CN216630722U - Anti-sticking tabletting mechanism of dry-method granulator - Google Patents
Anti-sticking tabletting mechanism of dry-method granulator Download PDFInfo
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- CN216630722U CN216630722U CN202123414830.3U CN202123414830U CN216630722U CN 216630722 U CN216630722 U CN 216630722U CN 202123414830 U CN202123414830 U CN 202123414830U CN 216630722 U CN216630722 U CN 216630722U
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- compression roller
- transmission shaft
- sticking mechanism
- roller
- compression
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Abstract
The utility model discloses an anti-sticking mechanism of a dry-process granulator, which comprises a first compression roller and a second compression roller which are correspondingly arranged, wherein the first compression roller and the second compression roller are respectively connected with a transmission shaft, one end of the transmission shaft, which is far away from the first compression roller, is provided with a transmission gear which is meshed with each other, the transmission shaft is also communicated with a rotary joint, cooling holes are formed in the first compression roller and the second compression roller, the cooling holes are communicated with the rotary joint through the transmission shaft, and the outer surface of at least one of the first compression roller and the second compression roller is provided with a chromium nitride layer. Compared with the prior art, the two compression rollers are cooled and radiated, and the chromium nitride layer is coated on the compression rollers, so that the compression rollers have better anti-sticking performance during tabletting, the granulating requirement of sticky materials can be better met, the tabletting quality is ensured, the stability of the equipment in the operation process is improved, the production efficiency is improved, and the requirement on the skill of production workers is reduced.
Description
Technical Field
The utility model relates to the technical field of dry-process granulators, in particular to an anti-sticking tabletting mechanism of a dry-process granulator.
Background
The existing dry-process granulator mainly comprises an upper compression roller and a lower compression roller, materials are conveyed to the position between the upper compression roller and the lower compression roller through a conveying screw, the materials are extruded by the compression rollers to form thin slices with uniform density, the phenomenon of sticking the compression rollers is often found in actual production, the materials which are stuck are rolled for multiple times along with the rotation of the compression rollers, and the consistency of production results of the materials in the same batch or the materials in different batches is poor. When the phenomenon of sticking the compression roller occurs, the production process is stopped and adjusted, and the state of the better non-sticking compression roller can be adjusted by operators with rich experience, so that the production stability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anti-sticking tabletting mechanism of a dry-method granulator, which has the advantages that the two compression rollers are cooled and radiated, and the chromium nitride layer is coated on the compression rollers, so that the compression rollers have better anti-sticking property during tabletting, the stability of the equipment in the operation process is improved, the production efficiency is improved, the tabletting quality is ensured, and the requirement on the skill of production workers is reduced.
The utility model provides an anti-sticking mechanism of a dry-process granulator, which comprises a first compression roller and a second compression roller which are correspondingly arranged, wherein the first compression roller and the second compression roller are respectively connected with a transmission shaft, one end of the transmission shaft, which is far away from the first compression roller, is provided with a transmission gear which is meshed with each other, the transmission shaft is also communicated with a rotary joint, cooling holes are formed in the first compression roller and the second compression roller and are communicated with the rotary joint through the transmission shaft, and the outer surface of at least one of the first compression roller and the second compression roller is provided with a chromium nitride layer.
Preferably, the cooling device further comprises a temperature detection device for detecting the temperature of the cooling liquid in the cooling hole.
Preferably, the outer surfaces of the first pressing roller and the second pressing roller are both provided with chromium nitride layers.
Preferably, a plurality of grooves are formed in the outer surfaces of the first pressing roller and the second pressing roller, the cross sections of the grooves are arc-shaped, and the notches of the grooves are of a fillet structure.
Preferably, the outer surface of at least one of the first pressing roller and the second pressing roller is provided with a chromium oxide layer.
Preferably, the transmission shaft is provided with a through hole, a water inlet pipe is arranged in the through hole, a water outlet channel is formed between the water inlet pipe and the through hole, the water inlet pipe and the water outlet channel are respectively communicated with a liquid receiving port and a liquid outlet of the rotary joint, the transmission shaft is provided with a water inlet groove and a water outlet groove which are respectively communicated with the water inlet pipe and the water outlet channel, and the water inlet groove and the water outlet groove are respectively communicated with two ends of the cooling hole.
Preferably, a transmission shaft connected with the first press roller is connected with a pressing assembly driving the transmission shaft to move towards the second press roller.
Preferably, the pressing assembly comprises a hydraulic oil cylinder and a play bearing, the play bearing is sleeved on the first press roll, and the hydraulic oil cylinder applies pressure to the first press roll through the play bearing.
