Raw material mixing device for preparing biodegradable environment-friendly sponge

Abstract

The utility model discloses a raw material mixing device for preparing biodegradable environment-friendly sponge, and relates to the technical field of sponge preparation, the raw material mixing device comprises a base, the upper side of the base is fixedly connected with a material mixing barrel, and a pressurizing space is arranged in the peripheral wall of the top of the material mixing barrel; a plurality of overflow holes communicated with the mixing barrel are formed in the inner circumferential wall of the pressurizing space, a stirring assembly is installed at the bottom of the mixing barrel, a driving motor is fixed to the inner bottom wall of the base through screws, a discharging pipe is fixedly embedded in the side wall of the base, and an output shaft of the driving motor drives a driving gear to be meshed with a transmission transition gear. The transition gear drives the transmission shaft to rotate, the transmission shaft drives the sector gear to rotate, the sector gear is intermittently meshed with the rack to move, when the rack moves towards the pump shell, the piston extrudes the raw materials in the pump shell to enter the pressurizing space, otherwise, the raw materials can enter the pump shell for secondary material lifting, and under the action of gravity, the raw materials can enter the pressurizing space. And raw materials in the pressurizing space can be ejected from the overflow hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sponge preparation technology, especially to a raw material mixing device for biodegradable environment-friendly sponge preparation. BACKGROUND

[0002] The preparation process of sponges is various, mainly depending on the raw materials used and the required properties of the sponge. For example, polyurethane foam sponge is formed by rapid reaction of polyether polyol, organic isocyanate, water, catalyst and other raw materials under high-speed stirring; polyvinyl alcohol sponge is made by dissolving polyvinyl alcohol powder in a solvent, then dipping the mold after adding a crosslinking agent, and going through the steps of gelation, curing, cleaning and drying; and the preparation of wood pulp sponge involves multiple processes such as alkalization, yellowing, ripening, crushing, mixing, electrolysis and water washing, finally obtaining wood pulp sponge with good water absorption and softness. These processes demonstrate the complexity and diversity of sponge production, and the appropriate preparation method is selected according to different application requirements.

[0003] Chinese patent No. CN210453303U discloses a sponge raw material mixing device, the feeding port and the discharge port are respectively communicated with the stirring cavity, the stirring barrel is provided with a feeding valve at the part of the feeding port, and the stirring barrel is provided with a discharge valve at the part of the discharge port. The stirring motor is drivingly connected with the stirring shaft, the spray pipe, the spray box and at least part of the stirring shaft are accommodated in the stirring cavity, and the part of the stirring shaft accommodated in the stirring cavity is provided with spiral blades. The spray box is arranged close to the stirring motor, the input end of the spray pipe is communicated with the feeding port, the spray pipe is communicated with the spray box, the spray box is provided with perforations, the perforations penetrate through the spray box, the stirring shaft penetrates through the perforations, and the side of the spray box away from the stirring motor is provided with a plurality of water spray holes. The separation assembly is arranged between the spray box and the spiral blades, and the separation assembly comprises a separation connecting piece and a plurality of separation blades, each separation blade is connected with the separation connecting piece, and the separation connecting piece is connected with the stirring shaft.

[0004] The above-mentioned technology realizes the advance dispersion of raw materials through the spray box and the separation blades, but the raw materials cannot be fully dispersed at one time, which makes it difficult to greatly improve the stirring efficiency. Therefore, the utility model discloses a raw material mixing device for biodegradable environment-friendly sponge preparation to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a raw material mixing device for biodegradable environment-friendly sponge preparation to solve the problem of low mixing efficiency of traditional sponge preparation raw materials in the above-mentioned background technology.

