Polyurethane raw material foaming tank

Abstract

The utility model relates to the technical field of polyurethane production, in particular to a polyurethane raw material foaming tank. Comprising a tank body, a metal heat conduction layer, a plurality of electric heating wires, a heat insulation layer, a support and a stirring assembly, the stirring assembly comprises a fixing frame, a driving part, a driving rod, a gear, a driving wheel, a driven wheel, a belt, a gear ring and a stirring rod, the fixing frame is fixedly connected with the support and located above the support, the driving part is arranged above the fixing frame, and the stirring rod is connected with the driving part; the stirring rod is arranged on the support and located in the tank body, the two ends of the driving rod are rotationally connected with the support and the fixing frame respectively, the outer wall of the stirring rod is sleeved with the driving wheel, the outer wall of the driving rod is sleeved with the driven wheel and the gear, the belt is connected with the driving wheel and the driven wheel, the outer wall of the heat insulation layer is sleeved with the gear ring, and the gear ring and the gear are in meshing transmission. The raw materials can be uniformly stirred and mixed in the tank body, and the mixing effect of the raw materials is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane production, in particular to a polyurethane raw material foaming tank. Background Art

[0002] During the production process, polyurethane materials need to be foamed in a foaming tank. Traditional foaming tanks are integral tanks with a hinged upper cover, a feed inlet on the upper cover, a discharge outlet at the bottom of the tank, and a stirring device inside the tank. The material in the tank is then heated to make the material foam under a certain pressure and temperature.

[0003] In the prior art patent CN212860174U discloses a polyurethane foaming tank, wherein a motor is provided on the top of the tank body, and the motor shaft of the motor is connected to a vertical stirring shaft in the tank body through a coupling, and a spiral stirring blade is provided on the vertical stirring shaft, and the raw materials are stirred in the tank body through the spiral stirring blade.

[0004] However, in the above-mentioned prior art patents, the stirring method of the raw materials in the tank body is single, resulting in insufficient stirring of the raw materials in the tank body and poor mixing effect of the raw materials. Utility Model Content

[0005] The utility model aims to provide a polyurethane raw material foaming tank, which solves the problem that the existing raw material stirring method in the tank body is single, resulting in insufficient stirring of the raw material in the tank body and poor mixing effect of the raw material.

[0006] To achieve the above-mentioned purpose, the utility model adopts a polyurethane raw material foaming tank, comprising a tank body, a metal heat-conducting layer, a plurality of electric heating wires, a heat-insulating layer, a bracket and a stirring assembly, wherein the heat-insulating layer is arranged above the bracket, the tank body is arranged in the heat-insulating layer, the metal heat-conducting layer is sleeved on the outside of the tank body and is located between the tank body and the heat-insulating layer, a plurality of the electric heating wires are evenly and vertically arranged in the metal heat-conducting layer, and the stirring assembly comprises a fixing frame, a driving member, a driving rod, a gear, a driving wheel, a driven wheel, a belt, a gear ring and a stirring rod. The fixing frame is fixedly connected to the bracket and is located above the bracket. The driving member is arranged above the fixing frame. The stirring rod is connected to the driving member and is located inside the tank body. Both ends of the driving rod are rotatably connected to the bracket and the fixing frame respectively. The driving wheel is sleeved on the outer wall of the stirring rod. The driven wheel and the gear are both sleeved on the outer wall of the driving rod. The belt is respectively connected to the driving wheel and the driven wheel. The gear ring is sleeved on the outer wall of the heat insulation layer, and the gear ring is meshed with the gear for transmission.

[0007] Wherein, the stirring assembly also includes a fixed sleeve, a connecting rod and a scraper, the fixed sleeve is arranged on the outer wall of the stirring rod, one end of the connecting rod is fixedly connected to the fixed sleeve, and the scraper is fixedly connected to the other end of the connecting rod.

[0008] Wherein, the driving component also includes a motor frame and a driving motor, the motor frame is fixedly connected to the fixing frame and is located above the fixing frame, and the driving motor is fixedly connected to the motor frame and is located inside the motor frame.

[0009] Wherein, the polyurethane raw material foaming tank also includes a lifting component, and the lifting component is arranged below the bracket.

