Dual-drive single-screw forced feeding device
By designing a dual-drive single-screw forced feeding device, the problem of material deposition in the feeding device is solved, and the independent driving of the feeding component and the mixing component is realized, ensuring the stability and efficiency of the feeding screw.
Patent Information
- Application Number
- CN202423169605.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In the existing PVB film production process, the single-drive spindle feeding device results in insufficient material deposition in the feeding hopper, affecting the stability of the feeding screw.
The device employs a dual-drive single-screw forced feeding system. By setting up dual-source drive components, the feeding component and the mixing component are driven independently, ensuring that the mixing component can operate at different speeds when the feeding component is running at high speed, thus guaranteeing the stability of the feeding screw.
This ensures stable operation of the mixing component while the feeding component is running at high speed, preventing material sedimentation and improving the stability and efficiency of feeding.
Smart Images

Figure CN223520155U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PVB film feeding machine technical field, concretely is double drive single screw forced feeding device. BACKGROUND
[0002] Polyvinyl butyral (abbreviation PVB) film is a kind of high molecular material by polyvinyl butyral resin plasticizing extrusion forming with plasticizer.PVB film is translucent film, surface is even, there is certain roughness and good softness, has very good bonding force to inorganic glass, has transparent, heat-resistant, cold-resistant, moisture-resistant, mechanical strength and other characteristics, is one of the best bonding materials for manufacturing interlayer, safety glass in the world, is widely used in automobile glass, high-rise building glass and various bulletproof glass, but in the feeding process of polyvinyl butyral (abbreviation PVB) film production, the existing PVB single screw extrusion forced feeding device is single drive spindle, stirring shaft and feeding screw are the same drive, high-speed feeding is spindle stirring speed too fast, this mode can cause material to be not effectively and sufficiently deposited in feeding barrel, thereby affecting feeding screw to eat material, therefore present a kind of double drive single screw forced feeding device. SUMMARY
[0003] The utility model discloses a double drive single screw forced feeding device, by the double source drive subassembly of being set, to realize the separate drive process of feeding assembly and stirring assembly, so that stirring assembly can work at different speeds when feeding assembly high-speed operation, ensure the stability of feeding screw to eat material, effectively solve the problem that stirring assembly affects material deposition when feeding assembly high-speed operation.
[0004] To achieve the above object, the utility model provides the following technical scheme: double drive single screw forced feeding device, comprising: tank body;Feeding assembly and stirring assembly are distributed on the tank body;And double source drive component, for the separate control of feeding assembly and stirring assembly;The double source drive component includes the mounting seat set on the tank body and the installation slot in the mounting seat, and the installation slot includes inner groove and outer groove;Wherein, the first shaft seat in the inner groove is connected with stirring assembly and is provided with the first drive component between mounting seat;And the second shaft seat in the outer groove is connected with feeding assembly, and the second shaft seat is provided with the second drive component.
[0005] Preferably, the stirring assembly includes a stirring sleeve longitudinally rotatably mounted on the top of the tank body, and the top of the stirring sleeve is fixed with the first shaft seat, and the bottom extends into the tank body and is annularly fixed with a stirring rod.
[0006] Preferably, the first drive assembly includes a connecting groove formed on one side of the mounting base and a first mounting bearing disposed inside the connecting groove. A first drive motor is disposed on the first mounting bearing, and its output shaft passes downward through the first drive motor and is connected to a meshing transmission assembly between the first drive motor and the first shaft seat. When the first drive motor is driven, the meshing transmission assembly drives the first shaft seat to rotate.
[0007] Preferably, the meshing transmission assembly includes a drive gear fixed to the output end of the first drive motor and a driven gear assembled on the outer periphery of the first shaft seat, wherein the driven gear meshes with the drive gear.
[0008] Preferably, the feeding assembly includes a feeding main shaft that passes through the inside of the mixing sleeve, wherein the top end of the feeding main shaft is connected to the second drive assembly, and its bottom end extends through the bottom of the mixing sleeve to the feeding chamber below the tank and is provided with a feeding shaft; and an inlet hopper provided at the top of the tank and communicating with the tank.
[0009] Preferably, the second drive assembly includes a second mounting bearing assembled with a second shaft seat, and a second drive motor disposed on the second mounting bearing, wherein the output end of the second drive motor passes through the second mounting bearing and the through hole in the middle of the second shaft seat in sequence and is fixed to the top of the feeding spindle.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] The feeding component and stirring component of this utility model can be used for the spiral feeding and stirring process of materials respectively under the action of the dual-source drive component. The feeding component and stirring component designed in this application have independent drive functions, that is, when the feeding component is running at high speed, the stirring component can work at different speeds, ensuring the stability of the feeding spiral and effectively solving the problem that the stirring component affects the material deposition when the feeding component is running at high speed. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 for Figure 1 A schematic diagram of the disassembled structure;
[0014] Figure 3 for Figure 2 A partially enlarged structural diagram;
[0015] Figure 4 for Figure 1 A schematic diagram of the cross-sectional structure;
[0016] Figure 5 for Figure 4A schematic diagram of the disassembled structure;
[0017] Figure 6 for Figure 5 A partially enlarged structural diagram.
