CN212055836U - Kneading machine paddle axle head and box connection structure - Google Patents
Kneading machine paddle axle head and box connection structure Download PDFInfo
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- CN212055836U CN212055836U CN202020473220.7U CN202020473220U CN212055836U CN 212055836 U CN212055836 U CN 212055836U CN 202020473220 U CN202020473220 U CN 202020473220U CN 212055836 U CN212055836 U CN 212055836U
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Abstract
The utility model relates to the technical field of kneading machines, and discloses a kneading machine paddle shaft end and box body connecting structure, which comprises a box body and two paddles, wherein end shafts are respectively formed at two ends of the paddles, four bosses which are in one-to-one correspondence with the end shafts are formed on the box body, and step through holes and positioning holes which are eccentrically arranged with the step through holes are formed on the bosses; a step cylinder matched with the step through hole is sleeved in the step through hole, a shaft sleeve seat is sleeved in the step cylinder, a positioning block eccentrically arranged with the shaft sleeve seat is formed at the outer end of the shaft sleeve seat, the positioning block is inserted and sleeved in the positioning hole, and the positioning block is fixedly connected with the step cylinder; a shaft sleeve is sleeved in the second step through hole of the shaft sleeve seat, the outer end of the shaft sleeve is pressed against the thrust bearing, a shaft end fixing seat is arranged on the outer side of the thrust bearing, and the shaft end fixing seat is fixedly connected with the end shaft; a spring is clamped between the shaft end fixing seat and the thrust bearing. The novel connecting structure is adopted to replace a circular packing sealing structure, the sealing performance is more stable, and meanwhile, the later maintenance work is facilitated.
Description
The technical field is as follows:
the utility model relates to a kneading machine technical field, concretely relates to kneading machine paddle axle head and box connection structure.
Background art:
the kneader is an important production device of liquid silicone rubber, and the kneader mainly stirs and mixes powder raw materials through the paddle, then conveys the raw materials after stiring to the extrusion kneading part through the transmission part and forms the ejection of compact, set up the filler in the sealed cavity between paddle axle head and box, squeeze the filler through the bolt fastening pressure disk in order to adjust the sealing performance, leak the material after the filler is abraded easily, pollute the operating environment, need the artifical regular adjustment bolt, change the filler, the filler has short performance life, overhaul and maintain frequently.
The utility model has the following contents:
the utility model aims at overcoming the not enough of prior art, providing a kneading machine paddle axle head and box connection structure, it adopts a new connection structure replacement circular shape packing structure, and its leakproofness is more stable, makes things convenient for the maintenance work in later stage simultaneously.
The utility model provides a technical problem's scheme is:
a kneading machine paddle shaft end and box body connecting structure comprises a box body and two paddles arranged in the box body, wherein end shafts are respectively formed at two ends of each paddle, and the end shafts are hinged on the box body; four bosses which correspond to the end shafts one by one are formed on the box body, step through holes which are arranged in a large-inside and small-outside mode and are coaxially arranged with the corresponding end shafts are formed on the inner sides of the bosses, and positioning holes which are eccentrically arranged with the step through holes are formed on the outer sides of the bosses;
the step through hole is internally sleeved with a step cylinder matched with the step through hole, the middle part of the step cylinder is formed with a central through hole, the central through hole is internally sleeved with a shaft sleeve seat, the outer end of the shaft sleeve seat is formed with a positioning block eccentrically arranged with the shaft sleeve seat, the positioning block is matched and connected with the positioning hole and is inserted and sleeved in the positioning hole, and the positioning block is fixedly connected with the step cylinder through a plurality of first screws; the shaft sleeve seat is formed with a second step through hole with a large outer part and a small inner part, a shaft sleeve is sleeved in a large end hole of the second step through hole, the end shaft penetrates through the shaft sleeve, the outer end of the shaft sleeve is pressed against the thrust bearing, a shaft end fixing seat is arranged on the outer side of the thrust bearing, and the shaft end fixing seat is inserted in the end part of the end shaft and is fixedly connected with the end shaft through a plurality of second screws; and a spring is clamped between the shaft end fixing seat and the thrust bearing.
A sealing groove is formed in the inner wall of the shaft sleeve, and a sealing ring is sleeved in the sealing groove.
The spring is formed by overlapping a plurality of disc-shaped springs.
And a limiting convex rib is formed on the end surface of the shaft end fixing seat facing the disc spring and is pressed on the outer wall of the disc spring.
The shaft end fixing seat is formed with a protective taper sleeve protruding towards the direction of the box body, one end of the protective taper sleeve close to the box body is inserted and sleeved on the baffle ring, and the baffle ring is formed on the outer end face of the boss.
The inner end face of the step column and the inner end face of the shaft sleeve seat are flush with the corresponding side wall of the box body.
The inner diameter of the small end hole of the second step through hole and the inner diameter of the shaft sleeve are in clearance fit with the outer diameter of the end shaft, and the inner diameter of the small end hole of the second step through hole is larger than the inner diameter of the shaft sleeve.
