CN219212514U

CN219212514U - Online knife sharpening equipment for disc slitting knife

Info

Publication number: CN219212514U
Application number: CN202320779334.8U
Authority: CN
Inventors: 黄振坤
Original assignee: Zhengzhou Zlink Machinery And Equipment Co ltd
Current assignee: Zhengzhou Zlink Machinery And Equipment Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-06-20
Anticipated expiration: 2033-04-07

Abstract

The utility model relates to a field of disc cutter sharpening equipment especially relates to an online sharpening equipment of disc cutter, and it includes at least a set of mechanism of whetting a knife, and mechanism of whetting a knife sets up in the frame of disc cutter, and mechanism of whetting a knife includes emery wheel and control assembly, and control assembly is used for driving the emery wheel and removes to make the emery wheel be close to or keep away from the cutting edge of disc cutter. According to the cutter sharpening device, the cutter sharpening mechanism is arranged on the splitting machine, the grinding wheel of the cutter sharpening mechanism is controlled to be in contact with the disc cutter through the control assembly, so that the function of online sharpening is realized, and the cutter sharpening is more convenient.

Description

Online knife sharpening equipment for disc slitting knife

Technical Field

The utility model relates to the field of disc cutter sharpening equipment, in particular to on-line sharpening equipment for a disc slitting cutter.

Background

The disc slitting knife is usually arranged on a slitting machine and is used for slitting and trimming strip-shaped products, such as non-woven fabrics, paper, mica tapes, films and the like; in the long-term use process, the edge can appear wearing and tearing, phenomenon such as obtuse angle, in order to guarantee cutting quality, need polish the disc blade of wearing and tearing.

At present, when polishing the disc slitting knife, the disc slitting knife needs to be detached from the frame and then is arranged on a polishing machine for polishing, and when the polished disc slitting knife is arranged, the position of the disc slitting knife also needs to be readjusted, so that the operation is more troublesome.

Disclosure of Invention

The purpose of this application is to provide a disc divides online knife sharpening equipment of cutter, will sharpen the mechanism and install on the cutting machine to through the emery wheel and the disc sword contact of control assembly control mechanism of whetting a knife, with the function of realizing online knife sharpening, it is more convenient to sharpen.

The application provides an online knife sharpening equipment of disc divides cutter adopts following technical scheme:

the utility model provides a disc divides online knife sharpening equipment of cutter, includes at least a set of mechanism of whetting a knife, mechanism of whetting a knife sets up in the frame of disc sword, mechanism of whetting a knife includes emery wheel and control assembly, control assembly is used for order about the emery wheel removes, in order to laminate in the cutting edge of disc sword.

Through adopting above-mentioned technical scheme, during the normal work of disc cutter, control mechanism can adjust the emery wheel to the position of keeping away from the emery wheel to prevent emery wheel and disc cutter collision, when needs polish the disc cutter, can adjust the emery wheel to laminating in the suitable position of disc cutter cutting edge, then start the disc cutter rotation, thereby need not to pull down the disc cutter, can realize online sharpening function, the operation is more convenient.

Optionally, the control assembly includes slide rail, balladeur train and control, the balladeur train slidable mounting in on the slide rail, the slide rail install in the frame, the emery wheel install in on the balladeur train, the control is used for the balladeur train provides gliding power, so that the emery wheel is close to or keeps away from the cutting edge of disc cutter.

Through adopting above-mentioned technical scheme, start the control piece, steerable emery wheel slides to realize that the emery wheel is close to or keep away from the action of disc cutter cutting edge, and the emery wheel passes through slide frame slidable mounting on the slide rail, and the slip is more stable.

Optionally, the axis of the disc cutter is the main axis; a first adjusting component is arranged between the sliding frame and the grinding wheel and is used for driving the grinding wheel to rotate around a first rotating axis, and the first rotating axis and the main axis are arranged at an angle.

