Raw material proportioning and conveying equipment for film blowing machine

Abstract

The raw material proportioning and conveying equipment for the film blowing machine comprises a fixing block and a conveying mechanism, the upper end of the fixing block is fixedly connected with a storage barrel, one side of the storage barrel is fixedly connected with a material guiding pipe, the interior of the storage barrel is communicated with the interior of the material guiding pipe, and a discharging opening is formed in one side of the upper end of the material guiding pipe; a first motor is fixedly connected to one side of the material guiding pipe, a threaded feeding rod is fixedly connected to the output end of the first motor, the side, located on the material guiding pipe, of the storage barrel makes contact with a circular frame, and material scattering holes are evenly formed in one side of the circular frame; the spiral feeding rod is installed on one side of the containing cylinder to limit the falling speed of plastic particles, meanwhile, the material scattering holes are formed in one side of the rotating circular frame to further control the discharging speed and enable raw materials to collide with one another, and then dust is guided through the guiding fan. And then the weighed plastic particles are moved to the discharging opening through the first push rod, the sealing plate is automatically unfolded under the force of the torsional spring, and the raw materials are accurately conveyed.

Description

Technical Field

[0001] The utility model relates to the technical field of film blowing machines, in particular to raw material proportioning and conveying equipment for film blowing machines. Background Art

[0002] The film blowing machine is a device used for the production of plastic film. It mainly heats and melts plastic particles and then blows them into film through airflow. In the process of film making, it is necessary to prepare a variety of raw materials and mix the raw materials, and then mix them after weighing.

[0003] According to the Chinese patent announcement number CN213947416U "A raw material proportioning and conveying device for film blowing machine for conductive packaging production", it mainly describes that the feed ratio of each raw material is controlled by the control alarm system, which solves the problem that when using film blowing machine to produce conductive packaging bags, the performance of the blown film is very different due to the different types and proportions of plastic particles in the raw materials. In the process of proportioning and conveying plastic film raw materials, the material falls from the raw material storage box due to gravity, and the falling speed is difficult to control, which makes it difficult to control the accuracy of the proportioning.

[0004] Therefore, a raw material proportioning and conveying device for a film blowing machine is proposed to solve the problem that during the proportioning and conveying process of plastic film raw materials, the material falls from the raw material storage box due to gravity, and the falling speed is difficult to control, resulting in troublesome accuracy control during proportioning. Utility Model Content

[0005] The technical problem to be solved by the utility model is as follows: in the process of proportioning and conveying plastic film raw materials, the materials fall from the raw material storage box due to gravity, and the falling speed is difficult to control, resulting in the problem that the accuracy control during proportioning is relatively troublesome. Therefore, a raw material proportioning and conveying device for a film blowing machine is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a raw material proportioning and conveying device for a film blowing machine, comprising a fixed block and a conveying mechanism, wherein the upper end of the fixed block is fixedly connected to a storage cylinder, one side of the storage cylinder is fixedly connected to a material guide pipe and the interiors are communicated, a discharge port is provided on one side of the upper end of the material guide pipe, one side of the material guide pipe is fixedly connected to a first motor and an output end of the first motor is fixedly connected to a threaded feeding rod, the storage cylinder is located on one side of the material guide pipe and contacts a circular frame, one side of the circular frame is evenly provided with bulk material holes, and the upper side of the fixed block is fixedly connected to There is a first push rod, the output end of the first push rod is fixedly connected to a moving plate, the upper side of the moving plate is fixedly connected to a telescopic rod and the upper end of the telescopic rod is fixedly connected to a weighing block, the upper end of the weighing block is provided with a recess and the weighing block is located on one side of the recess and has a groove running through it, the weighing block is located in the groove and is rotatably connected to a sealing plate via a first rotating shaft, a torsion spring is sleeved on the first rotating shaft and the two ends of the torsion spring are respectively fixedly connected to the weighing block and the sealing plate, a protrusion is fixedly connected to the bottom side of the storage tube and an electronic scale is fixedly connected to the protrusion, and a blanking plate is fixedly connected to one side of the storage tube.

[0007] As a preferred technical solution of the utility model, a second motor is fixedly connected to one side of the storage barrel and an output end of the second motor is fixedly connected to a rotating disk, a second push rod is fixedly connected to one side of the rotating disk, and an output end of the second push rod is fixedly connected to the circular frame. By setting the second push rod, the circular frame can be driven to connect with the storage barrel, thereby controlling the falling speed of the material removed from the material guide tube.

[0008] As a preferred technical solution of the utility model, a dust collection cylinder is fixedly connected to the upper end of the storage cylinder, a groove passes through the upper end of the storage cylinder and a bracket is fixedly connected in the groove, and a guide fan is rotatably connected to the bracket. By arranging the bracket and the guide fan, dust attached to the surface of the raw materials can be adsorbed.

