CN214922824U - Grinding tool device and knife sharpening equipment - Google Patents

Abstract

The utility model provides a grinding apparatus device and equipment of whetting a knife, grinding apparatus device includes base, lead screw, grinding apparatus seat and steering control portion, and lead screw and pedestal connection have seted up threaded hole on the grinding apparatus seat, and the lead screw spiro union is in threaded hole, and the base is kept away from along with the forward rotation of lead screw to the grinding apparatus seat, and the grinding apparatus seat is close to the base along with the antiport of lead screw, steering control portion and lead screw connection, steering control portion backstop lead screw antiport. The grinding tool device drives the grinding tool base to move through the lead screw, namely the feed amount of the grinding tool can be increased by rotating the lead screw, and the steering control part can prevent the lead screw from reversely rotating, namely the feed amount of the grinding tool is reduced, so that the grinding tool device can automatically perform grinding operation and automatically realize grinding tool feeding. The knife sharpening device adopts the grinding tool device, and the driving part drives the grinding tool device to move so as to automatically sharpen the knife.

Description

Grinding tool device and knife sharpening equipment

Technical Field

The utility model relates to a mechanical equipment field particularly, relates to a grinding apparatus device and equipment of whetting a knife.

Background

Cutting tools and devices are widely used in modern industrial and agricultural production, for example, in agriculture, silage machines are used for cutting corn.

The cutting tool cuts the article through the blade, and the sharper the edge of the blade, the more labor-saving the cutting is, and the smoother the cutting is.

However, the high strength and long-term operation causes rapid wear of the blade, leading to dulling of the blade, which affects the cutting operation and reduces the cutting efficiency.

In order to improve the efficiency of the cutting operation, it is necessary to grind the blade to maintain the sharpness of the blade.

The existing knife sharpening method comprises a manual knife sharpening machine and an automatic knife sharpening machine, wherein the manual knife sharpening needs to remove a blade from a cutting machine and then sharpen the knife, and the efficiency is not high.

The automatic sharpening device is adopted for automatic sharpening, the sharpening tool can move along a preset route, and blades on the route are sharpened.

However, in the sharpening process, the die is also worn, when the grinding tool is worn to a certain degree, the grinding tool needs to be adjusted to feed the grinding tool towards the blade, so that the contact between the grinding tool and the blade is guaranteed, and the grinding tool can effectively sharpen the blade.

The grinding tool in the prior art needs a worker to manually adjust the feeding amount, the machine needs to be stopped for adjustment every time, the operation is complicated, and the machine is stopped to delay work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grinding apparatus device, it drives the motion of grinding apparatus seat through the lead screw, can increase the feed volume of grinding apparatus through rotatory lead screw promptly, and steering control portion can prevent lead screw antiport, prevents promptly that the grinding apparatus from reducing the feed volume, therefore grinding apparatus device can sharpen the sword automatically and operate, realizes the grinding apparatus automatically and feeds.

Another object of the present invention is to provide a knife sharpening device, which employs the above mentioned grinding apparatus, and drives the grinding apparatus to move through the driving portion, so as to perform automatic knife sharpening operation.

The utility model discloses a realize like this:

the utility model provides a grinding apparatus device, includes base, lead screw, grinding apparatus seat and steering control portion, and the lead screw is connected with the pedestal, sets up threaded hole on the grinding apparatus seat, and the lead screw spiro union is in the threaded hole, and the base is kept away from along with the forward rotation of lead screw to the grinding apparatus seat, and the grinding apparatus seat is close to the base along with the antiport of lead screw, steering control portion and lead screw connection, steering control portion backstop lead screw antiport.

The lead screw of the grinding tool device is in driving connection with the grinding tool seat, the lead screw drives the grinding tool seat to be close to or far away from the base, the grinding tool seat moves away from the base, namely the feeding amount of the grinding tool is increased, the steering control portion can limit reverse rotation of the lead screw, the lead screw only rotates in the direction of increasing the feeding amount of the grinding tool, namely the grinding tool seat is prevented from moving in the direction close to the base, therefore, the grinding tool device can automatically perform grinding operation, and the grinding tool feeding is automatically realized.

