CN111251087B - Blade sharpening mechanism of cutting machine - Google Patents
Blade sharpening mechanism of cutting machine Download PDFInfo
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- CN111251087B CN111251087B CN202010168468.7A CN202010168468A CN111251087B CN 111251087 B CN111251087 B CN 111251087B CN 202010168468 A CN202010168468 A CN 202010168468A CN 111251087 B CN111251087 B CN 111251087B
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- Prior art keywords
- grinding stone
- plate
- driving device
- grindstone
- grinding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/12—Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
- B26F2210/12—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of fabrics
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a cutter grinding mechanism for a cutting machine blade, which comprises: the output end of the feed driving device is fixed on the middle supporting plate and moves linearly along the feeding direction; each grinding stone is rotatably connected to the same grinding stone mounting plate, the grinding stone mounting plates are connected to the middle supporting plate through elastic components, a linear grinding stone guide mechanism is connected between the grinding stone mounting plates and the middle supporting plate, and the guide direction of the grinding stone guide mechanism is parallel to the movement direction of the output end of the feeding driving device; and the connecting end of the grinding stone driving device is fixed on the grinding stone mounting plate, and the output end of the grinding stone driving device is connected with the grinding stone. Each grindstone directly sets up on same grindstone mounting panel, and under grindstone guiding mechanism's restraint, the cutting edge is polished with unchangeable relative position relation automation to the face of polishing of each grindstone, can not take place the orientation that the horizontal hunting influences the face of polishing because of elastic component's setting, and elasticity group will guarantee the laminating degree of grindstone and knife face, can improve the effect of whetting a knife.
Description
Technical Field
The invention relates to the technical field of numerical control cutting machines, in particular to a cutter grinding mechanism for a cutting machine blade.
Background
In the process of cutting the fabric by the numerical control cutting bed, the cutting resistance is smaller by the sharp cutting edge, so that the cutting precision is higher. However, as the knife is used, the knife wears away and the quality of the cut is affected, thus requiring an auxiliary device to automatically sharpen the dull blade in a timely manner.
A blade sharpening mechanism in a typical numerical control cutting machine comprises at least two grindstones, wherein the grindstones are respectively controlled by corresponding driving devices, the positions of the grindstones are difficult to synchronously adjust, and the sharpening effect is difficult to ensure.
Therefore, how to improve the sharpening effect is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a sharpening mechanism for a cutting edge of a cutting machine, which can improve the sharpening effect.
In order to achieve the purpose, the invention provides the following technical scheme:
a cutting bed blade sharpening mechanism comprising:
the output end of the feed driving device is fixed on the middle supporting plate and moves linearly along the feeding direction;
the grinding stone guide mechanism is connected between the grinding stone mounting plate and the intermediate support plate, and the guide direction of the grinding stone guide mechanism is parallel to the movement direction of the output end of the feeding driving device;
and the connecting end of the grinding stone driving device is fixed on the grinding stone mounting plate and the output end is connected with the grinding stone.
Preferably, the grinding surfaces of the grinding stones are coplanar and perpendicular to the movement direction of the output end of the feed driving device.
Preferably, the adjusting device further comprises a mounting rack, an adjusting base plate and a rotating pin shaft clamped between the mounting rack and the adjusting base plate, wherein the mounting rack is in screw connection with the adjusting base plate; the relative angle between the mounting rack and the adjusting base plate can be adjusted under the support of the rotating pin shaft; the connecting end of the feeding driving device is fixed on the mounting frame.
Preferably, the feeding device further comprises a mounting frame, and the connecting end of the feeding driving device is fixed on the mounting frame; a linear supporting plate guide mechanism is connected between the mounting frame and the intermediate supporting plate, and the guide direction of the supporting plate guide mechanism is parallel to the movement direction of the output end of the feeding driving device.
Preferably, the support plate guide mechanism comprises a first linear bearing, a first bearing support sleeve fixed to an outer ring of the first linear bearing, and a first guide rod fixed to an inner ring of the first linear bearing, and the first bearing support sleeve is fixed to the mounting bracket; the two ends of the first guide rod extend out of the first bearing support sleeve and are respectively fixed to the intermediate support plate and the limiting end, and the limiting end abuts against the first bearing support sleeve to limit the limit distance of the intermediate support plate away from the first bearing support sleeve.
Preferably, the grinding stone is in transmission connection with the output end of the grinding stone driving device through a belt transmission assembly.