[0006] To achieve the above object, the utility model discloses a kind of raw material mixing devices for biodegradable environmental protection sponge preparation, including base, the upside of the base is fixedly connected with mixing barrel, the top peripheral wall in the mixing barrel is provided with booster space, multiple overflow holes that are communicated with the mixing barrel are formed in the inner peripheral wall of the booster space, wherein, the bottom of the mixing barrel is equipped with stirring assembly, the inner bottom wall of the base is fixed with drive motor by screw, the sidewall of the base is fixedly embedded with discharge pipe, and lifting assembly is connected between the mixing barrel, discharge pipe and overflow hole, and the drive motor is drivingly connected with stirring assembly and lifting assembly.

[0007] As a further scheme of the utility model, the lifting assembly includes pump housing fixedly connected on the top wall of the base, a rack is slidably embedded on one side of the pump housing, a piston is fixedly connected to one end of the rack in the pump housing, a sector gear is meshingly connected to one side of the rack, a transmission shaft is fixedly sleeved in the middle of the sector gear, the top end of the transmission shaft is rotatably connected with the base, a transition gear is fixedly connected to the bottom end of the transmission shaft, the transition gear is meshingly connected with a drive gear, the drive gear is fixedly sleeved on the outside of the output end of the drive motor, a return pipe is fixedly embedded on the other side of the pump housing, the bottom end of the return pipe is communicated with the booster space, the pump housing and the mixing barrel are communicated through a feeding pipe, and a one-way valve is installed in the return pipe and the feeding pipe.

[0008] As a further scheme of the utility model, the radius of the drive gear is greater than the radius of the transition gear, and the ratio of the radius of the two is not less than 2:1.

[0009] As a further scheme of the utility model, the top end of the discharge pipe is fixedly embedded on the bottom wall of the pump housing, and a stop valve is installed on the bottom end of the discharge pipe which penetrates through the base.

[0010] As a further scheme of the utility model, the stirring assembly includes a central shaft rotatably embedded in the middle of the bottom wall of the mixing barrel, and the bottom end of the central shaft is fixedly connected with the output shaft of the drive motor, wherein, a plurality of material distributing plates are fixedly connected to the top outside of the part of the central shaft in the mixing barrel, and a plurality of stirring blades are fixedly connected to the bottom outside of the part of the central shaft in the mixing barrel.

[0011] As a further scheme of the utility model, the overflow holes gradually narrow from the booster space to the mixing barrel.

[0012] As a further scheme of the utility model, the top of the mixing barrel is fixedly embedded with a feeding hopper, and the inner diameter of the feeding hopper is in a structure of wide at the top and narrow at the bottom.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model relates a raw material mixing device for biodegradable environment-friendly sponge preparation, the output shaft of drive motor drives drive gear to engage transmission transition gear, transition gear drives transmission shaft rotation, transmission shaft drives sector gear rotation, sector gear intermittent engagement rack moves, when the rack moves to the pump shell, the raw material in the piston extrusion pump shell enters the pressurizing space, contrarily, then raw material can enter the pump shell to prepare secondary material lifting, and under the action of gravity, the raw material in the pressurizing space will shoot from the overflow hole, and the raw material falls to different areas of liquid surface continuously, can avoid the situation that raw material mixing is uneven due to the settlement effect,

[0015] 2. The utility model relates a raw material mixing device for biodegradable environment-friendly sponge preparation, starts drive motor, drive motor drives central shaft rotation, central shaft drives bulk plate and stirring vane synchronous rotation, and the stirring vane can stir various raw materials in the mixing cylinder to promote raw material to mix fully, and the bulk plate can scatter the falling circulation raw material, so that the raw material can fall to different areas of upper liquid surface, cooperates stirring effect, effectively improves the disordered motion of various raw materials, improves mixing efficiency. DRAWINGS

[0016] The utility model is further explained below in combination with the drawings and examples:

[0017] Figure 1 It is the appearance structure drawing of the utility model of a raw material mixing device for biodegradable environment-friendly sponge preparation,

[0018] Figure 2 It is the side sectional view of the utility model of a raw material mixing device for biodegradable environment-friendly sponge preparation,

[0019] Figure 3 It is the overhead structure drawing of the utility model of a raw material mixing device for biodegradable environment-friendly sponge preparation,

[0020] Figure 4 It is the structure enlarged view of A in the utility model of a raw material mixing device for biodegradable environment-friendly sponge preparation Figure 2 ,

[0021] Figure 5 It is the structure enlarged view of B in the utility model of a raw material mixing device for biodegradable environment-friendly sponge preparation Figure 2 ,

[0022] Figure 6 It is the overhead sectional structure drawing of base in the utility model of a raw material mixing device for biodegradable environment-friendly sponge preparation.