Through adopting above-mentioned technical scheme, can realize the angular adjustment between emery wheel and the disc cutter cutting edge through first adjusting part to reach comparatively suitable angle of whetting a knife.

Optionally, the first adjusting component includes a first support plate and a rotating plate, the first support plate is mounted on the carriage, the rotating plate is rotatably mounted on the first support plate around a first rotation axis, and the grinding wheel is mounted on the rotating plate.

By adopting the technical scheme, the rotating plate rotates around the first rotating axis and is fixed, so that the angle of the grinding wheel can be adjusted.

Optionally, a second adjusting component is arranged between the rotating plate and the grinding wheel, and the second adjusting component is used for driving the grinding wheel to move along a direction close to or far away from the cutting edge of the disc cutter.

Through adopting above-mentioned technical scheme, when the emery wheel wearing and tearing are great in long-term use, the accessible second adjusting part removes the emery wheel to the direction that is close to the disc cutter cutting edge to guarantee to keep suitable interval at the sharpening process, emery wheel and the cutting edge of disc cutter.

Optionally, the second adjusting component includes second backup pad and adjusting column, the second backup pad install in on the rotor plate, the emery wheel install in on the adjusting column, adjusting column can be relative the second backup pad removes, so that the emery wheel is close to or keeps away from the cutting edge of disc cutter.

Through adopting above-mentioned technical scheme, remove the relative second backup pad of adjusting column, can drive the emery wheel and remove to can realize the adjustment of angle and distance between emery wheel and the disc cutter cutting edge simultaneously.

Optionally, the adjusting post threads are arranged on the second supporting plate in a penetrating way.

By adopting the technical scheme, when the distance between the grinding wheel and the cutting edge of the disc cutter needs to be adjusted, the adjusting column is screwed in, and the operation is simple.

Optionally, the knife sharpening mechanism is arranged on two sides of the disc knife along the axis of the disc knife, and two groups of grinding wheels of the knife sharpening mechanism can be respectively attached to two sides of the cutting edge of the disc knife.

By adopting the technical scheme, two groups of knife sharpening mechanisms can polish the two sides of the cutting edge of the circular knife simultaneously, and the polishing effect is better.

Optionally, the disc cutter is mounted on the frame through a cutter rest, and the cutter rest can drive the disc cutter to move along the conveying direction of the product; the knife rest is provided with a connecting frame, and the knife sharpening mechanism is connected with the connecting frame.

By adopting the technical scheme, the sharpening mechanism can synchronously move along with the disc cutter so as to keep the relative positions of the grinding wheel and the disc cutter unchanged, so that the disc cutter can be polished when being positioned at different positions, the position of the sharpening mechanism is not required to be adjusted, and the sharpening mechanism is more convenient; and the space occupied by the installation of the sharpening mechanism can be reduced (if the grinding wheel does not move synchronously with the disc cutter, the distance between the grinding wheel and the disc cutter needs to be increased in order to prevent the grinding wheel from colliding with the disc cutter).

Optionally, a guide rail is arranged on the frame, a guide block is slidably mounted on the guide rail along the conveying direction of the product, and the knife sharpening mechanism is mounted on the guide block.

Through adopting above-mentioned technical scheme, the guide block can provide the support for sharpening mechanism's slip is more stable.

Drawings

Fig. 1 is a schematic view of an on-line sharpening apparatus according to an embodiment of the present application mounted on a slitting machine.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic diagram of the overall structure of the disc cutter online sharpening device according to the embodiment of the application.

Fig. 4 is a schematic overall structure diagram of another angle of the disc cutter online sharpening device according to the embodiment of the application.

Fig. 5 is a schematic structural view showing the relative positional relationship of two grinding wheels in the embodiment of the present application.