The utility model discloses among the technical scheme of preferred, steering control portion includes ratchet and pawl, ratchet and lead screw fixed connection, pawl and base fixed connection, and pawl backstop ratchet rotates along the antiport direction of lead screw.

The utility model discloses among the technical scheme of preferred, the base includes the pilot hole, and the grinding apparatus seat is including assembly rod portion, and assembly rod portion wears to establish in the pilot hole, and the axial motion of pilot hole can be followed to assembly rod portion, and the screw hole is seted up on assembly rod portion, the axial of screw hole and the axial direction parallel of pilot hole.

The utility model discloses among the technical scheme of preferred, the pilot hole is the through-hole, and grinding apparatus seat protrusion in the one end of pilot hole, lead screw protrusion in the other end of pilot hole, steering control portion are connected in the part of pilot hole with the protrusion of lead screw.

The utility model discloses among the technical scheme of preferred, the base includes body and first guide part, and the guiding hole has been seted up with this body coupling and along the axial direction protrusion in the body of perpendicular to lead screw on the first guide part to first guide part, and the axial of guiding hole is mutually perpendicular with the axial of lead screw, and the axial of guiding hole is mutually perpendicular with the direction of first guide part protrusion in the body.

The utility model discloses among the technical scheme of preferred, the base includes the second guide part, and the second guide part setting includes the bearing in the one side of keeping away from first guide part of body, the axial of the axial perpendicular to lead screw of bearing.

The utility model discloses among the technical scheme of preferred, the second guide part still includes the cardboard, and the cardboard sets up with the bearing interval on the axial direction of lead screw along first guide part to the direction protrusion in body of second guide part.

The utility model discloses among the technical scheme of preferred, the grinding apparatus device still includes the grinding apparatus, and the one end that deviates from the lead screw of grinding apparatus seat is provided with the clamping part, and grinding apparatus detachably is connected with the clamping part.

The knife sharpening device comprises a driving part and the grinding tool device, wherein the driving part is connected with a base and used for driving the base to move along the direction perpendicular to the axial direction of a lead screw.

The utility model discloses among the technical scheme of preferred, the equipment of whetting a knife still includes feed control portion, and feed control portion sets up on grinding apparatus device's the predetermined position of route of advancing, and when grinding apparatus device reachd predetermined position, feed control portion and steering control portion contact and drive lead screw orientation make the grinding apparatus seat keep away from the direction rotation of base motion.

The beneficial effects of the utility model mainly lie in: the grinding tool device drives the grinding tool base to move through the lead screw, namely the feed amount of the grinding tool can be increased by rotating the lead screw, and the steering control part can prevent the lead screw from reversely rotating, namely the feed amount of the grinding tool is reduced, so that the grinding tool device can automatically perform grinding operation and automatically realize grinding tool feeding. The knife sharpening device adopts the grinding tool device, and the driving part drives the grinding tool device to move so as to automatically sharpen the knife.

Drawings

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

FIG. 1 is a front view of an embodiment of an abrasive tool apparatus of the present invention;

fig. 2 is a left side view of an embodiment of the abrasive tool apparatus of the present invention;

FIG. 3 is a top view of an embodiment of the abrasive tool apparatus of the present invention;

fig. 4 is an exploded view of an embodiment of the abrasive tool apparatus of the present invention;

fig. 5 is a perspective view of an embodiment of the knife sharpening device of the present invention.

In the figure:

10-a base; 11-a body; 12-assembly holes; 13-a first guide; 14-a pilot hole; 15-chain buckling; 16-a second guide; 17-a bearing; 18-a card board; 19-lead screw backing plate; 20-a lead screw; 30-a grinder seat; 31-assembling the rod; 32-a clamping portion; 33-a threaded hole; 41-ratchet wheel; 42-pawl; 50-grinding tool; 60-flat bond; 70-a bolt; 100-a chain; 200-a first guide rail; 300-a second guide rail; 400-driving lever.

