CN213531865U

CN213531865U - Device for grinding cutting edges of circular arc concave surface of manual knife on two sides

Info

Publication number: CN213531865U
Application number: CN202022298909.3U
Authority: CN
Inventors: 洪岗
Original assignee: Wuyuan Julong Precision Tool Co ltd
Current assignee: Wuyuan Julong Precision Tool Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-25
Anticipated expiration: 2030-10-15

Abstract

The utility model belongs to sharpen mouth equipment field, especially, two-sided device that grinds blade of manual sword circular arc concave surface, comprises a workbench, the top of workstation is rotated and is installed the emery wheel that two symmetries set up, the top fixed mounting of workstation has the connecting box, fixed mounting has the rotating electrical machines on the bottom inner wall of connecting box, fixed mounting has the horizontal pole on the output shaft of rotating electrical machines, top one side fixed mounting of horizontal pole has the catch bar, slidable mounting has same removal seat on the both sides inner wall of connecting box, the first hole has been seted up on removing the seat, and the catch bar is installed at first downthehole, one side fixed mounting of removing the seat has the one end of the connecting rod that two symmetries set up, the other end of two connecting rods extends to the outside of connecting box and fixed mounting. The utility model relates to a rationally, be convenient for fix the cutter, and be convenient for control reciprocal to the cutter to be convenient for grind the blade to the cutter through the emery wheel.

Description

Device for grinding cutting edges of circular arc concave surface of manual knife on two sides

Technical Field

The utility model relates to a sharpen mouth equipment technical field especially relates to a device of two-sided mill blade of manual sword circular arc concave surface.

Background

The metal working of hand tool, especially abrasive machining are especially important, and the double-sided sharpedge grinding machine who uses at present, through the retrieval, the patent document that the publication number is CN110524320A discloses a device that is used for the double-sided grinding blade of hand tool circular arc concave surface, including the frame, the frame on be equipped with the part of polishing, the part of polishing include two along frame axial lead symmetry and with frame swing joint's emery wheel, the contained angle between the central line of two emery wheels and the central line of frame is the acute angle respectively, the emery wheel top be equipped with the face of polishing, the frame on still be equipped with thereby can be close to or keep away from the fixed part of the part of polishing along frame horizontal direction front and back repetitious movement. The invention has the advantages that the included angle between the central line of the two grinding wheels and the central line of the machine base is an acute angle, according to the principle that the two grinding wheels use the concave folding grinding of the external diameter circle of the grinding wheel, the grinding wheel compensation can be automatically carried out after each grinding, the grinding consistency is improved, the error generated by manual compensation is avoided, and the defects that the concavity of the grinding wheel is different, the feeding amount is different and the like after the external diameter of the grinding wheel is reduced are overcome.

However, the design has the defects that the cutter is troublesome to fix and is inconvenient to reciprocate leftwards and rightwards, so that the sharpening efficiency is poor, and the device for sharpening the circular arc concave surface double-sided edge of the manual cutter is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the cutter among the prior art and fixed more troublesome, and be not convenient for about reciprocating motion to the cutter for the shortcoming that sharpening efficiency is poor, and the device of the two-sided blade of grinding of manual sword circular arc concave surface that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the device for grinding the cutting edge of the circular arc concave surface of the manual knife on two sides comprises a workbench, wherein two symmetrically arranged grinding wheels are rotatably arranged at the top of the workbench, a connecting box is fixedly arranged at the top of the workbench, a rotating motor is fixedly arranged on the inner wall of the bottom of the connecting box, a cross rod is fixedly arranged on an output shaft of the rotating motor, a push rod is fixedly arranged on one side of the top of the cross rod, the inner walls of two sides of the connecting box are slidably arranged with a same moving seat, a first hole is arranged on the moving seat, the push rod is arranged in the first hole, one end of two symmetrically arranged connecting rods is fixedly arranged on one side of the moving seat, the other end of the two connecting rods extends to the outer side of the connecting box and is fixedly arranged with a same fixed seat, a first groove is arranged on one side of the fixed seat, a second groove is arranged on, the other end of lead screw extends to the outside of fixing base and fixed mounting has the commentaries on classics board, and slidable mounting has the clamp plate of two symmetry settings in the second inslot, and the clamp plate extends to first inslot, has placed the cutter in the first inslot, and clamp plate and cutter looks adaptation, cutter and emery wheel looks adaptation.

