CN215963773U

CN215963773U - Carbide grinding tool

Info

Publication number: CN215963773U
Application number: CN202121510885.1U
Authority: CN
Inventors: 陈兵赏; 贾新练; 段建新; 骆非; 吕兴州; 刘浩; 林新年; 范玉涛
Original assignee: Hebei Shangquan Metal Products Co ltd
Current assignee: Hebei Shangquan Metal Products Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-03-08
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a hard alloy grinding tool which comprises a case, wherein a partition plate is fixedly connected in the case and divides the case into a crushing chamber and a grinding chamber, the grinding chamber is positioned below the crushing chamber, and the crushing chamber is communicated with the grinding chamber; the top end of the crushing chamber is fixedly connected with a feed hopper in a penetrating way; the crushing chamber is rotationally connected with two crushing rollers which are symmetrically arranged, the outer wall of the crushing chamber is fixedly connected with a first motor, and the first motor is in transmission connection with the crushing rollers; a cleaning mechanism is fixedly arranged on the inner wall of the crushing chamber, the cleaning mechanism corresponds to the crushing roller, a dust collection box and an exhaust fan are fixedly connected to the outer wall of the crushing chamber, and the cleaning mechanism, the dust collection box and the exhaust fan are sequentially communicated; the grinding chamber is internally and fixedly provided with a grinding mechanism and a collecting box, and the collecting box is positioned below the grinding mechanism. According to the utility model, the hard alloy is firstly crushed preliminarily by the crushing mechanism, the large alloy is crushed into smaller alloy, and the crushed alloy is ground into powder, so that the grinding effect is improved.

Description

Carbide grinding tool

Technical Field

The utility model relates to the technical field of hard alloy grinding, in particular to a hard alloy grinding tool.

Background

The hard alloy is an alloy material prepared from a hard compound of refractory metal and bonding metal through a powder metallurgy process, and has a series of excellent properties such as high hardness, wear resistance, heat resistance, corrosion resistance and the like. Powders made of relatively brittle cemented carbides are important raw materials for the metallurgical industry, and their quality determines the development of the metallurgical industry.

But the grinding of current grinding tool to carbide is not enough, leads to the powder of making to be not enough to satisfy metallurgical demand, can't clear away the collection to the carbide of adhesion on crushing mechanism moreover, not only leads to crushing effect not good, leads to the waste of broken raw materials moreover.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a cemented carbide abrasive tool that solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a hard alloy grinding tool which comprises a case, wherein a partition plate is fixedly connected in the case, the case is divided into a crushing chamber and a grinding chamber by the partition plate, and the grinding chamber is positioned below the crushing chamber; the top end of the crushing chamber is fixedly connected with a feed hopper in a penetrating way; the crushing chamber is rotationally connected with two crushing rollers, the two crushing rollers are symmetrically arranged, the outer wall of the crushing chamber is fixedly connected with a first motor, and the first motor is in transmission connection with the crushing rollers; a cleaning mechanism is fixedly arranged on the inner wall of the crushing chamber, the cleaning mechanism corresponds to the crushing roller, a dust collection box and an exhaust fan are fixedly connected to the outer wall of the crushing chamber, and the cleaning mechanism, the dust collection box and the exhaust fan are sequentially communicated; the grinding chamber is internally and fixedly provided with a grinding mechanism and a collecting box, and the collecting box is positioned below the grinding mechanism; the grinding chamber top end runs through fixedly connected with goes out the hopper, the feed end that goes out the hopper is located the below of crushing roller, just the feed end with the crushing roller is corresponding, the discharge end that goes out the hopper is located the top of grinding the groove.

Preferably, the cleaning mechanism comprises a dust cover fixedly connected with the crushing chamber, one side of the dust cover close to the crushing roller is fixedly provided with a plurality of dust collection heads, and the dust collection heads are communicated with the dust collection box; be provided with the cleaning roller in the dust cover, the cleaning roller with crushing room rotates to be connected, crushing room outer wall fixedly connected with second motor, the output shaft of second motor with the cleaning roller transmission is connected.

Preferably, a dust collecting cylinder is detachably connected in the dust collecting box, and a filter screen is fixedly connected to the bottom end of the dust collecting cylinder.

