Pre-foaming device for foam product

Abstract

The utility model relates to the technical field of foam pre-foaming, in particular to a pre-foaming device of a foam product, which comprises a base, a fixed foaming mould and a movable foaming mould, the top of the base is provided with the fixed foaming mould through a support plate, and one side of the fixed foaming mould is clamped with the movable foaming mould. Electric cylinders are mounted at the two ends of the fixed foaming mold through mounting seats, output shafts of the electric cylinders are connected with fixed end plates through connecting discs, the fixed end plates are welded to the two ends of the movable foaming mold, and a foaming agent storage tank is mounted on one side of the fixed foaming mold through a mounting plate; a conveying pipe is inserted into the foaming agent storage tank, and a small suction pump is arranged on the conveying pipe; according to the pre-foaming device for the foam products, uniform discharging is achieved, the material blocking phenomenon is avoided, the foaming agent can be sprayed when foam foaming raw materials are added into the rectangular discharging opening every time, and therefore the foaming efficiency and effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foamed product's prefoaming device in foamed product prefoaming technical field. BACKGROUND

[0002] Foamed product prefoaming is a key process link in foamed material production, and prefoaming refers to expanding polymer raw materials (such as polystyrene EPS and polypropylene EPP) into low-density foamed beads through heating and adding foaming agent before mold forming. Foamed product prefoaming requires a special foamed product prefoaming device.

[0003] The existing foamed product prefoaming device cannot achieve uniform feeding and avoid blockage, and the foaming efficiency and effect are reduced because the foaming agent cannot be sprayed when adding foaming raw materials into the rectangular feeding port each time. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model provides a foamed product prefoaming device which can achieve uniform feeding, avoid blockage, and spray foaming agent when adding foaming raw materials into the rectangular feeding port each time, thereby improving the foaming efficiency and effect.

[0005] The utility model solves the technical problems by adopting a foamed product prefoaming device which comprises a base, a fixed foaming mold, and a movable foaming mold. The top of the base is provided with the fixed foaming mold through a support plate, and the side of the fixed foaming mold is clamped with the movable foaming mold. The two ends of the fixed foaming mold are provided with electric cylinders through mounting seats. The output shaft of the electric cylinder is connected with a fixed end plate through a connecting disc, and the fixed end plate is welded at the two ends of the movable foaming mold. The side of the fixed foaming mold is provided with a foaming agent storage tank through a mounting plate. A conveying pipe is inserted into the foaming agent storage tank, and a small suction pump is arranged on the conveying pipe.

[0006] The top of the fixed foaming mold is connected with a conical material guide cover through a communication pipe, and the top of the conical material guide cover is welded with a rectangular feeding port. The side of the rectangular feeding port is provided with a speed reducer motor through a mounting seat. The output shaft of the speed reducer motor is connected with a rotating rod through a shaft coupling, and the outer side of the rotating rod is provided with a material stirring plate at equal distances through screws. The material stirring plate is located in the rectangular feeding port. The top end of the rectangular feeding port is provided with an atomizing nozzle through screws, and the top end of the conveying pipe is connected with the atomizing nozzle.

[0007] By adopting the above technical scheme, the foamed product prefoaming device can achieve uniform feeding, avoid blockage, and spray foaming agent when adding foaming raw materials into the rectangular feeding port each time, thereby improving the foaming efficiency and effect.

[0008] Specific, the fixed foaming mold bottom end side is provided with a heater through screw installation and the upper end of the heater is provided with a temperature controller through screw installation, and the detection end of the temperature controller and the heating end of the heater are located in the fixed foaming mold.

[0009] By adopting the above technical scheme, the heater is automatically controlled by the temperature controller to heat the fixed foaming mold at constant temperature, so that the temperature in the forming cavity between the fixed foaming mold and the movable foaming mold is improved.

[0010] Specifically, the output end of the temperature controller is electrically connected to the input end of the heater through a wire.

[0011] By adopting the above technical scheme, the heater is automatically controlled by the temperature controller to heat the fixed foaming mold at constant temperature, so that the temperature in the forming cavity between the fixed foaming mold and the movable foaming mold is improved.

[0012] Specifically, the top side of the foaming agent storage tank is provided with an adding port, and a sealing cover is clamped on the adding port.

[0013] Specifically, the communication pipe is provided with a control valve, and both ends of the rotating rod are connected to the rectangular discharge port through bearings.

[0014] Specifically, the top sides of the base are provided with slide rails through screws, and the bottom ends of the movable foaming mold are provided with sliding blocks located in the slide rails.