Preferably, the belt drive assembly comprises a belt tensioning assembly.
Preferably, the grinding stone guide mechanism comprises a second linear bearing and a second guide rod fixed on an inner ring of the second linear bearing, and an outer ring of the second linear bearing is fixed on the intermediate support plate; the both ends of second guide bar are stretched out second linear bearing and are fixed respectively grindstone mounting panel and limiting plate, the limiting plate through with the second linear bearing outer lane offsets in order to restrict the grindstone mounting panel is kept away from the limit distance of second linear bearing outer lane motion.
Preferably, the elastic component comprises a compression spring sleeved outside the second guide rod, and two ends of the compression spring respectively support against the intermediate support plate and the grinding stone mounting plate.
Preferably, four of the stone guiding mechanisms are sequentially arranged at four vertexes of a set virtual rectangle.
The invention provides a blade sharpening mechanism of a cutting machine, which comprises: the output end of the feed driving device is fixed on the middle supporting plate and moves linearly along the feeding direction; each grinding stone is rotatably connected to the same grinding stone mounting plate, the grinding stone mounting plates are connected to the middle supporting plate through elastic assemblies, a linear grinding stone guide mechanism is connected between the grinding stone mounting plates and the middle supporting plate, and the guide direction of the grinding stone guide mechanism is parallel to the movement direction of the output end of the feeding driving device; the grinding stone driving device is used for driving the grinding stone to rotate, and the connecting end of the grinding stone driving device is fixed on the grinding stone mounting plate and the output end of the grinding stone driving device is connected to the grinding stone.
Adopt this sharpening mechanism, each whetstone directly sets up on same whetstone mounting panel, under whetstone guiding mechanism's restraint, each whetstone carries out translation motion in unison for the intermediate support board, the automatic cutting edge of polishing with unchangeable relative position relation of the face of polishing of each whetstone, can not influence the orientation of the face of polishing because of elastic component's setting emergence horizontal hunting, can guarantee to polish the blade into the shape of being retrained by the face of polishing of each whetstone, and simultaneously, elasticity is organized will guarantee the laminating degree of whetstone and knife face, can improve the effect of whetting a knife.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is an overall schematic view of a cutting bed blade sharpening mechanism provided by the present invention;
FIG. 2 is a block diagram of a sharpening wheel assembly of the blade sharpening mechanism of the cutting machine provided by the present invention;
FIG. 3 is a structural view of the resilient member and grindstone guide mechanism of the cutting edge sharpening mechanism of the cutting machine according to the present invention;
FIG. 4 is a structural view of a guide mechanism of a support plate of a blade sharpening mechanism of a cutting machine provided by the invention;
FIG. 5 is a view of the mounting bracket and adjusting shim plate of the cutting bed blade sharpening mechanism provided by the present invention;
fig. 6 is a schematic diagram of the belt drive assembly and grindstone attachment of the cutting machine blade sharpening mechanism provided by the present invention.
Reference numerals:
11-a grindstone, 12-a driven pulley, 13-a grindstone mounting plate, 14-a pulley bearing, 15-a first outer snap spring, 16-an inner snap spring, 17-an adjusting pin shaft, 18-a grindstone fastening nut and 19-a first mounting plate locking nut;
21-a second guide rod, 22-an intermediate support plate, 23-a limiting plate, 24-a limiting plate lock nut, 25-a second outer snap spring, 26-a spacer bush, 27-a second linear bearing, 28-a compression spring and 29-a second mounting plate lock nut;
3-a support plate guide mechanism, 31-an end screw, 32-an end locking nut, 33-an end limiting nut, 34-a first guide rod, 35-a first linear bearing, 36-a first bearing support sleeve and 37-a feed driving device;
41-mounting rack, 42-rotating pin shaft, 43-adjusting backing plate;
51-driving pulley, 52-driving belt, 53-grinding stone driving device, 54-belt tensioning assembly, 55-adjusting threaded hole.
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.
The core of the invention is to provide a cutter grinding mechanism for a cutting bed blade, which can improve the cutter grinding effect.
