Foaming film production equipment and process thereof

Abstract

The invention discloses foamed film production equipment, and belongs to the technical field of foamed film production. The foamed film production equipment comprises a rack and a box body, the box body is fixedly connected with the rack; the first turntable is rotationally connected with the box body; the first clamping block is horizontally and slidably connected with the first turntable; the adjusting piece is used for adjusting the position of the first clamping block; the second turntable is rotationally connected with the box body; the second clamping block is horizontally and slidably connected with the second turntable; the first fixing piece is used for fixing the second clamping block and the second rotating disc; two ends of the first rotating shaft are respectively clamped with the first clamping block and the second clamping block; the driving assembly is mounted on the rack and used for rotation of the first rotating shaft; the sleeve is rotationally connected with the first rotating shaft; the transmission part is used for driving the sleeve to rotate; the first stirring piece is fixedly connected with the first rotating shaft; and the second stirring piece is fixedly connected with the sleeve. The foaming film production equipment has the beneficial effect that the foaming film production equipment which is more uniform in mixing is provided.

Description

Technical Field

[0001] The present application relates to the technical field of foam film production, and in particular to a foam film production device. Background Art

[0002] Foamed films include foamed polyvinyl chloride films. Polyvinyl chloride (PVC) is one of the five major thermoplastic synthetic resins and the second most common plastic in the world. It is abundant in source, low in price, and widely used in building materials, packaging materials, electronic materials, agricultural films, transportation and other fields.

[0003] Polyvinyl chloride is prepared by the polymerization of vinyl chloride monomers and is a common plastic component. Polyvinyl chloride is often used to make pipes, pencil cases and other items. In addition, polyvinyl chloride also has very good applications in films. Polyvinyl chloride films have high transparency, making polyvinyl chloride films more beautiful. We can also see the presence of polyvinyl chloride in raincoats, tablecloths, tents and other items. In the preparation process of polyvinyl chloride composite materials, it is necessary to mix, but the existing mixing devices are not mixed evenly, resulting in poor mixing effect.

[0004] A foam film production device with more uniform mixing is now provided. Summary of the invention

[0005] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0006] In order to solve the technical problems mentioned in the above background technology part, some embodiments of the present application provide a foaming film production equipment, including: a frame and a box body; the box body is fixedly connected to the frame; a first turntable, rotatably connected to the box body; a first clamping block, horizontally slidingly connected to the first turntable; an adjusting member, used to adjust the position of the first clamping block; a second turntable, rotatably connected to the box body; a second clamping block, horizontally slidingly connected to the second turntable; a first fixing member, used to fix the second clamping block to the second turntable; a first rotating shaft, whose two ends are respectively clamped with the first clamping block and the second clamping block; a driving assembly, installed on the frame, for rotation of the first rotating shaft; a sleeve, rotatably connected to the first rotating shaft; a transmission member, used to drive the rotation of the sleeve; a first stirring member, fixedly connected to the first rotating shaft; a second stirring member, fixedly connected to the sleeve.

[0007] The driving component drives the first stirring member to rotate, and the first stirring member drives the second stirring member to rotate relatively through the transmission member, so as to evenly mix the polyvinyl chloride composite material.

[0008] Furthermore, the first rotating shaft includes a first clamping slot; and the first clamping block is clamped with the first clamping slot.

[0009] Furthermore, the first rotating shaft includes a second clamping slot; and the second clamping block is clamped with the second clamping slot.

[0010] Furthermore, the first stirring member and the second stirring member are both spiral structures.

[0011] Furthermore, the first stirring member is located in the outer ring; and the second stirring member is located in the inner ring.

[0012] Furthermore, the adjusting member includes: a stud installed on the driving assembly; a connecting block threadedly connected to the stud; a second fixing member used to fix the connecting block and the stud; the first clamping block includes a guide groove; the connecting block is partially located in the guide groove; and the guide groove is used to guide the first clamping block.

[0013] Furthermore, the driving assembly is a motor; the motor is fixed to the frame, and its driving shaft is fixedly connected to the stud.

[0014] Furthermore, the transmission member includes: a fixed plate fixedly connected to the box body; a first bevel gear fixedly connected to the first rotating shaft; a second bevel gear rotatably connected to the fixed plate and meshing with the first bevel gear; a third bevel gear fixedly connected to the sleeve and meshing with the second bevel gear.

[0015] Furthermore, the first card slot and the second card slot are both square holes.