Preferably, all seted up the spacing groove on the both sides inner wall of connecting-box, the equal fixed mounting in both sides of removing the seat has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds can make to remove the seat and carry out stable removal.

Preferably, the screw rod is provided with two external threads with opposite rotation directions, the pressing plate is provided with a communicating hole, the inner wall of the communicating hole is provided with an internal thread, and the external threads are meshed with the corresponding internal threads.

Preferably, the sliding grooves symmetrically arranged are formed in the inner walls of the two sides of the second groove, sliding seats are fixedly arranged on the two sides of the pressing plate, and the sliding seats are connected with the corresponding sliding grooves in a sliding mode, so that the pressing plate can move stably.

Preferably, two symmetrically-arranged moving holes are formed in the inner wall of one side of the connecting box, and the connecting rod is connected with the corresponding moving holes in a sliding mode.

In the utility model, when the device for double-sided grinding of the arc concave surface of the manual knife is used for double-sided grinding of the arc concave surface of the manual knife, one end of the knife is placed in the first groove, the rotating plate can drive the lead screw to move by rotating the rotating plate, the lead screw is provided with two external threads with opposite rotating directions, the rotating plate can drive the pressing plate to move by rotating the lead screw, the two pressing plates can move in the directions close to each other, and the pressing plate can fix the knife;

through drive rotating electrical machines and emery wheel, rotating electrical machines can drive horizontal pole and catch bar through the output shaft and rotate, reciprocating motion about the removal seat that the rotation of catch bar can pass through first hole carries out, and the removal of removing the seat can drive the connecting rod and drive fixing base and cutter and carry out reciprocating motion about for the cutter carries out reciprocating motion between two emery wheels, can grind the blade to the cutter through the emery wheel.

The utility model relates to a rationally, be convenient for fix the cutter, and be convenient for control reciprocal to the cutter to be convenient for grind the blade to the cutter through the emery wheel.

Drawings

FIG. 1 is a schematic structural view of a device for grinding the cutting edge of the circular arc concave surface of the manual knife on both sides, which is provided by the utility model;

FIG. 2 is a schematic structural view of part A of the device for grinding the cutting edge of the circular arc concave surface of the manual knife on both sides, which is provided by the utility model;

fig. 3 is a schematic structural diagram of part B of the device for double-side grinding of the arc concave surface of the manual knife provided by the utility model.

In the figure: 1. a work table; 2. a grinding wheel; 3. a connecting box; 4. a rotating electric machine; 5. a cross bar; 6. a movable seat; 7. a first hole; 8. a push rod; 9. a connecting rod; 10. a fixed seat; 11. a first groove; 12. a second groove; 13. a screw rod; 14. rotating the plate; 15. pressing a plate; 16. and (4) a cutter.

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.

Referring to fig. 1-3, the device for grinding the cutting edge on the two sides of the arc concave surface of the manual knife comprises a workbench 1, two symmetrical grinding wheels 2 are rotatably installed on the top of the workbench 1, a connecting box 3 is fixedly installed on the top of the workbench 1, a rotating motor 4 is fixedly installed on the inner wall of the bottom of the connecting box 3, a cross rod 5 is fixedly installed on the output shaft of the rotating motor 4, a push rod 8 is fixedly installed on one side of the top of the cross rod 5, the same moving seat 6 is slidably installed on the inner walls of the two sides of the connecting box 3, a first hole 7 is formed on the moving seat 6, the push rod 8 is installed in the first hole 7, one side of the moving seat 6 is fixedly installed with one ends of two symmetrical connecting rods 9, the other ends of the two connecting rods 9 extend to the outer side of the connecting box 3 and is fixedly installed with the same fixed seat 10, a first groove 11 is formed on one side, one end of a screw rod 13 is rotatably mounted on the inner wall of one side of the second groove 12, the other end of the screw rod 13 extends to the outer side of the fixed seat 10 and is fixedly provided with a rotating plate 14, two pressing plates 15 which are symmetrically arranged are slidably mounted in the second groove 12, the pressing plates 15 extend into the first groove 11, a cutter 16 is placed in the first groove 11, the pressing plates 15 are matched with the cutter 16, and the cutter 16 is matched with the grinding wheel 2.

In this embodiment, all seted up the spacing groove on the both sides inner wall of connecting-box 3, the equal fixed mounting in both sides of removing seat 6 has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds can make and remove seat 6 and carry out stable removal.