It will be understood that when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In the description of the present invention, it should be noted that the terms "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In one embodiment of the present invention, referring to fig. 1-6, a cutting machine blade sharpening mechanism includes a feed drive 37, a sharpening stone 11, and a sharpening stone drive 53. The feed drive 37 is embodied as a linear motor or a cylinder. The output end of the feed driving device 37 is fixed to the intermediate support plate 22, and the output end of the feed driving device 37 moves linearly in the feeding direction. The number of the grindstones 11 is at least two, and specifically two in the present embodiment. Each grinding stone 11 is rotatably connected to the same grinding stone mounting plate 13, the grinding stone mounting plate 13 is connected to the intermediate support plate 22 through an elastic assembly, a linear grinding stone guide mechanism is connected between the grinding stone mounting plate 13 and the intermediate support plate 22, and the guide direction of the grinding stone guide mechanism is parallel to the movement direction of the output end of the feed driving device 37. The grinding stone driving device 53 is used for driving the grinding stone 11 to rotate, the connecting end of the grinding stone driving device 53 is fixed to the grinding stone mounting plate 13, and the output end of the grinding stone driving device 53 is connected to the grinding stone 11.
The feed driving device 37 pushes the grinding stone 11 forward, and the grinding stone driving device 53 drives the grinding stone 11 to rotate so as to grind the knife. Feed drive arrangement 37 and promote intermediate support plate 22, after intermediate support plate 22 drove grindstone 11 forward motion to contact with the blade, continue to promote intermediate support plate 22 to move ahead one section in the original direction, elastic component can compression deformation in order to compress tightly grindstone 11 in the blade, guarantees the laminating degree of grindstone 11 and blade. Due to the arrangement of the grinding stone guide mechanism, when the grinding stone mounting plate 13 moves relative to the middle support plate 22, the translation movement can be carried out along the movement direction of the output end of the feed driving device 37.
As shown in fig. 6, at least three non-collinear adjustment screw holes 55 are provided in the grindstone mounting plate 13, and in the process of assembling the grindstone mounting plate 13 and the intermediate support plate 22, positioning screws are inserted into the respective adjustment screw holes 55, the tail ends of the positioning screws are connected to the intermediate support rod 22, the grindstone mounting plate 13 and the intermediate support plate 22 are adjusted to be parallel by adjusting the lengths of the respective positioning screws between the grindstone mounting plate 13 and the intermediate support plate 22, and then, the grindstone guide mechanism and the like are assembled, and in the use process, the positioning screws are detached from the sharpening mechanism.
Adopt the sharpening mechanism in this embodiment, each grindstone 11 directly sets up on same grindstone mounting panel 13, under grindstone guiding mechanism's restraint, each grindstone 11 carries out translation motion for the intermediate support plate 22 is unified, the automatic cutting edge of polishing with unchangeable relative position relation of the face of polishing of each grindstone, can not take place the orientation that the horizontal hunting influences the face of polishing because of elastic component's setting, can guarantee to polish into the shape of being retrained by the face of polishing of each grindstone 11 with the blade, and simultaneously, elastic component will guarantee the laminating degree of grindstone 11 and knife face, can improve the effect of whetting a knife.
Further, the grinding faces of the grinding stones 11 are coplanar and perpendicular to the direction of movement of the output end of the feed drive 37. Because the grinding surfaces of the grinding stones 11 are always kept in a coplanar state, when the mechanism is used for plane grinding, the plane grinding effect can be ensured.
Further, the cutting machine blade sharpening mechanism further comprises a mounting frame 41, an adjusting shim plate 43 and a rotating pin shaft 42 clamped between the mounting frame 41 and the adjusting shim plate 43. The mounting bracket 41 is screwed to the adjusting shim plate 43. The relative angle between the mounting bracket 41 and the adjusting shim plate 43 is adjustable under the support of the pivot pin 42. Specifically, as shown in fig. 5, the adjusting pad 43 is provided with a pad arc-shaped groove, the mounting bracket 41 is provided with a frame arc-shaped groove, and the pad arc-shaped groove and the frame arc-shaped groove are respectively buckled on two sides of the pivot pin 42. In the cutting bed apparatus, the adjusting plate 43 is fixed to the base of the cutting bed apparatus by screws or other means, so that the cutting bed blade sharpening mechanism is attached to the base by the adjusting plate 43. After adjusting plate 43 is confirmed for the mounted position of frame, mounting bracket 41 can rotate the mounting angle who adjusts whole sharpening mechanism around the little amplitude of round pin axle 42 to adjust the angle of stone sanding face, thereby guarantee that the sanding face can adapt to the demand of angle of sanding, in addition, mounting bracket 41 passes through the relative angle relation of screw locking in order to keep after adjusting with adjusting plate 43. The hinge adjustment between the mounting frame 41 and the adjusting shim plate 43 can realize the integral adjustment of the grinding surface of each grinding stone 1. Meanwhile, the connecting end of the feed driving unit 37, which is usually a housing thereof, is fixed to the mounting bracket 41.
