CN113996393B

CN113996393B - Disc type grinding machine with screening function

Info

Publication number: CN113996393B
Application number: CN202111320417.2A
Authority: CN
Inventors: 冯平仓; 彭静; 孙容; 谷朋涛; 王同发; 王高利
Original assignee: Sichuan Ruichi Tuowi Machinery Manufacturing Co ltd
Current assignee: Sichuan Ruichi Tuowei Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2023-01-10
Anticipated expiration: 2041-11-09
Also published as: CN113996393A

Abstract

The invention relates to the technical field of disc type grinding equipment, and provides a disc type grinding machine with a screening function, which comprises a vertical auger conveyor, a motor, a grinding box, a material guide block, an outer grinding disc and an inner grinding disc, wherein the material guide block, the outer grinding disc and the inner grinding disc are arranged in the grinding box; the full-automatic rotary lifting device realizes full-automatic rotary lifting motion of the inner grinding disc through the transmission mechanism arranged in the inner grinding disc, and the efficiency and the stability of the whole motion process are high.

Description

Disc type grinding machine with screening function

Technical Field

The invention relates to the technical field of disc type grinding equipment, in particular to a disc type grinding machine with a screening function.

Background

Disc mills, which are often used as an alternative to grinding apparatuses and also as a common apparatus for fine grinding, have better grinding effects on some ground materials with smaller particles, but for some ground materials with smaller particles, a blockage often occurs, which leads to the grinding efficiency of the apparatus becoming lower and the effect being poor, and for this reason, many inventors made many improvements.

If the application number is: CN202021407453.3 discloses a powder grinder for water-fast no stimulation nail polish, has provided the possible scheme that prevents the jam, and is specific, utilizes the rotation of round axle drive fixed plate and connecting plate, is favorable to stirring the raw materials in the stock chest, avoids appearing the phenomenon of jam.

If the application number is: 202011048848.3, which is a chinese patent discloses an anti-blocking fine grinding device for flour processing, wherein a roller is matched with an arc-shaped groove to realize that a grinding disc can move up and down while rotating, so as to change the size of a grinding gap, facilitate blanking and solve the problem of easy blocking.

Disclosure of Invention

The invention aims to provide a disc grinder with a screening function, which realizes full-automatic rotary lifting motion of an inner grinding disc through a transmission mechanism arranged in the inner grinding disc, and has high efficiency and stability in the whole motion process.

The embodiment of the invention is realized by the following technical scheme: the utility model provides a disc grinder with screening function, includes vertical auger conveyer, motor, grinds the case and sets up at the inside guide piece of grinding incasement, outer abrasive disc, interior abrasive disc, and interior abrasive disc includes: the rotary sleeve, first grinding piece and the locating lever of setting on first grinding piece rotation axis, the inside of first grinding piece is equipped with the cavity, the cavity sets up around the locating lever is rotatory, the both ends of locating lever run through first grinding piece and fix on grinding the case, be equipped with first bevel gear in the cavity, first bevel gear fixes on the locating lever, the rotary sleeve sets up between the tank wall of first bevel gear and grinding case, the locating lever is located in the top of first bevel gear and the cover of rotary sleeve, the fixed rotary rod that is equipped with in the outside of rotary sleeve, second bevel gear on the rotary rod, second bevel gear is rotatory around the rotary rod and second bevel gear and first bevel gear meshing, be equipped with the poker rod on the second bevel gear, be equipped with the spout in the cavity, the one end setting of poker rod is in the inside of spout, poker rod and rotary rod eccentric setting, the rotary sleeve is rotatory by motor drive.

Further, the rotating sleeve extends to the outside of the grinding box.

Further, be equipped with the arch on the swivel sleeve, the length direction setting of protruding edge locating lever is equipped with the recess on the first grinding piece, and the protruding setting of recess cooperation, bellied length are greater than the twice of the distance between poker rod and the rotary rod.