Preferably, the pressing assembly further comprises an upper box body, and the upper box body is arranged between the hydraulic oil cylinder and the play bearing.
Preferably, the hydraulic oil cylinder and the play bearing are both arranged at one end of the transmission shaft close to the first press roll.
Compared with the prior art, the two compression rollers are cooled and radiated, and the chromium nitride layer is coated on the compression rollers, so that the compression rollers have better anti-sticking performance during tabletting, the granulating requirement of sticky materials can be better met, the tabletting quality is ensured, the stability of the equipment in the operation process is improved, the production efficiency is improved, and the requirement on the skill of production workers is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a left side view of the present invention;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Reference numerals:
1. the automatic water supply device comprises a first compression roller, 2, a second compression roller, 3, a transmission shaft, 4, a transmission gear, 5, a rotary joint, 6, a water inlet pipe, 7, a water outlet channel, 8, a pressure applying assembly, 31, a water inlet groove, 32, a water outlet groove, 81, a hydraulic oil cylinder, 82, a clearance bearing, 83, an upper box body, 100, a cooling hole, 200, a chromium nitride layer and 300, wherein the first compression roller, the second compression roller, the transmission shaft, the transmission gear, the rotary joint, the water inlet pipe, the water outlet channel and the groove are sequentially arranged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to the accompanying drawings 1-2, this embodiment provides an antiseized preforming mechanism of dry process granulator, including corresponding first compression roller 1 and the second compression roller 2 that sets up, first compression roller 1 is located the top of second compression roller 2, first compression roller 1 and second compression roller 2 are connected with transmission shaft 3 respectively, the one end that first compression roller 1 was kept away from to transmission shaft 3 is equipped with intermeshing's drive gear 4, still intercommunication has rotary joint 5 on the transmission shaft 3, first compression roller 1 and second compression roller 2 are seted up cooling hole 100, cooling hole 100 passes through transmission shaft 3 and rotary joint 5 intercommunication, the surface of at least one compression roller in first compression roller 1 and the second compression roller 2 is equipped with chromium nitride layer 200. The chromium nitride layer 200 is formed by coating the outer surface of the press roll with chromium nitride, which is commonly used as a thin film coating, is tougher, durable, low stress than other coatings, and has high adhesion to the substrate. The chromium nitride with low friction coefficient has certain lubricity and strong anti-sticking performance, and can effectively solve the sticking problem of the compression roller.
The present embodiment further includes a temperature detection device for detecting the temperature of the cooling liquid in the cooling hole 100. Specifically, the liquid receiving port and the liquid outlet of the rotary joint 5 are respectively provided with a temperature detection device, and the heat dissipation of the compression roller is adjusted by detecting the temperature of the cooling liquid before flowing through the compression roller and the temperature of the cooling liquid after flowing through the compression roller.
The outer surfaces of the first compression roller 1 and the second compression roller 2 are both provided with the chromium nitride layer 200, and the two compression rollers have better anti-sticking performance due to the arrangement.
Referring to fig. 3, specifically, the outer surfaces of the first pressing roller 1 and the second pressing roller 2 are both provided with a plurality of grooves 300, the cross sections of the grooves 300 are arc-shaped, and the notches of the grooves 300 are in a rounded structure.
The transmission shaft 3 is provided with a through hole, a water inlet pipe 6 is arranged in the through hole, a water outlet channel 7 is formed between the water inlet pipe 6 and the through hole, the water inlet pipe 6 and the water outlet channel 7 are respectively communicated with a liquid receiving port and a liquid outlet of the rotary joint 5, the transmission shaft 3 is provided with a water inlet groove 31 and a water outlet groove 32 which are respectively communicated with the water inlet pipe 6 and the water outlet channel 7, and the water inlet groove 31 and the water outlet groove 32 are respectively communicated with two ends of the cooling hole 100.
The drive shaft 3 connected to the first press roll 1 is connected to a pressure applying assembly 8 which drives it towards the second press roll 2. Finely adjust the distance between two compression rollers through subassembly 8 of exerting pressure, be favorable to alleviating the phenomenon of gluing the compression roller.
The pressing assembly 8 comprises a hydraulic oil cylinder 81 and a play bearing 82, the play bearing 82 is sleeved on the first pressing roller 1, the hydraulic oil cylinder 81 applies pressure to the first pressing roller 1 through the play bearing 82 so as to finely adjust the distance between the first pressing roller 1 and the second pressing roller 2, and the play bearing 82 is a bearing with bearing play.
The presser assembly 8 further comprises an upper casing 83, the upper casing 83 being provided between the hydraulic ram 81 and the free-play bearing 82.
