end of the feeding box is provided with a vibration component. By starting the servo motor to drive the spiral feeding rod to rotate slowly, the powder raw material can be filtered and screened through the filter screen, so that suitable powder raw materials fall into the feeding box, while larger granular impurities are transported upward as the spiral feeding rod rotates until they are discharged from the slag discharge pipe, realizing the action of loading and removing impurities at the same time, avoiding the cumbersome and inconvenient traditional method of stopping the machine to clean the filter screen.

[0008] Preferably, the inclination angle of the upper barrel to the horizontal direction is thirty degrees, and the bottom end of the upper barrel and the top end of the support leg are welded into an integrated structure to prevent the suitable powder raw materials from being transported upward to the slag discharge pipe for discharge, thereby improving the effect of the filter net on filtering and screening the powder raw materials.

[0009] Preferably, the filter screen has an arc shape in a side view, and a snap-fit ​​structure is formed between the upper end of the filter screen and the inside of the installation slot, so as to facilitate the fit with the inside of the installation slot and better filter and screen the powder raw materials.

[0010] Preferably, a guide plate is fixedly connected to the inner bottom wall of the feeding box, and the cross-section of the guide plate is in the shape of a right triangle, so that the powdered raw materials after filtering and screening can be discharged from the feeding pipe faster and more conveniently.

[0011] Preferably, the vibration assembly includes a sliding rod, the sliding rod is fixedly connected to two ends of one side of the bottom end of the feeding box, a fixed spring is wound around the surface of the sliding rod at the bottom end of the feeding box, a sliding plate is fixedly connected to the surface of the sliding rod at the bottom end of the fixed spring, the two ends of the top end of the sliding plate are fixedly connected to rubber blocks, and a fixed block is fixedly connected to the middle position of the bottom end of the sliding plate, and the bottom end of the feeding box on one side of the sliding plate is fixedly connected to a micro motor, and the output end of the micro motor is fixedly connected to a cam through a coupling, and the cam is rotated by the operation of the micro motor and periodically contacts with the fixed block for rotation, and the elastic force of the fixed spring is used to make the sliding plate slide back and forth to drive the rubber block to periodically impact the bottom end of the feeding box, so that the guide plate can vibrate to guide the discharge, reduce the residue of powder raw materials on the surface of the guide plate or the blockage in the feeding tube, and improve its discharge rate.

[0012] Preferably, the cam and the fixed block are in the same vertical plane, and the cross-section of the fixed block is arc-shaped, so that the fixed block can more easily rotate in contact with the cam to drive the sliding plate and the rubber block to slide up and down.

[0013] Preferably, a sliding structure is formed between the sliding plate and the surface of the sliding rod, and the top end of the sliding plate is fixedly connected to the bottom end of the fixed spring, so as to improve the smoothness of the sliding plate driving the rubber block to slide up and down.

[0014] Preferably, the rubber block is cylindrical in shape and is fixedly connected to the top of the sliding plate by bolts, which facilitates flexible contact with the bottom of the loading box, and the damaged rubber block can be disassembled and replaced to ensure subsequent good vibration discharge of the bottom of the loading box.

[0015] The working principle and beneficial effects of the utility model are:

[0016] The utility model provides a spiral feeding rod, a feeding pipe, a feeding box, a slag discharge pipe, a servo motor and a filter screen, and the bubble film powder raw material is conveyed from the feeding pipe to the inside of the feeding barrel through a negative pressure vacuum machine, etc. At this time, the servo motor is started to drive the spiral feeding rod to rotate slowly, and the powder raw material can be filtered and screened through the filter screen, so that the suitable powder raw material falls into the inside of the feeding box, and the larger particle impurities can only be conveyed upward with the rotation of the spiral feeding rod until they are discharged from the slag discharge pipe, and the inclined feeding barrel can prevent the suitable powder raw material from being conveyed upward to the slag discharge pipe for discharge, so as to realize the action of loading and removing impurities at the same time, avoid the cumbersome and inconvenient traditional need to stop the machine to clean the filter screen, improve the working efficiency of the bubble film raw material feeding, facilitate the continuous and smooth feeding operation, thereby realizing the effect of facilitating continuous filtering and feeding;