Reference numerals illustrate:

11. a frame; 12. a disc cutter; 121. a blade; 13. a drive rack; 14. a link mechanism; 141. a main rod; 142. a first lever; 143. a second lever; 144. a third lever; 145. a fourth lever; 15. a turntable; 16. a tool holder; 2. grinding wheel; 3. a control assembly; 31. a slide rail; 311. fixing the optical axis; 312. a mounting base; 32. a carriage; 33. a control member; 4. a first adjustment assembly; 41. a first support plate; 411. a limit groove; 42. a rotating plate; 43. a locking bolt; 5. a second adjustment assembly; 51. a second support plate; 52. an adjusting column; 6. a connecting frame; 71. a guide rail; 72. a guide block; 8. a mounting plate; 81. and (5) connecting a plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

Referring to fig. 1 and 2, the on-line knife sharpening apparatus in this embodiment is mounted on a splitting machine disclosed in two chinese patents publication No. CN214981310U, CN114654514a, specifically as follows (the following description renames the components in the splitting machine): the slitting machine comprises a frame 11, two circular knives 12, a driving frame 13 and a link mechanism 14, wherein the frame 11 provides support for the slitting machine, and the driving frame 13 is arranged on the frame 11; the two disc cutters 12 are arranged on the driving frame 13 through the connecting rod mechanism 14, the axis of the disc cutter 12 is a main axis, the minor axis is parallel to and coplanar with the two main axes, the two disc cutters 12 are mutually symmetrical about the minor axis, and the driving frame 13 can drive the two disc cutters 12 to revolve around the minor axis; a rotary table 15 is arranged on one side of the disc cutter 12, products are conveyed through the rotary table 15, and the conveying direction of the products is parallel to the main axis; the turntable 15 is provided with a plurality of cutting grooves, which can provide cutting space for the disc cutter 12, thereby realizing product cutting.

The link mechanism 14 comprises a main rod 141, a first rod 142, a second rod 143, a third rod 144 and a fourth rod 145, wherein the main rod 141 is arranged along a secondary axis and fixedly mounted on the driving frame 13, and the length directions of the first rod 142 and the second rod 143 are parallel to the main axis; the third rod 144 and the fourth rod 145 each extend from the first rod 142 to the second rod 143, both ends of the third rod 144 are respectively hinged to the first rod 142 and the second rod 143, and the middle position is hinged to the main rod 141; both ends of the fourth lever 145 are respectively hinged to the first lever 142 and the second lever 143, and the middle position is hinged to the main lever 141, thereby forming a four-bar mechanism; two circular cutters 12 are mounted on the first and

second bars

142 and 143, respectively.

Referring to fig. 1 and 2, the cutter disc 12 drives the two cutter discs 12 to reciprocate relative to the main rod 141 through the link mechanism 14 while cutting, that is, the cutter disc 12 has a partial displacement along the conveying direction of the product, and the swinging speed of the cutter disc 12 is matched with the conveying speed of the product, so that the cutting line of the cutter disc 12 on the product is ensured to be perpendicular to the conveying direction of the product.

In this embodiment, each disc cutter 12 is correspondingly provided with a set of online sharpening equipment, so that the sharpening of two disc cutters 12 can be realized simultaneously, the online sharpening equipment mainly grinds the cutting edge 121 of the disc cutter 12, and the cutting edge 121 surrounds the main axis of the disc cutter 12 for a circle; those skilled in the art will be able to adapt the size, mounting structure, etc. of the on-line sharpening apparatus according to the mounting position thereof, and will be described by taking only one of the disc knives 12 as an example.

The embodiment of the application discloses online sharpening equipment of disc cutter, refer to fig. 2-4, online sharpening equipment of disc cutter includes two sets of sharpening mechanisms, and two sets of sharpening mechanisms are installed respectively in disc cutter 12 both sides, can polish the both sides of cutting edge 121 simultaneously.