[0015] The beneficial effects of the utility model are as follows:

[0016] (1) The pre-foaming device of the foam product utilizes the temperature controller to automatically control the heater to heat the fixed foaming mold at constant temperature, improves the temperature in the forming cavity between the fixed foaming mold and the movable foaming mold, adds the foam foaming raw material into the rectangular discharge port, turns on the control valve and connects the power supply of the speed reducer, uses the speed reducer to drive the rotating rod in the rectangular discharge port to rotate at a constant speed, so that the material stirring plate rotates uniformly to realize uniform feeding and avoid the phenomenon of material blockage.

[0017] (2) The pre-foaming device of the foam product opens the small suction pump to facilitate the suction of the foaming agent in the foaming agent storage tank into the atomizing nozzle for atomizing and spraying, which is convenient for uniform spraying on the raw material in the rectangular discharge port. The foam foaming raw material added into the rectangular discharge port each time can be sprayed by the foaming agent, so as to improve the foaming efficiency and effect of the foam product in the forming cavity between the fixed foaming mold and the movable foaming mold. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further described below in combination with the drawings and examples.

[0019] Figure 1 It is the whole structure schematic view of the utility model.

[0020] Figure 2 It is the atomizing nozzle structure schematic view of the utility model;

[0021] Figure 3 It is the structure schematic view of the material stirring plate and rotating rod of the utility model.

[0022] In the figure: 1, slide rail; 2, fixed end plate; 3, electric cylinder; 4, temperature controller; 5, heater; 6, base; 7, fixed foaming mould; 8, foaming agent storage tank; 9, adding port; 10, small suction pump; 11, communication pipe; 12, conveying pipe; 13, rectangular discharge port; 14, speed reducer motor; 15, conical material guide cover; 16, control valve; 17, movable foaming mould; 18, atomizing nozzle; 19, material stirring plate; 20, rotating rod. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0024] In order to realize uniform discharging of the foamed product pre-foaming device and avoid the occurrence of the blocking phenomenon, the foaming agent can spray the foaming raw materials added into the rectangular discharge port 13 each time, so as to improve the foaming efficiency and effect, as shown in the figure. Figures 1-3 The utility model discloses a foamed product pre-foaming device, including base 6, fixed foaming mould 7 and movable foaming mould 17, the top of base 6 is installed with fixed foaming mould 7 through the support plate, and movable foaming mould 17 is clamped on the side of fixed foaming mould 7, the both ends of fixed foaming mould 7 are installed with electric cylinder 3 through the mounting seat, the output shaft of electric cylinder 3 is connected with fixed end plate 2 through the connecting disc, and fixed end plate 2 is welded on the both ends of movable foaming mould 17, the side of fixed foaming mould 7 is installed with foaming agent storage tank 8 through the mounting plate, conveying pipe 12 is inserted in foaming agent storage tank 8, and small suction pump 10 is arranged on conveying pipe 12.

[0025] The top of fixed foaming mould 7 is connected with conical material guide cover 15 through communication pipe 11, and rectangular discharge port 13 is welded on the top of conical material guide cover 15, the side of rectangular discharge port 13 is installed with speed reducer motor 14 through the mounting seat, the output shaft of speed reducer motor 14 is connected with rotating rod 20 through the shaft coupling, and material stirring plate 19 is installed on the outside of rotating rod 20 at equal distance through screw, material stirring plate 19 is located in rectangular discharge port 13, atomizing nozzle 18 is installed on the top end in rectangular discharge port 13 through screw, and conveying pipe 12 top end is connected with atomizing nozzle 18.

[0026] In use, the pre-foaming device of the foam product realizes uniform discharging, avoids the phenomenon of blocking, and each time the foam foaming raw material added into the rectangular discharging port 13 can be sprayed by the foaming agent, thereby improving the foaming efficiency and effect.

[0027] As shown in the example, Figure 1 The utility model discloses further include, the fixed foaming mould 7 bottom one side through screw installation has the heater 5 and the upper end of heater 5 passes through screw installation has temperature controller 4, the detection end of temperature controller 4 and the heating end of heater 5 all are located in fixed foaming mould 7.

[0028] In use, the heater 5 is automatically controlled by the temperature controller 4 to constantly heat the fixed foaming mould 7, thereby improving the temperature in the forming cavity between the fixed foaming mould 7 and the movable foaming mould 17.

[0029] As shown in the example, Figure 1 The utility model discloses further include, the output of temperature controller 4 and the input of heater 5 constitute electric connection through wire.

[0030] In use, the heater 5 is automatically controlled by the temperature controller 4 to constantly heat the fixed foaming mould 7, thereby improving the temperature in the forming cavity between the fixed foaming mould 7 and the movable foaming mould 17.

[0031] As shown in the example, Figure 1 The utility model discloses further include, the top one side of foaming agent storage tank 8 is provided with the addition mouth 9 and is clamped with sealing cover on addition mouth 9.

[0032] In use, the addition mouth 9 is used to add the foaming agent into the foaming agent storage tank 8, and the sealing cover has a sealing effect.

