CN211163168U

CN211163168U - Edge of a knife grinding device for riving knife

Info

Publication number: CN211163168U
Application number: CN201921376862.9U
Authority: CN
Inventors: 张志强
Original assignee: Matfron (shanghai) Semiconductor Technology Co ltd
Current assignee: Matfron (shanghai) Semiconductor Technology Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-08-04
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a knife edge polishing device for a chopper, which comprises a supporting base, an electric telescopic rod and a fixture block, wherein a first fixed plate is installed above the supporting base, sliding grooves are formed in two sides of the surface of a workbench, a first servo motor is installed inside a motor shell, the output end of the first servo motor is connected with a gear disc, a rack is arranged on the inner wall of the workbench outside the gear disc, and the electric telescopic rod penetrates through the sliding grooves and is connected with the motor shell; the upper surface of the workbench on the inner side of the sliding groove is provided with a grinding stone, the output end of the second servo motor penetrates through the bearing frame to be connected with the clamping block, and a first fixing plate is fixed inside the clamping block. This edge of a knife grinding device for riving knife is provided with second servo motor, bearing bracket and fixture block, under second servo motor's effect, is convenient for adjust the rotation angle of first fixed plate through the fixture block to reach the inclination between adjustment cutter and the stone of polishing, improve the effect of polishing.

Description

Edge of a knife grinding device for riving knife

Technical Field

The utility model relates to a chopper grinding device technical field specifically is a knife edge grinding device for chopper.

Background

A knife edge grinding device, which is one of knife surface modification technologies, generally refers to a processing method for changing the physical properties of a knife edge surface by friction with the aid of a rough object (sand paper or grinding stone containing particles with higher hardness, etc.), and mainly aims to obtain the roughness of the knife edge surface and a cleaver with a thicker knife back; in other words, the cleaver edge needs to be polished by using the traditional manual knife sharpening principle.

Although the types and the number of the knife edge grinding devices on the market are very large, the knife edge grinding device for the riving knife has the following defects: the volume of the chopper is generally larger, the traditional grinding device is inconvenient for fixing and angle adjustment of the chopper, the contact area of a knife edge and a knife stone is smaller, and integral grinding is inconvenient for the chopper, so that the existing knife edge grinding device for the chopper needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knife edge grinding device for chopper to solve the volume of the chopper on the existing market that above-mentioned background art provided generally bigger, traditional grinding device is not convenient for the fixed of chopper and angle modulation, and the edge of a knife is less with whetstone area of contact, is not convenient for carry out holistic problem of polishing to it.

In order to achieve the above object, the utility model provides a following technical scheme: a knife edge polishing device for a riving knife comprises a supporting base, an electric telescopic rod and a clamping block, wherein a first fixing plate is arranged above the supporting base,

an operation panel is arranged on one side of the supporting base, a workbench is arranged on the upper surface of the supporting base, sliding grooves are formed in two sides of the surface of the workbench, a motor shell is arranged inside the workbench at the bottom of the sliding grooves, a first servo motor is arranged inside the motor shell, the output end of the first servo motor is connected with a gear disc, a rack is arranged on the inner wall of the workbench outside the gear disc, roller grooves are formed in the inner wall of the workbench on two sides of the motor shell, rollers are arranged inside the roller grooves and are arranged on two sides of the motor shell, and the electric telescopic rod penetrates through the sliding grooves and is connected with the motor shell;

the upper surface of the workbench on the inner side of the sliding groove is provided with a grinding stone, the upper end of the electric telescopic rod is connected with a support frame, a second servo motor is installed at the upper end of the support frame, the output end of the second servo motor penetrates through the support frame and is connected with a clamping block, the support frame is installed on the surface of the support frame on one side of the second servo motor, a first fixing plate is fixed inside the clamping block, a tool groove is formed in the lower portion of the first fixing plate, and a second fixing plate is installed on one side of the tool groove.

Preferably, the lower part of the sliding groove corresponding to the two ends of the workbench is of a hollow groove structure, and the inner size of the workbench is matched with the volume shell of the motor.

Preferably, the motor casing is connected with the roller grooves in a rolling manner through rollers symmetrically arranged on two sides of the motor casing, and the roller grooves are parallel to each other on two sides of the sliding groove.

Preferably, the gear disc and the racks are meshed with each other in tooth form, and the racks are symmetrically distributed on the inner walls of the workbench on two sides of the gear disc.

