CN-224229116-U - Transmission flange plate of high-precision stirrer

CN224229116UCN 224229116 UCN224229116 UCN 224229116UCN-224229116-U

Abstract

The utility model relates to the technical field of stirrer flanges, and discloses a high-precision stirrer transmission flange which comprises a first flange body and a second flange body, wherein the first flange body and the second flange body are made of a strength alloy steel material, connecting sleeves are arranged at the outer ends of the first flange body and the second flange body, four countersunk bolt holes are formed in the front end wall of the first flange body, and expansion bolts are arranged in the countersunk bolt holes. According to the utility model, four tightening bolts are screwed into the countersunk bolt holes through the tool, the first flange plate body and the second flange plate body are fixed, then four carbon steel bolts are screwed into the connecting rod, and four nuts are screwed, so that the two first flange plate bodies and the second flange plate bodies are secondarily tightened, the first flange plate bodies and the second flange plate bodies are prevented from being offset due to vibration, the accuracy is improved, and the coaxiality between the flange plate, the shaft sleeve and the stirring shaft is ensured.

Inventors

Xu Zilian
HU XIAOBO
LU YANJIE
YUAN YUE
YUAN DEHU
LI ZHENHONG
ZHAO WEI
SHEN WENHUI
CI JIAPING
ZHANG MINGMIN

Assignees

江阴市万里锻件有限公司

Dates

Publication Date: 20260512
Application Date: 20250612

Claims (5)

1. The transmission flange of the high-precision stirrer comprises a first flange body (1) and a second flange body (13), wherein the first flange body (1) and the second flange body (13) are made of a strength alloy steel material, and connecting sleeves (2) are arranged at the outer ends of the first flange body (1) and the second flange body (13); The novel flange is characterized in that four countersunk bolt holes (7) are formed in the front end wall of the first flange body (1), expansion bolts (5) are arranged in the countersunk bolt holes (7), four connecting rods (4) are arranged on the outer side wall of the first flange body (1), carbon steel bolts (6) are arranged in the middle of each connecting rod (4), four carbon steel bolts (6) are arranged, and nuts are connected with the rear ends of the carbon steel bolts (6) in a threaded mode.
2. The high-precision stirrer transmission flange plate according to claim 1 is characterized in that an annular groove (3) is formed in the front end of the connecting sleeve (2), a second sealing ring (12) is arranged in the annular groove (3), and a first sealing ring (8) is arranged at the joint of the first flange plate body (1) and the second flange plate body (13).
3. The high-precision stirrer transmission flange as claimed in claim 2, wherein the outer layers of the first sealing ring (8) and the second sealing ring (12) are respectively provided with a fluoroplastic layer (9).
4. A high-precision mixer driving flange as claimed in claim 3, characterized in that the inner layer of the fluoroplastic layer (9) is provided with an elastic layer (10), and the elastic layers (10) are all made of fluororubber.
5. A high precision mixer driving flange as claimed in claim 4, characterized in that the inner layer of the elastic layer (10) is provided with a ceramic coating (11).

Description

Transmission flange plate of high-precision stirrer Technical Field The utility model relates to the technical field of stirrer flange plates, in particular to a high-precision stirrer transmission flange plate. Background The transmission flange is mainly used for transmitting torque generated by a motor or other power sources to a stirring shaft of the stirrer. The stirring device is just like a bridge, ensures that power can be efficiently transmitted from the driving device to the stirring component, and ensures that the stirring paddle can normally rotate, thereby realizing stirring operation on materials. The existing driving flange of the mixer is in a vibration state for a long time, bolts installed between the two flange plates are loosened, coaxiality between the flange plates, the shaft sleeve and the mixing shaft is difficult to guarantee, vibration and unbalanced load are easy to generate during long-term operation, equipment abrasion is aggravated, a sealing ring in the flange plate is rubbed for a long time to lead to material abrasion, sealing performance is reduced, hardening or softening is easy to generate due to temperature and medium erosion, service life is shortened, permanent deformation is caused, and sealing effect is affected. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides the high-precision driving flange of the stirrer, which has the advantages of high precision and the like, and solves the problems proposed by the background technology. The high-precision stirrer driving flange comprises a first flange body and a second flange body, wherein the first flange body and the second flange body are made of a strength alloy steel material, and connecting sleeves are arranged at the outer ends of the first flange body and the second flange body; The novel flange comprises a flange body, and is characterized in that four countersunk bolt holes are formed in the front end wall of the first flange body, expansion bolts are arranged in the countersunk bolt holes, four connecting rods are arranged on the outer side wall of the first flange body, carbon steel bolts are arranged in the middle of the connecting rods, the four carbon steel bolts are arranged, and nuts are connected to the rear ends of the carbon steel bolts in a threaded mode. As a still further scheme of the utility model, the front end of the connecting sleeve is provided with the annular groove, the inside of the annular groove is provided with the second sealing ring, the joint of the first flange plate body and the second flange plate body is provided with the first sealing ring, and the sealing performance of the joint can be improved by the first sealing ring and the second sealing ring. As a still further scheme of the utility model, the outer layers of the first sealing ring and the second sealing ring are respectively provided with a fluoroplastic layer, so that the fluoroplastic layers can resist chemical medium corrosion, and the service lives of the first sealing ring and the second sealing ring are prolonged. As a still further proposal of the utility model, the inner layer of the fluoroplastic layer is provided with an elastic layer which is made of fluororubber, thus improving the elasticity of the first sealing ring and the second sealing ring and avoiding damage caused by long-term extrusion. As a still further proposal of the utility model, the inner layer of the elastic layer is provided with a ceramic coating which can resist frictional wear and improve the sealing performance. Compared with the prior art, the utility model has the beneficial effects that: 1. According to the utility model, four expansion bolts are screwed into the countersunk bolt holes through the tool, the first flange plate body and the second flange plate body are fixed, then four carbon steel bolts are screwed into the connecting rod, and four nuts are screwed, so that the two first flange plate bodies and the second flange plate bodies are secondarily tightened, the first flange plate bodies and the second flange plate bodies are prevented from being offset due to vibration, the accuracy is improved, and the coaxiality between the flange plate and the shaft sleeve and between the flange plate and the stirring shaft is ensured. 2. According to the utility model, the fluoroplastic layer can resist chemical medium erosion, the service lives of the first sealing ring and the second sealing ring are prolonged, the elastic layers are made of fluororubber, the elasticity of the first sealing ring and the second sealing ring is improved, the damage caused by long-term extrusion is avoided, the ceramic coating can resist friction and abrasion, the sealing performance is improved, and the deformation is prevented. Drawings FIG. 1 is a schematic view of the present utility model; FIG. 2 is a schematic diagram of the structure of the present utility model; fig. 3 is a schematic material structure o