CN213765118U

CN213765118U - Detachable filament cutter knife sharpening device

Info

Publication number: CN213765118U
Application number: CN202022867337.6U
Authority: CN
Inventors: 李强; 高亮; 杨娜; 伍锐; 王水明; 李江维; 章盛
Original assignee: China Tobacco Hubei Industrial LLC; Hubei Xinye Tobacco Sheet Development Co Ltd
Current assignee: China Tobacco Hubei Industrial LLC; Hubei Xinye Tobacco Sheet Development Co Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-23
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to a detachable filament cutter knife sharpening device is disclosed. Relates to the technical field of knife sharpening equipment of a shredder. This application specifically includes the grinding wheel assembly who is used for whetting a knife to the rotor for supply the grinding wheel assembly to make the guide rail lead screw of back and forth movement, connect in grinding wheel assembly, be used for the fine setting platform that finely tunes grinding wheel assembly position after grinding wheel assembly reachs target position on the guide rail lead screw. After the grinding wheel assembly reaches the specified position on the guide rail lead screw, the position of the grinding wheel assembly can be finely adjusted through the fine adjustment platform, so that accurate tool setting of the grinding wheel and the knife roll is realized, and after the tool setting is completed, the knife roll is sharpened through the reciprocating motion of the grinding wheel assembly on the guide rail lead screw until the knife roll is ground to the required precision.

Description

Detachable filament cutter knife sharpening device

Technical Field

The utility model relates to a filament cutter equipment technical field that whets a knife especially relates to a detachable filament cutter knife sharpening device.

Background

The tobacco cutter is an indispensable important device on a tobacco processing production line of a cigarette factory, the tobacco cutter is used for cutting tobacco leaves or tobacco stems into tobacco shreds with the width required by the process, a shredding blade is continuously abraded during the cutting operation of the tobacco cutter, the blade needs to be timely abraded by a grinding wheel, and the abrasion quality of the blade directly influences the shredding quality, so that people can utilize a sharpening mechanism of the tobacco cutter to abrade the blade, the cutter can be kept in a sharp state all the time, and the grinding quality of workpieces is effectively improved. However, in the prior art, the tool setting amount between the grinding wheel and the knife roller cannot be accurately controlled, the tool setting amount between the grinding wheel and the blade has great influence on the service life and the shredding quality of the blade, and if the tool setting amount is too large, the blade is excessively ground, so that the service life of the blade is greatly shortened; if the blade setting amount is too small, the blade is not sharp enough to be sharpened, and the shredding quality of the blade is reduced.

Chinese patent CN109380760A, published 2019-02-26 discloses a reciprocating device for sharpening of a filament cutter, which comprises: the device comprises a bottom plate, a driving system, a movable pulley transmission system, a knife grinding device and a guide rail; the two driving systems are respectively connected with the knife grinder through corresponding movable pulley transmission systems so as to respectively drive the knife grinder to move towards the same direction, and the knife grinder makes reciprocating motion on the guide rail. In addition, the invention also discloses a control method of the knife sharpening device of the filament cutter, wherein the first driving system and the second driving system alternately push the knife sharpening device to move leftwards or rightwards along the guide rail through the corresponding movable pulley transmission systems, so that the knife sharpening device generates reciprocating motion. The invention adopts a linear motion driving mode, utilizes the movable pulley mechanism, effectively uses short stroke driving, realizes large stroke motion action, more effectively and simply realizes the reciprocating motion of the knife sharpening system, can effectively save the structural space of equipment, simplifies the reciprocating motion design structure of the knife sharpening device, reduces the design cost, is simple and practical, and has larger social and economic benefits and application prospects. However, the invention can not realize accurate tool setting between the grinding wheel and the knife roller, so that the quality of blade grinding can not be controlled.

Disclosure of Invention

An object of the utility model is to the not enough of above-mentioned prior art, provide a detachable filament cutter knife sharpening device, realize the accurate tool setting between emery wheel and the rotor.

The utility model provides a detachable filament cutter knife sharpening device, include the emery wheel subassembly that is used for whetting a knife to the rotor for supply the emery wheel subassembly to make the guide rail lead screw of back and forth movement, connect in emery wheel subassembly, be used for the fine setting platform that finely tunes the emery wheel subassembly position after emery wheel subassembly reachs the guide rail lead screw target position.

