Efficient mixing equipment for phenolic moulding plastic

Abstract

The utility model provides high-efficiency mixing equipment for an aldehyde molding compound, and belongs to the technical field of production of the aldehyde molding compound. Comprising a mixing barrel, a driving motor is fixed to the top of the mixing barrel, the end of an output shaft of the driving motor penetrates through the top of the mixing barrel and is in bolted connection with a longitudinal stirring shaft, a plurality of transverse stirring blades are fixed to the outer wall of the longitudinal stirring shaft at equal intervals, and a transmission mechanism rotating synchronously is fixed to the position, close to the bottom end, of the longitudinal stirring shaft; a plurality of transverse stirring shafts are rotationally mounted between the transmission mechanism and the longitudinal stirring shaft, the plurality of transverse stirring shafts and the plurality of groups of transverse stirring blades are arranged in a staggered manner, and a scraping plate attached to the inner wall of the mixing barrel is fixed at one end of the transmission mechanism. According to the utility model, raw materials can be stirred and mixed in multiple directions, the mixing speed is greatly improved, and the raw materials adhered to the inner wall of the mixing barrel are scraped through the scraping plate, so that the mixing quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of phenolic moulding compound production, and relates to an efficient mixing device for phenolic moulding compound. Background Technique

[0002] Phenolic moulding compound, also known as phenolic resin, is a special phenolic resin with characteristics such as high temperature resistance, wear resistance, corrosion resistance, and good insulation. It is widely used in manufacturing fields such as automobiles, electrical appliances, and tools. The excellent properties of phenolic moulding compound make it an ideal engineering plastic material.

[0003] The production of phenolic moulding compound mainly involves the mixing of phenolic prepolymer, filler, and additives, and reacts under the conditions of pressure and heating to form phenolic resin. A mixing device is required for mixing during the processing.

[0004] The patent document with the publication number CN215396173U discloses a double-shaft phenolic moulding compound mixing device. It includes a base and a mixing barrel installed above the base. A mixing chamber is provided inside the mixing barrel. A rotating plate is provided at the bottom end inside the mixing chamber. Rotating shafts are connected to both the front and rear ends of the rotating plate. A rotating rod is provided at the center of the bottom surface of the rotating plate. A rotating shaft is provided at the center of the bottom of the mixing chamber. The rotating shaft is rotatably connected to the rotating rod. A rotating disk is provided at the top of the mixing chamber. A connecting disk is provided at the center of the bottom surface of the rotating disk. A rotating groove is provided on the outside of the connecting disk of the rotating disk. A rotating ring is rotatably connected inside the rotating groove. The rotation of the rotating plate stirs the mixture in the mixing chamber.

[0005] However, the above-mentioned existing technology still has the following problems: The above-mentioned existing technology can only perform one-way stirring and mixing, with low mixing efficiency, and since some of the mixture is likely to adhere to the inner wall of the mixing barrel, the mixing effect is not good. Content of the Utility Model

[0006] The purpose of the utility model is to aim at the deficiencies of the existing technology and propose an efficient mixing device for phenolic moulding compound, which is used to solve the technical problems in the background technology that the stirring direction of the existing technology is single and some of the mixture is likely to adhere to the inner wall of the mixing barrel, resulting in poor mixing effect.

[0007] To achieve the above purpose, the utility model adopts the following technical solutions:

[0008] An efficient mixing device for phenolic molding compound, comprising a mixing barrel, a driving motor is fixed on the top of the mixing barrel, the end of the output shaft of the driving motor penetrates through the top of the mixing barrel and is bolted with a longitudinal stirring shaft, a plurality of groups of transverse stirring blades are equidistantly fixed on the outer wall of the longitudinal stirring shaft, a transmission mechanism that rotates synchronously is fixed at a position near the bottom end of the longitudinal stirring shaft, a plurality of transverse stirring shafts are rotatably installed between the transmission mechanism and the longitudinal stirring shaft, and the plurality of transverse stirring shafts and the plurality of groups of transverse stirring blades are arranged in an alternating manner, and one end of the transmission mechanism is fixed with a scraping plate that abuts against the inner wall of the mixing barrel.

[0009] Working principle:

[0010] By starting the driving motor to drive the longitudinal stirring shaft to rotate, the longitudinal stirring of the raw materials in the mixing barrel is realized. At the same time, the longitudinal stirring shaft drives the transverse stirring blades to rotate and perform transverse stirring. The longitudinal stirring shaft drives the transmission mechanism to rotate synchronously. The transmission mechanism drives a plurality of transverse stirring shafts to rotate and realizes the transverse stirring of the raw materials in the mixing barrel. At the same time, the transmission mechanism drives the scraping plate to scrape off the raw materials adhered to the inner wall of the mixing barrel, further improving the mixing quality.

[0011] The beneficial effects of the present utility model are as follows:

[0012] By setting the transverse stirring shaft, the longitudinal stirring shaft and the transmission mechanism, the longitudinal stirring of the raw materials in the mixing barrel is realized by starting the driving motor to drive the longitudinal stirring shaft to rotate. The longitudinal stirring shaft drives the transmission mechanism to rotate synchronously. The transmission mechanism drives a plurality of transverse stirring shafts to rotate and realizes the transverse stirring of the raw materials in the mixing barrel. At the same time, the longitudinal stirring shaft drives the transverse stirring blades to rotate and perform transverse stirring, so that the raw materials can be stirred and mixed in multiple directions, greatly improving the mixing rate.