And a plurality of threaded holes are formed in the outer end face of the shaft sleeve.
The utility model discloses an outstanding effect is:
compared with the prior art, the novel connecting structure is adopted to replace a circular packing sealing structure, the sealing performance is more stable, and meanwhile, the maintenance work in the later period is facilitated.
Description of the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a cross-sectional view of fig. 2 taken about B-B.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to fig. 3, a kneader blade shaft end and box body connecting structure comprises a box body 1 and two blades 2 arranged in the box body 1, wherein two ends of each blade 2 are respectively formed with an end shaft 21, and the end shafts 21 are hinged on the box body 1; four bosses 11 which correspond to the end shafts 21 one by one are formed on the box body 1, step through holes 12 which are arranged coaxially with the corresponding end shafts 21 and are large in inside and small in outside are formed on the inner sides of the bosses 11, and positioning holes 13 which are eccentrically arranged with the step through holes 12 are formed on the outer sides of the bosses 11;
the step through hole 12 is internally sleeved with a step cylinder 3 matched with the step through hole, the middle part of the step cylinder 3 is formed with a central through hole 31, the central through hole 31 is internally sleeved with a shaft sleeve seat 4, the outer end of the shaft sleeve seat 4 is formed with a positioning block 41 eccentrically arranged with the shaft sleeve seat, the positioning block 41 is matched and connected with the positioning hole 13, the positioning block 41 is inserted and sleeved in the positioning hole 13, and the positioning block 41 is fixedly connected with the step cylinder 3 through a plurality of first screws 51; the shaft sleeve seat 4 is formed with a second step through hole 42 with a large outer part and a small inner part, a shaft sleeve 6 is sleeved in a large end hole of the second step through hole 42, the end shaft 21 penetrates through the shaft sleeve 6, the outer end of the shaft sleeve 6 is pressed against the thrust bearing 7, a shaft end fixing seat 8 is arranged on the outer side of the thrust bearing 7, and the shaft end fixing seat 8 is inserted and sleeved at the end part of the end shaft 21 and is fixedly connected with the end shaft 21 through a plurality of second screws 52; and a spring 9 is clamped between the shaft end fixing seat 8 and the thrust bearing 7.
Furthermore, a sealing groove is formed on the inner wall of the shaft sleeve 6, and a sealing ring 61 is sleeved in the sealing groove.
Furthermore, the spring 9 is formed by stacking a plurality of disc springs 91.
Furthermore, a limiting convex rib 81 is formed on the end surface of the shaft end fixing seat 8 facing the disc spring 91, the limiting convex rib 81 is pressed on the outer wall of the disc spring 91, and the limiting convex rib limits the disc spring 91 to the left and the right to prevent the disc spring 91 from sliding left and right.
Furthermore, the shaft end fixing seat 8 is formed with a protection taper sleeve 82 protruding towards the box body, one end of the protection taper sleeve 82 close to the box body is inserted and sleeved on the baffle ring 14, and the baffle ring 14 is formed on the outer end face of the boss 11.
Furthermore, the inner end surface of the step column 3 and the inner end surface of the shaft sleeve seat 4 are flush with the corresponding side wall of the box body 1.
Furthermore, the inner diameter of the small end hole of the second stepped through hole 42 and the inner diameter of the shaft sleeve 6 are in clearance fit with the outer diameter of the end shaft 21, and the inner diameter of the small end hole of the second stepped through hole 42 is larger than the inner diameter of the shaft sleeve 6, so that the abrasion of the end shaft 21 on the shaft sleeve seat 4 can be reduced, and only the shaft sleeve 6 needs to be replaced.
Further, a plurality of threaded holes 62 are formed on the outer end surface of the boss 6.