Preferably, the top end of the filter screen is rotatably connected with a rotating shaft, the top end of the rotating shaft is fixedly connected with an impeller, the side wall of the bottom of the rotating shaft is fixedly connected with a scraper, and the scraper is in sliding connection with the filter screen.

Preferably, the grinding mechanism comprises a threaded rod fixedly connected to the top end of the grinding chamber, a threaded cap is screwed at the bottom of the threaded rod, and a connecting block is rotatably connected to the bottom end of the threaded cap; the top end of the connecting block is fixedly connected with a third motor, an output shaft of the third motor is fixedly sleeved with a first gear, a second gear is fixedly sleeved on the outer side of the threaded cap, and the first gear is meshed with the second gear; telescopic rods are arranged on two sides of the threaded rod, and two ends of each telescopic rod are fixedly connected with the connecting block and the grinding chamber respectively; the connecting block bottom articulates there is the grinding piece, it is provided with the grinding groove to grind the piece below, grind the groove with it is articulated to grind the room.

Preferably, three first hydraulic rods are arranged between the grinding block and the connecting block and are distributed in a triangular shape; the two ends of the first hydraulic rod are fixedly connected with ball heads, ball sockets corresponding to the ball heads are formed in the bottom end of the connecting block and the top end of the grinding block, and the first hydraulic rod is hinged with the connecting block and the grinding block through the ball heads; the grinding groove is positioned right below the grinding block.

Preferably, a connecting plate is fixedly sleeved on the outer side of the top end of the grinding groove, second hydraulic rods are hinged to two sides of the connecting plate, and the tail ends of the second hydraulic rods are fixedly connected with the top end of the grinding chamber; the spout has been seted up to the both sides of connecting plate, sliding connection has the pulley in the spout, grinding chamber lateral wall fixedly connected with third hydraulic stem, the end of third hydraulic stem with the pulley rotates to be connected.

The utility model discloses the following technical effects:

1. the utility model firstly carries out primary crushing on the hard alloy through the crushing mechanism, and large alloy is crushed into smaller alloy; grinding the smashed alloy by a grinding mechanism to prepare powder; through preliminary breakage, the grinding effect of the subsequent grinding mechanism is improved.

2. According to the utility model, the cleaning mechanism is arranged on the crushing roller, so that the cemented carbide adhered to the crushing roller can be cleaned and collected, the cleanness of the crushing roller is ensured, the crushing effect on the cemented carbide is ensured, the adhered cemented carbide is collected and processed again, and the production cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic view of a cemented carbide abrasive tool according to the present invention;

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

FIG. 3 is a front view of a cemented carbide abrasive tool of the present invention;

FIG. 4 is a schematic view of the dust box and the dust collecting barrel of the present invention;

FIG. 5 is a schematic view of the structure of the grinding groove of the present invention;

FIG. 6 is a schematic view of a dust cap according to the present invention;

FIG. 7 is a top view of the grinding groove of the present invention;