[0013] By setting the scraping plate in the present utility model, during the stirring process of the raw materials, the raw materials adhered to the inner wall of the mixing barrel are scraped off, thereby improving the mixing quality. Description of the drawings

[0014] Figure 1 is a sectional view of the present utility model;

[0015] Figure 2 is a structural schematic diagram of the present utility model;

[0016] Figure 3 is an assembled sectional view of the transmission mechanism, the transverse stirring shaft and the longitudinal stirring shaft of the present utility model.

[0017] Description of reference numerals: 1, mixing barrel; 2, driving motor; 3, longitudinal stirring shaft; 4, transverse stirring blade; 5, transverse stirring shaft; 6, scraper; 7, connecting rod; 8, transmission block; 9, transmission rod; 10, cavity; 11, circular groove; 12, internal gear ring; 13, gear; 14, first helical gear; 15, second helical gear; 16, longitudinal stirring blade; 17, bearing; 18, feeding pipe; 19, discharging pipe; 20, discharging valve. Detailed implementation manners

[0018] The following are specific embodiments of the present invention and in combination with the attached drawings, the technical solutions of the present invention will be further described, but the present invention is not limited to these embodiments.

[0019] As Figure 1 and Figure 2 shown, a high-efficiency mixing device for phenolic molding compound includes a mixing barrel 1, a driving motor 2 is fixed on the top of the mixing barrel 1, the end of the output shaft of the driving motor 2 penetrates through the top of the mixing barrel 1 and is bolted with a longitudinal stirring shaft 3, a plurality of groups of transverse stirring blades 4 are equidistantly fixed on the outer wall of the longitudinal stirring shaft 3, a transmission mechanism for synchronous rotation is fixed at a position close to the bottom end of the longitudinal stirring shaft 3, a plurality of transverse stirring shafts 5 are rotatably installed between the transmission mechanism and the longitudinal stirring shaft 3, the plurality of transverse stirring shafts 5 and the plurality of groups of transverse stirring blades 4 are arranged in an alternating manner, and one end of the transmission mechanism is fixed with a scraper 6 that abuts against the inner wall of the mixing barrel 1;

[0020] A feeding pipe 18 is communicated with the top of the mixing barrel 1, a discharging pipe 19 is communicated with the bottom of one side of the mixing barrel 1, and a discharging valve 20 is fixedly connected to the inner outlet end of the discharging pipe 19; the mixing material is added into the mixing barrel 1 through the feeding pipe 18, and after the stirring is completed, the discharging valve 20 is opened so that the mixed mixing material is discharged from the discharging pipe 19.

[0021] In the present invention, by arranging the transverse stirring shaft 5, the longitudinal stirring shaft 3 and the transmission mechanism, the longitudinal stirring of the raw materials in the mixing barrel 1 is realized by starting the driving motor 2 to drive the longitudinal stirring shaft 3 to rotate. The longitudinal stirring shaft 3 drives the transmission mechanism to rotate synchronously, and the transmission mechanism drives a plurality of transverse stirring shafts 5 to rotate and realizes the transverse stirring of the raw materials in the mixing barrel 1. At the same time, the longitudinal stirring shaft 3 drives the transverse stirring blades 4 to rotate and perform transverse stirring, so that the raw materials can be stirred and mixed in multiple directions, greatly improving the mixing rate;

[0022] In the present invention, by arranging the scraper 6, during the stirring process of the raw materials, the raw materials adhered to the inner wall of the mixing barrel 1 are scraped off, thereby improving the mixing quality.

[0023] As Figure 3As shown in the figure, the transmission mechanism includes a connecting rod 7, a transmission block 8, and a transmission rod 9. The transmission block 8 is vertically fixed to the upper end of the connecting rod 7. One end of the connecting rod 7 is fixed to the side wall of the longitudinal stirring shaft 3. The transmission block 8 has a cavity 10. The transmission rod 9 is vertically rotatably connected to the inner wall of the cavity 10. The scraping plate 6 is fixed to one side of the transmission block 8. The transmission block 8 drives the scraping plate 6 to rotate, and the scraping plate 6 rotates to remove the mixed material adhering to the inner wall of the mixing barrel 1, so that the mixed material adhering to the inner wall of the mixing barrel 1 falls into the mixing barrel 1.

[0024] As Figure 1 shown in the figure, a circular groove 11 is formed in the inner top wall of the mixing cylinder. An internal gear ring 12 is fixed to the inner wall of the circular groove 11. The upper end of the transmission rod 9 passes through the top of the transmission block 8 and is fixed with a gear 13 located in the circular groove 11. The gear 13 meshes with the internal gear ring 12. The longitudinal stirring shaft 3 drives the gear 13 to rotate, and the gear 13 meshes with the internal gear ring 12 and rotates self - sufficiently.