Furthermore, the grinding wheel assembly comprises a grinding wheel, a grinding wheel motor and a grinding wheel shield, wherein the grinding wheel motor is connected with the grinding wheel through a connecting shaft and used for driving the grinding wheel to rotate, and the grinding wheel shield is arranged on the connecting shaft and matched with the grinding wheel in shape.

Further, the fine adjustment platform comprises a sliding block matched with the guide rail screw rod, a manual displacement platform used for adjusting the position of the grinding wheel motor and a fixed block used for fixing the manual displacement platform on the sliding block, and a motor support connected with the grinding wheel motor is arranged on the manual displacement platform.

Further, the guide rail lead screw includes the lead screw, is located the first fixed plate of lead screw one side, sets up on first fixed plate, is used for supplying lead screw one end at the first through-hole of its inboard rotation for drive lead screw pivoted lead screw motor, and be used for the second fixed plate of fixed lead screw motor, be equipped with the second through-hole that is used for supplying the motor shaft to run through on the second fixed plate, be equipped with on the slider with the first screw through-hole of lead screw complex.

Furthermore, the guide rail lead screw also comprises a third fixing plate positioned between the first fixing plate and the second fixing plate, and a third through hole for the lead screw to penetrate through is formed in the third fixing plate.

Further, the guide rail lead screw still includes the slide bar that sets up in lead screw one side, both ends are fixed in first fixed plate and third fixed plate respectively, be equipped with on the slider with slide bar complex fourth through-hole.

Furthermore, the slide bars are symmetrically arranged on two sides of the screw rod.

Furthermore, the guide rail lead screw further comprises a bottom plate, two ends of the bottom plate are fixedly connected to the first fixing plate and the second fixing plate respectively, and the bottom of the third fixing plate is fixedly connected to the top of the bottom plate.

Furthermore, a second threaded through hole for a bolt to pass through is formed in the bottom of the bottom plate and used for fixing the bottom plate on the shredder.

The utility model relates to a detachable filament cutter knife sharpening device has following gain effect:

(1) the knife sharpening device comprises a grinding wheel component used for sharpening the knife roller, a guide rail lead screw used for enabling the grinding wheel component to move back and forth, and a fine adjustment platform connected with the grinding wheel component and used for fine adjusting the position of the grinding wheel component after the grinding wheel component reaches a target position on the guide rail lead screw. After the grinding wheel assembly reaches the designated position on the guide rail lead screw, the position of the grinding wheel assembly can be finely adjusted through the fine adjustment platform, so that the grinding wheel and the knife roller can be accurately adjusted in tool, and after the tool is adjusted in tool, the knife roller is adjusted in tool through the reciprocating motion of the grinding wheel assembly on the guide rail lead screw until the knife roller is ground to the required precision;

(2) the grinding wheel protective cover is arranged on the outer side of the grinding wheel, so that on one hand, chips in the grinding process are prevented from being thrown out of a workbench, and the chips which are just cut off are thrown onto a human body due to high temperature, and are easy to scald the human body, on the other hand, in the grinding process, the grinding wheel rotates at high speed, if the chips touch the grinding wheel carelessly, huge damage can be caused to the human body, and the grinding wheel protective cover can prevent the human body from being in direct contact with the grinding wheel when the grinding wheel works;

(3) the manual displacement platform of the knife grinder consists of an upper plate and a lower plate, an upper plate can move during adjustment, a grinding wheel motor is fixed on the upper plate of the manual displacement platform through a motor support, when the upper plate moves, the grinding wheel motor can move along with the upper plate, and a grinding wheel is connected with the grinding wheel motor, so that the grinding wheel can also move along with the upper plate, and accurate tool setting of the grinding wheel and a blade is realized;

(4) this knife sharpening device passes through the screw thread through-hole and the lead screw cooperation of fine setting platform top shoe, and when the lead screw motor drove the lead screw and rotates, the slider can carry out linear motion on the lead screw, when the lead screw motor turned to and changes, the slider can carry out linear motion towards opposite direction to realize the back and forth movement. Because the sliding block is fixedly connected with the fine adjustment platform, the fine adjustment platform is fixedly connected with the grinding wheel motor, and the grinding wheel motor is fixedly connected with the grinding wheel, when the sliding block makes linear reciprocating motion on the screw rod, the grinding wheel synchronously makes linear reciprocating motion, so that the grinding of the blade by the grinding wheel can be ensured to be more uniform.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements.

