CN215359523U

CN215359523U - Foaming device for polyurethane foam production

Info

Publication number: CN215359523U
Application number: CN202121746771.7U
Authority: CN
Inventors: 张云龙; 李志伟; 田义爽
Original assignee: Tianjin Jiabo Foam Co ltd
Current assignee: Tianjin Jiabo Foam Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-31
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to a foaming device for producing polyurethane foam, which comprises a box body with an opening at the top end, wherein the top end of the box body is provided with a top cover, a placing seat is arranged on the top cover, the top end of the placing seat is provided with a fan, the air outlet end of the fan is horizontally connected with a connecting pipe, the other end of the connecting pipe is vertically connected with an air supply pipe, the bottom of the air supply pipe penetrates through the top cover to be communicated with the inside of the box body, and an air flow regulating mechanism is arranged in the air supply pipe. The foam discharging device is ingenious in structural design, the stirring shaft provided with the stirring rod II and the stirring rod I is arranged, the spring, the steel ball and the reciprocating moving assembly are arranged on the stirring rod I, the problem of unsatisfactory stirring effect is solved, the defect that the mixing amount of gas is not easy to adjust is overcome by arranging the gas flow adjusting mechanism, the foam discharging is facilitated by arranging the material guide plate with the supporting vertical plate and the electric cylinder and matching the material discharging pipe, and the foam production efficiency is guaranteed.

Description

Foaming device for polyurethane foam production

Technical Field

The utility model relates to the technical field of foam production devices, in particular to a foaming device for producing polyurethane foam.

Background

In the production process of polyurethane foam, raw materials need to be foamed first, and a foaming device is mostly adopted to achieve the foaming purpose when the raw materials are foamed. The polyurethane foaming mainly comprises two modes of chemical foaming and physical foaming, wherein the physical foaming mainly utilizes a mechanical foaming mode and a mechanical stirring method to mix gas into a liquid mixture, and then the polyurethane foam is prepared by a foaming method of forming cells through a shaping process. The existing foaming device has the defects of poor stirring effect and difficulty in adjusting the mixing amount of gas, the foam quality is reduced, and the discharging is not convenient and fast, so that the production efficiency of the foam is slowed down.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a foaming device for producing polyurethane foam.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a foaming device for producing polyurethane foam comprises a box body with an opening at the top end, a top cover is arranged at the top end of the box body, a placing seat is arranged on the top cover, a fan is arranged at the top end of the placing seat, a connecting pipe is horizontally connected with an air outlet end of the fan, an air supply pipe is vertically connected with the other end of the connecting pipe, the bottom of the air supply pipe penetrates through the top cover and is communicated with the inside of the box body, an air flow adjusting mechanism is arranged in the air supply pipe, the air flow adjusting mechanism is arranged in the air supply pipe positioned on the outer side of the top cover, a feeding hopper is arranged on one side of the placing seat on the top cover, a feeding pipe is connected with the bottom of the feeding hopper and penetrates through the top cover and is communicated with the inside of the box body, a reciprocating moving assembly is horizontally arranged at the upper part in the box body, the feeding pipe is positioned on one side of the reciprocating moving assembly, a stirring motor is arranged on the reciprocating assembly, the output end of the stirring motor penetrates through the reciprocating assembly and is coaxially provided with a stirring shaft, a plurality of stirring rods I which are arranged in a left-right staggered mode from top to bottom, the outer end of every puddler one all is equipped with the steel ball, ann has the spring between steel ball and the corresponding puddler one, the bottom ann of (mixing) shaft has a pair of puddler two, lower part in the box is equipped with the stock guide, the stock guide is located the below of puddler two, be equipped with the support riser that sets up around a pair of between the bottom in stock guide and the box, it is connected with the pivot to rotate between two support risers, the lower surface rigid coupling of pivot and stock guide, it has the electric jar even to keep away from one side of supporting the riser to the lower surface of stock guide articulated, the other end of electric jar articulates the bottom in the box, ann has the discharging pipe that is linked together with the inside of box bottom the lateral wall of box, ann has electromagnetic valve in the pipeline of discharging pipe.

The bottom of box rigid coupling has a plurality of vertical supporting legs that correspond.

The box body is connected with the top cover through threads.

The connecting pipe and the air supply pipe are of an integral structure.