In this embodiment, the screw rod 13 is provided with two external threads with opposite rotation directions, the pressing plate 15 is provided with a communicating hole, the inner wall of the communicating hole is provided with an internal thread, and the external threads are meshed with the corresponding internal threads.

In this embodiment, the sliding grooves that two symmetries set up are all seted up on the both sides inner wall of second groove 12, and the equal fixed mounting in both sides of clamp plate 15 has the sliding seat, and sliding seat and the sliding groove sliding connection that corresponds can make clamp plate 15 carry out stable removal.

In this embodiment, two symmetrically-arranged moving holes are formed in the inner wall of one side of the connecting box 3, and the connecting rod 9 is slidably connected with the corresponding moving holes.

In the utility model, when the cutting edge is ground on the circular arc concave surface of the hand knife by double-sided grinding, firstly, one end of a knife 16 is placed in a first groove 11, the rotating plate 14 can drive a screw rod 13 to move by rotating the rotating plate 14, the screw rod 13 is provided with two external threads with opposite rotating directions, the rotating of the screw rod 13 can drive a pressing plate 15 to move, and the two pressing plates 15 can move towards the directions close to each other, the pressing plate 15 can fix the knife 16, the rotating motor 4 can drive a cross rod 5 and a push rod 8 to rotate by an output shaft by driving the rotating motor 4 and a grinding wheel 2, the rotating of the push rod 8 can drive a moving seat 6 with a first hole 7 to reciprocate from side to side, the moving seat 6 can drive a connecting rod 9 to drive a fixed seat 10 and the knife 16 to reciprocate from side to side, so that the knife 16 can reciprocate between the two grinding wheels 2, the tool 16 can be edged by the grinding wheel 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The device for double-sided grinding of the cutting edge of the circular arc concave surface of the manual knife comprises a workbench (1) and is characterized in that two grinding wheels (2) which are symmetrically arranged are rotatably installed at the top of the workbench (1), a connecting box (3) is fixedly installed at the top of the workbench (1), a rotating motor (4) is fixedly installed on the inner wall of the bottom of the connecting box (3), a cross rod (5) is fixedly installed on an output shaft of the rotating motor (4), a push rod (8) is fixedly installed on one side of the top of the cross rod (5), the same moving seat (6) is slidably installed on the inner walls of two sides of the connecting box (3), a first hole (7) is formed in the moving seat (6), the push rod (8) is installed in the first hole (7), one ends of two connecting rods (9) which are symmetrically arranged are fixedly installed on one side of the moving seat (6), the other ends of the two connecting rods (9) extend to the outer side of the connecting, first groove (11) have been seted up to one side of fixing base (10), second groove (12) have been seted up on one side inner wall of first groove (11), rotate the one end of installing lead screw (13) on the one side inner wall of second groove (12), the other end of lead screw (13) extends to the outside and fixed mounting of fixing base (10) has commentaries on classics board (14), slidable mounting has clamp plate (15) that two symmetries set up in second groove (12), and clamp plate (15) extend to in first groove (11), cutter (16) have been placed in first groove (11), and clamp plate (15) and cutter (16) looks adaptation, cutter (16) and emery wheel (2) looks adaptation.

2. The device for grinding the cutting edge of the circular arc concave surface of the manual knife according to claim 1, wherein the inner walls of the two sides of the connecting box (3) are respectively provided with a limiting groove, the two sides of the movable seat (6) are respectively and fixedly provided with a limiting seat, and the limiting seats are in sliding connection with the corresponding limiting grooves.

3. The device for grinding the cutting edge of the circular-arc concave surface of the hand knife on the two sides as claimed in claim 1, wherein the screw rod (13) is provided with two external threads with opposite rotation directions, the pressing plate (15) is provided with a communicating hole, the inner wall of the communicating hole is provided with an internal thread, and the external threads are meshed with the corresponding internal threads.

4. The device for grinding the cutting edge of the circular-arc concave double-sided surface of the manual knife according to claim 1, wherein two symmetrically arranged sliding grooves are formed in the inner walls of the two sides of the second groove (12), sliding seats are fixedly arranged on the two sides of the pressing plate (15), and the sliding seats are in sliding connection with the corresponding sliding grooves.

5. The device for grinding the cutting edge of the circular-arc concave surface of the manual knife according to claim 1, wherein two symmetrically arranged moving holes are formed in the inner wall of one side of the connecting box (3), and the connecting rod (9) is in sliding connection with the corresponding moving holes.