wherein, 1 is a chassis, 2 is a dust cover, 3 is a cleaning roller, 4 is a dust collecting barrel, 5 is a dust collecting box, 6 is an exhaust fan, 8 is a third hydraulic rod, 9 is a collecting box, 10 is a discharging hopper, 11 is a dust collecting head, 12 is a crushing roller, 13 is a feeding hopper, 14 is a telescopic rod, 15 is a first gear, 16 is a third motor, 17 is a connecting block, 18 is a first hydraulic rod, 19 is a grinding block, 20 is a bulge, 21 is a grinding groove, 22 is a ball head, 23 is a second hydraulic rod, 24 is a second gear, 25 is a threaded rod, 26 is a pulley, 27 is a connecting plate, 28 is a filter screen, 29 is a first motor, 30 is a second motor, 31 is a rotating shaft, 32 is an impeller, 33 is a scraper blade, 34 is a threaded cap, 35 is a third gear, and 36 is a fourth gear.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The utility model provides a hard alloy grinding tool, which comprises a case 1, wherein a partition plate is fixedly connected in the case 1, the case 1 is divided into a crushing chamber and a grinding chamber by the partition plate, and the grinding chamber is positioned below the crushing chamber; the top end of the crushing chamber is fixedly connected with a feed hopper 13 in a penetrating way; the two crushing rollers 12 are rotationally connected in the crushing chamber, the two crushing rollers 12 are symmetrically arranged, the outer wall of the crushing chamber is fixedly connected with a first motor 29, and the first motor 29 is in transmission connection with the crushing rollers 12; a cleaning mechanism is fixedly arranged on the inner wall of the crushing chamber, the cleaning mechanism corresponds to the crushing roller 12, a dust collection box 5 and an exhaust fan 6 are fixedly connected to the outer wall of the crushing chamber, and the cleaning mechanism, the dust collection box 5 and the exhaust fan 6 are sequentially communicated; a grinding mechanism and a collecting box 9 are fixedly arranged in the grinding chamber, and the collecting box 9 is positioned below the grinding mechanism; the grinding chamber top end runs through fixedly connected with goes out hopper 10, and the feed end that goes out hopper 10 is located the below of crushing roller 12, and the feed end corresponds with crushing roller 12, and the discharge end that goes out hopper 10 is located the top of grinding groove 21. According to the utility model, the hard alloy is firstly crushed by the crushing mechanism and then ground by the grinding mechanism, so that the crushing and grinding are combined together, the space is saved, and the grinding effect and the grinding efficiency are improved.

Furthermore, the outer wall of the crushing chamber is rotatably connected with a third gear 35 and a fourth gear 36, the third gear 35 and the fourth gear 36 are respectively and coaxially and fixedly connected with the two crushing rollers 12, and the output shaft of the first motor 29 is coaxially and fixedly connected with the fourth gear 36.

Further, the cleaning mechanism comprises a dust cover 2 fixedly connected with the crushing chamber, one side of the dust cover 2 close to the crushing roller 12 is fixedly provided with a plurality of dust collection heads 11, and the dust collection heads 11 are communicated with the dust collection box 5; be provided with cleaning roller 3 in the dust cover 2, cleaning roller 3 rotates with the crushing room to be connected, and crushing room outer wall fixedly connected with second motor 30, the output shaft and the cleaning roller 3 transmission of second motor 30 are connected. Cleaning roller 3 can be with the carbide clean up and the collection of adhesion on the crushing roller 12, has not only guaranteed the clean and then guarantee of crushing roller 12 to carbide's crushing effect, collects the carbide of adhesion in addition and processes once more, has practiced thrift manufacturing cost. Dust collection heads 11 are arranged on the upper inner wall and the lower inner wall of the dust cover 2, so that the cleaned hard alloy can be prevented from splashing to influence the normal operation of the machine.

Furthermore, a dust collecting cylinder 4 is detachably connected in the dust collecting box 5, and a filter screen 28 is fixedly connected at the bottom end of the dust collecting cylinder 4. The cleaned hard alloy is collected into the dust collecting cylinder 4 to wait for processing again, thereby reducing the waste of raw materials and saving the processing cost.

Furthermore, the top end of the filter screen 28 is rotatably connected with a rotating shaft 31, the top end of the rotating shaft 31 is fixedly connected with an impeller 32, the side wall of the bottom of the rotating shaft 31 is fixedly connected with a scraper 33, and the scraper 33 is slidably connected with the filter screen 28. The impeller 32 drives the scraper 33 to rotate, so that the filter screen 28 is cleaned, and the filter screen 28 is prevented from being blocked by the hard alloy, so that the effect of sucking and removing the hard alloy is prevented.

Further, the grinding mechanism comprises a threaded rod 25 fixedly connected to the top end of the grinding chamber, a threaded cap 34 is screwed at the bottom of the threaded rod 25, and the bottom end of the threaded cap 34 is rotatably connected with a connecting block 17; the top end of the connecting block 17 is fixedly connected with a third motor 16, an output shaft of the third motor 16 is fixedly sleeved with a first gear 15, a second gear 24 is fixedly sleeved on the outer side of the threaded cap 34, and the first gear 15 is meshed with the second gear 24; the two sides of the threaded rod 25 are provided with telescopic rods 14, and the two ends of each telescopic rod 14 are respectively fixedly connected with the connecting block 17 and the grinding chamber; the bottom of connecting block 17 articulates there is grinding block 19, and grinding block 19 below is provided with grinds groove 21, grinds groove 21 and grinds the room and articulates.

