Non-woven fabric extrusion forming equipment

Abstract

The utility model relates to the technical field of non-woven fabric production, and discloses non-woven fabric extrusion forming equipment which comprises a hopper, a base installed at the bottom of the hopper, a top cover located in the hopper, a sealing plug installed in the top cover and an extrusion head installed at the bottom of the hopper. The driving part comprises a bearing plate located on the surface of the top cover, the two ends of the bearing plate are fixedly connected with the hopper, and a motor is installed on the surface of the bearing plate. According to the non-woven fabric extrusion forming equipment, the change speed of the pressure intensity in the hopper can be changed by controlling the rotating speed of the motor, and whether the pressure intensity in the hopper is generated or not can be controlled at any time by controlling the starting or not of the motor, so that the purpose of accurate and quantitative discharging can be achieved, and the problem that in the prior art, materials cannot be accurately discharged is further solved. And the problem that the discharging accuracy deviates due to the fact that a spring is used for pushing materials is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of non-woven fabric production, in particular to non-woven fabric extrusion molding equipment. Background Art

[0002] Non-woven fabric is a kind of non-woven fabric. Due to its excellent mechanical properties, filtration performance, air permeability and wear resistance, it is widely used in many fields, such as medical care, clothing and textiles.

[0003] In the production process of non-woven fabrics, the molten material to be processed is first placed in the hopper of the extruder. The molten material will be heated by the heating system to reach a molten state, and then the material will be squeezed to the extruder head by using a spring push. When the material reaches the extruder head, it will be heated and compressed to form a certain pressure, so that the material is squeezed to the surface of the mold. However, since the stiffness and mechanical properties of the spring will change with the degree of compression, when the spring is compressed, the pushing force will gradually increase, but the mechanical behavior of the spring may not be linear, resulting in unpredictable changes in the pushing force, which will affect the accuracy of the push; and because when the material is squeezed into the mold, some equipment uses a natural molding method, which will cause some places to be denser than other places, which will cause the non-woven fabric product to have uneven density, thus affecting the quality of the non-woven fabric.

[0004] In summary, the current non-woven fabric extrusion molding equipment still has the following defects when in use:

[0005] (1) Using springs to push will affect the accuracy of pushing;

[0006] (2) The natural forming method will cause the non-woven fabric products to have uneven density, thus affecting the quality of the non-woven fabric. Utility Model Content

[0007] In order to overcome the above-mentioned defects of the prior art, the inventors conducted in-depth research and completed the present utility model after paying a lot of creative work.

[0008] Specifically, the technical problem to be solved by the utility model is to provide a non-woven fabric extrusion molding device to solve the technical problem that the current method of using springs to push will affect the accuracy of pushing.

[0009] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0010] A non-woven fabric extrusion molding device comprises a hopper, a base installed at the bottom of the hopper, a top cover located inside the hopper, a sealing plug installed inside the top cover, and an extrusion head installed at the bottom of the hopper, wherein a driving member is installed on the top of the top cover, and the driving member comprises a bearing plate located on the surface of the top cover, both ends of the bearing plate are fixedly connected to the hopper, a motor is installed on the surface of the bearing plate, a gear A is fixedly connected to the output end of the motor, a gear B is meshed on one side of the gear A, a gear C is meshed on one end of the gear B and away from the gear A, and starting the motor can make the gear A drive the gear B and the gear C to rotate, a groove adapted to the mold is provided at the bottom of the base to facilitate the movement of the mold, and the sealing plug can be used for feeding.

[0011] As an improved technical solution, the outer sides of the gear A and the gear C are meshed with racks, a piston is installed at the bottom of the top cover, and a pressure piece is provided on the other side of the rack.

[0012] As an improved technical solution, the pressure member includes a frame fixed to the other side of the rack, the bottom of the frame is fixedly connected to the top cover, both ends of the frame are fixedly connected to L-shaped rods, and the inner side of the L-shaped rod is fixedly connected to a limiting block.