[0010] Among them, the lifting assembly includes a support frame, multiple cylinders and multiple cylinder seats. The support frame is movably connected to the bracket and is located below the bracket. The multiple cylinders are fixedly connected to the support frame and are located above the support frame. Each of the cylinders is respectively arranged in the corresponding cylinder seat, and the output end of each cylinder is fixedly connected to the bracket.

[0011] Wherein, the lifting assembly further includes a plurality of rubber pads, and the plurality of rubber pads are all fixedly connected to the supporting frame and are all located below the supporting frame.

[0012] The utility model discloses a polyurethane raw material foaming tank. When processing the polyurethane raw material, the raw material is added into the tank body and then the driving part is started. The driving part drives the stirring rod to rotate and mixes and stirs the raw materials in the tank body. At the same time, the stirring rod drives the driving wheel to rotate. The driving wheel drives the driven wheel to rotate through the belt. The rotation of the driven wheel drives the driving rod to rotate between the fixing frame and the bracket. The driving rod drives the gear to rotate. Since the gear is meshed with the gear ring, the heat insulation layer rotates above the bracket. The tank body rotates with the heat insulation layer. The rotation direction of the tank body is opposite to the rotation direction of the stirring rod. At this time, the raw materials are fully stirred in the tank body. Through the above method, it is achieved that the raw materials in the tank body can be stirred and mixed evenly, and the mixing effect of the raw materials is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0015] Figure 2 It is a cross-sectional view of the overall internal structure of the first embodiment of the utility model.

[0016] Figure 3 It is a partial structural top view of the first embodiment of the utility model.

[0017] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0018] 101-tank body, 102-metal heat conductive layer, 103-electric heating wire, 104-insulating layer, 105-bracket, 106-fixed frame, 107-motor frame, 108-driving motor, 109-driving rod, 110-gear, 111-driving wheel, 112-driven wheel, 113-belt, 114-gear ring, 115-stirring rod, 116-fixed sleeve, 117-connecting rod, 118-scraper, 201-support frame, 202-cylinder, 203-cylinder seat, 204-rubber pad. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0020] First embodiment

[0021] See also Figure 1 to Figure 3 ,in Figure 1 is a schematic diagram of the overall structure of the first embodiment, Figure 2 is a cross-sectional view of the overall internal structure of the first embodiment, Figure 3 It is a top view of a part of the structure of the first embodiment.

[0022] The utility model provides a polyurethane raw material foaming tank: including a tank body 101, a metal heat-conducting layer 102, a plurality of electric heating wires 103, a heat-insulating layer 104, a bracket 105 and a stirring assembly, wherein the stirring assembly includes a fixing frame 106, a driving member, a driving rod 109, a gear 110, a driving wheel 111, a driven wheel 112, a belt 113, a gear ring 114, a stirring rod 115, a fixing sleeve 116, a connecting rod 117 and a scraper 118, and the driving member also includes a motor frame 107 and a driving motor 108. The above-mentioned solution solves the problem that the existing raw material stirring method in the tank body is single, resulting in insufficient stirring of the raw material in the tank body and poor mixing effect of the raw material.

[0023] According to this specific embodiment, the thermal insulation layer 104 is arranged above the bracket 105, the tank body 101 is arranged in the thermal insulation layer 104, the metal heat conductive layer 102 is sleeved on the outside of the tank body 101 and is located between the tank body 101 and the thermal insulation layer 104, a plurality of the electric heating wires 103 are evenly and vertically arranged in the metal heat conductive layer 102, the raw material is added in the tank body 101, the metal heat conductive layer 102 is arranged around the lower part of the tank body 101, the vertically arranged electric heating wires 103 are evenly arranged in the metal heat conductive layer 102, the thermal insulation layer 104 is arranged around the outside of the metal heat conductive layer 102, the bottom heating device heats the polyurethane raw material to improve its fluidity, the mixing in the tank body 101 is more uniform, and the discharge also has a higher flow rate.

