Low-cost stirring device
By designing a rotating roller and a spiral track, the problems of high impact force during the resetting of the stirring blades and high motor load are solved, achieving a stable stirring effect at low cost.
Patent Information
- Application Number
- CN202520073437.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-13
AI Technical Summary
In existing mixing devices, the reset of the mixing blades relies on spring force, which results in large impact force, unstable equipment, and heavy motors requiring high power, leading to high costs.
It adopts a rotating roller and spiral track design. The driving motor drives the stirring blades to rotate and move up and down reciprocally. The spiral track achieves smooth movement and reduces the load on the motor.
This achieves stable rotation and reciprocating movement of the stirring blades, reducing the power requirements of the motor and lowering the equipment procurement costs.
Smart Images
Figure CN223719862U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to polyurethane foam production technical field especially is low -cost stirring device. BACKGROUND
[0002] Polyurethane (Polyurethane, PU for short) is a kind of high molecular material, full name is polyurethane. Polyurethane can be made into polyurethane foam, polyurethane fiber, polyurethane rubber and elastomer etc. Polyurethane can also be used to make adhesive, paint etc.
[0003] Polyurethane foam is often used to produce the seat pad of automobile seat, and polyurethane foam is a high molecular polymer formed by high-pressure spraying site foaming after isocyanate and polyether as main raw materials, foaming agent, catalyst, flame retardant and a variety of additives are stirred and mixed uniformly.
[0004] In the production process of polyurethane foam, the raw materials and additives need to be stirred and mixed by using a stirring device. Although the current stirring device realizes the rotation and up-down reciprocating movement of the stirring blade by one motor, the upward reset of the stirring blade is only driven by the upward reset force of the spring, and the impact force at the end during upward reset is large, which is not conducive to the stable operation of the equipment.
[0005] In addition, when the motor moves the stirring blade up and down, the motor moves up and down, and because the weight of the motor is heavy, the load of the motor is large, so a motor with large power needs to be selected, and the cost is high. UTILITY MODEL CONTENTS
[0006] In view of the above problems, the utility model provides a low -cost stirring device, to solve the current stirring device although the rotation and up-down reciprocating movement of the stirring blade are realized by one motor, but the upward reset of the stirring blade is only driven by the upward reset force of the spring, and the impact force at the end during upward reset is large, which is not conducive to the stable operation of the equipment. In addition, when the motor moves the stirring blade up and down, the motor moves up and down, and because the weight of the motor is heavy, the load of the motor is large, so a motor with large power needs to be selected, and the cost is high.
[0007] To achieve the above purpose, the utility model provides the following technical scheme:
[0008] The utility model provides a low -cost stirring device, including:
[0009] Tank body;
[0010] Stirring shaft;
[0011] Stirring blade, connect in the lower end of stirring shaft and be located in tank body;
[0012] A rotating roller is vertically arranged on one side of the stirring shaft, and the outer wall of the rotating roller is provided with a first spiral track and a second spiral track, one end of the first spiral track extends from bottom to top and is connected with the upper end of the second spiral track, and one end of the second spiral track extends from top to bottom and is connected with the lower end of the first spiral track.
[0013] A lifting plate is arranged between the stirring shaft and the rotating roller and is longitudinally movably arranged above the tank body, one end of the lifting plate is slidably connected with the first spiral track or the second spiral track, and the lifting plate can drive the stirring shaft to reciprocatingly move up and down.
[0014] A driving motor is in transmission connection with the driving shaft and the rotating roller, and the driving motor is longitudinally fixed relative to the rotating roller.
[0015] A driving shaft is vertically arranged above the stirring shaft, the driving shaft is connected with the output shaft of the driving motor, and the driving shaft is longitudinally inserted into the stirring shaft and can drive the stirring shaft to rotate.
[0016] In some embodiments of the present application, the driving shaft and the rotating roller are connected through a belt and a belt pulley.
[0017] In some embodiments of the present application, the upper end of the stirring shaft is in a polygonal cross section.
[0018] In some embodiments of the present application, the transmission rod extends into the annular gap.
[0019] In some embodiments of the present application, one end of the lifting plate is connected with an extension rod, the extension rod extends into the first spiral track or the second spiral track and can slide along the track of the first spiral track or the second spiral track.
[0020] In some embodiments of the present application, the tank body is detachably connected with a connecting plate, the connecting plate is connected with a support, and the upper and lower ends of the rotating roller are rotatably connected with the support.
[0021] In some embodiments of the present application, the driving motor is mounted on the support.