Detailed Description

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

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The utility model provides a grinding apparatus device, an embodiment of this grinding apparatus device is shown in fig. 1 to 4, in this embodiment, grinding apparatus device includes base 10, lead screw 20, grinding apparatus seat 30 and steering control portion, lead screw 20 is connected with base 10, set up threaded hole 33 on the grinding apparatus seat 30, lead screw 20 spiro union is in threaded hole 33, grinding apparatus seat 30 is kept away from base 10 along with lead screw 20's forward rotation, grinding apparatus seat 30 is close to base 10 along with lead screw 20's antiport, steering control portion is connected with lead screw 20, steering control portion backstop lead screw 20 antiport.

The lead screw 20 drives the grinder seat 30 to approach or depart from the base 10, wherein when the grinder seat 30 moves towards a direction of departing from the base 10, the feeding amount of the grinder 50 is increased, when the grinder seat 30 moves towards a direction of approaching the base 10, the feeding amount of the grinder 50 is decreased, and the rotation of the lead screw 20 can adjust the feeding amount of the grinder 50.

The rotation direction of the screw rod 20 is stopped by the steering control part, so that the screw rod 20 cannot rotate reversely, namely the screw rod 20 is stopped by the steering control part and rotates towards the direction of the grinding tool seat 30 moving close to the base 10, the grinding tool 50 can be prevented from retracting due to the friction between the grinding tool 50 and the blade in the grinding process, the contact between the grinding tool 50 and the blade is kept, and the grinding effect is guaranteed.

Wherein the steering control portion includes a ratchet wheel 41 and a pawl 42, the ratchet wheel 41 is fixed on the lead screw 20, the pawl 42 is fixed on the base 10, and the pawl 42 stops one rotation direction of the ratchet wheel 41, i.e., clockwise direction shown in fig. 3, so that the ratchet wheel 41 and the lead screw 20 can only rotate toward counterclockwise direction in fig. 3.

The ratchet wheel 41 and the lead screw 20 are fixedly connected, and the fixed connection can be realized through a flat key, a spline and the like.

The upper end of the screw rod 20 is further provided with a nut for preventing the ratchet wheel 41 from coming off, and the nut and the screw rod 20 are fixedly connected through a bolt 70.

The base 10 comprises a body 11, an assembly hole 12 is formed in the body 11, the grinding tool seat 30 comprises an assembly rod 31, the assembly rod 31 is inserted into the assembly hole 12, and the assembly rod 31 is prevented from rotating through a flat key 60, namely, the grinding tool seat 30 and the base 10 can axially translate along the assembly hole 12 but cannot relatively rotate.

The mounting hole 12 is a through hole, the grinder base 30 protrudes from one end of the mounting hole 12, as shown in the lower end of fig. 1, the lead screw 20 protrudes from the other end of the mounting hole 12, as shown in the upper end of fig. 1, and the steering control portion is connected to a portion of the lead screw 20 protruding from the mounting hole 12.

The assembly rod 31 is provided with a threaded hole 33, the lead screw 20 is screwed in the threaded hole 33, and the diameter of the lead screw 20 is smaller than that of the assembly hole 12.

In the present embodiment, the fitting hole 12 is a circular hole, and the fitting hole 12 is coaxial with the screw hole 33.

In other embodiments, the mounting hole 12 itself may be a rectangular hole or a hexagonal hole, so that even if the flat key 60 is not provided, the sectional shape of the mounting rod 31 is adapted to the mounting hole 12, thereby achieving the rotation stop between the mounting rod 31 and the body 11.

The base 10 further comprises a screw base plate 19, the screw base plate 19 is arranged on one side of the body 11 far away from the grinding tool seat 30, and the screw base plate 19 is fixedly connected with the body 11 through four screws.

A screw bearing is arranged between the screw 20 and the screw backing plate 19.

Since the lead screw 20 is screwed into the threaded hole 33 of the mounting rod 31, the diameter of the lead screw 20 is smaller than the diameter of the mounting hole 12, and in order to provide a lead screw bearing, a bearing mounting hole that fits the lead screw bearing, which has a diameter larger than the diameter of the lead screw 20 and smaller than the diameter of the mounting hole 12, needs to be opened in the lead screw backing plate 19.