[0013] As an improved technical solution, the pressure member further comprises a limiting groove formed on the surface of the hopper, and the limiting block is located inside the limiting groove and movably connected thereto.

[0014] As an improved technical solution, a heating coil and a valve are installed on the surface of the extrusion head, the valve is located at the bottom of the heating coil, and an extrusion piece is installed on one side of the base.

[0015] As an improved technical solution, the extrusion member includes a limit frame fixed on one side of the base, an electric push rod is installed on the top of the limit frame, an extrusion plate A is provided inside the limit frame, and the output end of the electric push rod extends to the inside of the limit frame and is fixedly connected to the extrusion plate A.

[0016] As an improved technical solution, wherein: the bottom of the extrusion plate A is fixedly connected to springs arranged at equal distances, the bottom of the spring is fixedly connected to the extrusion plate B, and the bottom of the extrusion plate B is provided with a mold.

[0017] As an improved technical solution, a slide groove is provided on the inner side of the limiting frame, and one side of the extrusion plate A and the extrusion plate B is located inside the slide groove and is movably connected thereto.

[0018] After adopting the above technical solution, the beneficial effects of the utility model are:

[0019] 1. The utility model can change the speed of the pressure change inside the hopper by controlling the speed of the motor, and can control whether the pressure inside the hopper is generated at any time by controlling whether the motor is started, so as to achieve the purpose of accurate quantitative discharging, and further solves the problem in the prior art that the use of springs to push materials will cause deviations in the discharging accuracy.

[0020] 2. The utility model is provided with an extrusion piece, and the electric push rod is started to push the extrusion plate A, the spring and the extrusion plate B to move toward the mold, so that the extrusion plate B contacts the material inside the mold and squeezes it. If the applied pressure is too large, the spring will be squeezed and deformed, thereby preventing the extrusion plate B from applying excessive pressure on the material and causing damage to the material, and further achieving the purpose of uniform density of the material inside the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0022] Figure 1 It is a schematic diagram of the overall structure of the non-woven fabric extrusion molding equipment of the utility model.

[0023] Figure 2 It is a sectional view of the overall structure of the non-woven fabric extrusion molding equipment of the utility model.

[0024] Figure 3 This is a schematic diagram of the structure of the driving part and the pressure part of the non-woven fabric extrusion molding equipment of the utility model.

[0025] Figure 4 It is a schematic diagram of the structure of the driving parts and some pressure parts of the non-woven fabric extrusion molding equipment of the utility model.

[0026] Figure 5 This is a diagram showing the structure of the extrusion parts of the non-woven fabric extrusion molding equipment of the utility model.

[0027] Description of reference numerals:

[0028] 1. Hopper; 2. Base; 3. Sealing plug; 4. Driving part; 41. Top cover; 42. Piston; 43. Loading plate; 44. Motor; 45. Gear A; 46. Gear B; 47. Gear C; 48. Rack; 5. Pressure piece; 51. Frame; 52. L-shaped rod; 53. Limit block; 54. Limit groove; 6. Extrusion head; 61. Heating coil; 62. Valve; 7. Extrusion part; 71. Limit frame; 72. Electric push rod; 73. Extrusion plate A; 74. Spring; 75. Extrusion plate B; 76. Mold; 77. Slide. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in 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.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] At the same time, the meaning of "and / or" or "and / or" appearing in the full text includes three options. Taking "A and / or B" as an example, it includes option A, or option B, or a option in which both A and B are satisfied.