[0017] The utility model uses a vibration component to start a micro motor to drive the cam to rotate when the feeding tube is discharging materials, and the cam is periodically contacted with the fixed block. The elastic force of the fixed spring is used to make the sliding plate slide back and forth to drive the rubber block to periodically impact the bottom end of the feeding box, so that the guide plate can vibrate to guide the discharge, reduce the residue of powder raw materials on the surface of the guide plate or the blockage in the feeding tube, ensure that the powder raw materials after filtration and screening can be discharged more thoroughly, improve its discharge rate, facilitate the subsequent production and processing of bubble film, and improve its practicability, thereby achieving the effect of facilitating vibration and preventing blockage in discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0020] Figure 2It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the overall structure of the utility model when viewed from above;

[0022] Figure 4 This is a schematic diagram of the partial explosion structure of the loading barrel of the utility model;

[0023] Figure 5 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0024] In the figure: 1. feeding pipe; 2. spiral feeding rod; 3. feeding barrel; 4. feeding pipe; 5. supporting leg; 6. feeding box; 7. vibration assembly; 701. micro motor; 702. cam; 703. sliding plate; 704. fixing spring; 705. sliding rod; 706. fixing block; 707. rubber block; 8. slag discharge pipe; 9. servo motor; 10. filter screen; 11. guide plate; 12. mounting groove. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0026] The preferred embodiment of the raw material feeding device for bubble film production provided by the utility model is as follows Figures 1 to 5 As shown: a raw material feeding device for bubble film production, including a feeding barrel 3, legs 5 are fixedly connected to both sides of the bottom of the feeding barrel 3, a servo motor 9 is fixedly connected to one side of the feeding barrel 3, the output end of the servo motor 9 extends to the inside of the feeding barrel 3 and is fixedly connected to a spiral feeding rod 2 through a coupling, a feeding pipe 1 is fixedly connected to one side of the top of the feeding barrel 3, a slag discharge pipe 8 is fixedly connected to the other side of the bottom of the feeding barrel 3, a mounting groove 12 is opened at the bottom of the feeding barrel 3, a filter screen 10 is fixedly connected to the bottom of the feeding barrel 3 inside the mounting groove 12 by bolts, and the feeding barrel 3 is fixedly connected to the bottom of the feeding barrel 3. The bottom end of the cylinder 3 is fixedly connected to a feeding box 6, one side of the bottom end of the feeding box 6 is fixedly connected to a feeding pipe 4, and the other side of the bottom end of the feeding box 6 is provided with a vibration assembly 7. By starting the servo motor 9 to drive the spiral feeding rod 2 to rotate slowly, the powder raw material can be filtered and screened through the filter screen 10 at this time, so that the suitable powder raw material falls into the feeding box 6, and the larger granular impurities are transported upward with the rotation of the spiral feeding rod 2 until they are discharged from the slag discharge pipe 8, realizing the action of loading and removing impurities at the same time, avoiding the cumbersome and inconvenient traditional method of stopping the machine to clean the filter screen 10.

[0027] In this embodiment, the inclination angle of the upper barrel 3 to the horizontal direction is thirty degrees, and the bottom end of the upper barrel 3 and the top end of the support leg 5 are welded into an integrated structure. The inclined upper barrel 3 can prevent the suitable powder raw materials from being transported upward to the slag discharge pipe 8 for discharge.

[0028] In this embodiment, the shape of the filter screen 10 in the side view is arc-shaped, and a snap-fit ​​structure is formed between the upper end of the filter screen 10 and the inside of the installation groove 12. The arc-shaped filter screen 10 is convenient for fitting with the inside of the installation groove 12, thereby facilitating the subsequent filtering and screening of the powder raw materials.