The sharpening mechanism comprises a grinding wheel 2, a control assembly 3, a first adjusting assembly 4 and a second adjusting assembly 5, and the grinding wheel 2, the control assembly 3, the first adjusting assembly 4 and the second adjusting assembly 5 are all arranged on a frame 11; the control assembly 3 is used for controlling the grinding wheel 2 to move so as to enable the grinding wheel 2 to be close to or far away from the cutting edge 121 of the disc cutter 12; the first adjusting component 4 is used for adjusting the relative angle between the grinding wheel 2 and the cutting edge 121, and the second adjusting component 5 is used for adjusting the distance between the grinding wheel 2 and the cutting edge 121, so that the grinding wheel 2 is in a proper grinding position. When the cutter disc 12 normally cuts, the control component 3 can control the grinding wheel 2 to be far away from the cutter disc 12, and when the cutter disc 12 needs to be polished, the control component 3 can control the grinding wheel 2 to be close to the cutting edge 121 of the cutter disc 12, so that an online sharpening function can be realized.

In this embodiment, the grinding wheel 2 is a bowl-shaped grinding wheel 2, and two bowl-shaped grinding wheels 2 are symmetrically arranged on two sides of the cutting edge 121, so that two sides of the cutting edge 121 can be polished at the same time.

Referring to fig. 2 to 4, since the cutter disc 12 has a reciprocating displacement in the product conveying direction at the time of slitting, in order to avoid collision of the cutter disc 12 with the grinding wheel 2, the sharpening mechanism is provided so as to be movable synchronously with the cutter disc 12. For convenience of description, the first rod 142 and the second rod 143 are both referred to as a knife rest 16, the knife rest 16 is fixed with the connecting frame 6 through bolts, the knife sharpening mechanism is connected with the connecting frame 6, and the knife rest 16 can drive the knife sharpening mechanism to reciprocate, so that the relative position of the knife sharpening mechanism and the disc knife 12 along the product conveying direction is unchanged, the collision probability of the disc knife 12 and the grinding wheel 2 is small, and meanwhile, the grinding wheel 2 can polish the disc knife 12 in a plurality of positions.

Referring to fig. 2 and 4, the guide rail 71 is mounted on the main rod 141 by bolts, the guide rail 71 in this embodiment may be configured as a dual-optical axis guide rail, the guide rail 71 is slidably mounted with the guide block 72, the sliding direction of the guide block 72 relative to the guide rail 71 is parallel to the main axis, and the sharpening mechanism is connected with the guide block 72, so that the sharpening mechanism is slidably mounted on the main rod 141, and the sharpening mechanism is more stable when moving along with the tool rest 16.

Referring to fig. 3 and 4, the control assembly 3 includes a slide rail 31, a carriage 32, and a control member 33, the slide rail 31 may be configured as a dual-optical axis guide rail, the carriage 32 is slidably mounted on the slide rail 31, and a sliding direction of the carriage 32 relative to the slide rail 31 is parallel to the main axis; for easy installation, the sliding rails 31 of the two sets of control assemblies 3 in this embodiment are common, i.e. the two carriages 32 are slidably mounted on the same sliding rail 31; two carriages 32 are arranged at intervals along the main axis and are respectively positioned at two sides of the disc cutter 12, the grinding wheels 2 are arranged on the carriages 32, and the two grinding wheels 2 can be controlled to be close to or far away from the cutting edge 121 of the disc cutter 12 through the carriages 32. In order to prevent the two grinding wheels 2 from colliding with each other when approaching to or separating from the disc cutter 12, the two grinding wheels 2 are arranged in a staggered manner up and down, and the height of the carriage 32 is adjusted adaptively accordingly.

The slide rail 31 comprises two fixed optical axes 311 and two mounting seats 312, the two mounting seats 312 are respectively fixedly sleeved at two ends of the optical axis of the fixed optical axis 311, a mounting plate 8 is fixedly connected between the two mounting seats 312, and the mounting plate 8 is fixed on the guide block 72 through a connecting plate 81; one end of the connecting frame 6, which is close to the mounting plate 8, is rotatably connected to the mounting plate 8, the rotation axes of the connecting frame and the mounting plate are mutually perpendicular to the main axis, and the two groups of knife sharpening mechanisms can reciprocate along with the knife rest 16. The mounting seat 312, the mounting plate 8, the connecting plate 81 and the guide block 72 are fixed to each other by bolting.

