CN211163168U - Edge of a knife grinding device for riving knife - Google Patents

Abstract

The utility model discloses a knife edge grinding device for a riving knife, which comprises a support base, an electric telescopic rod and a clamping block. A first fixing plate is installed above the support base, and sliding grooves are provided on both sides of the surface of the worktable. , a first servo motor is installed inside the motor housing, the output end of the first servo motor is connected with a gear plate, the inner wall of the worktable outside the gear plate is provided with a rack, and the electric telescopic rod penetrates through the The chute is connected with the motor shell; the upper surface of the worktable inside the chute is provided with a grinding stone, the output end of the second servo motor is connected through the bearing frame and the clamping block, and the interior of the clamping block is fixed There is a first fixing plate. The knife edge grinding device for riving knives is provided with a second servo motor, a bearing frame and a clamping block. Under the action of the second servo motor, it is convenient to adjust the rotation angle of the first fixed plate through the clamping block, so as to achieve the adjustment between the cutter and the grinding stone. The inclination angle between them can improve the grinding effect.

Description

A kind of knife edge grinding device for riving knife

technical field

The utility model relates to the technical field of a riving knife grinding device, in particular to a knife edge grinding device for a riving knife.

Background technique

Knife edge grinding device is a kind of surface modification technology of knives. It generally refers to a processing method that changes the physical properties of the surface of the knife edge by friction with the help of rough objects (sandpaper or grinding stone with higher hardness particles). The main purpose is to In order to obtain the roughness of the surface of the knife edge, for the riving knife with a thicker back, the grinding of the riving knife edge needs to be ground by the traditional manual grinding principle.

Although there are many types and quantities of knife edge grinding devices on the market at present, the knife edge grinding device for riving knives has the following shortcomings: the volume of the riving knife is generally relatively large, and the traditional grinding device is not convenient for the fixing and angle adjustment of the riving knife. The contact area of the whetstone is small, which makes it inconvenient to grind it as a whole. Therefore, it is necessary to improve the current cutting edge grinding device for riving knives.

Utility model content

The purpose of this utility model is to provide a kind of knife edge grinding device for riving knife, the volume of the riving knife on the current market proposed to solve the above-mentioned background technology is generally relatively large, the traditional grinding device is inconvenient for the fixing and the angle adjustment of the riving knife, the knife edge The contact area with the whetstone is small, which is inconvenient for overall grinding.

In order to achieve the above object, the utility model provides the following technical solutions: a knife edge grinding device for a riving knife, comprising a support base, an electric telescopic rod and a clamping block, and a first fixing plate is installed above the support base, wherein,

One side of the support base is provided with an operation panel, the upper surface of the support base is provided with a worktable, two sides of the surface of the worktable are provided with chute, and a motor is provided inside the worktable at the bottom of the chute A first servo motor is installed inside the motor casing, a gear plate is connected to the output end of the first servo motor, a rack is arranged on the inner wall of the worktable outside the gear plate, and the motor casing has two parts. The inner wall of the side worktable is provided with a roller groove, and a roller is installed inside the roller groove, and the roller is installed on both sides of the motor shell, and the electric telescopic rod passes through the chute and is connected to the motor shell;

The upper surface of the worktable inside the chute is provided with a grinding stone, the upper end of the electric telescopic rod is connected with a support frame, the upper end of the support frame is installed with a second servo motor, and the output end of the second servo motor penetrates and The bearing frame is connected with the clamping block, the bearing frame is installed on the surface of the support frame on one side of the second servo motor, the interior of the clamping block is fixed with a first fixing plate, and the bottom of the first fixing plate is provided with a knife groove , a second fixing plate is installed on one side of the knife groove.

Preferably, a hollow groove structure is arranged below the corresponding chute at both ends of the worktable, and its internal size is adapted to the volume shell of the motor.

Preferably, the motor housing is connected by rolling between the rollers symmetrically arranged on both sides and the roller grooves, and the roller grooves are parallel to each other on both sides of the chute.

Preferably, the tooth profiles between the gear plate and the rack are meshed with each other, and the racks are symmetrically distributed on the inner wall of the worktable on both sides of the gear plate.

Preferably, the electric telescopic rod, the support frame, the second servo motor, the bearing frame and the clamping block constitute a support structure, and the support structure is symmetrically arranged with two groups about the center line of the first fixing plate.

Preferably, the first fixing plate constitutes a rotating structure through a clamping block and a second servo motor, and the first fixing plate constitutes a lifting structure under the action of an electric telescopic rod.