[0016] A foam film production process, using the foam film production equipment, comprising:

[0017] (1) grinding 1-2 parts by weight of a foaming agent and 30-50 parts by weight of talc into nano-scale powder, adding the powder and 100-120 parts by weight of EVA to a kneader for kneading at 60-80° C., discharging the powder through an open mill, cooling and stacking the powder as a foamed composite material for later use;

[0018] (2) 100 parts by weight of film-grade polyvinyl chloride, 12 parts by weight of composite plasticizer, 1-3 parts by weight of heat stabilizer, and 1-3 parts by weight of lubricant are added to a mixing device, pre-dispersed at 60-80° C., and then discharged, cooled, sealed, and placed for more than 12 hours as a polyvinyl chloride composite material for standby use;

[0019] (3) A twin-screw extruder is used as the mixing and extrusion equipment, which is set as a sheet die, and the material is extruded in the form of a sheet;

[0020] (4) introducing the sheet material extruded in step (3) into a four-roll calender, controlling the temperature of the four rolls at 150-155° C., making the material stock of the front roll and the upper roll 5-10 mm, the material stock of the upper roll and the middle roll 3-5 mm, and the material stock of the middle roll and the lower roll 2-3 mm, and adjusting the roller distance so that the thickness of the sheet is controlled at 0.1-0.2 mm; the traction roll is used as a traction, cooling and shaping roll, and the traction ratio is 1.5-2.0 to stretch, cool and shape the sheet; and winding is performed to obtain a foamed film.

[0021] The beneficial effect of the present application is that it provides a foaming film production device with more uniform mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0023] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0024] In the attached picture:

[0025] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0026] Figure 2 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the sleeve;

[0027] Figure 3 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the first rotating shaft;

[0028] Figure 4 yes Figure 3 The enlarged view of part A mainly shows the structure of the first card block and the first card slot;

[0029] Figure 5 yes Figure 3 The enlarged view of part B mainly shows the structure of the second card block and the second card slot;

[0030] Figure 6 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the first stirring member and the second stirring member.

[0031] Reference numerals:

[0032] 100. Foam film production equipment; 101. Frame; 102. Box; 103. First turntable; 104. First clamping block; 104a. Guide groove; 105. Second turntable; 106. Second clamping block; 107. First rotating shaft; 107a. First clamping slot; 107b. Second clamping slot; 108. Sleeve; 109. First stirring member; 110. Second stirring member; 112. Stud; 113. Connecting block; 114. Fixing plate; 115. First bevel gear; 116. Second bevel gear; 117. Third bevel gear. DETAILED DESCRIPTION

[0033] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0034] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0035] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0036] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0037] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0038] Reference Figure 1-6A foam film production device 100 includes: a frame 101, a box 102, a first turntable 103, a first clamping block 104, an adjusting member for adjusting the position of the first clamping block 104, a driving assembly, a second turntable 105, a second clamping block 106, a first fixing member for fixing the second clamping block 106 and the second turntable 105, a first rotating shaft 107, a sleeve 108, a transmission member for driving the sleeve 108 to rotate relative to each other, a first stirring member 109, and a second stirring member 110. The box 102 is fixedly connected to the frame 101. The first turntable 103 is rotatably connected to the box 102. The first clamping block 104 is horizontally slidably connected to the first turntable 103. The second turntable 105 is rotatably connected to the box 102.

[0039] The second clamping block 106 is horizontally slidably connected to the second rotating disk 105. The first fixing member is used to fix the second clamping block 106 to the second rotating disk 105. The first fixing member is a fixing bolt, and the second clamping block 106 is fixed to the second rotating disk 105 by bolts. The two ends of the first rotating shaft 107 are respectively clamped with the first clamping block 104 and the second clamping block 106. The sleeve 108 is rotatably connected to the first rotating shaft 107. The first stirring member 109 is fixedly connected to the first rotating shaft 107. The second stirring member 110 is fixedly connected to the sleeve 108. The first rotating shaft 107 includes a first clamping groove 107a, and the first clamping block 104 is clamped with the first clamping groove 107a. The first rotating shaft 107 includes a second clamping groove 107b, and the second clamping block 106 is clamped with the second clamping groove 107b. The first clamping groove 107a and the second clamping groove 107b are both square holes. The first stirring member 109 and the second stirring member 110 are both spiral structures. The spiral direction of the first stirring member 109 is right-handed, and the spiral direction of the second stirring member 110 is left-handed. The first stirring member 109 is located in the outer circle, and the second stirring member 110 is located in the inner circle. The first stirring member 109 includes a first connecting plate and a first stirring plate, the first connecting plate is fixed to the first rotating shaft 107, and the first stirring plate is fixed to the first connecting plate. The second stirring member 110 includes a second connecting plate and a second stirring plate, the second connecting plate is fixed to the sleeve 108, and the first stirring plate is fixed to the first connecting plate