[0022] In some embodiments of the present application, a vertical rod is arranged on the support, and the lifting plate is slidably connected with the vertical rod.
[0023] The embodiments of the present application have at least the following advantages or beneficial effects:
[0024] The rotation and up-down reciprocating movement of the stirring blade are realized by a driving motor, and the required power source is less; through the setting of the first spiral track and the second spiral track, the lifting plate, the stirring shaft and the stirring blade can stably move up and down reciprocatingly in the whole process under the driving of the driving motor, which is beneficial to the stable operation of the equipment.
[0025] Other features and advantages of the present application will be described in the following description, and some of them will become apparent from the description, or will be understood through implementation of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0027] Figure 1 It is a low-cost stirring device.
[0028] Icon:
[0029] 1 - tank body,
[0030] 2 - stirring shaft, 21 - annular notch,
[0031] 3 - stirring blade,
[0032] 4 - rotating roller, 41 - first spiral track, 42 - second spiral track,
[0033] 5 - lifting plate, 51 - extension rod, 52 - transmission rod,
[0034] 6 - driving motor, 61 - belt,
[0035] 71 - connecting plate, 72 - support, 73 - vertical rod,
[0036] 8 - driving shaft. DETAILED DESCRIPTION
[0037] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application.
[0038] In the description of the embodiments of the utility model, it is understood that the terms "longitudinal", "transverse", "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model.
[0039] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0040] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.
[0041] The embodiments of the utility model will be described in detail below.
[0042] Referring to Figure 1 , the embodiment provides a low-cost stirring device, which comprises a tank body 1, a stirring shaft 2, stirring blades 3, rotating rollers 4, lifting plates 5, a driving motor 6 and a driving shaft 8.
[0043] The tank body 1 is used for containing raw materials and additives for producing polyurethane foam.
[0044] The stirring shaft 2 is longitudinally movably arranged.
[0045] The stirring blades 3 are connected to the lower end of the stirring shaft 2 and located in the tank body 1.
[0046] The rotating roller 4 is vertically arranged on one side of the stirring shaft 2; the outer side wall of the rotating roller 4 is provided with a first spiral track 41 and a second spiral track 42, one end of the first spiral track 41 extends from below to above and is connected with the upper end of the second spiral track 42, and one end of the second spiral track 42 extends from above to below and is connected with the lower end of the first spiral track 41.
[0047] The lifting plate 5 is longitudinally movably arranged above the tank body 1 between the stirring shaft 2 and the rotating roller 4, one end of the lifting plate 5 is slidably connected with the first spiral track 41 or the second spiral track 42; the lifting plate 5 can drive the stirring shaft 2 and the stirring blade 3 to reciprocate vertically.
[0048] The driving motor 6 is in driving connection with the driving shaft 8 and the rotating roller 4. The driving motor 6 is longitudinally fixed relative to the rotating roller 4.
[0049] The driving shaft 8 is vertically arranged above the stirring shaft 2, the driving shaft 8 is connected with the output shaft of the driving motor 6, the driving shaft 8 is longitudinally inserted into the stirring shaft 2, the upper end of the stirring shaft 2 is polygonal in cross section, and the driving shaft 8 can drive the stirring shaft 2 to rotate.
[0050] During the rotation of the rotating roller 4 and the stirring shaft 2 driven by the driving motor 6, the lifting plate 5 can slide along the first spiral track 41, enter the second spiral track 42, and then return to the first spiral track 41, so as to realize the vertical reciprocating movement of the lifting plate 5, so that the raw materials and additives in the tank body 1 are uniformly mixed by the vertical reciprocating movement of the stirring shaft 2 and the stirring blade 3 driven by the lifting plate 5 while the stirring blade 3 is rotated by the stirring shaft 2. That is, the rotation and vertical reciprocating movement of the stirring blade 3 are realized by one driving motor 6 in the embodiment, and the required power source is less; the first spiral track 41 and the second spiral track 42 are arranged, so that the lifting plate 5, the stirring shaft 2 and the stirring blade 3 can stably vertically reciprocate under the driving of the driving motor 6, which is beneficial to the stable operation of the equipment. In addition, the longitudinal relative position of the driving motor 6 and the rotating roller 4 is fixed, and the driving motor 6 does not move vertically when the stirring blade 3 vertically reciprocates, so that the power requirement of the driving motor 6 is low, and the purchase cost of the driving motor 6 is low.