The working principle is as follows: in the rotating process of the paddle adopting the structure, the end shaft 21 of the paddle only rotates relative to the shaft sleeve 6 and the sealing ring 61, so that the end shaft only abrades the shaft sleeve and the sealing ring, and only the shaft sleeve and the sealing ring need to be replaced regularly;
shaft sleeve and sealing ring replacing step: removing the second screw, removing the shaft end fixing seat 8 from the end part of the end shaft 21, and then sequentially removing the disc spring 91 and the thrust bearing; the spring is screwed on the threaded hole 62 of the shaft sleeve 6 through an external screw, the shaft sleeve 6 is detached from the shaft sleeve seat 4 by pulling the external screw, and then a new shaft sleeve 6 (with a sealing ring 61) is inserted into the second step through hole again; then a thrust bearing, a disc spring 91, a shaft end fixing seat 8 and a second screw are sequentially arranged; this structure does not contain the filler structure, has solved the problem of filler wearing and tearing, and the sealed respond well of this structure, makes things convenient for the change of axle sleeve simultaneously, makes things convenient for the later maintenance work.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (8)
1. A kneading machine paddle shaft end and box body connecting structure comprises a box body (1) and two paddles (2) arranged in the box body (1), wherein end shafts (21) are respectively formed at two ends of each paddle (2), and the end shafts (21) are hinged on the box body (1); the method is characterized in that: four bosses (11) which correspond to the end shafts (21) one by one are formed on the box body (1), step through holes (12) which are arranged in a large-inside and small-outside manner and are coaxial with the corresponding end shafts (21) are formed on the inner sides of the bosses (11), and positioning holes (13) which are eccentrically arranged with the step through holes (12) are formed on the outer sides of the bosses (11);
the step through hole (12) is internally sleeved with a step cylinder (3) matched with the step through hole, the middle part of the step cylinder (3) is formed with a central through hole (31), the central through hole (31) is internally sleeved with a shaft sleeve seat (4), the outer end of the shaft sleeve seat (4) is formed with a positioning block (41) eccentrically arranged with the shaft sleeve seat, the positioning block (41) is matched and connected with the positioning hole (13), the positioning block (41) is inserted and sleeved in the positioning hole (13), and the positioning block (41) is fixedly connected with the step cylinder (3) through a plurality of first screws (51); the shaft sleeve seat (4) is formed with a second step through hole (42) with a large outer part and a small inner part, a shaft sleeve (6) is sleeved in a large end hole of the second step through hole (42), the end shaft (21) penetrates through the shaft sleeve (6), the outer end of the shaft sleeve (6) is pressed on the thrust bearing (7), a shaft end fixing seat (8) is arranged on the outer side of the thrust bearing (7), and the shaft end fixing seat (8) is inserted and sleeved at the end part of the end shaft (21) and is fixedly connected with the end shaft (21) through a plurality of second screws (52); and a spring (9) is clamped between the shaft end fixing seat (8) and the thrust bearing (7).
2. The connecting structure of the shaft end and the box body of the kneader blade according to claim 1, characterized in that: a sealing groove is formed in the inner wall of the shaft sleeve (6), and a sealing ring (61) is sleeved in the sealing groove.
3. The connecting structure of the shaft end and the box body of the kneader blade according to claim 1, characterized in that: the spring (9) is formed by overlapping a plurality of disc-shaped springs (91).
4. The connecting structure of the shaft end and the box body of the kneader blade as claimed in claim 3, characterized in that: and a limiting convex rib (81) is formed on the end surface of the shaft end fixing seat (8) facing the disc spring (91), and the limiting convex rib (81) is pressed on the outer wall of the disc spring (91).
5. The connecting structure of the shaft end and the box body of the kneader blade according to claim 1, characterized in that: the shaft end fixing seat (8) is formed with a protection taper sleeve (82) protruding towards the direction of the box body, one end, close to the box body, of the protection taper sleeve (82) is inserted and sleeved on the baffle ring (14), and the baffle ring (14) is formed on the outer end face of the boss (11).
6. The connecting structure of the shaft end and the box body of the kneader blade according to claim 1, characterized in that: the inner end surface of the step column body (3) and the inner end surface of the shaft sleeve seat (4) are flush with the corresponding side wall of the box body (1).
7. The connecting structure of the shaft end and the box body of the kneader blade according to claim 1, characterized in that: the inner diameter of the small end hole of the second step through hole (42) and the inner diameter of the shaft sleeve (6) are in clearance fit with the outer diameter of the end shaft (21), and the inner diameter of the small end hole of the second step through hole (42) is larger than the inner diameter of the shaft sleeve (6).
8. The connecting structure of the shaft end and the box body of the kneader blade according to claim 1, characterized in that: the outer end face of the shaft sleeve (6) is provided with a plurality of threaded holes (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473220.7U CN212055836U (en) | 2020-04-03 | 2020-04-03 | Kneading machine paddle axle head and box connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473220.7U CN212055836U (en) | 2020-04-03 | 2020-04-03 | Kneading machine paddle axle head and box connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN212055836U true CN212055836U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020473220.7U Active CN212055836U (en) | 2020-04-03 | 2020-04-03 | Kneading machine paddle axle head and box connection structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199123A (en) * | 2021-04-23 | 2021-08-03 | 浙江正鼎汽车零部件有限公司 | Nut automatic feed and welding set |
| CN113977795A (en) * | 2021-11-12 | 2022-01-28 | 浙江润阳新材料科技股份有限公司 | Efficient pressurizing method for banburying bin |
-
2020
- 2020-04-03 CN CN202020473220.7U patent/CN212055836U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199123A (en) * | 2021-04-23 | 2021-08-03 | 浙江正鼎汽车零部件有限公司 | Nut automatic feed and welding set |
| CN113199123B (en) * | 2021-04-23 | 2021-12-28 | 浙江正鼎汽车零部件有限公司 | Nut automatic feed and welding set |
| CN113977795A (en) * | 2021-11-12 | 2022-01-28 | 浙江润阳新材料科技股份有限公司 | Efficient pressurizing method for banburying bin |
| CN113977795B (en) * | 2021-11-12 | 2024-04-19 | 浙江润阳新材料科技股份有限公司 | Efficient pressurizing method for banburying bin |
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