The hydraulic oil cylinder 81 and the play bearing 82 are both arranged at one end of the transmission shaft 3 close to the first press roll 1.
Example two
This embodiment is substantially the same as the first embodiment, except that:
the outer surface of at least one of the first press roller 1 and the second press roller 2 is provided with a chromium oxide layer. The coating of chromium oxide on the outer surface of the press roll also has good release properties.
According to the utility model, through cooling and heat dissipation of the two compression rollers and coating the chromium nitride layer 200 on the compression rollers, the compression rollers have better anti-sticking performance during tabletting, the granulating requirement of sticky materials can be better met, the tabletting quality is ensured, the stability of the equipment in the operation process is improved, the production efficiency is improved, and the requirement on the skill of production workers is reduced.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an antiseized preforming mechanism of dry process granulator, its characterized in that, is including corresponding first compression roller (1) and second compression roller (2) that set up, first compression roller (1) and second compression roller (2) are connected with transmission shaft (3) respectively, the one end that first compression roller (1) was kept away from in transmission shaft (3) is equipped with intermeshing's drive gear (4), still intercommunication has rotary joint (5) on transmission shaft (3), it has cooling hole (100) to open in first compression roller (1) and second compression roller (2), cooling hole (100) are through transmission shaft (3) and rotary joint (5) intercommunication, the surface of at least one compression roller in first compression roller (1) and second compression roller (2) is equipped with chromium nitride layer (200).
2. The anti-sticking mechanism of a dry granulator according to claim 1, further comprising a temperature detection device for detecting the temperature of the cooling fluid in the cooling holes (100).
3. The anti-sticking mechanism of a dry granulator according to claim 2, characterized in that the outer surface of the first pressure roller (1) and the second pressure roller (2) are provided with a chromium nitride layer (200).
4. The anti-sticking mechanism of the dry granulator according to claim 3, wherein the outer surfaces of the first compression roller (1) and the second compression roller (2) are provided with a plurality of grooves (300), the cross section of each groove (300) is arc-shaped, and the notches of the grooves (300) are in a rounded structure.
5. The anti-sticking mechanism of a dry granulator according to claim 1, wherein the outer surface of at least one of the first (1) and second (2) rolls is provided with a chromium oxide layer.
6. The anti-sticking mechanism of the dry granulator according to claim 1, wherein the transmission shaft (3) is provided with a through hole, a water inlet pipe (6) is arranged in the through hole, a water outlet channel (7) is formed between the water inlet pipe (6) and the through hole, the water inlet pipe (6) and the water outlet channel (7) are respectively communicated with the liquid receiving port and the liquid outlet port of the rotary joint (5), the transmission shaft (3) is provided with a water inlet groove (31) and a water outlet groove (32) which are respectively communicated with the water inlet pipe (6) and the water outlet channel (7), and the water inlet groove (31) and the water outlet groove (32) are respectively communicated with two ends of the cooling hole (100).
7. The anti-sticking mechanism of a dry granulator according to claim 1, characterized in that the transmission shaft (3) connected to the first pressure roller (1) is connected to a pressing assembly (8) which drives it towards the second pressure roller (2).
8. The anti-sticking mechanism of a dry granulator according to claim 7, characterized in that the pressing assembly (8) comprises a hydraulic cylinder (81) and a free-play bearing (82), the free-play bearing (82) being sleeved on the first press roll (1), the hydraulic cylinder (81) applying pressure to the first press roll (1) through the free-play bearing (82).
9. The anti-sticking mechanism of a dry granulator according to claim 8, characterized in that the pressing assembly (8) further comprises an upper box (83), the upper box (83) being provided between the hydraulic cylinder (81) and the free-play bearing (82).
10. The anti-sticking mechanism of a dry granulator according to claim 9, characterized in that the hydraulic cylinder (81) and the free-play bearing (82) are both arranged at the end of the transmission shaft (3) close to the first press roll (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123414830.3U CN216630722U (en) | 2021-12-31 | 2021-12-31 | Anti-sticking tabletting mechanism of dry-method granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123414830.3U CN216630722U (en) | 2021-12-31 | 2021-12-31 | Anti-sticking tabletting mechanism of dry-method granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216630722U true CN216630722U (en) | 2022-05-31 |
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ID=81725271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123414830.3U Active CN216630722U (en) | 2021-12-31 | 2021-12-31 | Anti-sticking tabletting mechanism of dry-method granulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216630722U (en) |
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2021
- 2021-12-31 CN CN202123414830.3U patent/CN216630722U/en active Active
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