[0018] In the diagram: 111, tank body; 112, feed hopper; 211, mixing sleeve; 212, mixing rod; 311, feeding main shaft; 312, feeding shaft; 411, mounting base; 412, mounting groove; 413, connecting groove; 414, first shaft seat; 415, second shaft seat; 511, second mounting bearing; 512, second drive motor; 611, first mounting bearing; 612, first drive motor; 613, drive gear; 614, driven gear. Detailed Implementation
[0019] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The various embodiments of this utility model are described in detail below with reference to the accompanying drawings.
[0020] Please see Figures 1 to 6 The present invention preferably provides a technical solution: a dual-drive single-screw forced feeding device, comprising: a tank 111; a feeding assembly and a stirring assembly distributed inside and outside the tank 111; and a dual-source drive assembly for separate control of the feeding assembly and the stirring assembly; the dual-source drive assembly includes a mounting base 411 disposed on the tank 111, and a mounting groove 412 formed on the mounting base 411, the mounting groove 412 including an inner groove and an outer groove; wherein, a first shaft seat 414 disposed in the inner groove is connected to the stirring assembly and a first drive assembly is disposed between it and the mounting base 411; and a second shaft seat 415 disposed in the outer groove and connected to the feeding assembly, and a second drive assembly is disposed on the second shaft seat 415.
[0021] In this application, the tank body 111 has an overall hollow cavity structure with the tip pointing downwards, with a stirring chamber at the top and a feeding chamber at the bottom, combined with... Figure 1 , 4 As shown, the feeding components and stirring components distributed inside and outside the top are used for the spiral feeding and stirring process of materials, respectively. The design highlight of this application is that the feeding components and stirring components have independent driving functions. That is, when the feeding components are running at high speed, the stirring components can work at different speeds to ensure the stability of the feeding spiral.
[0022] The specific feeding assembly and stirring assembly are driven separately by a double-source driving assembly, as shown in Figure 3 、 5 , 6. The double-source driving assembly comprises a mounting seat 411 on the top of the tank 111. An installation groove 412 is formed in the mounting seat 411 and comprises an inner groove and an outer groove. A first shaft seat 414 is arranged in the inner groove and connected with the stirring assembly. A first driving assembly is arranged to drive the stirring assembly to operate separately. A second driving assembly is arranged on a second shaft seat 415 arranged in the outer groove and drives the feeding assembly to operate separately.
[0023] The double-source driving assembly is arranged to drive the feeding assembly and the stirring assembly separately. Thus, the stirring assembly can operate at different rotating speeds when the feeding assembly operates at a high speed, thereby ensuring the stability of the feeding screw and effectively solving the problem that the stirring structure affects the material deposition when the feeding mechanism operates at a high speed.
[0024] Further, the stirring assembly comprises a stirring sleeve 211 which is arranged to rotate longitudinally on the top of the tank 111. The top of the stirring sleeve 211 is fixed with the first shaft seat 414, and the bottom of the stirring sleeve 211 extends into the tank 111 and is fixed with a stirring rod 212 in a ring shape.
[0025] As shown in Figure 4 、 5 , 6, the stirring sleeve 211 is fixed with the first shaft seat 414. Thus, when the first driving assembly connected with the first shaft seat 414 operates, the stirring sleeve 211 is driven to rotate, and the stirring rod 212 simultaneously stirs the material in the tank 111.
[0026] Further, the first driving assembly comprises a connecting groove 413 arranged on one side of the mounting seat 411 and a first mounting bearing 611 arranged in the connecting groove 413. A first driving motor 612 is arranged on the first mounting bearing 611. The output shaft of the first driving motor 612 extends downward through the first driving motor 612 and is provided with an engagement transmission assembly between the first driving motor 612 and the first shaft seat 414. When the first driving motor 612 drives, the engagement transmission assembly drives the first shaft seat 414 to rotate. Further, the engagement transmission assembly comprises a driving gear 613 fixed on the output end of the first driving motor 612 and a driven gear 614 assembled on the outer periphery of the first shaft seat 414. The driven gear 614 and the driving gear 613 are engaged with each other.