Further, still including setting up at the outside drive mechanism of grinding the case, drive mechanism includes final drive shaft, and final drive shaft is rotatory by motor drive, is equipped with first action wheel on the final drive shaft, is equipped with first from the driving wheel on the swivel sleeve, and first action wheel and first follow driving wheel pass through the belt and connect.

Furthermore, a bearing is arranged between the outer side of the outer grinding disc and the grinding box, a gear disc is further arranged on the outer side of the outer grinding disc, a driving gear is arranged on the main transmission shaft and is driven by the main transmission shaft, and the driving gear is meshed with the gear disc.

Further, still be equipped with the screen cloth in the grinding case, the first end of screen cloth articulates on the interior tank wall of grinding case, and the second end of screen cloth is vertical to be equipped with the baffle, and the second end that is close to the screen cloth still is equipped with indirect drive arrangement, and indirect drive arrangement includes: the grinding machine comprises a driving rotating rod and a shifting block arranged on the driving rotating rod, wherein two ends of the driving rotating rod are fixed on the wall of a grinding box through bearings, the shifting block is provided with an inclined plane, the highest point of the inclined plane is higher than the top point of a baffle, the lowest point of the inclined plane is lower than the top point of the baffle, the second end of a screen is higher than the first end of the screen, the bottom of the second end of the screen is provided with an elastic reset piece, and the elastic reset piece comprises a fixing plate fixed on the grinding machine and a spring arranged on the fixing plate; the driving rotating rod is driven to rotate by the main transmission shaft.

Further, the transmission mode between the main transmission shaft and the driving rotating rod is one of belt transmission and gear transmission.

The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:

1: the full-automatic rotary lifting movement of the inner grinding disc is realized through the transmission mechanism arranged in the inner grinding disc, and the efficiency and the stability of the whole movement process are high; specifically, the function of automatic rotation and lifting is realized through the cooperation of the bevel gear, the rotating sleeve and the poke rod.

2: the invention has reasonable design and simple structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a disc grinder with a screening function according to the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a schematic view of a matching structure of a rotating sleeve and a first grinding block in a disc grinder with a screening function according to the present invention;

fig. 4 is a schematic structural diagram of an indirect driving device in a disc grinder with a screening function according to the present invention;

an icon: 1-a vertical auger conveyor, 2-a motor, 3-a grinding box, 4-a guide block, 5-an outer grinding disc, 6-an inner grinding disc, 7-a screen, 21-a main transmission shaft, 22-a first driving wheel, 221-a first driven wheel, 23-a driving gear, 51-a bearing, 52-a gear disc, 71-an elastic reset piece, 72-an indirect driving device, 721-a driving rotating rod, 722-a shifting block, 723-an inclined plane, 724-a baffle, 61-a rotating sleeve, 62-a first grinding block, 63-a positioning rod, 64-a cavity, 65-a first bevel gear, 66-a rotating rod, 67-a second bevel gear, 68-a shifting rod, 69-a sliding chute and 611-a bulge.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1, a disc grinder with a screening function comprises a vertical auger conveyor 1, a motor 2, a grinding box 3, a material guide block 4 arranged inside the grinding box 3, an outer grinding disc 5 and an inner grinding disc 6; the whole working process is as follows: the grinding material is thrown in from the feed inlet of grinding box 3, send to between outer grinding miller 5 and the interior grinding miller 6 through guide block 4, grind the grinding material through the relative grinding of outer grinding miller 5 and interior grinding miller 6, the grinding material that does not pass through sufficient grinding is carried to guide block 4 again in through vertical flood dragon conveyer, grind with interior grinding miller 6 and outer grinding miller 5 from down, above-mentioned whole process is the same as the common disc mill on the market, the clear motion process and the implementation mode that do not describe adopt common arrangement mode on the market can.