[0029] In this embodiment, a material guide plate 11 is fixedly connected to the inner bottom wall of the feeding box 6, and the cross-section of the material guide plate 11 is a right triangle. By guiding the right triangle material guide plate 11, the filtered and screened powder raw materials can be discharged from the feeding pipe 4 faster and more conveniently. Example 2

[0030] On the basis of Example 1, a preferred embodiment of the raw material feeding device for bubble film production provided by the utility model is as follows Figures 1 to 5 As shown: the vibration component 7 includes a slide bar 705, the slide bar 705 is fixedly connected to the two ends of one side of the bottom end of the loading box 6, the surface of the slide bar 705 at the bottom end of the loading box 6 is wound with a fixed spring 704, the surface of the slide bar 705 at the bottom end of the fixed spring 704 is fixedly connected to a sliding plate 703, the two ends of the top of the sliding plate 703 are fixedly connected to rubber blocks 707, the middle position of the bottom end of the sliding plate 703 is fixedly connected to a fixed block 706, and the bottom end of the loading box 6 on one side of the sliding plate 703 is fixedly connected to a micro motor 701 The output end of the micro motor 701 is fixedly connected to the cam 702 through a coupling. When the feeding tube 4 is discharging materials, the micro motor 701 can be used to make the cam 702 rotate and periodically contact with the fixed block 706. The elastic force of the fixed spring 704 is used to make the sliding plate 703 slide back and forth to drive the rubber block 707 to periodically impact the bottom end of the feeding box 6, so that the guide plate 11 can vibrate to guide the discharge, thereby reducing the residual powder raw material on the surface of the guide plate 11 or the blockage inside the feeding tube 4.

[0031] In this embodiment, the cam 702 and the fixed block 706 are in the same vertical plane, and the cross-section of the fixed block 706 is arc-shaped. The arc-shaped fixed block 706 in the same vertical plane makes it easier to rotate and contact with the cam 702 to drive the sliding plate 703 and the rubber block 707 to slide up and down.

[0032] In this embodiment, a sliding structure is formed between the sliding plate 703 and the surface of the sliding rod 705. The top end of the sliding plate 703 is fixedly connected to the bottom end of the fixed spring 704. The sliding between the sliding plate 703 and the surface of the sliding rod 705 is utilized to improve the smoothness of the sliding plate 703 driving the rubber block 707 to slide up and down.

[0033] In this embodiment, the rubber block 707 is cylindrical in shape, and the rubber block 707 is fixedly connected to the top of the sliding plate 703 by bolts. The cylindrical rubber block 707 fixed by bolts facilitates flexible contact with the bottom end of the loading box 6, and the damaged rubber block 707 can be disassembled and replaced to ensure subsequent good vibration discharge of the bottom end of the loading box 6.

[0034] The working principle and use process of the utility model are as follows: first, the bottom end of the feeding tube 4 is connected to the feeding port of the bubble film production equipment, and then the bubble film powder raw material is conveyed from the feeding tube 1 to the inside of the feeding barrel 3 through a negative pressure vacuum machine, etc. At this time, the servo motor 9 is started to drive the spiral feeding rod 2 to rotate slowly. At this time, the powder raw material can be filtered and screened through the filter screen 10, so that the suitable powder raw material falls into the feeding box 6, and the larger particle impurities cannot pass through the holes on the filter screen 10, so that they can only be conveyed upward with the rotation of the spiral feeding rod 2 until they are discharged from the slag discharge pipe 8, and the inclined feeding barrel 3 can prevent the suitable powder raw material from being conveyed upward to the slag discharge pipe 8 for discharge, so as to realize the action of loading and removing impurities at the same time, avoiding the cumbersome inconvenience of cleaning the filter screen 10 in the traditional way, and improving the working efficiency of feeding the bubble film raw material;