Further, three first hydraulic rods 18 are arranged between the grinding block 19 and the connecting block 17, and the three first hydraulic rods 18 are distributed in a triangular shape; the two ends of the first hydraulic rod 18 are fixedly connected with ball heads 22, ball sockets corresponding to the ball heads 22 are formed in the bottom end of the connecting block 17 and the top end of the grinding block 19, and the first hydraulic rod 18 is hinged with the connecting block 17 and the grinding block 19 through the ball heads 22; the grinding groove 21 is located directly below the grinding block 19.

Further, in order to achieve a better grinding effect, the three first hydraulic rods 18 are distributed in an equilateral triangle.

Further, in order to improve the effect of grinding the cemented carbide and the grinding efficiency, a plurality of protrusions 20 are fixedly provided at the bottom end of the grinding block 19.

Furthermore, a connecting plate 27 is fixedly sleeved on the outer side of the top end of the grinding groove 21, two sides of the connecting plate 27 are hinged with second hydraulic rods 23, and the tail ends of the second hydraulic rods 23 are fixedly connected with the top end of the grinding chamber; the spout has been seted up to the both sides of connecting plate 27, and sliding connection has pulley 26 in the spout, grinds room lateral wall fixedly connected with third hydraulic stem 8, and the end and the pulley 26 of third hydraulic stem 8 rotate to be connected.

Further, the collection tank 9 is provided corresponding to a side of the grinding groove 21 close to the third hydraulic rod 8.

The specific implementation mode is as follows: the large hard alloy is firstly fed into a crushing chamber from a feed hopper 13, the hard alloy passes through a crushing roller 12, the crushing roller 12 crushes the large hard alloy into smaller hard alloy blocks, and the crushed hard alloy passes through a discharge hopper 10 and reaches a grinding groove 21.

After the hard alloy blocks in the grinding groove 21 reach a certain amount, starting the third motor 16, driving the first gear 15 to rotate by the third motor 16, driving the second gear 24 to rotate by the first gear 15, further driving the threaded cap 34 to rotate, driving the grinding head to move downwards by the threaded cap 34, and stopping the rotation of the third motor 16 after the grinding blocks 19 in the grinding head reach a certain position; the first hydraulic rods 18 are started, the three first hydraulic rods 18 stretch out and draw back alternately, the grinding blocks 19 are driven to grind the hard alloy blocks, and the hard alloy blocks are ground into powder.

After the hard alloy is ground, the extension of the third hydraulic rod 8 is controlled, the third hydraulic rod 8 is rotatably connected with a pulley 26 arranged in the sliding groove, the second hydraulic rod 23 is hinged with the connecting plate 27, when the third hydraulic rod 8 is extended, the grinding groove 21 rotates around the hinged point of the second hydraulic rod 23 and the connecting plate 27, the pulley 26 moves towards the direction close to the second hydraulic rod 23, one side, far away from the second hydraulic rod 21, of the grinding groove 21 inclines downwards, and hard alloy powder in the grinding groove 21 is poured into the collecting box 9 below.

When the crushing roller 12 rotates, the second motor 30 and the exhaust fan 6 are started, the second motor 30 drives the cleaning roller 3 to rotate, the cleaning roller 3 cleans off the cemented carbide adhered to the crushing roller 12, the dust absorption head 11 on the dust cover 2 absorbs the cleaned cemented carbide, and the absorbed cemented carbide is collected into the collection cylinder 4; the impeller 32 drives the scraper 33 to rotate under the action of the air flow, and the filter screen 28 is continuously cleaned, so that the filter screen 28 is prevented from being blocked by the hard alloy, and the suction effect on the hard alloy is prevented from being influenced.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A cemented carbide abrasive tool, characterized by: the grinding machine comprises a case (1), wherein a partition plate is fixedly connected in the case (1), the case (1) is divided into a crushing chamber and a grinding chamber by the partition plate, and the grinding chamber is positioned below the crushing chamber; the top end of the crushing chamber is fixedly connected with a feed hopper (13) in a penetrating way; the two crushing rollers (12) are rotationally connected in the crushing chamber, the two crushing rollers (12) are symmetrically arranged, the outer wall of the crushing chamber is fixedly connected with a first motor (29), and the first motor (29) is in transmission connection with the crushing rollers (12); a cleaning mechanism is fixedly arranged on the inner wall of the crushing chamber, the cleaning mechanism corresponds to the crushing roller (12), a dust collection box (5) and an exhaust fan (6) are fixedly connected to the outer wall of the crushing chamber, and the cleaning mechanism, the dust collection box (5) and the exhaust fan (6) are sequentially communicated; a grinding mechanism and a collecting box (9) are fixedly arranged in the grinding chamber, and the collecting box (9) is positioned below the grinding mechanism; the grinding chamber top end runs through fixedly connected with goes out hopper (10), the feed end of going out hopper (10) is located the below of crushing roller (12), just the feed end with crushing roller (12) are corresponding, the discharge end of going out hopper (10) is located the top of grinding groove (21).

