Crushing roll shaft and chain type crusher thereof
By setting multiple layers of crushing components and staggered chain units on the outer wall of the crushing roller shaft, combined with the movable connection of the alloy chain, the problem of low crushing efficiency of existing chain crushers is solved, and efficient crushing and convenient maintenance of compound fertilizer materials are achieved.
Patent Information
- Application Number
- CN202520171301.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-26
AI Technical Summary
The existing chain crusher has low crushing efficiency, making it difficult to effectively improve the crushing effect on compound fertilizer materials.
Multiple crushing components are arranged on the outer wall of the crushing roller shaft, including a first crushing component, a second crushing component and a third crushing component. Multiple crushing is achieved through staggered chain units and a cutting blade structure. Combined with the movable connection between the alloy chain and the chain collar pin, it is easy to replace individual components.
It significantly improves the crushing efficiency of the crushing roller, slows down the material falling speed, increases the crushing layers, enhances the crushing effect of compound fertilizer materials, and reduces the cost of later maintenance and replacement parts.
Smart Images

Figure CN223875191U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a crushing device technical field especially, it relates to a kind of crushing roller shaft and chain type pulverizer thereof. BACKGROUND
[0002] Chain type pulverizer is a kind of machine using the impact force generated by high-speed rotation of chain to crush materials.In the production and processing of compound fertilizer, chain type pulverizer is needed to crush the lump in raw material.
[0003] Prior art discloses a crushing roller shaft and chain type pulverizer with the roller shaft (announcement number:CN217989471U), including drive shaft, the shaft body outside drive shaft is equipped with crushing roller sleeve, the end of drive shaft is provided with connecting ring, the inner ring surface of connecting ring is provided with multiple reserved slots;Perforation, set up in the surface of reserved slot, the inner ring surface of crushing roller sleeve is provided with positioning slot, positioning slot is inserted with positioning plug, positioning plug is connected in the surface of push block after passing through perforation.The advantages of prior art are that the crushing roller sleeve is replaced, and the maintenance cost in later period is saved.
[0004] Prior art discloses a kind of chain type pulverizer for biological organic fertilizer production (announcement number:CN212092524U), including vibration machine body, both sides of vibration machine body are fixedly installed with support leg, the top of vibration machine body outer wall is fixedly installed with crushing box by buffer bracket, the top of crushing box is fixedly installed with top seat, the left side of the top of top seat is fixedly installed with feed inlet, the right side between the bottom of top seat and the right side of crushing box is fixedly installed with connecting block.
[0005] Prior art provides a kind of chain type pulverizer, for the production of fertilizer, the crushing roller shaft of prior art is composed of simple chain structure, and the overall crushing efficiency is not high, and the crushing efficiency of crushing roller shaft can be improved.
[0006] Therefore, the person skilled in the art provides a kind of crushing roller shaft and chain type pulverizer thereof to solve the problems raised in the above background. UTILITY MODEL CONTENT
[0007] In view of the deficiencies of prior art, the utility model provides a kind of crushing roller shaft and chain type pulverizer thereof, solves the problems raised in the above background.
[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0009] A crushing roller shaft, comprising: a shaft body, an outer wall of the shaft body is provided with a first crushing assembly, a second crushing assembly and a third crushing assembly for crushing compound fertilizer materials; the first crushing assembly comprises a first mounting plate, a first cutting knife and a first chain unit, the number of the first chain unit is multiple, and the first cutting knife and the first chain unit are arranged in a ring array on the outer wall of the first mounting plate; the second crushing assembly comprises a second mounting plate and a second chain unit, the number of the second chain unit is multiple, and the second chain unit is same in structure with the first chain unit; the third crushing assembly comprises a third mounting plate and a second cutting knife, and the second cutting knife is arranged in a ring array on the outer wall of the first mounting plate.
[0010] According to the crushing roller shaft, the first mounting plate is welded and fixedly installed on the outer wall surface of the shaft body, and the first cutting knife is welded and fixed in an inclined upward manner on the outer wall of the first mounting plate.
[0011] According to the crushing roller shaft, the second mounting plate is welded and fixedly installed on the outer wall surface of the shaft body, and the second mounting plate is located below the first mounting plate.
[0012] According to the crushing roller shaft, the first chain unit and the second mounting plate each comprise an alloy chain and a chain collar pin, the alloy chain is movably connected with the chain collar pin, the outer wall of the first mounting plate and the second mounting plate is provided with an installation groove at a position corresponding to the chain collar pin, a circular hole groove is formed in the top end of the first mounting plate and the second mounting plate, the circular hole groove is in communication with the corresponding installation groove, a screw is arranged in the circular hole groove, the screw movably penetrates through the corresponding chain collar pin and is screw-connected with a nut.
[0013] According to the crushing roller shaft, the first chain unit and the second chain unit are arranged in a staggered manner on the outer wall surface of the shaft body.
[0014] According to the crushing roller shaft, the third mounting plate is welded and fixedly installed on the outer wall surface of the shaft body, the third mounting plate is located below the second mounting plate, and the second cutting knife is welded and fixed in a horizontal state on the outer wall of the third mounting plate.