[0040] The driving assembly is mounted on the frame 101, and is used to drive the first rotating shaft 107 to rotate. Specifically, the driving assembly is a motor, and the motor is fixed to the frame 101. The adjusting member is used to adjust the position of the first clamping block 104. The adjusting member includes: a stud 112, a connecting block 113, and a second fixing member. The stud 112 is fixed to the output shaft of the motor. The connecting block 113 is threadedly connected to the stud 112. The second fixing member is used to fix the connecting block 113 to the stud 112. The first fixing member and the second fixing member are fixing bolts. The first clamping block 104 includes a guide groove 104a, and a portion of the connecting block 113 is located in the guide groove 104a. The guide groove 104a is used to guide the first clamping block 104.

[0041] The transmission member is used to drive the relative rotation of the sleeve 108, and the transmission member includes: a fixed plate 114, a first bevel gear 115, a second bevel gear 116, and a third bevel gear 117. The fixed plate 114 is fixedly connected to the housing 102. The first bevel gear 115 is fixedly connected to the first rotating shaft 107. The second bevel gear 116 is rotationally connected to the fixed plate 114 and is meshed with the first bevel gear 115. The third bevel gear 117 is fixedly connected to the sleeve 108 and is meshed with the second bevel gear 116. And a protective cover (not shown in the figure) can be set on the first bevel gear 115, the second bevel gear 116 and the third bevel gear 117.

[0042] Workflow: Put the foaming film material into the box 102, then the motor drives the stud 112 to rotate, the rotation of the stud 112 drives the connection block 113 to rotate, the rotation of the connection block 113 drives the first rotating shaft 107 to rotate, the rotation of the first rotating shaft 107 drives the first bevel gear 115 to rotate, the rotation of the first bevel gear 115 drives the second bevel gear 116 to rotate, the rotation of the second bevel gear 116 drives the third bevel gear 117, the first bevel gear 115 and the third bevel gear 117 will rotate relative to each other through the transmission of the second bevel gear 116, thereby driving the first stirring member 109 and the second stirring member 110 to rotate relative to each other. The spiral direction of the first stirring member 109 is right-handed, and the spiral direction of the second stirring member 110 is left-handed. The first stirring member 109 is located in the outer ring, and the second stirring member 110 is located in the inner ring. The foaming film material is better stirred and mixed by the first stirring member 109 and the second stirring member 110. At the same time, when the first stirring member 109 and the second stirring member 110 need to be repaired and cleaned, the first fixing member and the second fixing member are loosened (so that the connecting sleeve and the stud 112 can rotate relative to each other, and the second clamping block 106 and the first turntable 103 can move relative to each other), and then the connecting sleeve is rotated. The rotation of the connecting sleeve drives the first clamping block 104 to rotate and move at the same time, so that the first clamping block 104 is disengaged from the first slot 107a, and then the second clamping block 106 is disengaged from the second slot 107b, and the first rotating shaft 107, the first stirring member 109 and the second stirring member 110 can be taken out, which is convenient for the repair or cleaning of the first stirring member 109 and the second stirring member 110.

[0043] The present invention also provides a foam film production process, using the foam film production equipment, comprising:

[0044] (1) grinding 1-2 parts by weight of a foaming agent and 30-50 parts by weight of talc into nano-scale powder, adding the powder and 100-120 parts by weight of EVA to a kneader for kneading at 60-80° C., discharging the powder through an open mill, cooling and stacking the powder as a foamed composite material for later use;

[0045] (2) 100 parts by weight of film-grade polyvinyl chloride, 12 parts by weight of composite plasticizer, 1-3 parts by weight of heat stabilizer, and 1-3 parts by weight of lubricant are added to the box 102, stirred and mixed by the first stirring member 109 and the second stirring member 110, pre-dispersed at 60-80° C., and then discharged, cooled, sealed, and placed for more than 12 hours as a polyvinyl chloride composite material for standby use;

[0046] (3) A twin-screw extruder is used as the mixing and extrusion equipment, which is set as a sheet die, and the material is extruded in the form of a sheet;

[0047] (4) introducing the sheet material extruded in step (3) into a four-roll calender, controlling the temperature of the four rolls at 150-155° C., making the material stock of the front roll and the upper roll 5-10 mm, the material stock of the upper roll and the middle roll 3-5 mm, and the material stock of the middle roll and the lower roll 2-3 mm, and adjusting the roller distance so that the thickness of the sheet is controlled at 0.1-0.2 mm; the traction roll is used as a traction, cooling and shaping roll, and the traction ratio is 1.5-2.0 to stretch, cool and shape the sheet; and winding is performed to obtain a foamed film.