[0051] The lifting plate 5 drives the stirring shaft 2 and the stirring blade 3 to vertically reciprocate in the following manner: the end of the lifting plate 5 facing the stirring shaft 2 has a transmission rod 52, the stirring shaft 2 has an annular notch 21 matched with the transmission rod 52, and the transmission rod 52 extends into the annular notch 21. When the lifting plate 5 and the transmission rod 52 move longitudinally, the transmission rod 52 can drive the stirring shaft 2 to move longitudinally.
[0052] One end of the lifting plate 5 is slidably connected with the first spiral track 41 or the second spiral track 42 in the following manner: one end of the lifting plate 5 is connected with an extension rod 51, the extension rod 51 extends into the first spiral track 41 or the second spiral track 42 and can slide along the track of the first spiral track 41 or the second spiral track 42.
[0053] The driving motor 6 is in driving connection with the driving shaft 8 and the rotating roller 4 in the following manner: the driving shaft 8 and the rotating roller 4 are in driving connection through the belt 61 and the belt 61 wheel.
[0054] When the driving motor 6 works, the driving shaft 8 drives the stirring shaft 2 to rotate, and the stirring shaft 2 drives the stirring blade 3 to rotate; the driving shaft 8 drives the rotating roller 4 to rotate through the belt 61 and the belt 61 wheel, and when the rotating roller 4 rotates, the extension rod 51 on the lifting plate 5 can slide along the first spiral track 41, enter the second spiral track 42, and then return to the first spiral track 41, so as to realize the reciprocating movement of the lifting plate 5, and the stirring shaft 2 and the stirring blade 3 are driven by the lifting plate 5 to move up and down, so that the raw materials and the additives in the tank body 1 are uniformly mixed.
[0055] The rotating roller 4 is vertically arranged above the tank body 1 in the following manner: the tank body 1 is detachably connected with a connecting plate 71 through bolt connection, the connecting plate 71 is connected with a support 72, and the upper and lower ends of the rotating roller 4 are rotatably connected with the support 72 through bearings; and the driving motor 6 is installed on the support 72. The connecting plate 71 is detachably connected with the tank body 1, so that the rotating roller 4, the driving motor 6 and other components can be disassembled from the tank body 1, so that the equipment can be transported after being disassembled.
[0056] The lifting plate 5 is longitudinally movably arranged in the following manner: a vertical rod 73 is arranged on the support 72, and the lifting plate 5 is slidably connected with the vertical rod 73. The vertical rod 73 guides and supports the longitudinal movement of the lifting plate 5.
[0057] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations, and the embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other without conflict. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A low cost stirring device characterized by, The utility model relates to a stirring device for a tank, comprising: a tank body; a stirring shaft; stirring blades connected to the lower end of the stirring shaft and located in the tank body; a rotating roller vertically arranged on one side of the stirring shaft, the outer wall of the rotating roller having a first spiral track and a second spiral track, one end of the first spiral track extending from bottom to top and connected to the upper end of the second spiral track, one end of the second spiral track extending from top to bottom and connected to the lower end of the first spiral track; a lifting plate located between the stirring shaft and the rotating roller and longitudinally movably arranged above the tank body, one end of the lifting plate being slidably connected to the first spiral track or the second spiral track, the lifting plate being capable of driving the stirring shaft to reciprocally move up and down; a driving motor drivingly connected to a driving shaft and the rotating roller, the driving motor having a fixed longitudinal position relative to the rotating roller; a driving shaft vertically arranged above the stirring shaft, the driving shaft being connected to the output shaft of the driving motor, the driving shaft being longitudinally inserted into the stirring shaft and capable of driving the stirring shaft to rotate.
2. The low cost stirring device of claim 1, wherein, The driving shaft and the rotating roller are connected through a belt and a belt pulley.
3. The low cost stirring device of claim 1, wherein, The upper end of the stirring shaft has a polygonal cross section.
4. The low cost stirring device of claim 1, wherein, One end of the lifting plate has a transmission rod, and the stirring shaft has an annular notch, the transmission rod extending into the annular notch.
5. The low cost stirring device of claim 1, wherein, One end of the lifting plate is connected to an extension rod, the extension rod extending into the first spiral track or the second spiral track and being capable of sliding along the track of the first spiral track or the second spiral track.
6. A low cost stirring device according to any one of claims 1 to 5, wherein A connecting plate is detachably connected to the tank body, the connecting plate being connected to a support, the upper and lower ends of the rotating roller being rotatably connected to the support.
7. A low cost stirring device as claimed in claim 6, wherein, The driving motor is mounted on the support.
8. The low cost stirring device of claim 6, wherein, The support is provided with a vertical rod, and the lifting plate is slidably connected to the vertical rod.