Specifically, since the disc cutter 12 is reciprocated and also has a partial displacement in the vertical direction, the sharpening mechanism is slidable only along the main axis relative to the main lever 141, and the risk of occurrence of the seizing phenomenon can be reduced by rotationally connecting the connecting frame 6 with the mounting plate 8.

Referring to fig. 3 and 5, in this embodiment, the control member 33 may be configured as a cylinder, the cylinder body of the cylinder may be mounted on the mounting plate 8 or the mounting seat 312, the telescopic rod of the cylinder is fixedly connected with the carriage 32 through a bolt, and the cylinder can provide power for sliding of the carriage 32, so as to control the relative positions of the two grinding wheels 2 and the disc cutter 12.

Referring to fig. 4 and 5, the first and second conditioning assemblies 4 and 5 are installed between the grinding wheel 2 and the carriage 32, the first conditioning assembly 4 includes a first support plate 41 and a rotation plate 42, and the first support plate 41 is fixedly installed on the carriage 32 by bolts; the rotating plate 42 is in a strip shape, a first end of the rotating plate 42 is rotatably mounted on the first supporting plate 41 through a hinge shaft, the rotating axis of the rotating plate 42 relative to the first supporting plate 41 is a first rotating axis, and the first rotating axis is mutually perpendicular to the main axis; one end of the rotating plate 42, which is far away from the first rotating axis, is provided with a locking hole, and the locking hole is a threaded hole; the first supporting plate 41 is provided with a limiting slot 411 in a penetrating way, and the limiting slot 411 is arc-shaped and is coaxial with the first rotation axis; the limiting slot 411 and the locking hole are internally provided with the locking bolt 43, the locking bolt 43 is penetrated in the limiting slot 411 from bottom to top and is screwed into the locking hole, and the rotating plate 42 can be fixed on the first supporting plate 41.

Referring to fig. 4 and 5, the second adjusting assembly 5 includes a second supporting plate 51 and an adjusting post 52, the second supporting plate 51 is fixed on the rotating plate 42 by welding or bolting, the adjusting post 52 is provided with external threads, the second supporting plate 51 is provided with threaded holes in a penetrating manner, and the adjusting post 52 is threaded in the threaded holes of the second supporting plate 51; the grinding wheel 2 is coaxially fixed on the adjusting column 52 in a bolt connection mode, and the position of the grinding wheel 2 can be adjusted by rotating the adjusting column 52. In order to make the sharpening angle formed between the grinding wheel 2 and the disc cutter 12 more suitable, the adjusting post 52 is mounted obliquely on the second support plate 51, the axis of the grinding wheel 2 being directed toward the cutter face of the disc cutter 12 and not parallel to the main axis.

For easy installation, the second support plate 51 is divided into a first plate and a second plate, each of which is provided with a semicircular groove, and the first plate and the second plate are fixed to each other by bolts, so that screw holes for penetrating the adjusting column 52 can be formed.

In other applications, the sharpening device may be directly fixed to the frame 11 of the cutter disc 12 if the cutter disc 12 is not displaced in the direction of transport of the product.

The implementation principle of the online sharpening equipment for the disc slitting knife provided by the embodiment of the application is as follows: when the cutter disc 12 normally cuts, the two control pieces 33 control the two grinding wheels 2 to be far away from each other, at this time, the cutter rest 16 of the cutter disc 12 drives the cutter disc 12 to reciprocate along the conveying direction of the product, and the two groups of cutter sharpening mechanisms reciprocate along with the cutter disc, so that the probability of collision between the cutter disc 12 and the cutter sharpening mechanisms in the moving process can be reduced.

When the disc cutter 12 needs to be polished, the two grinding wheels 2 can be controlled to be close to each other and attached to the two sides of the cutting edge 121 through the two control pieces 33, and the disc cutter 12 can polish by rotating, so that an online sharpening function is realized.