FIG. 1 is a schematic structural view of a detachable knife grinder of a shredder according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a grinding wheel assembly of the detachable sharpening device of the shredder according to the embodiment of the present invention;

FIG. 3 is a schematic structural view of a fine adjustment platform of a detachable knife grinder of a shredder according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a guide rail screw of the detachable shredder knife grinder according to the embodiment of the present invention.

In the figure: 1. a grinding wheel assembly; 11. a grinding wheel; 12. a grinding wheel motor; 13. a grinding wheel shield; 2. a guide rail screw rod; 21. a screw rod; 22. a first fixing plate; 23. A screw motor; 24. A second fixing plate; 25. a third fixing plate; 26. a slide bar; 27. a base plate; 3. fine tuning the platform; 31. a slider; 32. a manual displacement platform; 33. a fixed block; 34. a motor bracket.

Detailed Description

For making the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following drawings in the embodiments of the present invention will be combined, and the technical solution in the embodiments of the present invention is clearly and completely described, based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work are included in the protection scope of the present invention.

The utility model discloses detachable filament cutter knife sharpening device, include the grinding wheel assembly 1 that is used for whetting a knife to the rotor for supply grinding wheel assembly 1 to make the guide rail lead screw 2 of back and forth movement, connect in grinding wheel assembly 1, be used for on grinding wheel assembly 1 reachs guide rail lead screw 2 the fine setting platform 3 that carries out the fine setting to grinding wheel assembly 1 position behind the target location, see figure 1 in concrete effect. After the grinding wheel assembly 1 reaches the designated position on the guide rail lead screw 2, the position of the grinding wheel assembly 1 can be finely adjusted through the fine adjustment platform 3, so that accurate tool setting of a grinding wheel and a knife roller is realized, and after the tool setting is completed, the knife roller is sharpened through the reciprocating motion of the grinding wheel assembly 1 on the guide rail lead screw 2 until the knife roller is ground to the required precision.

In the present embodiment, the grinding wheel assembly 1 includes a grinding wheel 11, a grinding wheel motor 12 connected to the grinding wheel 11 through a connecting shaft for driving the grinding wheel 11 to rotate, and a grinding wheel shield 13 mounted on the connecting shaft and matching with the shape of the grinding wheel 11, as shown in fig. 2. Because the grinding wheel 11 needs to rotate constantly in the process of sharpening the knife roller by the grinding wheel 11, the grinding wheel motor 12 connected with the grinding wheel 11 through the connecting shaft is arranged for driving the grinding wheel 11 to rotate constantly, and after sharpening is finished, the grinding wheel 11 can stop rotating as long as the grinding wheel motor 12 is turned off, so that sharpening is stopped. So set up grinding wheel guard 13 in the emery wheel 11 outside, prevent that the smear metal of whetting a knife in-process from throwing away the workstation on the one hand, because the smear metal temperature of cutting off just is very high, get rid of the person and scald the people easily, on the other hand is at the in-process of whetting a knife, emery wheel 11 is high-speed rotatory, if touch emery wheel 11 carelessly and can cause huge injury to the people, set up grinding wheel guard 13 and just can prevent that the people from producing direct contact with emery wheel 11 when emery wheel 11 during operation.

The fine adjustment platform 3 comprises a sliding block 31 matched with the guide rail screw rod 2, a manual displacement platform 32 used for adjusting the position of the grinding wheel motor 12, a fixed block 33 used for fixing the manual displacement platform 32 on the sliding block 31, and a motor support 34 connected to the grinding wheel motor 12 and arranged on the manual displacement platform 32, and the specific effect is shown in fig. 3. In this embodiment, the manual displacement platform 32 can adopt an LX80-L cross rail type X-axis manually adjustable displacement table produced by shenzhen new bridge automation equipment ltd, the displacement accuracy of the manually adjustable displacement table can reach 0.01mm, the manual displacement platform 32 is composed of an upper plate and a lower plate, the upper plate can move during adjustment, the grinding wheel motor 12 is fixed on the upper plate of the manual displacement platform 32 through the motor support 34, when the upper plate moves, the grinding wheel motor 12 can move along with the upper plate, and the grinding wheel 11 is connected with the grinding wheel motor 12, so that the grinding wheel 11 can also move along with the upper plate, thereby realizing accurate tool setting of the grinding wheel 11 and the cutter roller.