Further, a linear support plate guide mechanism 3 is connected between the mounting frame 41 and the intermediate support plate 22, and a guide direction of the support plate guide mechanism 3 is parallel to a movement direction of the output end of the feed driving device 37. When the feed driving device 37 drives the intermediate support plate 22 to advance, the support plate guide mechanism 3 can guide the intermediate support plate 22, so that the propelling process of the intermediate support plate 22 and the stability of blade sharpening are ensured. Alternatively, two sets of the shoe guide mechanisms 3 are provided.
Specifically, as shown in fig. 4, the support plate guide mechanism 3 includes a first linear bearing 35, a first bearing support 36 fixed to an outer ring of the first linear bearing 35, and a first guide bar 34 fixed to an inner ring of the first linear bearing 35. The mounting bracket 41 is fixed to the first bearing boss 36. The two ends of the first guide rod 34 extend out of the first bearing support 36, and the two ends of the first guide rod 34 are respectively fixed with the middle support plate 22 and the limit end. The limiting end limits the limit distance of movement of the intermediate support plate 22 away from the first bearing boss 36 by abutting against the first bearing boss 36. The arrangement of the limiting end can effectively prevent the first guide rod 34 from falling off the first linear bearing 35 along with the intermediate support plate 22.
More specifically, as shown in fig. 4, the limit end includes an end screw 31 fixed to an end of the first guide bar 34 remote from the intermediate support plate 22, an end limit nut 33 screwed to the end screw 31, and an end lock nut 32 screwed to the end screw 31. In the process of assembling the limiting end, the end bolt 31 is fixed at one end of the first guide rod 34, the end limiting nut 33 is in threaded fit with the end bolt 31, and after the end limiting nut 33 is screwed to a proper position, the end locking nut 32 locks the end limiting nut 33 on the end bolt 31. In the orientation shown in fig. 4, the first guide bar 34 moves to the right, and when the end stop nut 33 is moved to abut against the first bearing support 36, the middle support plate 22 moves to the right to the limit position, and cannot move to the right any more. The removable threaded connection of the head screw 31 to the first guide bar 34 facilitates the removal of the first guide bar 34 from the first linear bearing 35.
Further, the grinding stones 11 are connected to the output end of the grinding stone driving device 53 through the belt transmission assembly, so that the rotation synchronism of each grinding stone 11 can be ensured. As shown in fig. 1 and 6, the grinding stone driving device 53 is a driving motor, a housing of the driving motor is fixed to the grinding stone mounting plate 13, an output shaft of the driving motor is fixed to a driving pulley 51, the grinding stone 11 is coaxially fixed to the driven pulley 12, and the driving pulley 51 drives the driven pulley 12 and the grinding stone 11 to rotate via a transmission belt 52. Of course, in other embodiments, the grinding stone 11 may be connected to the grinding stone drive 53 by a gear transmission.
As shown in fig. 2, the grindstone 11 is locked to the driven pulley 12 by a grindstone fastening nut 18, and the grindstone 11 rotates in synchronization with the driven pulley 12. Driven pulley 12 rotates through pulley bearing 14 and connects on adjusting pin 17, and adjusting pin 17 threaded connection is in grindstone mounting panel 13, and first mounting panel lock nut 19 locks adjusting pin 17 in grindstone mounting panel 13, can adjust the front and back position of adjusting pin 17 installation on grindstone mounting panel 13 through rotating adjusting pin 17 on grindstone mounting panel 13.
Further, the belt driving assembly includes a belt tensioning assembly 54, as shown in fig. 6, the belt tensioning assembly 54 is a tension wheel that presses the belt surface of the driving belt 52 to be tensioned, so as to improve the stability of the driving.