Compared with the prior art, the beneficial effects of the present utility model are: the knife edge grinding device for the riving knife:

1. A motor casing and a first servo motor are provided, and the meshing between the gear plate and the rack connected by the motor casing through the first servo motor can drive the motor casing along with the rotation of the first servo motor. The rack moves horizontally, and at the same time, the rollers and roller grooves set at the bottom of the motor housing reduce the frictional resistance of the motor housing movement and facilitate the horizontal movement of the motor housing, thereby driving the electric telescopic rod connected above the motor housing to slide. move in the slot;

2. Equipped with an electric telescopic rod and a support frame, under the lifting action of the electric telescopic rod, it is convenient to adjust the height of the first fixed plate, so as to adjust the gap between the knife to be polished and the grinding stone in the knife groove at the bottom of the first fixed plate. Because the tool is laterally fixed in the kerf, the contact area between the tool and the grinding stone is increased, which facilitates the simultaneous grinding of the entire knife edge and improves the grinding effect;

3. A second servo motor, a bearing frame and a clamping block are provided. Under the action of the second servo motor, it is convenient to adjust the rotation angle of the first fixed plate through the clamping block, so as to adjust the inclination angle between the tool and the grinding stone. Improve the grinding effect.

Description of drawings

Fig. 1 is the structural representation of knife edge grinding device for riving knife of the present utility model;

Fig. 2 is the front view internal structure schematic diagram of knife edge grinding device for riving knife of the present utility model;

FIG. 3 is a schematic diagram of a partially enlarged structure at the position A in FIG. 2 of the knife edge grinding device for a riving knife of the present invention.

In the picture: 1. Support base, 2. Operation panel, 3. Workbench, 4. Chute, 5. Motor housing, 6. First servo motor, 7. Gear plate, 8. Rack, 9. Roller groove , 10, roller, 11, electric telescopic rod, 12, grinding stone, 13, support frame, 14, second servo motor, 15, bearing frame, 16, clip, 17, first fixed plate, 18, knife groove, 19. The second fixing plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a knife edge grinding device for a riving knife, comprising a support base 1, an operation panel 2, a worktable 3, a chute 4, a motor shell 5, a first servo Motor 6, gear plate 7, rack 8, roller groove 9, roller 10, electric telescopic rod 11, grinding stone 12, support frame 13, second servo motor 14, bearing frame 15, clamping block 16, first fixing plate 17 , a knife slot 18 and a second fixing plate 19, a first fixing plate 17 is installed above the support base 1, wherein,

One side of the support base 1 is provided with an operation panel 2, and the operation panel 2 is electrically connected with the first servo motor 6, the electric telescopic rod 11 and the second servo motor 14. The upper surface of the support base 1 is provided with There is a workbench 3, the two ends of the workbench 3 are provided with a hollow groove structure corresponding to the lower part of the chute 4, and the internal size of the workbench 3 is adapted to the volume of the motor shell 5, and the two ends of the workbench 3 are provided with a hollow groove structure to facilitate the installation of electric motors. The casing 5 and its corresponding transmission components, the two sides of the surface of the worktable 3 are provided with chute 4, the worktable 3 at the bottom of the chute 4 is provided with a motor shell 5, and the motor shell 5 passes through The rolling connection between the rollers 10 symmetrically arranged on both sides and the roller grooves 9, and the roller grooves 9 are parallel to each other on both sides of the chute 4, and the motor housing 5 is convenient to roll in the roller grooves 9 through the rollers 10 on both sides, which is relatively The friction force of the movement of the small motor casing 5, the first servo motor 6 is installed inside the motor casing 5, the output end of the first servo motor 6 is connected with a gear plate 7, and the gear plate 7 is connected to the rack. The tooth shapes between 8 mesh with each other, and the racks 8 are symmetrically distributed on the inner wall of the table 3 on both sides of the gear plate 7. When the first servo motor 6 drives the gear plate 7 to rotate, the first servo motor 6 drives the motor shell. 5 moves along the rack 8, thereby driving the electric telescopic rod 11 and the first fixing plate 17 connected above the motor shell 5 to move. The inner wall of the table 3 outside the gear plate 7 is provided with a rack 8. The inner wall of the table 3 on both sides of the motor housing 5 is provided with roller grooves 9, the roller grooves 9 are installed with rollers 10 inside, the rollers 10 are installed on both sides of the motor housing 5, and the electric telescopic rods 11 pass through. The chute 4 is connected with the motor housing 5 , the electric telescopic rod 11 , the support frame 13 , the second servo motor 14 , the bearing frame 15 and the clamping block 16 constitute a support structure, and the support structure is related to the first fixing plate 17 There are two groups symmetrically arranged on the center line, and the supporting function of the first fixing plate 17 is realized through the supporting structure;

The upper surface of the table 3 inside the chute 4 is provided with a grinding stone 12 , the upper end of the electric telescopic rod 11 is connected with a support frame 13 , and a second servo motor 14 is installed on the upper end of the support frame 13 . The output end of the servo motor 14 is connected through the bearing frame 15 and the clamping block 16 , the bearing frame 15 is installed on the surface of the support frame 13 on the side of the second servo motor 14 , and the inner part of the clamping block 16 is fixed with a first fixing block 16 . Plate 17, the first fixed plate 17 constitutes a rotating structure through the clamping block 16 and the second servo motor 14, and the first fixed plate 17 constitutes a lifting structure under the action of the electric telescopic rod 11, and the second servo motor 14 rotates to work It is convenient to adjust the rotation angle of the first fixed plate 17, and at the same time, under the lifting action of the electric telescopic rod 11, the contact distance between the tool and the grinding stone 12 is adjusted to improve the efficiency of knife edge grinding. A knife groove 18 is provided below, and a second fixing plate 19 is installed on one side of the knife groove 18 .