[0009] As a preferred technical solution of the utility model, a limit rod is fixedly connected inside the dust collector cylinder, the upper side of the limit rod is in contact with a filter screen, the filter screen is plugged into the dust collector cylinder and the filter screen is in contact with one side of the storage cylinder, and by providing the limit rod and the filter screen, dust can be filtered and centrally processed.

[0010] As a preferred technical solution of the utility model, a supporting ball is contacted in the storage tube, and the supporting ball is rotatably embedded in the rotating disk. By arranging the supporting ball, the rotating disk can be provided with rotation support and the friction can be reduced at the same time.

[0011] The utility model has the following advantages: a spiral feeding rod is installed on one side of the storage barrel to limit the falling speed of plastic particles, and a bulk hole is arranged on one side of the rotating circular frame to further control the feeding speed and make the raw materials collide with each other, and then the dust is guided by the guide fan, and then the weighed plastic particles are moved to the feeding port by the first push rod, and the sealing plate is automatically expanded by the force of the torsion spring, and the raw materials are accurately transported. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side cross-sectional structural schematic diagram of a raw material proportioning and conveying device for a film blowing machine in a preferred embodiment of the utility model;

[0013] Figure 2 It is a three-dimensional structural schematic diagram of a raw material proportioning and conveying device for a film blowing machine in a preferred embodiment of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of point A of a raw material proportioning and conveying device for a film blowing machine in a preferred embodiment of the utility model.

[0015] Explanation of the reference numerals: 1. fixed block; 2. conveying mechanism; 3. storage cylinder; 4. material guide tube; 5. discharge port; 6. first motor; 7. threaded feeding rod; 8. circular frame; 9. first push rod; 10. moving plate; 11. telescopic rod; 12. electronic scale; 13. weighing block; 14. first rotating shaft; 15. sealing plate; 16. discharge plate; 17. second motor; 18. rotating disk; 19. second push rod; 20. dust collection cylinder; 21. guide fan; 22. limit rod; 23. filter. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-3The raw material proportioning and conveying equipment for a film blowing machine shown in the figure comprises a fixed block 1 and a conveying mechanism 2, the conveying mechanism 2 refers to a rotating roller and a conveyor belt, a storage cylinder 3 is fixedly connected to the upper end of the fixed block 1, a material guide tube 4 is fixedly connected to one side of the storage cylinder 3 and the interiors are communicated, a discharge port 5 is provided on one side of the upper end of the material guide tube 4, plastic particles enter the material guide tube 4 from the side of the discharge port 5, a first motor 6 is started and a threaded feeding rod 7 is driven to rotate to convey the plastic particles, a first motor 6 is fixedly connected to one side of the material guide tube 4 and a threaded feeding rod 7 is fixedly connected to the output end of the first motor 6, the storage cylinder 3 is located on one side of the material guide tube 4 and is in contact with a circular frame 8, bulk holes are evenly provided on one side of the circular frame 8, the bulk holes are used for the plastic particles to pass through and reduce the falling speed of the material, a first push rod 9 is fixedly connected to the upper side of the fixed block 1, the first push rod 9 and the second push rod 19 are both electric push rods, and the first push rod 9 and the second push rod 19 are both electric push rods. The output end of a push rod 9 is fixedly connected to a moving plate 10, and the first push rod 9 drives the moving plate 10 and the telescopic rod 11 to move upward, so that the weighing block 13 corresponds to the blanking plate 16, the telescopic rod 11 is fixedly connected to the upper side of the moving plate 10, and the upper end of the telescopic rod 11 is fixedly connected to the weighing block 13, a depression is opened at the upper end of the weighing block 13, and the weighing block 13 is located on one side of the depression and has a groove running through it, the weighing block 13 is located in the groove and is rotatably connected to a closing plate 15 through a first rotating shaft 14, a torsion spring is sleeved on the first rotating shaft 14, and the two ends of the torsion spring are respectively fixedly connected to the weighing block 13 and the closing plate 15, a protrusion is fixedly connected to the bottom side of the storage tube 3, and an electronic scale 12 is fixedly connected to the protrusion, by setting the electronic scale 12, the material in the weighing block 13 can be weighed, the material falls into the weighing block 13, and the reading is displayed on the electronic scale 12, and a blanking plate 16 is fixedly connected to one side of the storage tube 3.

[0018] Among them, the circular frame 8 is fixedly connected to the output end of the second push rod 19, the second push rod 19 is fixedly connected to one side of the rotating disk 18, the rotating disk 18 is fixedly connected to the output end of the second motor 17, and the second motor 17 is fixedly connected to one side of the storage barrel 3. The rotating disk 18 is driven to rotate by the second motor 17 and extended by the second motor 17, so that the circular frame 8 releases the storage barrel 3, which can further reduce or stop the falling speed of the material and cause the material to collide.

[0019] Among them, the guide fan 21 is rotatably connected to the bracket, the bracket is fixedly connected in the groove, the groove is located at the upper end of the storage tube 3, and the dust collection tube 20 is fixedly connected to the upper end of the storage tube 3. By setting the guide fan 21, the dust generated by the collision can be attracted and adsorbed, making the weighing data more accurate.