Further, referring to fig. 3, the grindstone guide mechanism includes a second linear bearing 27 and a second guide rod 21 fixed to an inner ring of the second linear bearing 27, an outer ring of the second linear bearing 27 is fixed to the intermediate support plate 22, as shown in fig. 3, a plate hole of the intermediate support plate 22 is sleeved on the outer ring of the second linear bearing 27 in an interference manner, and axial limiting is performed through a second outer snap spring 25 and a spacer 26. The second linear bearing 27 is extended from both ends of the second guide bar 21, and the grindstone mounting plate 13 and the limit plate 23 are fixed to both ends of the second guide bar 21, respectively. As shown in fig. 3, the retainer plate 23 is locked to the second guide bar 21 by the retainer plate lock nut 24, and the grindstone mounting plate 13 is fixed to the second guide bar 21 by the second mounting plate lock nut 29. The limit plate 23 limits the limit distance of the movement of the grindstone mounting plate 13 away from the outer ring of the second linear bearing 27 by abutting against the outer ring of the second linear bearing 27.
In the position shown in fig. 3, the second guide rod 21 moves rightward, and when the second guide rod moves to the position where the limit plate 23 abuts against the outer ring of the second linear bearing 27, the grinding stone mounting plate 13 moves rightward, and cannot move rightward continuously, so that the second guide rod 21 can be effectively prevented from being separated from the second linear bearing 27 along with the grinding stone mounting plate 13. Wherein, the output end of the feeding driving device and the supporting plate guiding mechanism 3 can respectively pass through the openings of the limiting plate 23 to connect the intermediate supporting plate 22.
Further, referring to fig. 3, the elastic component includes a compression spring 28 sleeved outside the second guide rod 21, and two ends of the compression spring 28 respectively abut against the middle support plate 22 and the grinding stone mounting plate 13, so as to facilitate the arrangement of the elastic component. Of course, in other embodiments, the resilient member may be juxtaposed to one side of the stone guide.
Further, four grindstone guiding mechanisms are sequentially arranged at four top points of a set virtual rectangle, as shown in fig. 1 and 6, so that the grindstone guiding mechanisms can be supported at four points, and compression springs and linear bearing guiding structures are symmetrically arranged at four corners of the grindstone mounting plate, so that the uniform sharpening and reliable and stable sharpening of the blade are ensured. Of course, in embodiments thereof, two or another number of stone guiding means may be provided.
The blade sharpening mechanism that this embodiment provided specifically can be applied to numerical control cutting machine, and this blade sharpening mechanism's theory of operation is as follows:
when the blade needs to be sharpened, the feeding driving device 37 works, under the guiding action of the supporting plate guiding mechanism 3, the middle supporting plate 22 and all parts mounted thereon are pushed forward, meanwhile, the grinding stone driving device 53 works, the output end of the grinding stone driving device 53 drives the driving belt wheel 51 to rotate, and then two grinding stones 11 are driven by the belt driving belt 52; when the feeding driving device 37 is pushed to the state that the grinding stone 11 contacts the blade, the feeding driving device 37 drives the intermediate supporting plate 22 to continuously feed forward for a short distance, at the moment, the grinding stone mounting plate 13 and the limiting plate 23 move backward relative to the intermediate supporting plate 22 under the action of the grinding stone guiding mechanism, the compression spring 28 is compressed to maintain the pressure of the grinding stone 11 on the blade, after one side of the cutter is sharpened, the grinding stone driving device 53 stops rotating, the feeding driving device 37 moves in a resetting manner, and the compression spring 28 in a compressed state returns. Repeating the above actions to finish the sharpening of the other side of the cut-off knife, thus finishing the whole sharpening process of the cut-off knife.
The mechanism realizes automatic blade grinding of the cutting machine blade through components such as a belt transmission component, a grindstone guide mechanism component, a support plate guide mechanism component 3 component, an elastic component and the like, and has the advantages of simple structure and easy installation and adjustment.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The cutting bed blade sharpening mechanism provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A cutting bed blade sharpening mechanism, comprising: a feed drive device (37) having an output end fixed to the intermediate support plate (22) and linearly moving in a feed direction; the grinding wheel mechanism comprises at least two grinding wheels (11), each grinding wheel (11) is rotatably connected to the same grinding wheel mounting plate (13), the grinding wheel mounting plates (13) are connected to the middle supporting plate (22) through elastic components, a linear grinding wheel guide mechanism is connected between the grinding wheel mounting plates (13) and the middle supporting plate (22), and the guide direction of the grinding wheel guide mechanism is parallel to the movement direction of the output end of the feeding driving device (37); the grinding stone driving device (53) is used for driving the grinding stone (11) to rotate, the connecting end of the grinding stone driving device (53) is fixed on the grinding stone mounting plate (13), and the output end of the grinding stone driving device is connected to the grinding stone (11);
the grinding surfaces of the grinding stones (11) are coplanar and perpendicular to the movement direction of the output end of the feed driving device (37), and in the movement direction of the output end of the feed driving device (37), the grinding stones (11) and the middle supporting plate (22) are respectively arranged on two sides of the grinding stone mounting plate (13);
the grinding stone guide mechanism comprises a second linear bearing (27) and a second guide rod (21) fixed to the inner ring of the second linear bearing (27), and the outer ring of the second linear bearing (27) is fixed to the middle support plate (22); the both ends of second guide bar (21) are stretched out second linear bearing (27) and are fixed respectively grindstone mounting panel (13) and limiting plate (23), limiting plate (23) through with second linear bearing (27) outer lane counterbalance is in order to restrict grindstone mounting panel (13) is kept away from the limit distance of second linear bearing (27) outer lane motion.