[0023] In the drawings, the components represented by each reference numeral are listed as follows: 1, base; 2, mixing cylinder; 21, pressurization space; 22, overflow hole; 23, upper hopper; 3, stirring assembly; 31, central shaft; 32, bulk plate; 33, stirring blade; 4, driving motor; 5, discharge pipe; 51, stop valve; 6, lifting assembly; 61, pump shell; 62, rack; 63, piston; 64, sector gear; 65, transmission shaft; 66, transition gear; 67, driving gear; 68, return pipe; 69, feeding pipe. DETAILED DESCRIPTION

[0024] The utility model is further described below in combination with the embodiments.

[0025] Please refer to Figures 1-6 The utility model provides a raw material mixing device for biodegradable environment -friendly sponge preparation, including base 1, the upside fixedly connected with mixing cylinder 2 of base 1, the top fixed embedding of mixing cylinder 2 has upper hopper 23, and the inside diameter of upper hopper 23 is wide down narrow structure;

[0026] Specifically, the upper hopper 23 can ensure that the raw materials smoothly enter the mixing cylinder 2, and when adding raw materials, the raw materials can flow smoothly into the mixing cylinder 2, while reducing the splashing or waste of raw materials during the adding process.

[0027] Further, the mixing cylinder 2 is provided with a pressurization space 21 in the top peripheral wall, and a plurality of overflow holes 22 are formed in the inner peripheral wall of the pressurization space 21 and communicated with the mixing cylinder 2.

[0028] Specifically, the overflow holes 22 are distributed in the bottom region of the pressurization space 21, because the water pressure of the raw materials with lower height in the pressurization space 21 is higher, and the raw materials with lower height are sprayed from the overflow holes 22 for a longer distance, which is beneficial to disordered mixing.

[0029] Further, the overflow holes 22 gradually narrow from the pressurization space 21 to the mixing cylinder 2.

[0030] Specifically, by gradually reducing the hole diameter, the pressure and flow rate of the raw materials can be improved, so that the raw materials can be sprayed for a longer distance, which is beneficial to the full mixing of various raw materials.

[0031] Further, the driving motor 4 is screw-fixed on the inner bottom wall of the base 1, the discharge pipe 5 is fixedly embedded in the side wall of the base 1, the top end of the discharge pipe 5 is fixedly embedded on the bottom wall of the pump shell 61, and the bottom end of the discharge pipe 5 penetrates through the base 1 and is installed with the stop valve 51.

[0032] Specifically, when the raw materials need to be discharged or the production needs to be stopped, the stop valve 51 can be completely closed to cut off the flow of raw materials, and after the mixing of raw materials is completed, the driving motor 4 is closed and the stop valve 51 is opened, so that the raw materials in the mixing barrel 2 and the pressurized space 21 can be completely discharged.