[0024] The fixing frame 106 is fixedly connected to the bracket 105 and is located above the bracket 105. The driving member is arranged above the fixing frame 106. The stirring rod 115 is connected to the driving member and is located in the tank body 101. The two ends of the driving rod 109 are rotatably connected to the bracket 105 and the fixing frame 106 respectively. The driving wheel 111 is sleeved on the outer wall of the stirring rod 115. The driven wheel 112 and the gear 110 are both sleeved on the outer wall of the driving rod 109. The belt 113 is connected to the driving wheel 111 and the driven wheel 112 respectively. The gear ring 114 is sleeved on the outer wall of the insulation layer 104, and the gear ring 114 is meshed with the gear 110 for transmission. When the polyurethane raw material is processed, the raw material is added into the tank body 101 and then the driving member is started. The driving member will drive the The stirring rod 115 rotates and mixes the raw materials in the tank body 101. At the same time, the stirring rod 115 drives the driving wheel 111 to rotate. The driving wheel 111 drives the driven wheel 112 to rotate through the belt 113. The rotation of the driven wheel 112 drives the driving rod 109 to rotate between the fixed frame 106 and the bracket 105. The driving rod 109 drives the gear 110 to rotate. Since the gear 110 is meshed with the gear ring 114, the insulation layer 104 rotates above the bracket 105, and the tank body 101 rotates with the insulation layer 104. The rotation direction of the tank body 101 is opposite to the rotation direction of the stirring rod 115. At this time, the raw materials are fully stirred in the tank body 101. Through the above method, it is achieved that the raw materials in the tank body 101 can be stirred and mixed evenly, and the mixing effect of the raw materials is improved.

[0025] Secondly, the fixed sleeve 116 is sleeved on the outer wall of the stirring rod 115, one end of the connecting rod 117 is fixedly connected to the fixed sleeve 116, and the scraper 118 is fixedly connected to the other end of the connecting rod 117. When the stirring rod 115 rotates in the tank body 101, the fixed sleeve 116 will rotate along with it, and drive the scraper 118 to scrape the inner wall of the tank body 101 through the connecting rod 117 to avoid the raw materials from being retained on the inner wall of the tank body 101.

[0026] At the same time, the motor frame 107 is fixedly connected to the fixed frame 106 and is located above the fixed frame 106. The drive motor 108 is fixedly connected to the motor frame 107 and is located inside the motor frame 107. The motor frame 107 fixedly supports the drive motor 108 above the tank body 101, and the output end of the drive motor 108 controls the stirring rod 115 to rotate inside the tank body 101.

[0027] When the polyurethane raw material is processed, the raw material is added into the tank body 101, and then the driving motor 108 in the motor frame 107 is started. The driving motor 108 drives the stirring rod 115 to rotate, and mixes and stirs the raw materials in the tank body 101. At the same time, the stirring rod 115 drives the driving wheel 111 to rotate, and the driving wheel 111 drives the driven wheel 112 to rotate through the belt 113. The rotation of the driven wheel 112 drives the driving rod 109 to rotate between the fixing frame 106 and the bracket 105. The driving rod 109 drives the gear 110 to rotate. Since the gear 110 is meshed with the gear ring 114, The heat insulating layer 104 rotates above the bracket 105, and the tank body 101 rotates along with the heat insulating layer 104. The rotation direction of the tank body 101 is opposite to the rotation direction of the stirring rod 115. At this time, the raw materials are fully stirred in the tank body 101. When the stirring rod 115 rotates in the tank body 101, the fixed sleeve 116 rotates along with it. The fixed sleeve 116 drives the scraper 118 to scrape the inner wall of the tank body 101 through the connecting rod 117 to avoid the raw materials from being retained on the inner wall of the tank body 101. In this way, the raw materials can be stirred and mixed evenly in the tank body 101, thereby improving the mixing effect of the raw materials.

[0028] Second embodiment

[0029] See also Figure 4 ,in Figure 4It is a schematic diagram of the overall structure of the second embodiment. Based on the first embodiment, the utility model provides a polyurethane raw material foaming tank including a lifting assembly, wherein the lifting assembly includes a support frame 201, a plurality of cylinders 202, a plurality of cylinder seats 203 and a plurality of rubber pads 204.

[0030] The lifting assembly is disposed below the bracket 105 , and the height of the tank body 101 can be adjusted by the lifting assembly, so that people of different heights can use the tank body 101 and the operation is convenient.