The air current adjustment mechanism includes the threaded rod that is on a parallel with the air supply pipe, and the threaded rod sets up in the air supply pipe, and the air supply pipe is square pipe, and the top coaxial even of threaded rod has motor one, and motor one is installed on the connecting pipe, and there is the limiting plate bottom the threaded rod ann, and threaded sleeve has the shift ring on the threaded rod, and the outside of shift ring articulates the connecting rod about the threaded rod symmetry, and the other end of connecting rod articulates there is the horizontally baffle, and two baffles are located the below of threaded rod and correspond the setting, and the outside of baffle articulates on the inner wall of air supply pipe.

Reciprocating motion subassembly is including installing the guide holder on upper portion in the box, lower part in the guide holder is equipped with the downward bar spacing groove of opening, be equipped with reciprocal lead screw in the bar spacing groove, the one end of reciprocal lead screw is rotated and is connected on the inner end wall of bar spacing groove, the coaxial motor two that even has of the other end of reciprocal lead screw, motor two is installed on the lateral wall of box, the thread bush has the movable block on the reciprocal lead screw, the movable block is rectangular block, the front and back lateral wall of movable block all laminates with the inner wall of bar spacing groove, upper portion at the guide holder is equipped with the fluting that is parallel and be linked together with the bar spacing groove, agitator motor and movable block rigid coupling, agitator motor removes in the fluting.

The guide seat is fixedly connected with the box body in a welding mode.

The utility model has the beneficial effects that: the foam discharging device is ingenious in structural design, the stirring shaft provided with the stirring rod II and the stirring rod I is arranged, the spring, the steel ball and the reciprocating moving assembly are arranged on the stirring rod I, the problem of unsatisfactory stirring effect is solved, the defect that the mixing amount of gas is not easy to adjust is overcome by arranging the gas flow adjusting mechanism, the foam discharging is facilitated by arranging the material guide plate with the supporting vertical plate and the electric cylinder and matching the material discharging pipe, and the foam production efficiency is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1-supporting legs; 2, supporting a vertical plate; 3, a box body; 4-a material guide plate; 5-a second stirring rod; 6-an electric cylinder; 7-a discharge pipe; 8-stirring shaft; 9-a first stirring rod; 10-a spring; 11-a guide seat; 12-a strip-shaped limiting groove; 13-a top cover; 14-a loading hopper; 15-reciprocating screw rod; 16-a moving block; 17-a stirring motor; 18-a fan; 19-placing seats; 20-connecting pipe; 21-motor one; 22-moving ring; 23-a threaded rod; 24-a connecting rod; 25-a baffle plate; 26-motor two; 27-a gas supply tube; 28-steel balls;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in the figure, a foaming device is used in polyurethane foam production, including supporting leg 1, support riser 2, box 3, stock guide 4, puddler two 5, electricity jar 6, discharging pipe 7, (mixing) shaft 8, puddler 9, spring 10, reciprocating motion subassembly, top cap 13, loading hopper 14, agitator motor 17, fan 18, place seat 19, connecting pipe 20, air current adjustment mechanism, air supply pipe 27, steel ball 28.

The top end of the box body 3 is opened, the top end of the box body 3 is provided with a top cover 13, the top cover 13 is provided with a placing seat 19, the top end of the placing seat 19 is provided with a fan 18, the air outlet end of the fan 18 is horizontally connected with a connecting pipe 20, the other end of the connecting pipe 20 is vertically connected with an air supply pipe 27, the bottom of the air supply pipe 27 penetrates through the top cover 13 and is communicated with the inside of the box body 3, the air supply pipe 27 is internally provided with an air flow adjusting mechanism, the air flow adjusting mechanism is arranged in the air supply pipe 27 positioned at the outer side of the top cover 13, one side of the placing seat 19 on the top cover 13 is provided with a hopper 14, the bottom of the hopper 14 is connected with a feeding pipe, the feeding pipe penetrates through the top cover 13 and is communicated with the inside of the box body 3, the upper part in the box body 3 is horizontally provided with a reciprocating component, the feeding pipe is positioned at one side of the reciprocating component, the stirring motor 17 is arranged on the reciprocating component, the output end of the stirring motor 17 penetrates through the reciprocating component and is coaxially provided with a stirring shaft 8, a plurality of first stirring rods 9 which are staggered left and right are arranged on the stirring shaft 8 from top to bottom, the outer end of each first stirring rod 9 is provided with a steel ball 28, a spring 10 is arranged between each steel ball 28 and the corresponding first stirring rod 9, the bottom of the stirring shaft 8 is provided with a pair of second stirring rods 5, the lower part of the interior of the box body 3 is provided with a material guide plate 4, the material guide plate 4 is positioned below the second stirring rod 5, a pair of supporting vertical plates 2 which are arranged front and back are arranged between the material guide plate 4 and the bottom of the interior of the box body 3, a rotating shaft is rotatably connected between the two supporting vertical plates 2 and fixedly connected with the lower surface of the material guide plate 4, one side of the lower surface of the material guide plate 4, which is far away from the supporting vertical plates 2, is hinged with an electric cylinder 6, the other end of the electric cylinder 6 is hinged with the bottom of the interior of the box body 3, the bottom of the side wall of the box body 3 is provided with a material discharging pipe 7, and an electromagnetic valve is arranged in the pipeline of the material discharging pipe 7, after the foaming is completed, the electric cylinder 6 is started, the vertical supporting plate 2 is matched, one end of the material guide plate 4 is inclined downwards to the material discharging pipe 7, the electromagnetic valve is opened, the foam discharging is facilitated, and the production efficiency of the foam is guaranteed.

