Rod pin structure for grinding machine
By designing a spiral dispersion groove and positioning column structure on the surface of the pin, the problem of frequent replacement of pins due to wear was solved, improving grinding efficiency and production continuity.
Patent Information
- Application Number
- CN202422928866.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The pins in existing grinding mills are prone to wear when they rub against and impact with high-hardness impurities in the slurry, requiring frequent replacement. However, existing technology cannot quickly disassemble and reassemble them, affecting production efficiency.
A bar pin structure was designed, which includes opening a spiral dispersion groove on the surface of the bar pin body, and achieving quick disassembly and installation through the cooperation of positioning pins and fixing bolts.
The spiral dispersion groove enhances the axial flow and contact area of the slurry, improves grinding efficiency, ensures uniform distribution, and enables quick replacement of the rod pins, reducing downtime.
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Figure CN223587323U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of grinding machine, concretely is a kind of stick pin structure for grinding machine. BACKGROUND
[0002] Stick pin type grinding machine is a kind of efficient grinding equipment, mainly by cylinder, stick pin, agitator, driving device, feed inlet and discharge port etc. Part is composed;Cylinder is equipped with a certain number of stick pin, agitator is rotated at high speed under the driving of driving device;Its working process is that the material to be ground enters the grinding machine cylinder through feed inlet;Driving device drives agitator to rotate at high speed, and stick pin on agitator moves along with it;Stick pin produces strong impact, shearing and friction on material in the rotating process;Material is continuously broken and refined under the action of these forces;Due to the special shape and arrangement of stick pin, material can be fully stirred and mixed in cylinder, to ensure the uniformity of grinding effect;
[0003] Stick pin on grinding machine rubs and impacts high-hardness impurities in slurry for a long time, and is prone to wear, so in order to ensure the dispersion effect of stick pin, it is necessary to replace the stick pin that is seriously worn out frequently, how to quickly replace and install the stick pin is the focus of the case, and the case is based on this. CONTENT OF UTILITY MODEL
[0004] The utility model aims at providing a kind of stick pin structure for grinding machine, to solve the defect that stick pin rubs and impacts high-hardness impurities in slurry for a long time in the above background art, and is prone to wear, so in order to ensure the dispersion effect of stick pin, it is necessary to replace the stick pin that is seriously worn out frequently, the stick pin in prior art cannot be quickly disassembled.
[0005] To achieve the above object, a kind of stick pin structure for grinding machine is provided, including dispersion cylinder, main shaft fixing hole is set in the end inner side of dispersion cylinder, and the size of main shaft fixing hole is compatible with the driving main shaft of grinding machine, while dispersion cylinder is fixedly installed with grinding machine dispersion assembly, grinding machine dispersion assembly includes installation disc fixedly arranged on the surface of dispersion cylinder, and the circumferential outer wall of installation disc is fixedly installed with stick pin installation assembly, stick pin installation assembly includes positioning column weldedly fixed on installation disc, and the positioning column is fixedly installed with stick pin body, while dispersion groove is set on the circumferential outer wall of stick pin body.
[0006] Preferably, the surface of the dispersion cylinder is uniformly provided with multiple groups of installation discs, and the installation discs are annularly arranged, and the distance between adjacent two groups of installation discs is consistent.
[0007] Preferably, the circumferential outer wall of the installation disc is uniformly provided with six groups of stick pin installation assemblies, and the positioning columns of the six groups of stick pin installation assemblies are uniformly distributed along the surface of the annularly arranged installation disc.
[0008] Preferably, the dispersing groove of the outer surface of the pin body is helically arranged, and the pin body is internally provided with an assembling groove, which is matched with the size of the positioning column, and the positioning column is inserted into the assembling groove.
[0009] Preferably, the bottom side wall of the pin body is provided with a mounting hole, and the bottom side wall of the positioning column is provided with a threaded hole, which is matched with the size of the fixing bolt, and the fixing bolt is screwed into the threaded hole through the mounting hole.
[0010] Preferably, the mounting hole and the threaded hole are arranged in parallel, and both the mounting hole and the threaded hole are inclined, and the axial section of the pin body and the positioning column is a concentric circle structure.
[0011] Compared with the prior art, the present application has the following advantages:
[0012] 1. The dispersing groove is arranged on the surface of the pin body, and the dispersing groove is helically arranged, so that the slurry can flow axially when the pin rotates; the slurry is continuously impacted and sheared by the pin during the process of ascending or descending along the spiral, thereby enhancing the impact dispersion effect; the helical dispersing groove can also increase the contact area between the pin and the slurry, improve the grinding efficiency, effectively guide the slurry flow, make the slurry more evenly distributed in the grinding machine, and avoid local accumulation; the stirring effect on the slurry is increased, and the dispersion effect is further improved.
