Extruder special for biaxially oriented capacitance film
By combining the zoned temperature control design of the biaxial stretching capacitor film extruder with the biaxial stretching machine, the problem of unstable extrusion in the existing technology has been solved, and product consistency and high-quality production under different pressures and temperatures have been achieved.
Patent Information
- Application Number
- CN202520034983.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing stretch capacitor film extruders have unstable extrusion and can only rely on unidirectional stretching, resulting in inconsistent product performance under different pressures and temperatures, which is not conducive to production.
Using a biaxially oriented capacitor film extruder, and through zoned temperature control design in conjunction with the biaxially oriented extruder, the temperature of the extrusion threaded rod is controlled to ensure uniform material temperature, thus forming a high-quality film through biaxial stretching.
This has enabled product stability and consistency under different pressure and temperature conditions, improving production efficiency and product quality.
Smart Images

Figure CN223644211U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of capacitor film equipment, specifically point to the extruder special use of two -way stretch capacitor film. BACKGROUND
[0002] The existing stretch capacitor film special extruder extrusion is unstable, can only rely on unidirectional stretching, leading to the product effect under different pressure different temperature is inconsistent, is not conducive to production. INVENTION CONTENTS
[0003] In view of above -mentioned situation, to overcome the defects of prior art, the utility model discloses the extruder special use of two -way stretch capacitor film, effectively solved the stretch capacitor film special extruder extrusion is unstable, can only rely on unidirectional stretching, leading to the product effect under different pressure different temperature is inconsistent, is not conducive to production's problem.
[0004] The utility model takes the technical scheme as follows: the utility model discloses the extruder special use of two -way stretch capacitor film, including equipment seat, moving wheel, extrusion structure and drive structure, the moving wheel is located equipment seat, the extrusion structure is located equipment seat, drive structure is located equipment seat, the extrusion structure includes extrusion host computer, feeding opening, extrusion pipe, extrusion screw rod, temperature control box one, temperature control box two, temperature control box three, temperature control box four, temperature control box five, temperature control box six, temperature control box seven and temperature control box eight, the extrusion host computer is fixed and located equipment seat, the feeding opening is installed and located extrusion host computer, the extrusion pipe is fixed and located extrusion host computer front end, the extrusion screw rod is through extrusion pipe axle and moves and is located in the extrusion host computer, temperature control box one is wrapped extrusion pipe and is fixed and located equipment seat, temperature control box two is wrapped extrusion pipe and is fixed and located equipment seat, temperature control box three is wrapped extrusion pipe and is fixed and located equipment seat, temperature control box four is wrapped extrusion pipe and is fixed and located equipment seat, temperature control box five is wrapped extrusion pipe and is fixed and located equipment seat, temperature control box six is wrapped extrusion pipe and is fixed and located equipment seat, temperature control box seven is wrapped extrusion pipe and is fixed and located equipment seat, temperature control box eight is wrapped extrusion pipe and is fixed and located equipment seat.
[0005] Preferably, the drive structure includes a reduction box, a shaft coupling, a fixed seat and a drive motor, the reduction box is fixedly arranged on the equipment seat and movably arranged on the extrusion host computer, the shaft coupling is fixedly arranged on the reduction box, the fixed seat is fixedly arranged on the equipment seat, and the drive motor is fixedly arranged on the fixed seat and movably connected with the shaft coupling.
[0006] In order to better realize the effect of temperature control, the temperature control box one, the temperature control box two, the temperature control box three, the temperature control box four, the temperature control box five, the temperature control box six, the temperature control box seven and the temperature control box eight are arranged in sequence from front to back and wrapped around the extrusion pipe.
[0007] In order to reach the high speed precision faster, the driving motor is an AC permanent magnet synchronous motor.
[0008] Further, the extrusion screw rod is made of wear-resistant and high-temperature-resistant material.
[0009] In order to realize the uniform material temperature effect, the temperature control boxes one, two, three, four, five, six, seven and eight are controlled separately.
[0010] The beneficial effects of the utility model are as follows: the special extruder for bidirectional stretching capacitor film is designed according to the special properties of capacitor film material, the temperature of the extrusion screw rod is controlled by partition, the plasticizing effect of extrusion is better, the material temperature is more uniform, the bidirectional stretching is carried out by cooperating with the bidirectional stretching machine, and excellent product effect is obtained. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a front view structural schematic diagram of the special extruder for bidirectional stretching capacitor film of the utility model.
[0012] Figure 2 It is a top view structural schematic diagram of the special extruder for bidirectional stretching capacitor film of the utility model.
[0013] Figure 3 It is a left view structural schematic diagram of the special extruder for bidirectional stretching capacitor film of the utility model.
[0014] 1, equipment seat, 2, moving wheel, 3, extrusion structure, 4, driving structure, 5, extrusion host, 6, feeding port, 7, extrusion pipe, 8, extrusion screw rod, 9, temperature control box one, 10, temperature control box two, 11, temperature control box three, 12, temperature control box four, 13, temperature control box five, 14, temperature control box six, 15, temperature control box seven, 16, temperature control box eight, 17, speed reducer, 18, coupling, 19, fixed seat, 20, driving motor.