When the grinding wheel 2 is worn in the long-time use process, the grinding wheel 2 can be moved to the direction close to the disc cutter 12 by screwing the adjusting column 52 so as to adjust the distance between the grinding wheel 2 and the cutting edge 121 of the disc cutter 12, and the sharpening effect is better. In addition, the relative angle between the grinding wheel 2 and the disc cutter 12 can be adjusted by rotating the rotating plate 42, so that the sharpening effect is further improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a disc divides cutter on-line sharpening equipment which characterized in that: the knife sharpening device comprises at least one group of knife sharpening mechanism, wherein the knife sharpening mechanism is arranged on a frame (11) of a disc knife (12), the knife sharpening mechanism comprises a grinding wheel (2) and a control assembly (3), and the control assembly (3) is used for driving the grinding wheel (2) to move so that the grinding wheel (2) is close to or far away from a cutting edge (121) of the disc knife (12).

2. The disc cutter on-line sharpening device of claim 1, wherein: the control assembly (3) comprises a sliding rail (31), a sliding frame (32) and a control piece (33), wherein the sliding frame (32) is slidably mounted on the sliding rail (31), the sliding rail (31) is mounted on the frame (11), the grinding wheel (2) is mounted on the sliding frame (32), and the control piece (33) is used for providing sliding power for the sliding frame (32) so that the grinding wheel (2) is close to or far away from a cutting edge (121) of the circular cutter (12).

3. The disc cutter on-line sharpening device of claim 2, wherein: the axis of the disc cutter (12) is the main axis; a first adjusting component (4) is arranged between the carriage (32) and the grinding wheel (2), and the first adjusting component (4) is used for driving the grinding wheel (2) to rotate around a first rotation axis, and the first rotation axis and the main axis are arranged at an angle.

4. The disc cutter on-line sharpening device of claim 3, wherein: the first adjusting assembly (4) comprises a first supporting plate (41) and a rotating plate (42), the first supporting plate (41) is installed on the sliding frame (32), the rotating plate (42) is rotatably installed on the first supporting plate (41) around a first rotating axis, and the grinding wheel (2) is installed on the rotating plate (42).

5. The disc cutter on-line sharpening device of claim 4, wherein: a second adjusting component (5) is arranged between the rotating plate (42) and the grinding wheel (2), and the second adjusting component (5) is used for driving the grinding wheel (2) to move along the direction close to or far away from the cutting edge (121) of the disc cutter (12).

6. The disc cutter on-line sharpening device of claim 5, wherein: the second adjusting assembly (5) comprises a second supporting plate (51) and an adjusting column (52), the second supporting plate (51) is installed on the rotating plate (42), the grinding wheel (2) is installed on the adjusting column (52), and the adjusting column (52) can move relative to the second supporting plate (51) so that the grinding wheel (2) is close to or far away from the cutting edge (121) of the circular cutter (12).

7. The disc cutter on-line sharpening device of claim 6, wherein: the adjusting column (52) is threaded on the second supporting plate (51).

8. The disc cutter on-line sharpening device of claim 1, wherein: the knife sharpening mechanism is characterized in that a group of grinding wheels (2) of the knife sharpening mechanism can be respectively attached to two sides of a cutting edge (121) of the disc knife (12) along the axis of the disc knife (12).

9. The disc cutter on-line sharpening device of claim 1, wherein: the disc cutter (12) is arranged on the frame (11) through a cutter rest (16), and the cutter rest (16) can drive the disc cutter (12) to move along the conveying direction of products; the knife rest (16) is provided with a connecting frame (6), and the knife sharpening mechanism is connected with the connecting frame (6).

10. The disc cutter on-line sharpening device of claim 9, wherein: the machine frame (11) is provided with a guide rail (71), the guide rail (71) is provided with a guide block (72) in a sliding manner along the conveying direction of products, and the knife sharpening mechanism is arranged on the guide block (72).