[0033] Further, the mixing barrel 2, the discharge pipe 5 and the overflow hole 22 are connected with a lifting assembly 6, the driving motor 4 is in transmission connection with the lifting assembly 6, the lifting assembly 6 comprises a pump shell 61 fixedly connected to the top wall of the base 1, one side of the pump shell 61 is slidably embedded with a rack 62, one end of the rack 62 in the pump shell 61 is fixedly connected with a piston 63, one side of the rack 62 is in meshing connection with a sector gear 64, the middle part of the sector gear 64 is fixedly sleeved with a transmission shaft 65, the top end of the transmission shaft 65 is in rotary connection with the base 1, the bottom end of the transmission shaft 65 is fixedly connected with a transition gear 66, the transition gear 66 is in meshing connection with a driving gear 67, the driving gear 67 is fixedly sleeved outside the output end of the driving motor 4, the other side of the pump shell 61 is fixedly embedded with a return pipe 68, the bottom end of the return pipe 68 is in communication with the pressurized space 21, the pump shell 61 and the mixing barrel 2 are in communication through an inlet pipe 69, and one-way valves are installed in the return pipe 68 and the inlet pipe 69;

[0034] Specifically, the output shaft of the driving motor 4 drives the driving gear 67 to mesh and drive the transition gear 66, the transition gear 66 drives the transmission shaft 65 to rotate, the transmission shaft 65 drives the sector gear 64 to rotate, the sector gear 64 intermittently meshes and moves the rack 62, when the rack 62 moves towards the pump shell 61, the piston 63 extrudes the raw materials in the pump shell 61 into the pressurized space 21, under the action of gravity, the raw materials in the pressurized space 21 will be ejected from the overflow hole 22, so that the raw materials can fall to different areas of the upper liquid level of the raw materials.

[0035] Further, the radius of the driving gear 67 is greater than the radius of the transition gear 66, and the ratio of the radius of the two is not less than 2:1;

[0036] Specifically, the radius of the driving gear 67 is greater than the radius of the transition gear 66. This means that the driving gear 67 can produce a larger rotational torque when rotating, thereby effectively driving the rotation of the transition gear 66, so that the transition gear 66 can rotate more quickly, improving the lifting rate.

[0037] Further, the driving motor 4 is in transmission connection with the stirring assembly 3, the bottom of the mixing barrel 2 is provided with the stirring assembly 3, the stirring assembly 3 comprises a central shaft 31 rotatably embedded in the middle of the bottom wall of the mixing barrel 2, the bottom end of the central shaft 31 is fixedly connected with the output shaft of the driving motor 4, wherein the top outside of the inner part of the central shaft 31 is fixedly connected with a plurality of scattering plates 32, and the bottom outside of the inner part of the central shaft 31 is fixedly connected with a plurality of stirring blades 33;

[0038] Specifically, the driving motor 4 drives the central shaft 31 to rotate, the central shaft 31 drives the scattering plates 32 and the stirring blades 33 to rotate synchronously, the stirring blades 33 can stir various raw materials in the mixing barrel 2 to promote the mixing of the raw materials, and the scattering plates 32 can scatter the circulating raw materials, so that the raw materials can fall to different areas of the upper liquid surface of the raw materials, which is beneficial to faster mixing of various raw materials.

[0039] Working principle: in use, various raw materials required for preparing biodegradable environment-friendly sponge are introduced into the mixing barrel 2, the driving motor 4 is started, the driving motor 4 drives the central shaft 31 to rotate, the central shaft 31 drives the scattering plates 32 and the stirring blades 33 to rotate synchronously, the stirring blades 33 can stir various raw materials in the mixing barrel 2 to promote the mixing of the raw materials, at the same time, the output shaft of the driving motor 4 drives the driving gear 67 to mesh with the transmission gear 66, the transmission gear 66 drives the transmission shaft 65 to rotate, the transmission shaft 65 drives the sector gear 64 to rotate, the sector gear 64 intermittently meshes with the rack 62 to move, when the rack 62 moves towards the pump shell 61, the piston 63 extrudes the raw materials in the pump shell 61 into the pressure space 21, under the action of gravity, the raw materials in the pressure space 21 will be shot out from the overflow hole 22, the scattering plates 32 can scatter the circulating raw materials, so that the raw materials can fall to different areas of the upper liquid surface of the raw materials, in cooperation with the stirring action, the disordered movement of various raw materials can be effectively improved, the mixing efficiency can be effectively improved, on the contrary, when the sector gear 64 is not meshed with the rack 62, the piston 63 reversely slides under the liquid pressure, so that the raw materials in the mixing barrel 2 can re-enter the pump shell 61 for re-lifting, after the raw materials are mixed, the driving motor 4 is turned off, and the stop valve 51 is opened, so that the raw materials in the mixing barrel 2 and the pressure space 21 can be completely emptied.