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

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

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

1. the motor shell and the first servo motor are arranged, the motor shell can be driven to horizontally move along the rack under the condition that the first servo motor rotates due to the meshing between the gear disc and the rack which are connected with the motor shell through the first servo motor, and meanwhile, the roller and the roller groove are formed in the bottom of the motor shell, so that the friction resistance of the movement of the motor shell is reduced, the horizontal movement of the motor shell is facilitated, and an electric telescopic rod connected above the motor shell is driven to move in the sliding groove;

2. the electric telescopic rod and the supporting frame are arranged, the height of the first fixing plate can be conveniently adjusted under the lifting action of the electric telescopic rod, so that the distance between a tool to be polished and a polishing stone in a tool groove at the bottom of the first fixing plate can be adjusted, the tool is transversely fixed in the tool groove, the contact area between the tool and the polishing stone is increased, the whole tool edge can be conveniently polished simultaneously, and the polishing effect is improved;

3. be provided with second servo motor, bearing bracket and fixture block, under second servo motor's effect, be convenient for adjust the rotation angle of first fixed plate through the fixture block to reach the inclination between adjustment cutter and the stone of polishing, improve the effect of polishing.

Drawings

FIG. 1 is a schematic structural view of a knife edge polishing device for a chopper of the present invention;

FIG. 2 is a schematic view of the internal structure of the knife edge polishing device for the chopper;

fig. 3 is a schematic view of a local enlarged structure at a position a in fig. 2 of the knife edge polishing device for the riving knife of the utility model.

In the figure: 1. support base, 2, operating panel, 3, workstation, 4, spout, 5, motor casing, 6, first servo motor, 7, toothed disc, 8, rack, 9, roller groove, 10, gyro wheel, 11, electric telescopic handle, 12, the stone of polishing, 13, support frame, 14, second servo motor, 15, bearing bracket, 16, fixture block, 17, first fixed plate, 18, sword groove, 19, second fixed plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a knife edge polishing device for a riving knife comprises a supporting base 1, an operating panel 2, a workbench 3, a sliding chute 4, a motor shell 5, a first servo motor 6, a gear disc 7, a rack 8, a roller groove 9, a roller 10, an electric telescopic rod 11, a polishing stone 12, a supporting frame 13, a second servo motor 14, a bearing frame 15, a clamping block 16, a first fixing plate 17, a knife groove 18 and a second fixing plate 19, wherein the first fixing plate 17 is installed above the supporting base 1,

an operation panel 2 is arranged on one side of the support base 1, the operation panel 2 is electrically connected with a first servo motor 6, an electric telescopic rod 11 and a second servo motor 14, a workbench 3 is arranged on the upper surface of the support base 1, a hollow groove structure is arranged below the sliding groove 4 at the two ends of the workbench 3, the internal size of the hollow groove structure is matched with the volume of the motor shell 5, the motor shell 5 and a corresponding transmission component are conveniently installed by arranging the hollow groove structure at the two ends of the workbench 3, the sliding groove 4 is arranged at the two sides of the surface of the workbench 3, the motor shell 5 is arranged inside the workbench 3 at the bottom of the sliding groove 4, the motor shell 5 is connected with the roller grooves 9 through the rollers 10 symmetrically arranged at the two sides of the motor shell 5, the roller grooves 9 are parallel to each other at the two sides of the sliding groove 4, and the motor shell 5 is convenient to roll in the roller grooves 9 through the, the friction force of the movement of the smaller motor shell 5 is smaller, a first servo motor 6 is installed inside the motor shell 5, the output end of the first servo motor 6 is connected with a gear disc 7, the gear shapes between the gear disc 7 and a rack 8 are meshed with each other, the rack 8 is symmetrically distributed on the inner walls of the workbenches 3 on two sides of the gear disc 7, when the first servo motor 6 drives the gear disc 7 to rotate, the first servo motor 6 drives the motor shell 5 to move along the rack 8, so as to drive an electric telescopic rod 11 and a first fixing plate 17 connected above the motor shell 5 to move, the rack 8 is arranged on the inner wall of the workbench 3 outside the gear disc 7, roller grooves 9 are formed in the inner walls of the workbenches 3 on two sides of the motor shell 5, rollers 10 are installed inside the roller grooves 9, the rollers 10 are installed on two sides of the motor shell 5, and the electric telescopic rod 11 penetrates through the sliding grooves 4 to be connected with, the electric telescopic rod 11, the supporting frame 13, the second servo motor 14, the bearing frame 15 and the fixture block 16 form a supporting structure, two groups of supporting structures are symmetrically arranged on the center line of the first fixing plate 17, and the supporting effect on the first fixing plate 17 is realized through the supporting structure;

the upper surface of the workbench 3 on the inner side of the sliding groove 4 is provided with a grinding stone 12, the upper end of the electric telescopic rod 11 is connected with a support frame 13, the upper end of the support frame 13 is provided with a second servo motor 14, the output end of the second servo motor 14 penetrates through a bearing frame 15 to be connected with a clamping block 16, the bearing frame 15 is arranged on the surface of the support frame 13 on one side of the second servo motor 14, a first fixing plate 17 is fixed inside the clamping block 16, the first fixing plate 17 forms a rotating structure through the clamping block 16 and the second servo motor 14, the first fixing plate 17 forms a lifting structure under the action of the electric telescopic rod 11, when the second servo motor 14 rotates to work, the rotating angle of the first fixing plate 17 is convenient to adjust, and meanwhile, under the lifting action of the electric telescopic rod 11, the contact distance between a cutter and the grinding stone 12 is adjusted, so that the, a knife groove 18 is arranged below the first fixing plate 17, and a second fixing plate 19 is arranged on one side of the knife groove 18.