[0015] A chain type crushing machine, comprising a crushing box and the crushing roller shaft, and the crushing roller shaft is movably installed in the crushing box.
[0016] The utility model provides a crushing roller shaft and chain type crushing machine thereof.
[0017] (1) The first crushing assembly, the second crushing assembly and the third crushing assembly are arranged on the outer wall of the shaft body, the first crushing assembly crushes the compound fertilizer material in two levels, and the falling speed of the material is delayed, the first chain unit and the second chain unit are arranged in a staggered manner on the outer wall of the shaft body, the compound fertilizer material which is still in a large piece after passing through the first crushing assembly is crushed by the second crushing assembly, and the third crushing assembly is arranged to crush the whole compound fertilizer material again, so that the crushing effect of the crushing roller shaft is further improved.
[0018] (2) The second mounting plate is welded and fixedly installed on the outer wall of the shaft body, the first chain unit and the second mounting plate each comprise an alloy chain and a chain collar bolt, the alloy chain is movably connected with the chain collar bolt, and the chain collar bolt is fixed between the corresponding first mounting plate and second mounting plate by means of a screw and a nut, so that the single replacement is facilitated, and the replacement cost is saved.
[0019] (3) The third mounting plate is welded and fixedly installed on the outer wall of the shaft body, and the second cutting knife is in a horizontal state, so that the second cutting knife crushes the compound fertilizer material again during work, and the crushing efficiency of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a three-dimensional structure schematic view of the crushing roller shaft of the utility model;
[0021] Figure 2 It is a three-dimensional structure schematic view of the crushing roller shaft of the utility model;
[0022] Figure 3 It is a three-dimensional structure schematic view of the first crushing assembly;
[0023] Figure 4 It is a three-dimensional structure schematic view of the second crushing assembly;
[0024] Figure 5 It is a three-dimensional structure schematic view of the third crushing assembly.
[0025] LEGEND:
[0026] 10, shaft body; 11, first crushing assembly; 12, second crushing assembly; 13, third crushing assembly; 14, first mounting plate; 15, first cutting knife; 16, first chain unit; 17, second mounting plate; 18, alloy chain; 19, chain collar bolt; 20, screw; 21, third mounting plate; 22, second cutting knife. DETAILED DESCRIPTION
[0027] As Figures 1-5The pulverizing roller shaft comprises a shaft body 10, an outer wall of the shaft body 10 is provided with a first pulverizing assembly 11, a second pulverizing assembly 12 and a third pulverizing assembly 13 for pulverizing the compound fertilizer material; the first pulverizing assembly 11 comprises a first mounting plate 14, a first cutting knife 15 and a plurality of first chain units 16, the first cutting knife 15 and the first chain units 16 are arranged in a ring array on the outer wall of the first mounting plate 14; the second pulverizing assembly 12 comprises a second mounting plate 17 and a plurality of second chain units, the second chain units are identical in structure to the first chain units 16; the third pulverizing assembly 13 comprises a third mounting plate 21 and a second cutting knife 22, the second cutting knife 22 is arranged in a ring array on the outer wall of the first mounting plate 14. The first chain units 16 and the second chain units are arranged in a staggered manner on the outer wall of the shaft body 10.
[0028] The chain type pulverizer comprises a pulverizing box and the above-mentioned pulverizing roller shaft, and the pulverizing roller shaft is movably installed in the pulverizing box.
[0029] Specifically, the first pulverizing assembly 11 pulverizes the compound fertilizer material in two levels, delays the falling speed of the material, the first chain units 16 and the second chain units are arranged in a staggered manner on the outer wall of the shaft body 10, the large block compound fertilizer material after the first pulverizing assembly 11 is pulverized is pulverized by the second pulverizing assembly 12, the third pulverizing assembly 13 is arranged to pulverize the whole compound fertilizer material again, and the pulverizing effect of the pulverizing roller shaft is further improved.
[0030] The first mounting plate 14 is welded and fixedly installed on the outer wall of the shaft body 10, and the first cutting knife 15 is welded and fixed in an inclined upward manner on the outer wall of the first mounting plate 14.
[0031] Specifically, the first mounting plate 14 is welded and fixedly installed on the outer wall of the shaft body 10, and the first cutting knife 15 is welded and fixed in an inclined upward manner on the outer wall of the first mounting plate 14, the first cutting knife 15 is arranged in an inclined upward manner, the first chain units 16 are in a horizontal state during work, the first cutting knife 15 and the first chain units 16 pulverize the material in two levels, and the pulverizing effect is better.
[0032] The second mounting plate 17 is welded and fixedly installed on the outer wall of the shaft 10, and is located below the first mounting plate 14. Both the first chain unit 16 and the second mounting plate 17 include an alloy chain 18 and a chain collar pin 19. The alloy chain 18 is movably connected to the chain collar pin 19. The outer walls of the first mounting plate 14 and the second mounting plate 17 have mounting grooves at the positions corresponding to the chain collar pins 19. The top ends of the first mounting plate 14 and the second mounting plate 17 have through-hole slots that communicate with the corresponding mounting grooves. Screws 20 are installed inside the through-hole slots, movably passing through the corresponding chain collar pins 19 and threadedly connected to a nut.