[0020] Among them, the storage cylinder 3 is in contact with the filter 23, the dust collection cylinder 20 is plugged with the filter 23, the filter 23 is in contact with the upper side of the limiting rod 22, and the limiting rod 22 is fixedly connected in the dust collection cylinder 20. By setting the limiting rod 22, the filter 23 can be placed and the filter 23 can be easily removed.

[0021] Among them, a supporting ball is rotatably embedded on the rotating disk 18, and the supporting ball contacts one side of the storage tube 3 to provide support when the rotating disk 18 rotates, thereby improving stability.

[0022] Working principle: the material is put into the guide tube 4 from the side of the discharge port 5, and the first motor 6 drives the threaded feeding rod 7 to rotate so that the material moves into the storage tube 3 and gradually falls. At this time, the telescopic rod 11 automatically contracts due to gravity, and the bottom side of the weighing block 13 contacts the electronic scale 12 and displays the reading. During the feeding process, the second push rod 19 extends and makes the circular frame 8 contact the side of the storage tube 3 close to the guide tube 4, and starts the second motor 17 to rotate so that the circular frame 8 rotates, so that the bulk material holes of the circular frame 8 correspond to the weighing block 13, the material discharge speed is reduced, and at the same time When the guide fan 21 is started to generate air flow guidance, and the dust is adsorbed so that the dust falls on the filter screen 23. After the mass of the weighing block 13 weighed by the electronic scale 12 reaches a certain amount, the second motor 17 is started to rotate the rotating disk 18, and the bulk material holes of the circular frame 8 are facing upward, and the material conveying stops. Then the first push rod 9 is started to move the weighing block 13 up to the side close to the unloading plate 16. At this time, the sealing plate 15 is automatically unfolded without force, and the material in the weighing block 13 is guided by the depression and moved out to the conveying mechanism 2, thereby improving the accuracy of conveying materials.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A raw material proportioning and conveying device for a film blowing machine, comprising a fixed block (1) and a conveying mechanism (2), characterized in that: The upper end of the fixed block (1) is fixedly connected to a storage cylinder (3), one side of the storage cylinder (3) is fixedly connected to a material guide tube (4) and the interiors are communicated with each other, one side of the upper end of the material guide tube (4) is provided with a material discharge port (5), one side of the material guide tube (4) is fixedly connected to a first motor (6), and the output end of the first motor (6) is fixedly connected to a threaded feeding rod (7), the storage cylinder (3) is located on one side of the material guide tube (4) and is in contact with a circular frame (8), one side of the circular frame (8) is evenly provided with bulk material holes, the upper side of the fixed block (1) is fixedly connected to a first push rod (9), the output end of the first push rod (9) is fixedly connected to a movable plate (10), the A telescopic rod (11) is fixedly connected to the upper side of the movable plate (10), and a weighing block (13) is fixedly connected to the upper end of the telescopic rod (11); a depression is provided at the upper end of the weighing block (13), and a groove is penetrated through the weighing block (13) on one side of the depression; the weighing block (13) is located in the groove and is rotatably connected to a sealing plate (15) via a first rotating shaft (14); a torsion spring is sleeved on the first rotating shaft (14), and two ends of the torsion spring are respectively fixedly connected to the weighing block (13) and the sealing plate (15); a protrusion is fixedly connected to the inner bottom side of the storage tube (3), and an electronic scale (12) is fixedly connected to the protrusion; and a blanking plate (16) is fixedly connected to one side of the storage tube (3).

2. A raw material proportioning and conveying device for a film blowing machine as claimed in claim 1, characterized in that: A second motor (17) is fixedly connected to one side of the storage tube (3), and an output end of the second motor (17) is fixedly connected to a rotating disk (18). A second push rod (19) is fixedly connected to one side of the rotating disk (18), and an output end of the second push rod (19) is fixedly connected to a circular frame (8).

3. A raw material proportioning and conveying device for a film blowing machine as claimed in claim 2, characterized in that: The upper end of the storage cylinder (3) is fixedly connected to a dust collection cylinder (20), the upper end of the storage cylinder (3) is penetrated by a groove, and a bracket is fixedly connected in the groove, and a guide fan (21) is rotatably connected to the bracket.

4. A raw material proportioning and conveying device for a film blowing machine as claimed in claim 3, characterized in that: A limit rod (22) is fixedly connected inside the dust collection cylinder (20), the upper side of the limit rod (22) contacts a filter screen (23), the filter screen (23) is plugged into the dust collection cylinder (20), and the filter screen (23) contacts one side of the storage cylinder (3).

5. A raw material proportioning and conveying device for a film blowing machine as claimed in claim 4, characterized in that: A supporting ball is in contact with the storage tube (3), and the supporting ball is rotatably embedded in the rotating disk (18).

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