[0025] As Figure 3 shown in the figure, one end of the transverse stirring shaft 5 passes through the side wall of the transmission block 8 and is fixed with a first bevel gear 14 located in the cavity 10. A plurality of second bevel gears 15 that respectively correspond to and mesh with the plurality of first bevel gears 14 are sleeved on the outer wall of the transmission rod 9. The transmission rod 9 drives the corresponding first bevel gear 14 to rotate through the meshing of the second bevel gears 15.

[0026] As Figure 1 and Figure 3 shown in the figure, a plurality of longitudinal stirring blades 16 are fixed to the outer wall of the transverse stirring shaft 5. A plurality of grooves respectively corresponding to a plurality of transverse stirring shafts 5 are formed at one end of the longitudinal stirring shaft 3. Bearings 17 are fixedly clamped in the grooves. One end of the transverse stirring shaft 5 is fixed to the inner wall of the bearing 17. The transverse stirring shaft 5 rotates in the corresponding grooves. The transverse stirring shaft 5 drives the longitudinal stirring blades 16 to rotate. The longitudinal stirring blades 16 cooperate with the transverse stirring blades 4 to stir the mixed material in the mixing barrel 1.

[0027] The specific operation mode of the present utility model is as follows:

[0028] Start the driving motor 2 to drive the longitudinal stirring shaft 3 to rotate and longitudinally stir the raw materials. The longitudinal stirring shaft 3 drives the transverse stirring blades 4 to rotate and transversely stir the raw materials. The longitudinal stirring shaft 3 drives the transmission block 8 to rotate synchronously through the connecting rod 7. The transmission block 8 drives the gear 13 to move along the internal gear ring 12. The gear 13 drives the transmission rod 9 to rotate. The transmission rod 9 drives the first bevel gear 14 to rotate through the second bevel gears 15. The first bevel gear 14 drives the transverse stirring shaft 5 to rotate and transversely stir the raw materials. The transverse stirring shaft 5 drives the longitudinal stirring blades 16 to rotate and longitudinally stir the raw materials.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A high-efficiency mixing device for phenolic molding materials, characterized in that: The invention comprises a mixing barrel (1), wherein a driving motor (2) is fixed on the top of the mixing barrel (1), the output shaft end of the driving motor (2) passes through the top of the mixing barrel (1) and is bolted to a longitudinal stirring shaft (3), a plurality of groups of transverse stirring blades (4) are fixed at equal intervals on the outer wall of the longitudinal stirring shaft (3), a synchronously rotating transmission mechanism is fixed near the bottom of the longitudinal stirring shaft (3), a plurality of transverse stirring shafts (5) are rotatably mounted between the transmission mechanism and the longitudinal stirring shaft (3), the plurality of transverse stirring shafts (5) and the plurality of transverse stirring blades (4) are arranged in an alternating manner, and a scraper (6) abutting against the inner wall of the mixing barrel (1) is fixed at one end of the transmission mechanism.

2. A phenolic molding compound high-efficiency mixing device according to claim 1, characterized in that: The transmission mechanism comprises a connecting rod (7), a transmission block (8), and a transmission rod (9); the transmission block (8) is vertically fixed to the upper end of the connecting rod (7); one end of the connecting rod (7) is fixed to the side wall of the longitudinal stirring shaft (3); the transmission block (8) has a cavity (10); the transmission rod (9) is vertically rotatably connected to the inner wall of the cavity (10); and the scraper (6) is fixed to one side of the transmission block (8).

3. A phenolic molding compound high-efficiency mixing device according to claim 2, characterized in that: The inner top wall of the mixing barrel (1) is provided with a circular groove (11), an inner gear ring (12) is fixed to the inner wall of the circular groove (11), the upper end of the transmission rod (9) passes through the top of the transmission block (8) and is fixed with a gear (13) located in the circular groove (11), and the gear (13) is meshed with the inner gear ring (12).

4. A phenolic molding compound high-efficiency mixing device according to claim 2, characterized in that: One end of the transverse stirring shaft (5) passes through the side wall of the transmission block (8) and is fixed with a first bevel gear (14) located in the cavity (10); the outer wall of the transmission rod (9) is sleeved with a plurality of second bevel gears (15) that correspond one-to-one to and mesh with the plurality of first bevel gears (14).

5. The high-efficiency mixing device for phenolic molding materials according to claim 1, characterized in that: A plurality of longitudinal stirring blades (16) are fixed to the outer wall of the transverse stirring shaft (5).

6. A phenolic molding compound high-efficiency mixing device according to claim 1, characterized in that: One end of the longitudinal stirring shaft (3) is provided with a plurality of grooves corresponding to the plurality of transverse stirring shafts (5) one by one, a bearing (17) is fixedly embedded in the groove, and one end of the transverse stirring shaft (5) is fixed to the inner wall of the bearing (17).

7. A phenolic molding compound high-efficiency mixing device according to claim 1, characterized in that: The top of the mixing barrel (1) is connected to a feeding pipe (18), the bottom of one side of the mixing barrel (1) is connected to a discharge pipe (19), and the inner outlet end of the discharge pipe (19) is fixedly connected to a discharge valve (20).

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