In the present embodiment, the main inventive point is the rotation and up-and-down movement of the inner grinding disk 6, specifically, as shown in fig. 1,2,3, the inner grinding disk 6 includes: the grinding device comprises a rotating sleeve 61, a first grinding block 62 and a positioning rod 63 arranged on a rotating shaft of the first grinding block 62, wherein a cavity 64 is arranged inside the first grinding block 62, the cavity 64 is rotatably arranged around the positioning rod 63, two ends of the positioning rod 63 penetrate through the first grinding block 62 and are fixed on a grinding box 3, specifically, the top end of the positioning rod 63 is fixed on the upper top wall of the grinding box 3, the lower end of the positioning rod 63 is fixed on the side wall of the grinding box 3 through a rod piece, and the first grinding block 62 is arranged in the middle of the positioning rod 63; a first bevel gear 65 is arranged in the cavity 64, the first bevel gear 65 is fixed on a positioning rod 63, a rotating sleeve 61 is arranged between the first bevel gear 65 and the wall of the grinding box 3, the rotating sleeve 61 is positioned above the first bevel gear 65 and sleeved on the positioning rod 63, a rotating rod 66 is fixedly arranged on the outer side of the rotating sleeve 61, preferably, the rotating rod 66 is arranged perpendicular to the rotating sleeve 61, a second bevel gear 67 is arranged on the rotating rod 66, the second bevel gear 67 rotates around the rotating rod 66, the second bevel gear 67 is meshed with the first bevel gear 65, a poke rod 68 is arranged on the second bevel gear 67, and preferably, the poke rod 68 is arranged in parallel with the rotating rod 66; a chute 69 is arranged in the cavity 64, and preferably, the chute 69 is arranged along the horizontal plane; one end of the tap lever 68 is disposed inside the sliding groove 69, the tap lever 68 is disposed eccentrically to the rotating lever 66, and the rotating sleeve 61 is rotated by the motor 2.

The whole working state is as follows: the rotating sleeve 61 is driven by the motor 2 to rotate in the horizontal plane direction, the rotating sleeve 61 drives the rotating rod 66 to do plane rotation together, at the moment, the first bevel gear 65 is meshed with the second bevel gear 67, the second bevel gear 67 is driven by the rotating rod 66 to do horizontal plane rotation, due to the meshing relation, the second bevel gear 67 can also do rotation around the rotating rod 66, at the moment, the poking rod 68 is driven to do rotation around the rotating rod 66, in the process, one end of the poking rod 68 slides in the sliding groove 69, the poking rod 68 can drive the first grinding block 62 to do rotation up-and-down movement, the rotation up-and-down movement of the inner grinding disc 6 relative to the outer grinding disc 5 is realized, the size of a grinding gap can be changed in the grinding process, and blanking is facilitated; it should be noted that the grinding gap between the inner grinding disk 6 and the outer grinding disk 5 can be an oblique gap as shown in fig. 1, or a vertically arranged gap, and the advantage of the vertical gap is that the grinding direction is one more.

In some embodiments, if the dial rod 68 is used alone to rotate, the possibility of failure is high, for this reason, as shown in fig. 1,3, the rotating sleeve 61 is provided with a protrusion 611, the protrusion 611 is arranged along the length direction of the positioning rod 63, the first grinding block 62 is provided with a groove, the groove is arranged to match with the protrusion 611, and the length of the protrusion 611 is greater than twice the distance between the dial rod 68 and the rotating rod 66; through the cooperation of protruding 611 and recess, realize directly utilizing swivel sleeve 61 to drive the purpose that first abrasive brick 62 rotated, simultaneously because first abrasive brick 62 can reciprocate, so the length of protruding 611 must be greater than the length of recess, guarantee that the recess can also reciprocate on protruding 611.