[0015] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0017] As Figure 1 , Figure 2 and Figure 3 shown, the utility model provides a special extruder of two -way stretch capacitor membrane, including equipment seat 1, moving wheel 2, extrusion structure 3 and drive structure 4, moving wheel 2 is located equipment seat 1, extrusion structure 3 is located equipment seat 1, drive structure 4 is located equipment seat 1, extrusion structure 3 includes extrusion host computer 5, feeding port 6, extrusion pipe 7, extrusion screw rod 8, temperature control box one 9, temperature control box two 10, temperature control box three 11, temperature control box four 12, temperature control box five 13, temperature control box six 14, temperature control box seven 15 and temperature control box eight 16, extrusion host computer 5 is fixedly arranged on equipment seat 1, feeding port 6 is installed on extrusion host computer 5, extrusion pipe 7 is fixedly arranged on the front end of extrusion host computer 5, extrusion screw rod 8 is arranged in extrusion host computer 5 and is axially movable through extrusion pipe 7, extrusion screw rod 8 is arranged using wear -resisting high -temperature resistant material, temperature control box one 9 is wrapped extrusion pipe 7 and is fixedly arranged on equipment seat 1, temperature control box two 10 is wrapped extrusion pipe 7 and is fixedly arranged on equipment seat 1, temperature control box three 11 is wrapped extrusion pipe 7 and is fixedly arranged on equipment seat 1, temperature control box four 12 is wrapped extrusion pipe 7 and is fixedly arranged on equipment seat 1, temperature control box five 13 is wrapped extrusion pipe 7 and is fixedly arranged on equipment seat 1, temperature control box six 14 is wrapped extrusion pipe 7 and is fixedly arranged on equipment seat 1, temperature control box seven 15 is wrapped extrusion pipe 7 and is fixedly arranged on equipment seat 1, temperature control box eight 16 is wrapped extrusion pipe 7 and is fixedly arranged on equipment seat 1, temperature control box one 9, temperature control box two 10, temperature control box three 11, temperature control box four 12, temperature control box five 13, temperature control box six 14, temperature control box seven 15 and temperature control box eight 16 are arranged in order from front to back and wrapped extrusion pipe 7, temperature control box one 9, temperature control box two 10, temperature control box three 11, temperature control box four 12, temperature control box five 13, temperature control box six 14, temperature control box seven 15 and temperature control box eight 16 are controlled separately.
[0018] As Figure 1 and Figure 2 shown, drive structure 4 includes reduction gearbox 17, shaft coupling 18, fixed seat 19 and drive motor 20, reduction gearbox 17 is fixedly arranged on equipment seat 1 and is axially arranged on extrusion host computer 5, shaft coupling 18 is fixedly arranged on reduction gearbox 17, fixed seat 19 is fixedly arranged on equipment seat 1, drive motor 20 is fixedly arranged on fixed seat 19 and is axially connected with shaft coupling 18, drive motor 20 adopts alternating current permanent magnet synchronous motor.
[0019] In practical use, when using this device, the user should, according to the special characteristics of the capacitor film material, sequentially set the heating temperatures of temperature control boxes 1 (9), 2 (10), 3 (11), 4 (12), 5 (13), 6 (14), 7 (15), and 8 (16). Then, control the drive motor 20 to rotate. At this time, the drive motor 20 drives the reduction gearbox 17 to rotate through the coupling 18. After the speed is reduced by the reduction gearbox 17, it drives the internal extrusion threaded rod 8 on the extruder 5 to rotate. Then, the capacitor film material is added to the extruder through the feeding port 6 on the extruder 5. Inside the extruder 5, the capacitor film material is being extruded, while the extrusion threaded rod 8 continuously rotates and extrudes within the extrusion tube 7. Simultaneously, temperature control boxes 1-9, 2-10, 3-11, 4-12, 5-13, 6-14, 7-15, and 8-16 heat the capacitor film material within the extrusion tube 7, causing it to melt until it is extruded from the end of the extrusion tube 7 onto the mold. Finally, it is combined with a biaxial stretching machine to form a thin film, thus obtaining a high-quality product. The above describes the entire process of using a biaxial stretching capacitor film extruder.
[0020] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
[0022] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A biaxially oriented capacitor film extruder, characterized in that: The device includes a base, casters, an extrusion structure, and a drive structure. The casters, extrusion structure, and drive structure are all mounted on the base. The extrusion structure includes an extruder, a feed inlet, an extrusion tube, an extrusion screw, and five temperature control boxes (one, two, three, four, five, six, seven, and eight). The extruder is fixedly mounted on the base, the feed inlet is mounted on the extruder, and the extrusion tube is fixedly mounted at the front end of the extruder. The extrusion tube is axially mounted inside the extrusion unit. Temperature control box one, temperature control box two, temperature control box three, temperature control box four, temperature control box five, temperature control box six, temperature control box seven, temperature control box eight are all fixed to the equipment base.
2. The extruder for biaxially oriented capacitor film according to claim 1, characterized in that: The drive structure includes a gearbox, a coupling, a fixed base, and a drive motor. The gearbox is fixedly mounted on the equipment base and axially mounted on the extrusion host. The coupling is fixedly mounted on the gearbox. The fixed base is fixedly mounted on the equipment base. The drive motor is fixedly mounted on the fixed base and axially connected to the coupling.
3. The extruder for biaxially oriented capacitor film according to claim 2, characterized in that: The temperature control boxes 1, 2, 3, 4, 5, 6, 7, and 8 are arranged sequentially from front to back to wrap the extrusion tube.
4. The extruder for biaxially oriented capacitor film according to claim 3, characterized in that: The drive motor is an AC permanent magnet synchronous motor.
5. The extruder for biaxially oriented capacitor film according to claim 4, characterized in that: The extrusion threaded rod is made of wear-resistant and high-temperature resistant material.
6. The extruder for biaxially oriented capacitor film according to claim 5, characterized in that: Temperature control boxes 1, 2, 3, 4, 5, 6, 7 and 8 are controlled individually.