[0033] As shown in the example, Figure 1 , 3 The utility model discloses further include, be provided with control valve 16 on the communication pipe 11, and both ends of rotating rod 20 are connected rectangular discharging port 13 through bearing.

[0034] In use, after feeding is completed, the control valve 16 is closed to pre-foam, thereby improving the sealing effect.

[0035] As shown in the example, Figure 1 The utility model discloses further include, the top both sides of base 6 are installed with slide rail 1 through screw, and the bottom both ends of movable foaming mould 17 are provided with sliding block and are located in slide rail 1.

[0036] In use, after pre-foaming is completed, the movable foaming mould 17 is pushed on the slide rail 1 by the electric cylinder 3 to slide, thereby quickly realizing demolding.

[0037] The utility model discloses in using, will utilize temperature controller 4 automatic control heater 5 to the constant temperature heating in fixed foaming mould 7, improve the temperature in the forming cavity between fixed foaming mould 7 and movable foaming mould 17.

[0038] Foaming raw material of foam product is added into the rectangular discharge port 13, the control valve 16 is opened and the power supply of the speed reducer motor 14 is connected, the speed reducer motor 14 is used to drive the rotating rod 20 in the rectangular discharge port 13 to rotate at a constant speed, so that the material pushing plate 19 rotates uniformly to realize uniform feeding, and the plugging phenomenon is avoided.

[0039] The small suction pump 10 is opened to facilitate the suction of the foaming agent in the foaming agent storage tank 8 into the atomizing nozzle 18, and the foaming agent is sprayed out, which is convenient for uniform spraying on the raw material in the rectangular discharge port 13. The foaming agent can be sprayed on the foam foaming raw material added into the rectangular discharge port 13 each time, so as to improve the foaming efficiency and effect of the foam product in the forming cavity between the fixed foaming mould 7 and the movable foaming mould 17.

[0040] After the feeding is completed, the control valve 16 is closed for pre-foaming, and after the pre-foaming is completed, the movable foaming mould 17 is pushed to slide on the slide rail 1 by the electric cylinder 3, and the demolding is quickly realized.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pre-foaming device for foam products, characterized in that, The device includes a base (6), a fixed foaming mold (7), and a movable foaming mold (17). The fixed foaming mold (7) is mounted on the top of the base (6) via a support plate, and the movable foaming mold (17) is engaged on one side of the fixed foaming mold (7). Electric cylinders (3) are mounted on both ends of the fixed foaming mold (7) via mounting seats. The output shaft of the electric cylinder (3) is connected to a fixed end plate (2) via a connecting plate, and the fixed end plate (2) is welded to both ends of the movable foaming mold (17). A foaming agent storage tank (8) is mounted on one side of the fixed foaming mold (7) via a mounting plate. A delivery pipe (12) is inserted into the foaming agent storage tank (8), and a small suction pump (10) is installed on the delivery pipe (12). The top of the fixed foaming mold (7) is connected to a conical guide cover (15) through a connecting pipe (11), and a rectangular discharge port (13) is welded to the top of the conical guide cover (15). A geared motor (14) is installed on one side of the rectangular discharge port (13) through a mounting base. The output shaft of the geared motor (14) is connected to a rotating rod (20) through a coupling, and a material-pulling plate (19) is installed at equal intervals on the outside of the rotating rod (20) through screws. The material-pulling plate (19) is located inside the rectangular discharge port (13). An atomizing nozzle (18) is installed at the top of the rectangular discharge port (13) through screws, and the top of the conveying pipe (12) is connected to the atomizing nozzle (18).

2. The pre-foaming device for a foam product according to claim 1, characterized in that, A heater (5) is installed on one side of the bottom of the fixed foaming mold (7) by screws, and a temperature controller (4) is installed on the upper end of the heater (5) by screws. The detection end of the temperature controller (4) and the heating end of the heater (5) are both located inside the fixed foaming mold (7).

3. The pre-foaming device for a foam product according to claim 2, characterized in that, The output terminal of the temperature controller (4) and the input terminal of the heater (5) are electrically connected by a wire.

4. The pre-foaming device for a foam product according to claim 1, characterized in that, The foaming agent storage tank (8) has an addition port (9) on one side of its top, and a sealing cap is fitted onto the addition port (9).

5. The pre-foaming device for a foam product according to claim 1, characterized in that, A control valve (16) is provided on the connecting pipe (11), and both ends of the rotating rod (20) are connected to the rectangular discharge port (13) through bearings.

6. The pre-foaming device for a foam product according to claim 1, characterized in that, The top two sides of the base (6) are fitted with slide rails (1) by screws, and the bottom two ends of the movable foaming mold (17) are provided with sliders and the sliders are located inside the slide rails (1).

Images