In this embodiment, the guide rail screw 2 includes a screw 21, a first fixing plate 22 located on one side of the screw 21, a first through hole disposed on the first fixing plate 22 for allowing one end of the screw 21 to rotate inside thereof, a screw motor 23 for driving the screw 21 to rotate, and a second fixing plate 24 for fixing the screw motor 23, wherein a second through hole for allowing a motor shaft to pass through is disposed on the second fixing plate 24, and a first threaded through hole matched with the screw 21 is disposed on the slider 31, as shown in fig. 1. Through the cooperation of the first threaded through hole of the sliding block 31 on the fine adjustment platform 3 and the screw rod 21, when the screw rod motor 23 drives the screw rod 21 to rotate, the sliding block 31 can perform linear motion on the screw rod 21, and when the rotation direction of the screw rod motor 23 changes, the sliding block 31 can perform linear motion towards the opposite direction, so that the reciprocating motion is realized. Because the sliding block 31 is fixedly connected with the manual displacement platform 32, the manual displacement platform 32 is fixedly connected with the grinding wheel motor 12, and the grinding wheel motor 12 is fixedly connected with the grinding wheel 11, when the sliding block 31 makes a reciprocating linear motion on the screw rod 21, the grinding wheel 11 synchronously makes the reciprocating linear motion, so that the blade can be more uniformly ground by the grinding wheel 11.

The guide rail screw 2 further includes a third fixing plate 25 located between the first fixing plate 22 and the second fixing plate 24, and a third through hole for the screw 21 to pass through is formed in the third fixing plate 25, as shown in fig. 4. In this embodiment, the first through hole, the second through hole and the third through hole are all provided with bearings, because the first through hole and the third through hole are used for the screw rod 21 to rotate inside, the second through hole is used for the motor shaft to rotate inside, and the bearings are arranged in the first through hole and the second through hole, the first fixing plate 22 and the second fixing plate 24 can support the screw rod 21 and the motor shaft. The third fixing plate 25 is provided to further increase the support of the lead screw 21, so as to prevent the lead screw 21 from bending or breaking when bearing a large acting force, which affects the use of the knife grinder, and to limit the slide block 31, so that the slide block 31 moves back and forth between the first fixing plate 22 and the third fixing plate 25, because the lead screw motor 23 is connected with the lead screw 21 through the coupling, and the third fixing plate 25 is located between the first fixing plate 22 and the second fixing plate 24 and close to the second fixing plate 24, so that a distance for installing the coupling is left between the third fixing plate 25 and the second fixing plate 24, and through the limitation of the third fixing plate 25 to the slide block 31, the slide block 31 does not move to the coupling, because the slide block 31 moves back and forth under the action of the forward and reverse rotation of the lead screw motor 23, but there is inertia during the movement, if the slide block 31 is too close to the coupling, even if the rotation direction of the screw motor 23 is changed, the slide block 31 may collide with the coupling under the action of inertia, thereby causing damage to the coupling.

In this embodiment, the guide rail screw 2 further includes a sliding rod 26 disposed at one side of the screw 21, and two ends of the sliding rod are respectively fixed to the first fixing plate 22 and the third fixing plate 25, and a fourth through hole matched with the sliding rod 26 is disposed on the sliding block 31, with the specific effect as shown in fig. 1. The slide rod 26 is arranged on one side of the screw rod 21, and the through hole matched with the slide rod 26 is formed in the slide block 31, so that the stability of the slide block 31 is enhanced, the stability of the grinding wheel 11 is enhanced, the grinding wheel 11 needs to be kept stable in the process of grinding the blade by the grinding wheel 11, the blade can be ground more uniformly to achieve the required precision, only the slide rod 21 is fixed, the reaction force of the blade in the grinding process is transmitted to the slide block 31 through the grinding wheel 11, the slide block 31 can be inclined towards two sides, the grinding wheel 11 is driven to incline, and the blade cannot be ground by the grinding wheel 11.

In the embodiment, two sliding rods 26 are symmetrically arranged on two sides of the screw rod 21, and the specific effect is shown in fig. 4. This is to further enhance the stability of the grinding wheel 11, because the reaction force of the blade is transmitted to the slide block 31 through the grinding wheel 11 during the grinding process, which may incline the slide block 31 to both sides, and the slide rods 26 symmetrically arranged on both sides of the screw rod 21 may make the slide block 31 more difficult to incline to both sides, so that the device has stronger stability and the grinding effect of the blade is better.

