CN215659312U

CN215659312U - Quick clamping device of knife sharpener cutter

Info

Publication number: CN215659312U
Application number: CN202120921447.8U
Authority: CN
Inventors: 王亮广
Original assignee: Qingdao Luomaite Industrial Equipment Co ltd
Current assignee: Qingdao Luomaite Industrial Equipment Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-01-28
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a quick clamping device for a knife of a knife grinder, which relates to the technical field of knife grinders and comprises a shell and a knife body arranged on the shell, wherein the upper end of the shell is fixedly connected with a connecting rod, the upper end of the knife body is fixedly connected with an installation block, two first fixing mechanisms used for fixing the knife body are arranged in the shell, each first fixing mechanism comprises two installation plates fixedly connected to the inner top of the shell, and the side walls of the two installation plates are rotatably connected with a rotating shaft. The tool clamping device is provided with the rotating block and the sliding block, the rotating block fixes two sides of the mounting block, and the sliding block clamps and fixes two sides of the tool, so that the device can clamp the tool more firmly and is not easy to loosen.

Description

Quick clamping device of knife sharpener cutter

Technical Field

The utility model relates to the technical field of knife sharpeners, in particular to a quick clamping device for a knife of a knife sharpener.

Background

The knife sharpener is mainly used for grinding metal equipment such as turning tools, drill bits, milling cutters, gravers, computer engraving machines, engraving milling machines, machining centers, CNC (computer numerical control), carving machines, ruling machines, marking machines and the like.

The existing knife sharpener needs to grind a machined object by using a cutter, the cutter can be worn or damaged after being used for a long time, so the cutter needs to be replaced and maintained regularly, the existing knife sharpener clamping device usually adopts a bolt and nut fixing mode to clamp and fix the cutter, a professional tool needs to be used for dismounting and mounting when the cutter is replaced, the work efficiency of replacing the cutter is greatly reduced, the replacement time is prolonged, great inconvenience is brought to a user, and therefore the problem needs to be solved by designing a quick knife sharpener clamping device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a quick clamping device for a knife of a knife grinder.

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

the utility model provides a quick clamping device of sharpedge grinding machine cutter, includes the casing and sets up the cutter body on the casing, casing upper end fixedly connected with connecting rod, cutter body upper end fixedly connected with installation piece, be equipped with two first fixed establishment that are used for fixed cutter body in the casing, first fixed establishment includes two mounting panels at fixed connection top in the casing, two the mounting panel lateral wall rotates and is connected with the pivot, the fixed cover of pivot lateral wall has connect the turning block, installation piece lateral wall is equipped with the spacing groove, the one end that the pivot was kept away from to the turning block stretches into the spacing inslot and rather than the bottom contact, the turning block passes through torsion spring and one of them mounting panel lateral wall elastic connection, be equipped with the second fixed establishment of two fixed cutter bodies in the casing.

Preferably, the second fixing mechanism is including setting up the fixed slot at the cutter body lateral wall, be equipped with the sliding block in the fixed slot, the sliding block lateral wall is equipped with the sliding tray, sliding connection has the slide bar in the sliding tray, slide bar one end run through the sliding tray lateral wall and with casing lateral wall fixed connection, the sliding block lateral wall passes through reset spring and casing lateral wall fixed connection, be equipped with two drive two turning block pivoted actuating mechanism in the casing.

Preferably, the driving mechanism comprises a moving block which is slidably connected to the side wall of the shell, a threaded rod penetrates through the upper end of the moving block and is in threaded connection with the moving block, the upper end of the threaded rod is rotatably connected with the top in the shell, a gear is fixedly sleeved on the side wall of the rotating shaft, and a toothed plate which is meshed with the gear is fixedly connected to the side wall of the moving block.

Preferably, two the threaded rod upper end all runs through the first conical gear of casing upper end and fixedly connected with, casing upper end fixedly connected with riser, two the riser lateral wall rotates jointly and is connected with the axis of rotation, the fixed cover of axis of rotation lateral wall has two second conical gear with first conical gear meshing, axis of rotation one end runs through one of them riser lateral wall and fixedly connected with hand wheel.

Preferably, the side wall of the moving block is rotatably connected with a pulley, and the upper end of the sliding block is provided with an inclined plane matched with the pulley.

Preferably, top fixedly connected with fixed block in the casing, installation piece upper end is equipped with the mounting groove, the fixed block lower extreme stretches into in the mounting groove.

The utility model has the following beneficial effects:

1. the device is provided with the first fixing mechanism, the two moving blocks move downwards under the limit of the side wall of the shell, the toothed plate drives the gears to rotate in the upward movement process, so that the rotating block rotates towards the direction close to the mounting block by taking the rotating shaft as a circle center, the upper end of the rotating block abuts against the upper end of the limit groove, the two sides of the mounting block can be fixed, and the rotating block is not easy to rotate under the elastic action of a torsion spring, so that the fixing firmness of the cutter is improved, the clamping mode of bolts and nuts is replaced, the cutter is quickly and conveniently replaced, and the replacement efficiency of the cutter is improved;

2. this device has set up the second fixed establishment, and the movable block moves down in-process pulley promotes sliding block upper end inclined plane, and sliding block upper end inclined plane receives pressure, and the sliding block moves to the fixed slot along the slide bar to fix cutter body both sides, the cooperation turning block is fixed to the installation piece, makes the device more firm to the centre gripping of cutter, difficult emergence is not hard up.