[0027] The driving gear 613 fixed on the output end of the first driving motor 612 is engaged with the driven gear 614 fixed on the first shaft seat 414. Thus, when the first driving motor 612 starts, the first shaft seat 414 and the stirring sleeve 211 on the first shaft seat 414 are driven to rotate.
[0028] Further, the feeding assembly comprises a feeding main shaft 311 arranged through the inside of the stirring sleeve 211, wherein the top end of the feeding main shaft 311 is connected with the second driving assembly, the bottom end of the feeding main shaft 311 extends to the feeding cavity below the tank body 111 through the bottom of the stirring sleeve 211 and is provided with a feeding shaft 312; and the feeding bin 112 is arranged on the top of the tank body 111 and communicates with the tank body 111.
[0029] Here, the feeding main shaft 311 can be connected with the feeding shaft 312 as the connection structure of the second driving assembly, as shown in Figure 4 、 5 When the second driving assembly operates, the feeding shaft 312 rotates, so as to extrude the material stirred into the feeding cavity below the tank body 111 outward spirally.
[0030] Further, the second driving assembly comprises a second mounting bearing 511 assembled with the second shaft seat 415, and a second driving motor 512 arranged on the second mounting bearing 511, and the output end of the second driving motor 512 passes through the through hole in the middle of the second mounting bearing 511 and the second shaft seat 415 in sequence and is fixed with the top of the feeding main shaft 311, so as to be the driving source of the feeding main shaft 311 and the feeding shaft 312, as shown in Figure 4 、 5
[0031] In the utility model, unless another explicit provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can also be detachably connected, or can be integrated, and the detachable mounting modes are various, for example, can be matched by plug-in and buckle, and for example, can be connected by bolts.
[0032] The above embodiment is only used for further illustrating the utility model and cannot be understood as the limitation of the protection scope of the utility model, and the non-essential improvement and adjustment of the utility model by the technical engineers in the art according to the content of the above utility model all fall within the protection scope of the utility model.
Claims
1. Double drive single screw positive displacement device, characterized in that, The double drive single screw forced feeding device comprises a tank body (111), a feeding assembly and a stirring assembly distributed on the tank body (111), and a double source driving assembly for the separate control of the feeding assembly and the stirring assembly. The double source driving assembly comprises a mounting seat (411) arranged on the tank body (111) and a mounting groove (412) formed in the mounting seat (411), wherein the mounting groove (412) comprises an inner groove and an outer groove. The first shaft seat (414) arranged in the inner groove is connected with the stirring assembly and is provided with a first driving assembly between the mounting seat (411). The second shaft seat (415) arranged in the outer groove is connected with the feeding assembly, and the second shaft seat (415) is provided with a second driving assembly.
2. The double drive single screw forced feeding device according to claim 1, wherein the stirring assembly comprises a stirring sleeve (211) longitudinally rotatably arranged on the top of the tank body (111), the top of the stirring sleeve (211) is fixed with the first shaft seat (414), and the bottom of the stirring sleeve (211) extends into the tank body (111) and is annularly fixed with a stirring rod (212).
3. The double drive single screw forced feeding device according to claim 1, wherein the first driving assembly comprises a connecting groove (413) formed on one side of the mounting seat (411) and a first mounting bearing (611) arranged in the connecting groove (413), a first driving motor (612) is arranged on the first mounting bearing (611), the output shaft of the first driving motor (612) downwardly penetrates the first driving motor (612) and is provided with an engagement transmission assembly between the first driving motor (612) and the first shaft seat (414), and the engagement transmission assembly drives the first shaft seat (414) to rotate when the first driving motor (612) is driven.
4. The double drive single screw forced feeding device according to claim 3, wherein the engagement transmission assembly comprises a driving gear (613) fixed on the output end of the first driving motor (612) and a driven gear (614) assembled on the outer periphery of the first shaft seat (414), and the driven gear (614) and the driving gear (613) are in engagement with each other.
5. The double drive single screw forced feeding device according to claim 2, wherein the feeding assembly comprises a feeding main shaft (311) arranged in the stirring sleeve (211), wherein the top end of the feeding main shaft (311) is connected with the second driving assembly, the bottom end of the feeding main shaft (311) penetrates the bottom of the stirring sleeve (211) and extends to a feeding cavity below the tank body (111) and is provided with a feeding shaft (312), and an inlet bin (112) is arranged on the top of the tank body (111) and is in communication with the tank body (111).
6. The double drive single screw forced feeding device according to claim 1, wherein The second driving assembly comprises a second mounting bearing (511) assembled with the second shaft seat (415), and a second driving motor (512) arranged on the second mounting bearing (511), and an output end of the second driving motor (512) sequentially passes through a through hole in the middle of the second mounting bearing (511) and the second shaft seat (415) and is fixed with the top of the feeding main shaft (311).