[0013] 2. When the pin body needs to be replaced due to serious damage, the fixing bolt in the mounting hole and the threaded hole is disassembled, the pin body is held, and the pin body is separated from the outside of the positioning column, so that the pin body is quickly replaced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view of the structure of the present application;
[0015] Figure 2 It is a front view of the structure of the present application; Figure 1 It is a front view of the structure of the present application;
[0016] Figure 3 It is a front view of the structure of the present application;
[0017] Figure 4 It is a front view of the structure of the present application; Figure 3 It is a front view of the structure of the present application;
[0018] The figure label: 1, dispersion cylinder; 2, main shaft fixing hole; 3, grinder dispersion assembly; 31, mounting disc; 32, pin mounting assembly; 321, pin body; 322, dispersion groove; 323, assembly groove; 324, mounting hole; 325, fixing bolt; 326, positioning column; 327, threaded hole. DETAILED DESCRIPTION
[0019] Please refer to Figures 1-4 The utility model provides a kind of pin structure for grinder, including dispersion cylinder 1, the end inside of dispersion cylinder 1 is equipped with main shaft fixing hole 2, and main shaft fixing hole 2 is compatible with the size of the driving main shaft of grinder, while dispersion cylinder 1 is fixedly installed with grinder dispersion assembly 3, grinder dispersion assembly 3 includes mounting disc 31 fixedly arranged on the surface of dispersion cylinder 1, and the circumferential outer wall of mounting disc 31 is fixedly installed with pin mounting assembly 32, pin mounting assembly 32 includes positioning column 326 weldedly fixed on mounting disc 31, and positioning column 326 is fixedly installed with pin body 321, while the circumferential outer wall of pin body 321 is equipped with dispersion groove 322.
[0020] As can be known from above, in use, driving main shaft is fixedly installed in the main shaft fixing hole 2 inside dispersion cylinder 1, and the driving motor of grinder drives dispersion cylinder 1 to rotate at high speed by driving main shaft, multiple groups of grinder dispersion assembly 3 are evenly arranged on dispersion cylinder 1, six groups of pin body 321 are evenly arranged on grinder dispersion assembly 3, and a large number of pin body 321 on dispersion cylinder 1 can produce strong impact, shearing and friction effect on slurry when rotating;Material is continuously broken and refined under the action of these forces, and the surface of pin body 321 is equipped with dispersion groove 322, and dispersion groove 322 is spirally arranged, when pin rotates, spiral structure can make slurry flow axially;Slurry is continuously impacted and sheared by pin during ascending or descending along spiral, so that the dispersion effect of beating is enhanced;The setting of spiral dispersion groove 322 can also increase the contact area of pin and slurry, improve grinding efficiency;Effectively guide slurry flow, make slurry more evenly distributed in grinder, avoid local accumulation;Increase the stirring action on slurry, further improve dispersion effect.
[0021] The surface of dispersion cylinder 1 is evenly provided with multiple mounting discs 31, and the mounting disc 31 is annularly arranged, and the distance between adjacent two groups of mounting discs 31 is consistent.
[0022] As a preferred embodiment, the circumferential outer wall of mounting disc 31 is evenly provided with six groups of pin mounting assembly 32, and the positioning columns 326 on the six groups of pin mounting assembly 32 are evenly distributed along the surface of annularly arranged mounting disc 31.
[0023] The dispersing groove 322 is spirally arranged on the outer surface of the rod pin body 321, and the assembling groove 323 is arranged in the rod pin body 321, which is matched with the size of the positioning column 326, and the positioning column 326 is inserted into the assembling groove 323.
[0024] As can be seen from the above, when the rod pin body 321 needs to be replaced in use, the fixing bolt 325 in the mounting hole 324 and the threaded hole 327 is disassembled, the rod pin body 321 is held, and the rod pin body 321 is separated from the outside of the positioning column 326, so that the rod pin body 321 is quickly replaced. When the new rod pin body 321 is installed, the rod pin body 321 is held, the assembling groove 323 in the rod pin body 321 is inserted into the outside of the positioning column 326, the fixing bolt 325 is screwed and fixed in the threaded hole 327 through the mounting hole 324, and the rod pin body 321 is tightly installed.
[0025] As a preferred embodiment, the mounting hole 324 is arranged on the bottom side wall of the rod pin body 321, the threaded hole 327 is arranged on the bottom side wall of the positioning column 326, the threaded hole 327 is matched with the size of the fixing bolt 325, and the fixing bolt 325 is screwed and fixed in the threaded hole 327 through the mounting hole 324.