[0035] At the same time, the powder raw materials filtered and screened inside the feeding box 6 can be guided by the right-angled triangle guide plate 11, so that they can be discharged from the feeding tube 4 faster and more conveniently, and when the feeding tube 4 is discharging, the micro motor 701 can be started to drive the cam 702 to rotate, and periodically rotate and contact with the fixed block 706, so that the sliding plate 703 slides on the surface of the slide rod 705 to compress the fixed spring 704 until the top of the rubber block 707 collides with the bottom of the feeding box 6. After the cam 702 rotates away, the elastic force of the fixed spring 704 is used to make the sliding plate 703 slide down and return to its original position, and then the sliding plate 703 slides back and forth to drive the rubber block 707 to periodically impact the bottom of the feeding box 6, so that the guide plate 11 can vibrate to guide the discharge, reduce the residue of powder raw materials on the surface of the guide plate 11 or blockage in the feeding tube 4, and improve its discharge rate.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A raw material feeding device for bubble film production, comprising a feeding cylinder (3), characterized in that: The two sides of the bottom end of the upper barrel (3) are fixedly connected with supporting legs (5), one side of the upper barrel (3) is fixedly connected with a servo motor (9), the output end of the servo motor (9) extends into the interior of the upper barrel (3) and is fixedly connected with a spiral feeding rod (2) via a coupling, one side of the top end of the upper barrel (3) is fixedly connected with a conveying pipe (1), the other side of the bottom end of the upper barrel (3) is fixedly connected with a slag discharge pipe (8), the bottom end of the upper barrel (3) is provided with a mounting groove (12), the bottom end of the upper barrel (3) inside the mounting groove (12) is fixedly connected with a filter screen (10) via bolts, the bottom end of the upper barrel (3) is fixedly connected with a loading box (6), one side of the bottom end of the loading box (6) is fixedly connected with a loading pipe (4), and the other side of the bottom end of the loading box (6) is provided with a vibration component (7).

2. A raw material feeding device for bubble film production according to claim 1, characterized in that: The inclination angle of the loading barrel (3) with respect to the horizontal direction is thirty degrees, and the bottom end of the loading barrel (3) and the top end of the supporting leg (5) are welded into an integrated structure.

3. A raw material feeding device for bubble film production according to claim 1, characterized in that: The filter screen (10) is arc-shaped in a side view, and a snap-fit ​​structure is formed between the upper end of the filter screen (10) and the interior of the installation groove (12).

4. A raw material feeding device for bubble film production according to claim 1, characterized in that: A material guide plate (11) is fixedly connected to the inner bottom wall of the loading box (6); the cross-section of the material guide plate (11) is in the shape of a right triangle.

5. A raw material feeding device for bubble film production according to claim 1, characterized in that: The vibration component (7) comprises a sliding rod (705), wherein the sliding rod (705) is fixedly connected to two ends of one side of the bottom end of the loading box (6), a fixed spring (704) is wound around the surface of the sliding rod (705) at the bottom end of the loading box (6), a sliding plate (703) is fixedly connected to the surface of the sliding rod (705) at the bottom end of the fixed spring (704), a rubber block (707) is fixedly connected to the two ends of the top end of the sliding plate (703), a fixed block (706) is fixedly connected to the middle position of the bottom end of the sliding plate (703), a micro motor (701) is fixedly connected to the bottom end of the loading box (6) on one side of the sliding plate (703), and an output end of the micro motor (701) is fixedly connected to a cam (702) via a coupling.

6. A raw material feeding device for bubble film production according to claim 5, characterized in that: The cam (702) and the fixing block (706) are located in the same vertical plane, and the cross-section of the fixing block (706) is in an arc shape.

7. A raw material feeding device for bubble film production according to claim 5, characterized in that: A sliding structure is formed between the surfaces of the sliding plate (703) and the sliding rod (705), and the top end of the sliding plate (703) is fixedly connected to the bottom end of the fixing spring (704).

8. A raw material feeding device for producing bubble film according to claim 5, characterized in that: The rubber block (707) is cylindrical in shape, and is fixedly connected to the top end of the sliding plate (703) via bolts.

Images