The working principle is as follows: when the knife edge grinding device for the riving knife is used, firstly, a supporting base 1 of the device is stably placed in a working place, then a power supply of the device is switched on, the operation of the device is controlled through an operation panel 2, when the knife edge of the riving knife needs to be ground, an electric telescopic rod 11 is adjusted to ascend, so that the height of a first fixing plate 17 is pushed to ascend, then, a second servo motor 14 is started to work, the rotating angle of the first fixing plate 17 is adjusted, so that a knife groove 18 at the bottom of the first fixing plate 17 rotates to the front side of the device to incline, then, screws at two ends of a second fixing plate 19 are detached, then a knife needing to be ground is placed in the knife groove 18, so that a knife edge to be ground faces downwards, the second fixing plate 19 is installed, the knife is fixed in the knife groove 18, then the knife edge can be ground, and in the knife edge grinding process, the inclining angle of the, the electric telescopic rod 11 is used for adjusting the cutter to be in contact with the grinding stone 12, and then the first servo motor 6 drives the gear disc 7 to rotate in a reciprocating mode relative to the rack 8, so that the first fixing plate 17 can drive the cutter to move in a reciprocating mode on the surface of the grinding stone 12, and grinding of a knife edge is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a knife edge grinding device for riving knife, includes support base (1), electric telescopic handle (11) and fixture block (16), its characterized in that: a first fixing plate (17) is arranged above the supporting base (1), wherein,

an operation panel (2) is arranged on one side of the supporting base (1), a workbench (3) is arranged on the upper surface of the supporting base (1), sliding grooves (4) are formed in two sides of the surface of the workbench (3), a motor shell (5) is arranged inside the workbench (3) at the bottom of the sliding grooves (4), a first servo motor (6) is arranged in the motor shell (5), the output end of the first servo motor (6) is connected with a gear disc (7), a rack (8) is arranged on the inner wall of the workbench (3) at the outer side of the gear disc (7), the inner wall of the workbench (3) at the two sides of the motor shell (5) is provided with a roller groove (9), the inside of the roller groove (9) is provided with rollers (10), the rollers (10) are arranged on two sides of the motor casing (5), the electric telescopic rod (11) penetrates through the sliding groove (4) and is connected with the motor shell (5);

the utility model discloses a grinding machine, including spout (4), workstation (3), electric telescopic handle (11), bearing frame (13), second servo motor (14) are installed to support frame (13) upper end, the output of second servo motor (14) runs through and is connected with fixture block (16) with bearing frame (15), bearing frame (15) are installed on support frame (13) surface of second servo motor (14) one side, the inside of fixture block (16) is fixed with first fixed plate (17), the below of first fixed plate (17) is provided with sword groove (18), second fixed plate (19) are installed to one side of sword groove (18).

2. The edge grinding device for a riving knife of claim 1 further comprising: the lower part of the two ends of the workbench (3) corresponding to the sliding grooves (4) is provided with a hollow groove structure, and the inner size of the workbench is matched with the volume of the motor shell (5).

3. The edge grinding device for a riving knife of claim 1 further comprising: the motor shell (5) is in rolling connection with the roller grooves (9) through rollers (10) symmetrically arranged on two sides of the motor shell, and the roller grooves (9) are parallel to each other on two sides of the sliding groove (4).

4. The edge grinding device for a riving knife of claim 1 further comprising: the gear disc (7) and the racks (8) are meshed with each other in tooth form, and the racks (8) are symmetrically distributed on the inner walls of the workbench (3) on two sides of the gear disc (7).

5. The edge grinding device for a riving knife of claim 1 further comprising: the electric telescopic rod (11), the supporting frame (13), the second servo motor (14), the bearing frame (15) and the clamping block (16) form a supporting structure, and two groups of the supporting structure are symmetrically arranged on the center line of the first fixing plate (17).

6. The edge grinding device for a riving knife of claim 1 further comprising: the first fixing plate (17) forms a rotating structure through a clamping block (16) and a second servo motor (14), and the first fixing plate (17) forms a lifting structure under the action of the electric telescopic rod (11).