[0033] Specifically, a second mounting plate 17 is welded and fixedly installed on the outer wall of the shaft 10. Both the first chain unit 16 and the second mounting plate 17 include an alloy chain 18 and a chain collar pin 19. The alloy chain 18 is movably connected to the chain collar pin 19. The chain collar pin 19 is fixed to the corresponding first mounting plate 14 and second mounting plate 17 by screws 20 and nuts, which facilitates individual replacement later and saves replacement costs. The outer walls of the first mounting plate 14 and the second mounting plate 17 are provided with mounting grooves at the positions of the corresponding chain collar pins 19. The top ends of the first mounting plate 14 and the second mounting plate 17 are provided with through-hole grooves to facilitate the installation and fixation of the chain collar pins 19.
[0034] The third mounting plate 21 is welded and fixedly installed on the outer wall of the shaft 10. The third mounting plate 21 is located below the second mounting plate 17. The second cutting blade 22 is welded and fixed horizontally on the outer wall of the third mounting plate 21.
[0035] Specifically, the third mounting plate 21 is welded and fixed to the outer wall of the shaft 10. The second cutting blade 22 is in a horizontal state. During operation, the second cutting blade 22 further crushes the compound fertilizer material, thereby improving the crushing efficiency of the device.
[0036] The working principle of the crushing roller and its chain crusher disclosed in this application is as follows: The first crushing component 11, the second crushing component 12 and the third crushing component 13 are arranged on the outer wall of the shaft body 10. The first crushing component 11 crushes the compound fertilizer material in two layers, slowing down the falling speed of the material. The first chain unit 16 and the second chain unit are arranged to be staggered on the outer wall of the shaft body 10. The compound fertilizer material that is still in large pieces after passing through the first crushing component 11 is crushed by the second crushing component 12. The third crushing component 13 crushes the compound fertilizer material again, further improving the crushing effect of the crushing roller of this application.
[0037] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.
Claims
1. A pulverizing roller shaft characterized by, Comprising: The outer wall of the shaft body (10) is provided with a first crushing assembly (11), a second crushing assembly (12) and a third crushing assembly (13) for crushing compound fertilizer materials; The first crushing assembly (11) comprises a first mounting plate (14), a first cutting knife (15) and a first chain unit (16), the number of the first chain unit (16) is multiple, and the first cutting knife (15) and the first chain unit (16) are arranged in a ring array on the outer wall of the first mounting plate (14); The second crushing assembly (12) comprises a second mounting plate (17) and a second chain unit, the number of the second chain unit is multiple, and the second chain unit is the same in structure as the first chain unit (16); The third crushing assembly (13) comprises a third mounting plate (21) and a second cutting knife (22), and the second cutting knife (22) is arranged in a ring array on the outer wall of the first mounting plate (14).
2. The pulverizing roll shaft according to claim 1, characterized in that: The first mounting plate (14) is welded and fixedly installed on the outer wall surface of the shaft body (10), and the first cutting knife (15) is welded and fixedly installed on the outer wall of the first mounting plate (14) in an inclined upward manner.
3. The pulverizing roll shaft according to claim 1, characterized in that: The second mounting plate (17) is welded and fixedly installed on the outer wall surface of the shaft body (10), and the second mounting plate (17) is located below the first mounting plate (14).
4. The pulverizing roll shaft according to claim 1, characterized in that: The first chain unit (16) and the second mounting plate (17) each comprise an alloy chain (18) and a chain collar plug (19), the alloy chain (18) is movably connected with the chain collar plug (19), the outer wall of the first mounting plate (14) and the second mounting plate (17) is provided with a mounting groove at a position corresponding to the chain collar plug (19), a circular hole groove is formed at the top end of the first mounting plate (14) and the second mounting plate (17), the circular hole groove is in communication with the corresponding mounting groove, a screw (20) is arranged in the circular hole groove, the screw (20) movably penetrates through the corresponding chain collar plug (19) and is threadedly connected with a nut.
5. The pulverizing roll shaft according to claim 4, characterized in that: The first chain unit (16) and the second chain unit are staggered on the outer wall surface of the shaft body (10).
6. The pulverizing roll shaft according to claim 1, characterized in that: The third mounting plate (21) is welded and fixedly installed on the outer wall surface of the shaft body (10), and the third mounting plate (21) is located below the second mounting plate (17), and the second cutting knife (22) is welded and fixedly installed on the outer wall of the third mounting plate (21) in a horizontal state.
7. A chain shredder characterized by: The crushing roller shaft is movably installed in the crushing box.
Citation Information
Patent Citations
Chain crusher for producing bio-organic fertilizer
CN212092524U
Crushing roll shaft and chain crusher with same
CN217989471U