Claims

1. A raw material mixing device for preparing a biodegradable eco-friendly sponge, comprising a base (1), characterized in that, The upper side of the base (1) is fixedly connected with a mixing cylinder (2), a plenum (21) is arranged in the top peripheral wall of the mixing cylinder (2), a plurality of overflow holes (22) are formed in the inner peripheral wall of the plenum (21) and are in communication with the mixing cylinder (2), wherein the bottom of the mixing cylinder (2) is provided with a stirring assembly (3), a driving motor (4) is screw-fixed on the inner bottom wall of the base (1), a discharge pipe (5) is fixedly embedded in the side wall of the base (1), a lifting assembly (6) is connected between the mixing cylinder (2), the discharge pipe (5) and the overflow holes (22), and the driving motor (4) is drivingly connected with the stirring assembly (3) and the lifting assembly (6).

2. The raw material mixing device for preparing a biodegradable environment-friendly sponge according to claim 1, characterized in that: The lifting assembly (6) comprises a pump shell (61) fixedly connected to the top wall of the base (1), a rack (62) slidingly embedded in one side of the pump shell (61), a piston (63) fixedly connected to one end of the rack (62) in the pump shell (61), a sector gear (64) meshingly connected to one side of the rack (62), a transmission shaft (65) fixedly sleeved in the middle of the sector gear (64), the top end of the transmission shaft (65) being rotatably connected with the base (1), the bottom end of the transmission shaft (65) being fixedly connected with a transition gear (66), the transition gear (66) being meshingly connected with a driving gear (67), the driving gear (67) being fixedly sleeved outside the output end of the driving motor (4), a return pipe (68) being fixedly embedded in the other side of the pump shell (61), the bottom end of the return pipe (68) being in communication with the plenum (21), the pump shell (61) and the mixing cylinder (2) being in communication through an inlet pipe (69), and one-way valves being arranged in the return pipe (68) and the inlet pipe (69).

3. The raw material mixing device for preparing biodegradable environment-friendly sponge according to claim 2, characterized in that: The radius of the driving gear (67) is greater than the radius of the transition gear (66), and the ratio of the radius of the driving gear (67) to the radius of the transition gear (66) is not less than 2:

1.

4. The raw material mixing device for preparing biodegradable environment-friendly sponge according to claim 2, characterized in that: The top end of the discharge pipe (5) is fixedly embedded in the bottom wall of the pump shell (61), and the bottom end of the discharge pipe (5) penetrates through the base (1) and is provided with a stop valve (51).

5. The raw material mixing device for preparing biodegradable environment-friendly sponge according to claim 1, characterized in that: The stirring assembly (3) comprises a central shaft (31) rotatably embedded in the middle of the bottom wall of the mixing cylinder (2), and the bottom end of the central shaft (31) is fixedly connected with the output shaft of the driving motor (4), wherein a plurality of scattering plates (32) are fixedly connected to the top outside of the part of the central shaft (31) located in the mixing cylinder (2), and a plurality of stirring blades (33) are fixedly connected to the bottom outside of the part of the central shaft (31) located in the mixing cylinder (2).

6. The raw material mixing device for preparing a biodegradable eco-friendly sponge according to claim 1, characterized in that: The overflow holes (22) gradually narrow from the plenum (21) to the mixing cylinder (2).

7. The raw material mixing device for preparing a biodegradable eco-friendly sponge according to claim 1, characterized in that: The top of the mixing cylinder (2) is fixedly embedded with an upper hopper (23), and the inner diameter of the upper hopper (23) has a structure of being wide at the top and narrow at the bottom.

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