Drawings

FIG. 1 is a schematic structural view of a knife clamping device of a knife grinder according to the present invention;

fig. 2 is an assembly view of a mounting plate and a rotating block of the rapid clamping device for a knife of a knife grinder according to the present invention.

In the figure: the tool comprises a shell 1, a connecting rod 2, a tool body 3, a vertical plate 4, a rotating shaft 5, a first bevel gear 6, a second bevel gear 7, a moving block 8, a mounting plate 9, a gear 10, a torsion spring 11, a fixing block 12, a mounting block 13, a limiting groove 14, a threaded rod 15, a sliding rod 16, a fixing groove 17, a sliding block 18, a sliding groove 19, a pulley 20, a hand wheel 21, a rotating block 22, a toothed plate 23 and a mounting groove 24.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a quick clamping device of knife sharpener cutter, including casing 1 and the cutter body 3 of setting on

casing

1, 1 upper end fixedly connected with connecting rod 2 of casing, 2 upper ends fixedly connected on the sharpener of connecting rod, 3 upper ends fixedly connected with installation piece 13 of cutter body, top fixedly connected with fixed block 12 in casing 1, installation piece 13 upper end is equipped with

mounting groove

24, 12 lower extremes of fixed block stretch into in mounting groove 24, the setting of mounting groove 24 can play the limiting displacement to the installation of cutter body 3, make cutter body 3 can not play the effect when the installation and remove when installation after installation piece 13 inserts mounting groove 24.

Be equipped with two first fixed establishment that are used for fixed cutter body 3 in casing 1, first fixed establishment includes two mounting panels 9 at top in casing 1 of fixed connection, two mounting panel 9 lateral walls rotate and are connected with the pivot, the fixed turning block 22 that has cup jointed of pivot lateral wall, installation piece 13 lateral wall is equipped with spacing groove 14, the one end that the pivot was kept away from to turning block 22 stretches into spacing groove 14 in and rather than the bottom contact, turning block 22 passes through torque spring 11 and one of them mounting panel 9 lateral wall elastic connection, torque spring 11's setting makes turning block 22 can support tight spacing groove 14 upper end under torque spring 11 elastic action, cooperation pinion rack 23 can guarantee that turning block 22 can not take place to rotate with the meshing of gear 10.

Be equipped with the second fixed establishment of two fixed cutter bodies 3 in casing 1, second fixed establishment is equipped with sliding block 18 including setting up the fixed slot 17 at the cutter body 3 lateral wall in the fixed slot 17, and sliding block 18 lateral wall is equipped with sliding tray 19, and sliding tray 19 sliding connection has

slide bar

16, 16 one end of slide bar run through sliding tray 19 lateral wall and with casing 1 lateral wall fixed connection, and 18 lateral walls of sliding block pass through reset spring and casing 1 lateral wall fixed connection.

Be equipped with two actuating mechanism that drive two turning block 22 pivoted in casing 1, actuating mechanism includes sliding connection at the movable block 8 of 1 lateral wall of casing, casing 1 lateral wall is spacing to movable block 8, make movable block 8 can't take place to rotate when threaded rod 15 rotates, and then make movable block 8 can only vertical removal, movable block 8 upper end runs through and is equipped with threaded rod 15, threaded rod 15 and movable block 8 threaded connection, threaded rod 15 upper end is connected with casing 1 interior top rotation, the fixed pinion 10 that has cup jointed of pivot lateral wall, movable block 8 lateral wall fixedly connected with and pinion 10 meshed's pinion rack 23, movable block 8 lateral wall rotates and is connected with pulley 20, sliding block 18 upper end is equipped with the inclined plane with pulley 20 complex.

In the utility model, the upper ends of two threaded rods 15 penetrate through the upper end of a shell 1 and are fixedly connected with a first conical gear 6, the upper end of the shell 1 is fixedly connected with vertical plates 4, the side walls of the two vertical plates 4 are jointly and rotatably connected with a rotating shaft 5, the side wall of the rotating shaft 5 is fixedly sleeved with two second conical gears 7 meshed with the first conical gear 6, and one end of the rotating shaft 5 penetrates through the side wall of one vertical plate 4 and is fixedly connected with a hand wheel 21.