In some embodiments, the rotating sleeve 61 extends to the outside of the grinding box 3, and the motor 2 drives the rotating sleeve 61 arranged outside the grinding box 3 to rotate, so as to avoid the possibility of explosion caused by the existence of electric appliances and a certain amount of fine powder in the closed space of the grinding box 3; specifically, as shown in fig. 1, the grinding device further includes a transmission mechanism disposed outside the grinding box 3, the transmission mechanism includes a main transmission shaft 21, the main transmission shaft 21 is driven by the motor 2 to rotate, a first driving wheel 22 is disposed on the main transmission shaft 21, a first driven wheel 221 is disposed on the rotating sleeve 61, and the first driving wheel 22 and the first driven wheel 221 are connected by a belt; further, a bearing 51 is arranged between the outer side of the outer grinding disc 5 and the grinding box 3, a gear disc 52 is further arranged on the outer side of the outer grinding disc 5, a driving gear 23 is arranged on the main transmission shaft 21, the driving gear 23 is driven by the main transmission shaft 21, and the driving gear 23 is meshed with the gear disc 52; in the whole mechanism, the two rotary motions of the inner grinding disc 6 and the outer grinding disc 5 are driven by one motor 2, and in the process, because the rotary sleeve 61 and the main transmission shaft 21 are in belt transmission, the gear disc 52 and the main transmission shaft 21 are in gear transmission, the transmission special effects of the two are better known, and the rotary directions of the rotary sleeve 61 and the gear disc 52 are opposite, so that the inner grinding A disc and the outer grinding disc 5 can be ensured to move reversely, and the grinding efficiency is improved.

In some implementations, to ensure that the insufficiently ground material needs to be recollected back into the guide block 4, when: still be equipped with screen cloth 7 in grinding box 3, the first end of screen cloth 7 articulates on grinding box 3's inner tank wall, and is concrete, and the pin joint is close to the feed inlet setting of vertical auger conveyer 1, and in addition, as shown in 4 of figure 1, the second end of screen cloth 7 is vertical to be equipped with baffle 724, and the second end that is close to screen cloth 7 still is equipped with indirect drive arrangement 72, and indirect drive arrangement 72 includes: the driving rotating rod 721 and the shifting block 722 arranged on the driving rotating rod 721, along the vertical projection direction, the arc length of the shifting block 722 is less than one half of an arc; two ends of the driving rotating rod 721 are fixed on the wall of the grinding box 3 through bearings 51, the shifting block 722 is provided with an inclined surface 723, the inclined surface 723 is used for abutting against the top point of the baffle 724, the highest point of the inclined surface 723 is higher than the top point of the baffle 724, the lowest point of the inclined surface 723 is lower than the top point of the baffle 724, the second end of the screen 7 is higher than the first end of the screen 7, the bottom of the second end of the screen 7 is provided with an elastic resetting piece 71, and the elastic resetting piece 71 comprises a fixing plate fixed on the grinding machine and a spring arranged on the fixing plate; the driving rotating rod 721 is driven by the main transmission shaft 21 to rotate, specifically, a belt transmission mode is adopted; in the process, the main transmission shaft 21 drives the rotating rod 721 to rotate, the rotating rod 721 drives the shifting block 722 to rotate, the inclined surface 723 of the shifting block 722 intermittently presses the top point of the baffle 724, so that the second end of the screen 7 intermittently extrudes the elastic resetting piece 71, and the elastic resetting piece 71 is utilized to realize the shaking of the screen 7, so that the grinding materials which are collected on the screen 7 and do not penetrate through the screen 7 are collected into the vertical auger conveyor 1 for secondary grinding.

