CN223820181U - Scissor positioning structure and knife grinder thereof - Google Patents

Abstract

This utility model relates to the field of knife sharpening machine technology and discloses a scissor positioning structure and its sharpening machine, including: a clamping table with two sets of guide rails vertically arranged on the clamping table, and an adjusting seat on the guide rails; a limiting component, which includes a first fixing rod, a hook, a second clamping rod, and a pressing block. The first fixing rod is fixedly installed on the upright plate, the hook is fixedly connected to the first fixing rod, the second clamping rod is fixedly connected to the upright plate, and the pressing block can clamp and fix the scissor handle close to the second clamping rod. By hanging the scissor handle on the hook, pulling the other scissor handle makes the scissor handle position between the second clamping rod and the pressing block. By rotating the adjusting screw, the adjusting screw pushes the pressing block and drives the limiting rod to slide in the limiting hole, thereby realizing the separation or closure of the pressing block and the second clamping rod, and realizing the clamping and fixing of the other scissor handle. During the sharpening process, the two cutting edges of the scissors can maintain a stable separated state and will not close due to the vibration of sharpening.

Description

Scissor positioning structure and knife grinder thereof

Technical Field

The utility model relates to the technical field of knife sharpeners, in particular to a scissor positioning structure and a knife sharpeners thereof.

Background

The earliest end face knife sharpener of knife grinder mainly comprises a full-automatic knife sharpener, a precise knife sharpener and a numerical control knife sharpener.

The prior art discloses an auxiliary device (publication number: CN 118559519A) in a knife sharpening machine tool, which comprises a connecting plate and a fixing component, wherein the fixing component is arranged at the top of the connecting plate and comprises a fixing plate, the fixing plate is fixedly connected to the top of the connecting plate, the top of the fixing plate is fixedly connected with a connecting block, and the top of the connecting block is provided with a first groove.

In the prior art, the scissors handles of the scissors are fixed mainly through two baffle clamping that can be close to each other, vibration can be generated in the polishing process, only one scissors handle is clamped, and two scissors handles can be close to each other in the polishing process, so that the scissors mouth of the scissors is closed, and further polishing precision is affected.

Therefore, we propose a scissors positioning structure and knife grinder thereof.

Disclosure of utility model

The utility model mainly solves the technical problem that the scissor handles are easy to close due to vibration after being clamped, and provides a scissor positioning structure and a knife grinder thereof.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the scissors positioning structure and the knife grinder thereof comprise:

The clamping table is vertically provided with two groups of guide rails, an adjusting seat is arranged on each guide rail, a vertical plate is fixedly arranged on the top surface of each adjusting seat, a pushing cylinder for pushing the clamping table to lift is arranged at the bottom of the clamping table, and scissors to be processed are arranged on one side of each vertical plate;

The limiting component is arranged on one side of the vertical plate and used for fixing the scissor handles, the limiting component comprises a first fixing rod, a hook, a second clamping rod and an extrusion block, the first fixing rod is fixedly arranged with the vertical plate, the hook is fixedly connected with the first fixing rod, the second clamping rod is fixedly connected with the vertical plate, the extrusion block can be close to the second clamping rod to clamp and fix the scissor handles, and the hook can limit the other scissor handle of the scissor.

As a preferable mode of the utility model, the first fixing rod and the hook are rectangular columns, the hook is fixedly arranged on one side of the first fixing rod, and the first fixing rod and the hook form a rod with an L-shaped horizontal section.

As a preferable mode of the utility model, the second clamping rod and the first fixing rod are arranged in parallel, and a clamping groove for clamping is formed in one side, close to the second clamping rod, of the extrusion block.

As a preferred mode of the utility model, the limiting assembly further comprises an extension body rod, the extension body rod is fixedly connected with the first fixing rod, and the extension body rod can support a scissor shaft of the scissor.

As a preferable mode of the utility model, the extension body rod is fixedly arranged on the top surface of the extension body rod, the extension body rod obliquely extends towards the upper side of the first fixed rod, a ball socket is arranged on one side of the extension body rod, the shearing shaft can fall into the ball socket, and the extension body rod is flush with the first fixed rod.

As a preferable mode of the utility model, the limiting assembly further comprises a limiting rod and an adjusting screw, the extruding block is provided with a threaded hole, the adjusting screw is in threaded connection with the threaded hole and is in rotary connection with a second clamping rod, the second clamping rod is provided with a limiting hole, and the limiting rod is in sliding connection with the limiting hole and is fixedly connected with the extruding block.

The utility model provides a knife grinder, includes the board, and fixed mounting has the motor of polishing on the board, and the output shaft fixed mounting of motor of polishing has the emery wheel, be equipped with above-mentioned all scissors location structure on the board, push away jar fixed mounting in the bottom of board and promote the vertical lift of centre gripping platform.