During disassembly, the hand wheel 21 is rotated, the hand wheel 21 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the two threaded rods 15 to rotate through the meshing of the first bevel gear 6 and the second bevel gear 7, the two moving blocks 8 move upwards under the limit of the side wall of the shell 1, the toothed plate 23 drives the gear 10 to rotate in the upward movement process, so that the rotating block 22 rotates in the direction away from the installation block 13 by taking the rotating shaft as the center of a circle, one end of the rotating block 22 does not abut against the upper end of the limit groove 14, meanwhile, the pulley 20 moves downwards and does not abut against the inclined surface of the upper end of the sliding block 18, the sliding block 18 moves towards the side wall of the shell 1 under the elastic action of the return spring, the sliding block 18 is separated from the fixed groove 17, the fixing of the cutter body 3 is released, and the cutter body 3 can be taken down;

when the cutter body 3 is installed, the cutter body 3 is moved upwards, the fixing block 12 is inserted into the installation groove 24 in the upper end of the cutter body 3, the hand wheel 21 is rotated reversely, the hand wheel 21 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the two threaded rods 15 to rotate through the meshing of the first bevel gear 6 and the second bevel gear 7, the two moving blocks 8 move downwards at the side wall of the shell 1 in a limiting mode, the toothed plate 23 drives the gear 10 to rotate in the upwards moving process, the rotating block 22 rotates towards the direction close to the installation block 13 by taking the rotating shaft as a circle center, the upper end of the rotating block 22 abuts against the upper end of the limiting groove 14, so that two sides of the installation block 13 are fixed, the pulley 20 pushes the upper end inclined plane of the sliding block 18 in the downwards moving process of the moving block 8, the upper end inclined plane of the sliding block 18 is pressed, the sliding block 18 moves towards the fixing groove 17 along the sliding rod 16, and therefore two sides of the cutter body 3 are fixed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A quick clamping device of a knife sharpener comprises a shell (1) and a knife body (3) arranged on the shell (1), and is characterized in that the upper end of the shell (1) is fixedly connected with a connecting rod (2), the upper end of the knife body (3) is fixedly connected with a mounting block (13), two first fixing mechanisms for fixing the knife body (3) are arranged in the shell (1), each first fixing mechanism comprises two mounting plates (9) fixedly connected to the inner top of the shell (1), two side walls of the mounting plates (9) are rotatably connected with a rotating shaft, rotating blocks (22) are fixedly sleeved on the side walls of the rotating shafts, limiting grooves (14) are formed in the side walls of the mounting blocks (13), one ends, far away from the rotating shafts, of the rotating blocks (22) extend into the limiting grooves (14) and are in contact with the inner bottom of the rotating blocks, and the rotating blocks (22) are elastically connected with one side wall of the mounting plates (9) through torsion springs (11), two second fixing mechanisms for fixing the cutter body (3) are arranged in the shell (1).

2. The fast clamping device for the knife of a knife grinder according to claim 1, wherein the second fixing mechanism comprises a fixing groove (17) disposed on the side wall of the knife body (3), a sliding block (18) is disposed in the fixing groove (17), the side wall of the sliding block (18) is provided with a sliding groove (19), a sliding rod (16) is slidably connected in the sliding groove (19), one end of the sliding rod (16) penetrates through the side wall of the sliding groove (19) and is fixedly connected with the side wall of the housing (1), the side wall of the sliding block (18) is fixedly connected with the side wall of the housing (1) through a return spring, and two driving mechanisms for driving the two rotating blocks (22) to rotate are disposed in the housing (1).

3. The rapid clamping device for the knife of the knife sharpener according to claim 2, wherein the driving mechanism comprises a moving block (8) slidably connected to the side wall of the housing (1), a threaded rod (15) penetrates through the upper end of the moving block (8), the threaded rod (15) is in threaded connection with the moving block (8), the upper end of the threaded rod (15) is rotatably connected with the inner top of the housing (1), a gear (10) is fixedly sleeved on the side wall of the rotating shaft, and a toothed plate (23) meshed with the gear (10) is fixedly connected to the side wall of the moving block (8).

4. The rapid clamping device for the cutter of the knife sharpener according to claim 3, wherein the upper ends of the two threaded rods (15) penetrate through the upper end of the shell (1) and are fixedly connected with a first bevel gear (6), the upper end of the shell (1) is fixedly connected with a vertical plate (4), the two side walls of the vertical plate (4) are jointly and rotatably connected with a rotating shaft (5), the side wall of the rotating shaft (5) is fixedly sleeved with two second bevel gears (7) meshed with the first bevel gear (6), and one end of the rotating shaft (5) penetrates through one of the side walls of the vertical plate (4) and is fixedly connected with a hand wheel (21).

5. The device for rapidly clamping the cutter of the knife sharpener as claimed in claim 3, wherein the side wall of the moving block (8) is rotatably connected with a pulley (20), and the upper end of the sliding block (18) is provided with an inclined surface matched with the pulley (20).

6. The quick clamping device for the knife of a knife grinder as claimed in claim 1, wherein a fixing block (12) is fixedly connected to the top inside the housing (1), a mounting groove (24) is formed at the upper end of the mounting block (13), and the lower end of the fixing block (12) extends into the mounting groove (24).