It should be noted that all the matching relationships not mentioned in the whole process, such as how the material in the material guide block 4 is carried between the outer grinding disk 5 and the inner grinding disk 6, are within the scope of the skilled person, and it is not explained herein too much, and the injection of the material into the material guide block is not explained too much, and it is only the intention of the skilled person that the material guide block is commonly available in the market or is interpreted too much.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a disc grinder with screening function, includes vertical auger conveyer (1), motor (2), grinds case (3) and sets up at guide piece (4), outer abrasive disc (5), interior abrasive disc (6) of grinding case (3) inside, its characterized in that: the inner grinding disc (6) comprises: the grinding machine comprises a rotating sleeve (61), a first grinding block (62) and a positioning rod (63) arranged on a rotating shaft of the first grinding block (62), wherein a cavity (64) is arranged inside the first grinding block (62), the cavity (64) is rotationally arranged around the positioning rod (63), two ends of the positioning rod (63) penetrate through the first grinding block (62) and are fixed on the grinding box (3), a first bevel gear (65) is arranged in the cavity (64), the first bevel gear (65) is fixed on the positioning rod (63), the rotating sleeve (61) is arranged between the first bevel gear (65) and a box wall of the grinding box (3), the rotating sleeve (61) is positioned above the first bevel gear (65) and is sleeved on the positioning rod (63), a rotating rod (66) is fixedly arranged on the outer side of the rotating sleeve (61), a second bevel gear (67) is arranged on the rotating rod (66), the rotating rod (67) rotates around the second bevel gear (66), the second bevel gear (67) is meshed with the first bevel gear (65), a poking gear (68) is arranged in one end of the rotating rod (69), and a chute (69) is arranged inside the cavity (64), the poke rod (68) and the rotating rod (66) are eccentrically arranged, and the rotating sleeve (61) is driven to rotate by the motor (2).

2. Disc grinder with screening function according to claim 1, characterised in that the rotating sleeve (61) extends to the outside of the grinding box (3).

3. A disc grinder with screening function as claimed in claim 1, characterized in that the rotary sleeve (61) is provided with a protrusion (611), the protrusion (611) is provided along the length direction of the positioning rod (63), the first grinding block (62) is provided with a groove, the groove is provided to match the protrusion (611), the length of the protrusion (611) is greater than twice the distance between the tap lever (68) and the rotary rod (66).

4. A disc grinder with screening function according to claim 1, further comprising a transmission mechanism disposed outside the grinding box (3), the transmission mechanism including a main transmission shaft (21), the main transmission shaft (21) being driven by the motor (2) to rotate, the main transmission shaft (21) being provided with a first driving wheel (22), the rotary sleeve (61) being provided with a first driven wheel (221), the first driving wheel (22) and the first driven wheel (221) being connected by a belt.

5. A disc mill with screening function according to claim 4, characterized in that a bearing (51) is arranged between the outer side of the outer grinding disc (5) and the grinding box (3), that a gear disc (52) is arranged on the outer side of the outer grinding disc (5), that a driving gear (23) is arranged on the main transmission shaft (21), that the driving gear (23) is driven by the main transmission shaft (21), and that the driving gear (23) is engaged with the gear disc (52).

6. A disc mill with screening function according to claim 4, characterized in that a screen (7) is also provided in the grinding box (3), a first end of the screen (7) is hinged to the inner wall of the grinding box (3), a second end of the screen (7) is vertically provided with a baffle (724), an indirect drive device (72) is also provided near the second end of the screen (7), and the indirect drive device (72) comprises: the grinding machine comprises a driving rotating rod (721) and a shifting block (722) arranged on the driving rotating rod (721), wherein two ends of the driving rotating rod (721) are fixed on the wall of the grinding box (3) through bearings (51), an inclined plane (723) is arranged on the shifting block (722), the highest point of the inclined plane (723) is higher than the top point of a baffle plate (724), the lowest point of the inclined plane (723) is lower than the top point of the baffle plate (724), the second end of the screen (7) is higher than the first end of the screen (7), an elastic resetting piece (71) is arranged at the bottom of the second end of the screen (7), and the elastic resetting piece (71) comprises a fixing plate fixed on the grinding machine and a spring arranged on the fixing plate; the driving rotating rod (721) is driven to rotate by the main transmission shaft (21).

7. Disc grinder with screening function according to claim 6, characterised in that the transmission between the main drive shaft (21) and the drive rotor (721) is one of a belt transmission and a gear transmission.