The base 10 further includes a first guide portion 13, and the first guide portion 13 is connected to the body 11 and protrudes from the body 11 in a direction perpendicular to the axial direction of the lead screw 20. The first guide portion 13 is not shown in fig. 1, and as can be seen from fig. 4, the first guide portion 13 is provided on the left side of the body 11 in fig. 1.

As shown in fig. 4, the first guide portion 13 is provided with a guide hole 14, an axial direction of the guide hole 14 is perpendicular to an axial direction of the screw 20, and the axial direction of the guide hole 14 is perpendicular to a direction in which the first guide portion 13 protrudes from the body 11.

The guide hole 14 is a transverse through hole for penetrating the first guide rail 200.

A side of the first guide 13 away from the grinder 50 is provided with a chain catch 15, and the chain catch 15 is connected to the chain 100 by a screw or bolt, so that the chain 100 can drive the grinder device to move.

The first guide portion 13 is detachably connected to the body 11 by a screw.

The base includes a second guide portion 16, and the second guide portion 16 is provided on a side of the body 11 away from the first guide portion 13, i.e., a right side of the body 11 in fig. 1.

In the present embodiment, the second guide portion 16 includes a structural plate, and the structural plate is attached to the screw plate 19 by a screw.

The lower part of the structural plate is provided with a bearing 17, and the axial direction of the bearing 17 is perpendicular to the axial direction of the screw rod 20.

The upper part of the structural plate is provided with a clamping plate 18, the clamping plate 18 protrudes out of the body 11 along the direction from the first guide part 13 to the second guide part 16, and the clamping plate 18 is arranged at an interval with the bearing 17 in the axial direction of the screw rod 20.

In other embodiments, the structural plates may also be fixed to the body 11, or the structural plates may not be included, i.e., the bearing 17 and the snap plate 18 are directly connected to the body 11.

Referring to fig. 5, the bearing 17 and the catch plate 18 sandwich the second rail 300. When the grinder device performs grinding, the grinder 50 is in contact with the blade, the grinder device receives upward thrust as a whole, and the bearing 17 is in contact with the lower side of the second guide 300 to support the grinder device.

When sharpening is completed, the grinder assembly falls downward by gravity, and the chucking plate 18 comes into contact with the upper side of the second guide rail 300 to support the grinder assembly.

The end of the grinding tool base 30, which is far away from the screw 20, is further provided with a clamping portion 32, the clamping portion 32 protrudes below the body 11, and the grinding tool 50 is detachably connected with the clamping portion 32.

The grinding tool 50 can be detached, so that when the grinding tool 50 is worn to a degree that normal grinding cannot be performed, the grinding tool 50 can be replaced, the grinding tool seat 30 does not need to be detached in the replacement process, and convenience and rapidness are achieved.

Further, since the grinder 50 is clamped to the clamping portion 32, the shape of the grinder 50 may be multiple, for example, a rectangular grinder.

Compare with the grinding apparatus device among the prior art, the utility model discloses a grinding apparatus device has following improvement: the shape of the grinding tool 50 is not limited to a cylindrical shape, but may be a rectangular shape or other shape; the grinding tool 50 is not sleeved in the grinding tool seat 30 any longer, but is clamped below the grinding tool seat 30, so that the replacement is convenient; the first guide part 13 and the second guide part 16 are detachably connected with the body 11; the screw 20 is adopted as a structure for driving the grinder to feed, and the ratchet 41 limits the rotation direction of the screw 20 to prevent the grinder 50 from retracting.

As shown in fig. 5, the present invention further provides a knife sharpening device, which comprises a driving portion and the above mentioned grinding tool device, wherein the driving portion is connected to the base 10 for driving the base 10 to move along a direction perpendicular to the axial direction of the lead screw 20.

The knife sharpening device comprises a first guide rail 200 and a second guide rail 300, wherein the first guide rail 200 and the second guide rail 300 are respectively positioned at two sides of the base 10 and are respectively matched and connected with the first guide part 13 and the second guide part 16, so that not only is the grinding tool device supported, but also the movement of the grinding tool device is guided.