2. The cutting machine blade sharpening mechanism according to claim 1, further comprising a mounting bracket (41), an adjusting shim plate (43) and a rotating pin shaft (42) interposed between the mounting bracket (41) and the adjusting shim plate (43), the mounting bracket (41) being in screw connection with the adjusting shim plate (43); the relative angle between the mounting frame (41) and the adjusting base plate (43) is adjustable under the support of the rotating pin shaft (42); the connecting end of the feed driving device (37) is fixed on the mounting frame (41).
3. The cutting bed blade sharpening mechanism of claim 1, further comprising a mounting bracket (41), the connecting end of the feed drive (37) being secured to the mounting bracket (41); a linear supporting plate guide mechanism (3) is connected between the mounting frame (41) and the intermediate supporting plate (22), and the guide direction of the supporting plate guide mechanism (3) is parallel to the movement direction of the output end of the feeding driving device (37).
4. The cutting bed blade sharpening mechanism according to claim 3, wherein the backup plate guide mechanism (3) comprises a first linear bearing (35), a first bearing boss (36) fixed to an outer ring of the first linear bearing (35), and a first guide bar (34) fixed to an inner ring of the first linear bearing (35), the first bearing boss (36) being fixed to the mounting bracket (41); the two ends of the first guide rod (34) extend out of the first bearing support sleeve (36) and are respectively fixed to the intermediate support plate (22) and the limiting end, and the limiting end abuts against the first bearing support sleeve (36) to limit the limit distance of the movement of the first bearing support sleeve (36) away from the intermediate support plate (22).
5. The cutting machine blade sharpening mechanism according to any one of claims 1 to 4, characterized in that the grindstone (11) is drivingly connected to the output of the grindstone drive means (53) through a belt drive assembly.
6. The cutting bed blade sharpening mechanism of claim 5, wherein the belt drive assembly comprises a belt tensioning assembly (54).
7. The cutting bed blade sharpening mechanism according to any one of claims 1 to 4, wherein the resilient member comprises a compression spring (28) sleeved outside the second guide bar (21), both ends of the compression spring (28) respectively abutting against the intermediate support plate (22) and the grindstone mounting plate (13).
8. The cutting bed blade sharpening mechanism of claim 7, wherein four of the grindstone guide mechanisms are arranged in sequence at four vertices of a set virtual rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| EP2699384B1 (en) * | 2011-04-20 | 2015-03-18 | Menegon, Ennio | Sharpening device for cutting blade |
| CN203527162U (en) * | 2013-08-20 | 2014-04-09 | 天津宝盈电脑机械有限公司 | Sharpening system of computerized cutting bed |
| CN205342688U (en) * | 2016-01-19 | 2016-06-29 | 丽水鸿图工业设计有限公司 | Electronic sharpener of tailorring sword |
| CN107350907A (en) * | 2016-05-10 | 2017-11-17 | 天津宝盈电脑机械有限公司 | The new knife sharpening device of computerized marker |
| CN107457625A (en) * | 2017-10-11 | 2017-12-12 | 苏州吉森智能科技有限公司 | Numerical control cutting knife sharpening device |
| CN207606910U (en) * | 2017-11-27 | 2018-07-13 | 海盐恒祥经编有限公司 | A kind of cutter device for bead cutter |
| CN209867519U (en) * | 2019-04-15 | 2019-12-31 | 深圳市泰科思特精密工业有限公司 | Cutting edge grinding machine cutter alignment degree adjusting mechanism |
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