[0032] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model. Example 1

[0033] Reference Figure 1-4 , which is the first embodiment of the utility model, provides a non-woven fabric extrusion molding device, the non-woven fabric extrusion molding device comprises a hopper 1, a base 2 installed at the bottom of the hopper 1, a top cover 41 located inside the hopper 1, a sealing plug 3 installed inside the top cover 41, an extrusion head 6 installed at the bottom of the hopper 1, and a driving member 4 is installed on the top of the top cover 41;

[0034] The driving member 4 includes a supporting plate 43 located on the surface of the top cover 41, both ends of the supporting plate 43 are fixedly connected to the hopper 1, a motor 44 is installed on the surface of the supporting plate 43, the output end of the motor 44 is fixedly connected to a gear A45, one side of the gear A45 is meshed with a gear B46, one end of the gear B46 and away from the gear A45 is meshed with a gear C47, starting the motor 44 can make the gear A45 drive the gear B46 and the gear C47 to rotate, and a groove adapted to the mold 76 is provided at the bottom of the base 1.

[0035] The outer sides of gear A45 and gear C47 are meshed with racks 48, a piston 42 is installed at the bottom of the top cover 41, and a pressure member 5 is provided on the other side of the rack 48. The piston 42 can change the pressure inside the hopper 1, so that the material inside the hopper 1 can be extruded quantitatively from the inside of the extrusion head 6.

[0036] The pressure member 5 includes a frame 51 fixed on the other side of the rack 48. The bottom of the frame 51 is fixedly connected to the top cover 41. Both ends of the frame 51 are fixedly connected with an L-shaped rod 52. The inner side of the L-shaped rod 52 is fixedly connected to a limiting block 53. The L-shaped rod 52 can limit the frame 51 through the limiting block 53 to prevent it from deflecting during movement.

[0037] The pressure member 5 also includes a limiting groove 54 opened on the surface of the hopper 1. The limiting block 53 is located inside the limiting groove 54 and is movably connected thereto. The limiting groove 54 can facilitate the sliding of the limiting block 53 and prevent the frame 51 from shifting during movement.

[0038] A heating coil 61 and a valve 62 are installed on the surface of the extruder head 6. The valve 62 is located at the bottom of the heating coil 61. An extrusion piece 7 is installed on one side of the base 2. Equidistantly arranged heating wires are installed inside the heating coil 61 to keep the material at a high temperature at all times.

[0039] During use, start the motor 44 to drive the gear A45 to rotate, and drive the gear B46 and the gear C47 to rotate. The gear B46 can make the gear C47 rotate in the same direction as the gear A45. During the rotation of the gears A45 and C47, the rack 48, the frame 51 and the top cover 41 on the outside thereof will be driven to move toward the inside of the hopper 1. At the same time, the L-shaped rod 52 will drive the limit block 53 to slide along the inside of the limit groove 54 to prevent the frame 51 from having an angular deviation during the movement, and the pressure inside the hopper 1 can be changed. The speed of the pressure change inside the hopper 1 can be changed by controlling the speed of the motor 44. The pressure inside the hopper 1 can be controlled at any time by controlling whether the motor 44 is started or not, thereby achieving the purpose of accurate quantitative discharging. This further solves the problem in the prior art that the use of springs to push materials will cause deviations in the discharging accuracy. Example 2

[0040] Reference Figure 1-5 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:

[0041] The extrusion member 7 includes a limit frame 71 fixed on one side of the base 2, an electric push rod 72 is installed on the top of the limit frame 71, an extrusion plate A73 is provided inside the limit frame 71, the output end of the electric push rod 72 extends to the inside of the limit frame 71 and is fixedly connected to the extrusion plate A73, the electric push rod 72 can push the extrusion plate A73 to extrude the material inside the mold 76, thereby achieving the purpose of uniform density.

[0042] The bottom of the extrusion plate A73 is fixedly connected to springs 74 arranged equidistantly, the bottom of the spring 74 is fixedly connected to an extrusion plate B75, and a mold 76 is provided at the bottom of the extrusion plate B75. The setting of the spring 74 can flexibly extrude and shape the material to prevent damage to the non-woven fabric caused by excessive extrusion force.

[0043] A slide groove 77 is provided on the inner side of the limiting frame 71. One side of the extrusion plate A73 and the extrusion plate B75 is located inside the slide groove 77 and is movably connected thereto. The slide groove 77 can make the extrusion plate A73 and the extrusion plate B75 move more stably.