The first guide 200 is a cylindrical guide, and the second guide 300 is a plate-shaped guide.

The driving part of the knife sharpening device comprises a motor and a chain 100, wherein the chain 100 is arranged above the first guide rail 200, the motor drives the chain 100 to move, and the chain 100 drives the base 10 to move.

The first guide portion 13 of the base 10 is provided with a chain buckle 15, and the chain buckle 15 is connected with the chain 100 through a screw or a bolt.

The sharpener apparatus further includes a feed control portion provided at a predetermined position of the travel path of the grinder device, the feed control portion contacting the steering control portion and driving the lead screw 20 to rotate in a direction to move the grinder base 30 away from the base 10 when the grinder device reaches the predetermined position.

The motor can be a hydraulic motor or an electric motor.

As shown in fig. 5, in the present embodiment, a dial 400 is provided as a control dial on one side of the second guide 300, and each time the grinder assembly is operated to the rightmost side in fig. 5, the dial 400 dials the ratchet 41 to rotate by one tooth angle, that is, the lead screw 20 rotates to drive the grinder 50 to feed once.

If the grinder assembly is not moved to the far right in fig. 5, the lever 400 does not contact the ratchet 41, the lead screw 20 does not rotate, and the grinder 50 does not feed.

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

Claims (10)

1. The grinding tool device is characterized by comprising a base, a lead screw, a grinding tool seat and a steering control part, wherein the lead screw is connected with the base, a threaded hole is formed in the grinding tool seat, the lead screw is in threaded connection with the threaded hole, the grinding tool seat is far away from the base along with the forward rotation of the lead screw, the grinding tool seat is close to the base along with the reverse rotation of the lead screw, the steering control part is connected with the lead screw, and the steering control part stops the lead screw from reversely rotating.

2. The grinding tool apparatus of claim 1, wherein the steering control portion comprises a ratchet fixedly connected to the lead screw and a pawl fixedly connected to the base, the pawl stopping the ratchet from rotating in a direction opposite to the direction of rotation of the lead screw.

3. The grinder apparatus according to claim 1, wherein the base includes a fitting hole, the grinder seat includes a fitting rod portion, the fitting rod portion is inserted into the fitting hole, the fitting rod portion is movable in an axial direction of the fitting hole, the threaded hole is provided in the fitting rod portion, and an axial direction of the threaded hole is parallel to an axial direction of the fitting hole.

4. The grinder apparatus as claimed in claim 3, wherein the fitting hole is a through hole, the grinder base protrudes from one end of the fitting hole, the lead screw protrudes from the other end of the fitting hole, and the steering control portion is connected to a portion of the lead screw protruding from the fitting hole.

5. The grinding tool apparatus of claim 1, wherein the base includes a body and a first guide portion, the first guide portion is connected to the body and protrudes from the body in a direction perpendicular to an axial direction of the screw, the first guide portion has a guide hole, the axial direction of the guide hole is perpendicular to the axial direction of the screw, and the axial direction of the guide hole is perpendicular to the direction in which the first guide portion protrudes from the body.

6. The grinding tool apparatus of claim 5, wherein the base includes a second guide portion disposed on a side of the body away from the first guide portion, the second guide portion including a bearing having an axial direction perpendicular to an axial direction of the lead screw.

7. The grinding tool apparatus of claim 6, wherein the second guide further comprises a catch plate projecting from the body in a direction from the first guide to the second guide, the catch plate being spaced from the bearing in an axial direction of the lead screw.

8. The grinder apparatus according to claim 1, further comprising a grinder, an end of the grinder base facing away from the lead screw being provided with a grip, the grinder being detachably connected with the grip.

9. A sharpener apparatus comprising a drive portion and the sharpener device of any one of claims 1 to 8, said drive portion being connected to said base for driving said base to move in a direction perpendicular to the axial direction of said lead screw.

10. The sharpener apparatus of claim 9 further comprising a feed control portion disposed at a predetermined location of the path of travel of the sharpener device, the feed control portion contacting the steering control portion and driving the lead screw to rotate in a direction that moves the sharpener base away from the base when the sharpener device reaches the predetermined location.

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