[0031] The support frame 201 is movably connected to the bracket 105 and is located below the bracket 105. The multiple cylinders 202 are fixedly connected to the support frame 201 and are located above the support frame 201. Each of the cylinders 202 is respectively arranged in the corresponding cylinder seat 203, and the output end of each of the cylinders 202 is fixedly connected to the bracket 105. When the height of the tank body 101 is adjusted, by starting the multiple cylinders 202 on the support frame 201, the output ends of the multiple cylinders 202 can push the bracket 105 up and down, and the bracket 105 will move on the support frame 201, thereby realizing the lifting and lowering adjustment of the tank body 101, making it convenient for people of different heights to use the tank body 101 and facilitating operation.

[0032] The plurality of rubber pads 204 are all fixedly connected to the support frame 201 and are all located below the support frame 201 . By arranging the rubber pads 204 below the support frame 201 , the rubber pads 204 can increase the friction between the support frame 201 and the ground.

[0033] When the height of the tank body 101 is adjusted, by starting the multiple cylinders 202 on the support frame 201, the output ends of the multiple cylinders 202 can push the bracket 105 up and down, and the bracket 105 will move on the support frame 201, thereby realizing the lifting and lowering adjustment of the tank body 101, making it convenient for people of different heights to use the tank body 101 and facilitating operation. In addition, by arranging the rubber pad 204 under the support frame 201, the rubber pad 204 can increase the friction between the support frame 201 and the ground.

[0034] The above disclosures are only two preferred embodiments of the present invention, which certainly cannot be used to limit the scope of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims

1. A polyurethane raw material foaming tank, comprising a tank body, a metal heat-conducting layer, a plurality of electric heating wires, a heat-insulating layer and a bracket, wherein the heat-insulating layer is arranged above the bracket, the tank body is arranged in the heat-insulating layer, the metal heat-conducting layer is sleeved on the outside of the tank body and is located between the tank body and the heat-insulating layer, and the plurality of electric heating wires are evenly and vertically arranged in the metal heat-conducting layer, characterized in that: The invention also includes a stirring assembly, which includes a fixed frame, a driving member, a driving rod, a gear, a driving wheel, a driven wheel, a belt, a gear ring and a stirring rod. The fixed frame is fixedly connected to the bracket and is located above the bracket. The driving member is arranged above the fixed frame. The stirring rod is connected to the driving member and is located in the tank body. Both ends of the driving rod are rotatably connected to the bracket and the fixed frame respectively. The driving wheel is sleeved on the outer wall of the stirring rod. The driven wheel and the gear are both sleeved on the outer wall of the driving rod. The belt is connected to the driving wheel and the driven wheel respectively. The gear ring is sleeved on the outer wall of the thermal insulation layer, and the gear ring is meshed with the gear for transmission.

2. The polyurethane raw material foaming tank according to claim 1, characterized in that: The stirring assembly also includes a fixed sleeve, a connecting rod and a scraper. The fixed sleeve is sleeved on the outer wall of the stirring rod, one end of the connecting rod is fixedly connected to the fixed sleeve, and the scraper is fixedly connected to the other end of the connecting rod.

3. The polyurethane raw material foaming tank according to claim 2, characterized in that: The driving member also includes a motor frame and a driving motor. The motor frame is fixedly connected to the fixing frame and is located above the fixing frame. The driving motor is fixedly connected to the motor frame and is located inside the motor frame.

4. The polyurethane raw material foaming tank according to claim 1, characterized in that: The polyurethane raw material foaming tank also includes a lifting component, and the lifting component is arranged below the bracket.

5. The polyurethane raw material foaming tank according to claim 4, characterized in that: The lifting assembly includes a support frame, multiple cylinders and multiple cylinder seats. The support frame is movably connected to the bracket and is located below the bracket. The multiple cylinders are fixedly connected to the support frame and are located above the support frame. Each of the cylinders is respectively arranged in the corresponding cylinder seat, and the output end of each cylinder is fixedly connected to the bracket.

6. The polyurethane raw material foaming tank according to claim 5, characterized in that: The lifting assembly further comprises a plurality of rubber pads, which are all fixedly connected to the supporting frame and are all located below the supporting frame.

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