The bottom of the box body 3 is fixedly connected with a plurality of vertically corresponding supporting legs 1.

The box body 3 is connected with the top cover 13 through threads.

The connection pipe 20 and the air supply pipe 27 are of an integral structure.

The air flow adjusting mechanism comprises a threaded rod 23 parallel to an air supply pipe 27, the threaded rod 23 is arranged in the air supply pipe 27, the air supply pipe 27 is a square pipe, the top end of the threaded rod 23 is coaxially connected with a motor I21, the motor I21 is arranged on a connecting pipe 20, a limiting plate is arranged at the bottom of the threaded rod 23, a moving ring 22 is sleeved on the threaded rod 23 in a threaded manner, a connecting rod 24 symmetrical about the threaded rod 23 is hinged to the outer side of the moving ring 22, a horizontal baffle plate 25 is hinged to the other end of the connecting rod 24, the two baffle plates 25 are positioned below the threaded rod 23 and are correspondingly arranged, the outer sides of the baffle plates 25 are hinged to the inner wall of the air supply pipe 27, a fan 18 blows air into the box body 3 through the connecting pipe 20 and the air supply pipe 27 in the stirring process, the motor I21 in the air flow adjusting mechanism is started, the motor I21 drives the threaded rod 23 to rotate, the threaded rod 23 drives the two baffle plates 25 to be far away from each other or to be close to each other through the moving ring 22 and the connecting rod 24, and further, the flow rate of the air flow is adjusted, and the defect that the mixing amount of the air is not easy to adjust is overcome.

The reciprocating moving component comprises a guide seat 11 arranged at the upper part in the box body 3, the guide seat 11 is fixedly connected with the box body 3 in a welding mode, a strip-shaped limiting groove 12 with a downward opening is arranged at the lower part in the guide seat 11, a reciprocating lead screw 15 is arranged in the strip-shaped limiting groove 12, one end of the reciprocating lead screw 15 is rotatably connected on the inner end wall of the strip-shaped limiting groove 12, the other end of the reciprocating lead screw 15 is coaxially connected with a second motor 26, the second motor 26 is arranged on the outer side wall of the box body 3, a moving block 16 is sleeved on the reciprocating lead screw 15 in a threaded manner, the moving block 16 is a rectangular block, the front side wall and the rear side wall of the moving block 16 are both attached to the inner wall of the strip-shaped limiting groove 12, a slotted groove which is parallel to and communicated with the strip-shaped limiting groove 12 is arranged at the upper part of the guide seat 11, a stirring motor 17 is fixedly connected with the moving block 16, the stirring motor 17 moves in the slotted groove, when in use, materials are added into the box body 3 from a charging hopper 14, an operator starts the reciprocating movement assembly, the output shaft of the motor II 26 drives the reciprocating screw rod 15 to rotate, the reciprocating screw rod 15 drives the moving block 16 to move along the strip-shaped limiting groove 12 under the limiting effect of the strip-shaped limiting groove 12 in the guide seat 11, the moving block 16 drives the stirring motor 17 and the stirring shaft 8 to reciprocate along the strip-shaped limiting groove 12, meanwhile, the stirring motor 17 is started, the stirring motor 17 drives the stirring shaft 8 to rotate, the stirring shaft 8 further drives the stirring rod II 5 and the stirring rod I9 to rotate, and the stirring rod I9 drives the steel balls 28 to further stir and foam materials through the springs 10 in the rotating process, so that the problem that the stirring effect is not ideal is solved.

The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.