In this embodiment, the guide rail screw 2 further includes a bottom plate 27 fixedly connected to the first fixing plate 22 and the second fixing plate 24 at two ends, respectively, and the bottom of the third fixing plate 25 is fixedly connected to the top of the bottom plate 27, as shown in fig. 4. The reason why set up bottom plate 27 is because at the in-process of whetting a knife, grinding wheel assembly 1, the gravity of fine setting platform 3 all is used in the lead screw 21, when slider 31 is round trip movement on lead screw 21, though through the cooperation of screw thread and lead screw 21, slider 31 still can produce the effort to lead screw 21 horizontal direction, when grinding wheel assembly 1 and fine setting platform 3's gravity is great, the effort of horizontal direction is big more, only through the fixed plate of three vertical setting, can't maintain the stability of system for a long time, after sharpening device used a period, the fixed plate will produce the slope, be unfavorable for sharpening device's use, and consolidate through thick bottom plate 27 between first fixed plate 22 and the second fixed plate 24, will strengthen system's stability greatly.

In this embodiment, the bottom of the bottom plate 27 is provided with a second threaded through hole for passing a bolt therethrough to secure it to the shredder, as best seen in FIG. 4. The knife sharpening device is not used independently, but used together with a shredder, can be arranged on the shredder to sharpen a knife roller of the shredder, and is assembled through a bolt, so that when the shredder does not need to sharpen the knife or sharpen the knife, the knife sharpening device is also convenient to detach.

The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a detachable filament cutter knife sharpening device which characterized in that: the grinding wheel assembly comprises a grinding wheel assembly (1) for grinding a knife roll, a guide rail screw rod (2) for enabling the grinding wheel assembly (1) to move back and forth, and a fine adjustment platform (3) which is connected with the grinding wheel assembly (1) and used for finely adjusting the position of the grinding wheel assembly (1) after the grinding wheel assembly (1) reaches a target position on the guide rail screw rod (2).

2. A detachable sharpener assembly according to claim 1 wherein: the grinding wheel assembly (1) comprises a grinding wheel (11), a grinding wheel motor (12) which is connected with the grinding wheel (11) through a connecting shaft and used for driving the grinding wheel (11) to rotate, and a grinding wheel shield (13) which is arranged on the connecting shaft and matched with the grinding wheel (11) in shape.

3. A detachable sharpener assembly according to claim 2 wherein: the fine adjustment platform (3) comprises a sliding block (31) matched with the guide rail screw rod (2), a manual displacement platform (32) used for adjusting the position of the grinding wheel motor (12), and a fixed block (33) used for fixing the manual displacement platform (32) on the sliding block (31), wherein a motor support (34) connected with the grinding wheel motor (12) is arranged on the manual displacement platform (32).

4. A detachable sharpener assembly according to claim 3 wherein: guide rail lead screw (2) include lead screw (21), are located first fixed plate (22) of lead screw (21) one side, set up on first fixed plate (22), are used for supplying lead screw (21) one end at its inboard pivoted first through-hole for drive lead screw (21) pivoted lead screw motor (23), and be used for second fixed plate (24) of fixed lead screw motor (23), be equipped with the second through-hole that is used for supplying the motor shaft to run through on second fixed plate (24), be equipped with on slider (31) with the first screw through-hole of lead screw (21) complex.

5. A detachable sharpener assembly according to claim 4 wherein: the guide rail screw rod (2) further comprises a third fixing plate (25) located between the first fixing plate (22) and the second fixing plate (24), and a third through hole for the screw rod (21) to penetrate through is formed in the third fixing plate (25).

6. A detachable sharpener assembly according to claim 5 wherein: the guide rail screw rod (2) further comprises a sliding rod (26) which is arranged on one side of the screw rod (21) and two ends of the sliding rod are respectively fixed on the first fixing plate (22) and the third fixing plate (25), and a fourth through hole matched with the sliding rod (26) is formed in the sliding block (31).

7. A detachable sharpener assembly according to claim 6 wherein: the two sliding rods (26) are symmetrically arranged on two sides of the screw rod (21).

8. A detachable sharpener assembly according to claim 5 wherein: the guide rail screw rod (2) further comprises a bottom plate (27) with two ends respectively fixedly connected to the first fixing plate (22) and the second fixing plate (24), and the bottom of the third fixing plate (25) is fixedly connected to the top of the bottom plate (27).

9. A removable sharpener as claimed in claim 8 wherein: and a second threaded through hole for a bolt to pass through is formed in the bottom of the bottom plate (27) and used for fixing the bolt on the shredder.