[0026] The mounting hole 324 and the threaded hole 327 are arranged in parallel, and the mounting hole 324 and the threaded hole 327 are arranged in an inclined manner, and the axial section of the rod pin body 321 and the positioning column 326 is a concentric circle structure.
[0027] Working principle: the spindle fixed hole 2 in the inside of dispersion cylinder 1 fixed installation has drive spindle, the drive motor of grinder drives dispersion cylinder 1 to carry out high-speed rotation through drive spindle, evenly set multiple groups of grinder dispersion assembly 3 on dispersion cylinder 1, evenly set six groups of bar pin body 321 on grinder dispersion assembly 3, a large number of bar pin body 321 on dispersion cylinder 1 can produce strong impact, shearing and friction effect to slurry when rotating; material is continuously broken and refined under the action of these forces, the surface of bar pin body 321 is provided with dispersion groove 322, and the dispersion groove 322 is provided in spiral shape, when the bar pin rotates, the spiral structure can make slurry produce axial flow; the slurry is continuously impacted and sheared by the bar pin during ascending or descending along the spiral, thereby enhancing the impact dispersion effect; the setting of spiral dispersion groove 322 can also increase the contact area of bar pin and slurry, improve the grinding efficiency; effectively guide the flow of slurry, make the slurry distribute more evenly in the grinder, avoid local accumulation; increase the stirring action on the slurry, further improve the dispersion effect; when it is necessary to replace the severely damaged bar pin body 321, the fixing bolt 325 inside the mounting hole 324 and the threaded hole 327 is disassembled and removed, the bar pin body 321 is held, the bar pin body 321 can be separated from the outside of the positioning column 326, so as to complete the quick replacement work of the bar pin body 321, at the same time, when installing the brand new bar pin body 321, holding the bar pin body 321, inserting the assembling groove 323 inside the bar pin body 321 into the outside of the positioning column 326, at this time, the fixing bolt 325 is screwed and fixed in the inside of the threaded hole 327 through the mounting hole 324, the bar pin body 321 can be tightly installed.
Claims
1. A stick pin structure for a grinder, comprising a dispersion cylinder (1), characterized by: The end of the dispersing cylinder (1) is provided with a spindle fixing hole (2) which is matched with the size of the driving spindle of the grinder, and the dispersing cylinder (1) is fixedly provided with a grinder dispersing assembly (3), the grinder dispersing assembly (3) comprises a mounting disc (31) fixedly arranged on the surface of the dispersing cylinder (1), and the circumferential outer wall of the mounting disc (31) is fixedly provided with a rod pin mounting assembly (32), the rod pin mounting assembly (32) comprises a positioning column (326) welded on the mounting disc (31), and the positioning column (326) is fixedly provided with a rod pin body (321), and the circumferential outer wall of the rod pin body (321) is provided with a dispersing groove (322).
2. A pin structure for a grinder as defined in claim 1, wherein: The surface of the dispersing cylinder (1) is uniformly provided with a plurality of mounting discs (31), and the mounting disc (31) is annularly arranged, and the distance between the adjacent two mounting discs (31) is consistent.
3. The pin structure for a grinder as set forth in claim 1, wherein: The circumferential outer wall of the mounting disc (31) is uniformly provided with six rod pin mounting assemblies (32), and the positioning columns (326) of the six rod pin mounting assemblies (32) are uniformly distributed along the surface of the annularly arranged mounting disc (31).
4. The pin structure for a grinder as set forth in claim 1, wherein: The dispersing groove (322) formed on the outer surface of the rod pin body (321) is spirally arranged, and the rod pin body (321) is provided with an assembling groove (323) in the inside, and the assembling groove (323) is matched with the size of the positioning column (326), and the positioning column (326) is inserted into the inside of the assembling groove (323).
5. A stud structure for a grinder as defined in claim 4, wherein: The bottom side wall of the rod pin body (321) is provided with a mounting hole (324), and the bottom side wall of the positioning column (326) is provided with a threaded hole (327), and the threaded hole (327) is matched with the size of the fixing bolt (325), and the fixing bolt (325) is screwed into the inside of the threaded hole (327) through the mounting hole (324).
6. A stud structure for a grinder as defined in claim 5, wherein: The mounting hole (324) and the threaded hole (327) are arranged in parallel, and the mounting hole (324) and the threaded hole (327) are both arranged in an inclined manner, and the axial section of the rod pin body (321) and the positioning column (326) is a concentric circle structure.