[0044] After the material inside the hopper 1 is squeezed into the mold 76 by starting the motor 44, the mold 76 can be pushed to slide along the groove opened at the bottom of the base 2 to the inside of the limit frame 71, and then the electric push rod 72 is started to push the extrusion plate A73, the spring 74 and the extrusion plate B75 to move toward the mold 76. At the same time, the extrusion plate A73 and one side of the extrusion plate B75 slide along the inside of the slide groove 77, so that the extrusion plate B75 contacts the material inside the mold 76 and squeezes it. If the applied pressure is too large, the spring 74 will be squeezed and deformed, thereby preventing the extrusion plate B75 from applying excessive pressure on the material to cause damage to the material, and further achieving the purpose of uniform density of the material inside the mold 76.

[0045] The remaining structures are the same as those of Example 1.

[0046] It should be understood that the purpose of these embodiments is only to illustrate the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all of these equivalent forms also fall within the protection scope defined by the claims attached to this application.

Claims

1. A non-woven fabric extrusion molding device, comprising a hopper (1), a base (2) mounted at the bottom of the hopper (1), a top cover (41) located inside the hopper (1), a sealing plug (3) mounted inside the top cover (41), and an extrusion head (6) mounted at the bottom of the hopper (1), characterized in that: A driving member (4) is installed on the top of the top cover (41); The driving member (4) comprises a bearing plate (43) located on the surface of the top cover (41), both ends of the bearing plate (43) being fixedly connected to the hopper (1), a motor (44) being mounted on the surface of the bearing plate (43), an output end of the motor (44) being fixedly connected to a gear A (45), one side of the gear A (45) being meshed with a gear B (46), and one end of the gear B (46) being away from the gear A (45) being meshed with a gear C (47).

2. The nonwoven fabric extrusion molding equipment according to claim 1, characterized in that: The outer sides of the gear A (45) and the gear C (47) are both meshed with racks (48), a piston (42) is installed at the bottom of the top cover (41), and a pressure member (5) is provided on the other side of the rack (48).

3. The nonwoven fabric extrusion molding equipment according to claim 2, characterized in that: The pressure member (5) comprises a frame (51) fixed to the other side of the rack (48), the bottom of the frame (51) being fixedly connected to the top cover (41), both ends of the frame (51) being fixedly connected to an L-shaped rod (52), and the inner side of the L-shaped rod (52) being fixedly connected to a limiting block (53).

4. The nonwoven fabric extrusion molding equipment according to claim 3, characterized in that: The pressure member (5) further comprises a limiting groove (54) formed on the surface of the hopper (1), and the limiting block (53) is located inside the limiting groove (54) and is movably connected thereto.

5. The nonwoven fabric extrusion molding equipment according to claim 1, characterized in that: A heating coil (61) and a valve (62) are installed on the surface of the extrusion head (6); the valve (62) is located at the bottom of the heating coil (61); and an extrusion piece (7) is installed on one side of the base (2).

6. The nonwoven fabric extrusion molding equipment according to claim 5, characterized in that: The extrusion member (7) comprises a limit frame (71) fixed to one side of the base (2); an electric push rod (72) is mounted on the top of the limit frame (71); an extrusion plate A (73) is provided inside the limit frame (71); an output end of the electric push rod (72) extends to the inside of the limit frame (71) and is fixedly connected to the extrusion plate A (73).

7. The nonwoven fabric extrusion molding equipment according to claim 6, characterized in that: The bottom of the extrusion plate A (73) is fixedly connected to springs (74) arranged at equal distances, the bottom of the springs (74) is fixedly connected to an extrusion plate B (75), and the bottom of the extrusion plate B (75) is provided with a mold (76).

8. The nonwoven fabric extrusion molding equipment according to claim 7, characterized in that: A slide groove (77) is provided on the inner side of the limiting frame (71), and one side of the extrusion plate A (73) and the extrusion plate B (75) is located inside the slide groove (77) and is movably connected thereto.

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