Working principle: When using the knife edge grinding device for riving knives, first, place the support base 1 of the device on the work site stably, then turn on the power of the device, and control the operation of the device through the operation panel 2. When grinding the riving knife edge, adjust the electric telescopic rod 11 to rise, thereby pushing the height of the first fixing plate 17 to rise, and then start the second servo motor 14 to work to adjust the rotation angle of the first fixing plate 17, so that the first fixing plate 17 The knife groove 18 at the bottom is rotated until the front of the device is inclined, and then the screws at both ends of the second fixing plate 19 are first removed, and then the tool to be sharpened is placed in the knife groove 18, so that the edge to be sharpened is facing down. The fixing plate 19 is installed, and the tool is fixed in the slot 18, and then the knife edge can be ground. During the knife edge grinding process, the inclination angle of the tool is also adjusted by the second servo motor 14, and the tool and grinding are adjusted by the electric telescopic rod 11. The stone 12 is in contact, and then the first servo motor 6 drives the gear plate 7 to reciprocate relative to the rack 8, so that the first fixed plate 17 can drive the cutter to move back and forth on the surface of the grinding stone 12 to complete the grinding of the knife edge. The content described in detail belongs to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (6)

1. a knife edge grinding device for a riving knife, comprising a support base (1), an electric telescopic rod (11) and a clamping block (16), it is characterized in that: the top of the support base (1) is equipped with a first fixing plate (17), where, An operation panel (2) is provided on one side of the support base (1), a workbench (3) is provided on the upper surface of the support base (1), and slides are provided on both sides of the surface of the workbench (3). A slot (4), a motor housing (5) is arranged inside the worktable (3) at the bottom of the chute (4), and a first servo motor (6) is installed inside the motor housing (5), so A gear plate (7) is connected to the output end of the first servo motor (6), a rack (8) is arranged on the inner wall of the worktable (3) outside the gear plate (7), and the motor housing (5) The inner walls of the workbenches (3) on both sides are provided with roller grooves (9), and rollers (10) are installed inside the roller grooves (9), and the rollers (10) are installed on both sides of the motor housing (5). , the electric telescopic rod (11) is connected to the motor casing (5) through the chute (4); The upper surface of the worktable (3) inside the chute (4) is provided with a grinding stone (12), the upper end of the electric telescopic rod (11) is connected with a support frame (13), and the upper end of the support frame (13) A second servo motor (14) is installed, and the output end of the second servo motor (14) is connected through the bearing frame (15) and the clamping block (16), and the bearing frame (15) is installed on the second servo motor On the surface of the support frame (13) on one side of the motor (14), a first fixing plate (17) is fixed inside the clamping block (16), and a knife slot (18) is arranged below the first fixing plate (17). ), a second fixing plate (19) is installed on one side of the knife groove (18). 2. a kind of knife edge grinding device for riving knife according to claim 1 is characterized in that: the bottom of the corresponding chute (4) of the two ends of the working table (3) is provided with a hollow groove structure, and its internal size is the same as that of the hollow groove structure. The volume of the motor housing (5) is adapted. 3. A kind of knife edge grinding device for riving knives according to claim 1, is characterized in that: described motor shell (5) passes through the roller (10) symmetrically arranged on both sides thereof and the roller groove (9) between Rolling connection, and the roller grooves (9) are parallel to each other on both sides of the chute (4). 4. The knife edge grinding device for a riving knife according to claim 1, wherein the tooth shape between the gear plate (7) and the rack (8) meshes with each other, and the rack (8) is symmetrical The inner walls of the workbench (3) are distributed on both sides of the gear plate (7). 5. A kind of knife edge grinding device for riving knife according to claim 1, is characterized in that: described electric telescopic rod (11), support frame (13), second servo motor (14), bearing frame (15) A support structure is formed with the clamping block (16), and two groups of the support structure are symmetrically arranged with respect to the center line of the first fixing plate (17). 6. The knife edge grinding device for a riving knife according to claim 1, characterized in that: the first fixed plate (17) constitutes a rotating structure by a clamping block (16) and a second servo motor (14), and The first fixing plate (17) constitutes a lifting structure under the action of the electric telescopic rod (11).

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