Claims

1. A foaming device for polyurethane foam production comprises a box body (3) with an opening at the top end, and is characterized in that a top cover (13) is arranged at the top end of the box body (3), a placing seat (19) is arranged on the top cover (13), a fan (18) is arranged at the top end of the placing seat (19), a connecting pipe (20) is horizontally connected with an air outlet end of the fan (18), an air supply pipe (27) is vertically connected with the other end of the connecting pipe (20), the bottom of the air supply pipe (27) penetrates through the top cover (13) to be communicated with the inside of the box body (3), an air flow adjusting mechanism is arranged in the air supply pipe (27) positioned on the outer side of the top cover (13), a feeding hopper (14) is arranged on one side of the top cover (13) where the placing seat (19) is arranged, the bottom of the feeding hopper (14) is connected with a feeding pipe, the feeding pipe penetrates through the top cover (13) to be communicated with the inside of the box body (3), a reciprocating component is horizontally arranged at the upper part in the box body (3), a feeding pipe is positioned at one side of the reciprocating component, a stirring motor (17) is arranged on the reciprocating component, the output end of the stirring motor (17) penetrates through the reciprocating component and is coaxially provided with a stirring shaft (8), a plurality of stirring rods (9) which are staggered left and right are arranged on the stirring shaft (8) from top to bottom, the outer end of each stirring rod (9) is provided with a steel ball (28), a spring (10) is arranged between each steel ball (28) and the corresponding stirring rod (9), a pair of stirring rods (5) is arranged at the bottom of the stirring shaft (8), a guide plate (4) is arranged at the lower part in the box body (3), the guide plate (4) is positioned below the stirring rods (5), a pair of supporting vertical plates (2) which are arranged front and back is arranged between the guide plate (4) and the bottom in the box body (3), and a rotating shaft is connected between the two supporting vertical plates (2), the lower surface rigid coupling of pivot and stock guide (4), one side articulated even of support riser (2) is kept away from to the lower surface of stock guide (4) has electric jar (6), and the other end of electric jar (6) articulates the bottom in box (3), and discharging pipe (7) that are linked together with the inside of box (3) are ann to the lateral wall bottom of box (3), and ann has electromagnetic valve in the pipeline of discharging pipe (7).

2. The foaming device for producing polyurethane foam according to claim 1, wherein a plurality of vertically corresponding support legs (1) are fixedly connected to the bottom of the box body (3).

3. The foaming apparatus for polyurethane foam production according to claim 1, wherein the housing (3) and the top cover (13) are connected by a screw thread.

4. The foaming apparatus for polyurethane foam production according to claim 1, wherein the connecting pipe (20) is of an integral structure with the air supply pipe (27).

5. The foaming apparatus for polyurethane foam production according to claim 1, the air flow adjusting mechanism comprises a threaded rod (23) parallel to the air supply pipe (27), the threaded rod (23) is arranged in the air supply pipe (27), the air supply pipe (27) is a square pipe, the top end of the threaded rod (23) is coaxially connected with a first motor (21), the first motor (21) is arranged on the connecting pipe (20), the bottom of threaded rod (23) is provided with a limiting plate, a moving ring (22) is sleeved on the threaded rod (23) in a threaded manner, the outer side of the moving ring (22) is hinged to a connecting rod (24) which is symmetrical relative to the threaded rod (23), the other end of the connecting rod (24) is hinged to a horizontal baffle (25), the two baffles (25) are located below the threaded rod (23) and are correspondingly arranged, and the outer sides of the baffles (25) are hinged to the inner wall of an air supply pipe (27).

6. The foaming device for producing polyurethane foam according to claim 1, wherein the reciprocating component comprises a guide seat (11) installed at the upper part in the box body (3), a strip-shaped limiting groove (12) with a downward opening is formed at the lower part in the guide seat (11), a reciprocating lead screw (15) is arranged in the strip-shaped limiting groove (12), one end of the reciprocating lead screw (15) is rotatably connected to the inner end wall of the strip-shaped limiting groove (12), a second motor (26) is coaxially connected to the other end of the reciprocating lead screw (15), the second motor (26) is installed on the outer side wall of the box body (3), a moving block (16) is in threaded sleeve on the reciprocating lead screw (15), the moving block (16) is a rectangular block, the front side wall and the rear side wall of the moving block (16) are both attached to the inner wall of the strip-shaped limiting groove (12), a slot which is parallel to and communicated with the strip-shaped limiting groove (12) is formed at the upper part of the guide seat (11), the stirring motor (17) is fixedly connected with the moving block (16), and the stirring motor (17) moves in the groove.

7. The foaming device for producing polyurethane foam according to claim 6, wherein the guide holder (11) is fixedly connected with the box body (3) by welding.