[0048] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. A foam film production device, comprising: A frame (101) and a box (102); the box (102) is fixedly connected to the frame (101); Features: The foam film production equipment also includes: A first rotating disk (103) is rotatably connected to the box (102); A first clamping block (104) is horizontally slidably connected to the first rotating disk (103); An adjusting member, used for adjusting the position of the first clamping block (104); A second rotating disk (105) is rotatably connected to the box (102); A second clamping block (106) is horizontally slidably connected to the second rotating disk (105); A first fixing member, used for fixing the second clamping block (106) and the second rotating disk (105); The first rotating shaft (107) has two ends respectively engaged with the first clamping block (104) and the second clamping block (106); a driving assembly mounted on the frame (101) and used for rotating the first rotating shaft (107); A sleeve (108) is rotatably connected to the first rotating shaft (107); A transmission member, used for driving the sleeve (108) to rotate; A first stirring member (109) is fixedly connected to the first rotating shaft (107); The second stirring member (110) is fixedly connected to the sleeve (108).

2. The foam film production equipment according to claim 1, characterized in that: The first rotating shaft (107) comprises a first slot (107a); The first card block (104) is card-engaged with the first card slot (107a).

3. The foam film production equipment according to claim 1, characterized in that: The first rotating shaft (107) comprises a second slot (107b); The second clamping block (106) is clamped with the second clamping slot (107b).

4. The foam film production equipment according to claim 1, characterized in that: The first stirring member (109) and the second stirring member (110) are both spiral structures.

5. The foam film production equipment according to claim 1, characterized in that: The first stirring member (109) is located on the outer ring; The second stirring member (110) is located in the inner circle.

6. The foam film production equipment according to claim 1, characterized in that: The adjusting member comprises: A stud (112) mounted on the drive assembly; A connecting block (113) threadedly connected to the stud (112); A second fixing member, used for fixing the connecting block (113) and the stud (112); The first clamping block (104) comprises a guide groove (104a); the connection block (113) is partially located in the guide groove (104a); and the guide groove (104a) is used for guiding the first clamping block (104).

7. The foam film production equipment according to claim 6, characterized in that: The driving component is a motor; the motor is fixed to the frame (101), and its driving shaft is fixedly connected to the stud (112).

8. The foam film production equipment according to claim 1, characterized in that: The transmission member comprises: A fixed plate (114) fixedly connected to the box body (102); A first bevel gear (115) fixedly connected to the first rotating shaft (107); A second bevel gear (116) is rotatably connected to the fixing plate (114) and meshed with the first bevel gear (115); The third bevel gear (117) is fixedly connected to the sleeve (108) and meshed with the second bevel gear (116).

9. The foam film production equipment according to claim 8, characterized in that: The first card slot (107a) and the second card slot (107b) are both square holes.

10. A foam film production process, characterized in that: The foam film production equipment according to any one of claims 1 to 9 comprises: (1) grinding 1-2 parts by weight of a foaming agent and 30-50 parts by weight of talc into nano-scale powder, adding the powder and 100-120 parts by weight of EVA to a kneader for kneading at 60-80° C., discharging the powder through an open mill, cooling and stacking the powder as a foamed composite material for later use; (2) 100 parts by weight of film-grade polyvinyl chloride, 12 parts by weight of composite plasticizer, 1-3 parts by weight of heat stabilizer, and 1-3 parts by weight of lubricant are added to a mixing device, pre-dispersed at 60-80° C., and then discharged, cooled, sealed, and placed for more than 12 hours as a polyvinyl chloride composite material for standby use; (3) A twin-screw extruder is used as the mixing and extrusion equipment, which is set as a sheet die, and the material is extruded in the form of a sheet; (4) introducing the sheet material extruded in step (3) into a four-roll calender, controlling the temperature of the four rolls at 150-155° C., making the material stock of the front roll and the upper roll 5-10 mm, the material stock of the upper roll and the middle roll 3-5 mm, and the material stock of the middle roll and the lower roll 2-3 mm, and adjusting the roller distance so that the thickness of the sheet is controlled at 0.1-0.2 mm; the traction roll is used as a traction, cooling and shaping roll, and the traction ratio is 1.5-2.0 to stretch, cool and shape the sheet; and winding is performed to obtain a foamed film.

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