2. A cemented carbide abrasive tool as claimed in claim 1, wherein: the cleaning mechanism comprises a dust cover (2) fixedly connected with the crushing chamber, one side of the dust cover (2) close to the crushing roller (12) is fixedly provided with a plurality of dust collection heads (11), and the dust collection heads (11) are communicated with the dust collection box (5); be provided with cleaning roller (3) in dust cover (2), cleaning roller (3) with crushing chamber rotates to be connected, crushing chamber outer wall fixedly connected with second motor (30), the output shaft of second motor (30) with cleaning roller (3) transmission is connected.

3. A cemented carbide abrasive tool as claimed in claim 1, wherein: the dust collection box (5) is internally detachably connected with a dust collection cylinder (4), and the bottom end of the dust collection cylinder (4) is fixedly connected with a filter screen (28).

4. A cemented carbide abrasive tool as claimed in claim 3, wherein: filter screen (28) top is rotated and is connected with pivot (31), pivot (31) top fixedly connected with impeller (32), pivot (31) bottom lateral wall fixedly connected with scraper blade (33), scraper blade (33) with filter screen (28) sliding connection.

5. A cemented carbide abrasive tool as claimed in claim 1, wherein: the grinding mechanism comprises a threaded rod (25) fixedly connected to the top end of the grinding chamber, a threaded cap (34) is screwed at the bottom of the threaded rod (25), and a connecting block (17) is rotatably connected to the bottom end of the threaded cap (34); a third motor (16) is fixedly connected to the top end of the connecting block (17), a first gear (15) is fixedly sleeved on an output shaft of the third motor (16), a second gear (24) is fixedly sleeved on the outer side of the threaded cap (34), and the first gear (15) is meshed with the second gear (24); telescopic rods (14) are arranged on two sides of the threaded rod (25), and two ends of each telescopic rod (14) are fixedly connected with the connecting block (17) and the grinding chamber respectively; the bottom end of the connecting block (17) is hinged with a grinding block (19), a grinding groove (21) is arranged below the grinding block (19), and the grinding groove (21) is hinged with the grinding chamber.

6. A cemented carbide abrasive tool as claimed in claim 5, wherein: three first hydraulic rods (18) are arranged between the grinding block (19) and the connecting block (17), and the three first hydraulic rods (18) are distributed in a triangular shape; the two ends of the first hydraulic rod (18) are fixedly connected with ball heads (22), ball sockets corresponding to the ball heads (22) are formed in the bottom end of the connecting block (17) and the top end of the grinding block (19), and the first hydraulic rod (18) is hinged to the connecting block (17) and the grinding block (19) through the ball heads (22); the grinding groove (21) is located right below the grinding block (19).

7. A cemented carbide abrasive tool as claimed in claim 5, wherein: a connecting plate (27) is fixedly sleeved on the outer side of the top end of the grinding groove (21), second hydraulic rods (23) are hinged to two sides of the connecting plate (27), and the tail ends of the second hydraulic rods (23) are fixedly connected with the top end of the grinding chamber; the spout has been seted up to the both sides of connecting plate (27), sliding connection has pulley (26) in the spout, grinding chamber lateral wall fixedly connected with third hydraulic stem (8), the end of third hydraulic stem (8) with pulley (26) rotate to be connected.