Advantageous effects

The utility model provides a scissors positioning structure and a knife grinder thereof. The beneficial effects are as follows:

1. This kind of scissors location structure and sharpedge grinding machine thereof, hang the handle on the couple through cutting, another handle that cuts of pulling makes the handle that cuts be located between second clamping lever and the extrusion piece, through rotating adjusting screw, adjusting screw promotes the extrusion piece and drives the gag lever post and slide in the spacing downthehole, and then realize the separation or the closure of extrusion piece and second clamping lever, realize the centre gripping fixed to another handle that cuts, this kind of centre gripping limit mode, make two handles that cut of scissors all can obtain fixedly, when being polished, be difficult for the skew and then promote polishing precision, simultaneously, in polishing the in-process, two cuts of scissors can keep steadily separation state, can not cause the cut closure because of polishing vibration, through adjusting the position that second clamping lever and extrusion piece centre gripping cut the handle, can adjust the opening size of scissors, simultaneously also can promote the adaptability of centre gripping.

2. This scissors location structure and sharpedge grinding machine thereof through setting up the extension body pole, falls into the ball socket through the scissors axle tip with the scissors, cooperates spacing to two scissors handle positions of scissors, and then the scissors forms the centre gripping spacing of bikini, can ensure that the scissors can not squint in the process of polishing, further promotes the stability of the process of polishing.

Drawings

FIG. 1 is one of the overall perspective views of the present utility model;

FIG. 2 is a second perspective view of the whole of the present utility model;

FIG. 3 is a perspective view of a spacing assembly according to the present utility model;

FIG. 4 is a second perspective view of the spacing assembly of the present utility model;

FIG. 5 is an assembled view of the extrusion block and the second clamping bar of the present utility model.

The legend is 10, clamping table, 11, guide rail, 12, adjusting seat, 13, pushing cylinder, 14, vertical plate, 20, first fixed rod, 21, hook, 22, extension body rod, 23, second clamping rod, 24, extrusion block, 30, limit rod, 31 and adjusting screw.

Detailed Description

A scissors positioning structure and a knife grinder thereof, as shown in fig. 1 and 2, comprising:

The clamping table 10 is vertically provided with two groups of guide rails 11 on the clamping table 10, an adjusting seat 12 is arranged on the guide rails 11, a vertical plate 14 is fixedly arranged on the top surface of the adjusting seat 12, a pushing cylinder 13 for pushing the clamping table 10 to lift is arranged at the bottom of the clamping table 10, scissors to be processed are arranged on one side of the vertical plate 14, specifically, an output shaft of the pushing cylinder 13 is fixedly connected with the bottom surface of the clamping table 10, a sliding groove is formed in the top surface of the guide rails 11, a sliding block is slidably arranged in the sliding groove, a group of guide rails 11 below are fixedly connected with the top surface of the clamping table 10, a group of guide rails 11 above are fixedly connected with the sliding block, an adjusting seat 12 is fixedly arranged on the sliding block of the group of guide rails 11 above, a servo motor is fixedly arranged on the output shaft of the servo motor, a screw is in threaded connection with the sliding block, the two shafts of the adjusting seat 12 are pushed through the two groups of guide rails 11 vertically distributed, and the pushing cylinder 13 is matched to push the clamping table 10 to lift, so that the adjusting seat 12 can move in a multidirectional manner to meet the polishing of the scissors, the polishing dead angle can be reduced, the polishing of the scissors is better, the polishing dead angle can be achieved, the servo motor needs to be connected with the sliding controller, and the servo motor is not used repeatedly.

As shown in fig. 2, 3, 4 and 5, the limiting component is arranged on one side of the vertical plate 14 and used for fixing a scissor handle, the limiting component comprises a first fixing rod 20, a hook 21, a second clamping rod 23 and an extrusion block 24, the first fixing rod 20 is fixedly arranged with the vertical plate 14, the hook 21 is fixedly connected with the first fixing rod 20, the second clamping rod 23 is fixedly connected with the vertical plate 14, the extrusion block 24 can be close to the second clamping rod 23 to clamp and fix the scissor handle, the hook 21 can limit the other scissor handle, the first fixing rod 20 and the hook 21 are rectangular cylinders, the hook 21 is fixedly arranged on one side of the first fixing rod 20, the first fixing rod 20 and the hook 21 jointly form a rod with an L-shaped horizontal section, the second clamping rod 23 and the first fixing rod 20 are mutually parallel, a clamping groove used for clamping is formed on one side of the extrusion block 24 close to the second clamping rod 23, the limiting component also comprises a limiting rod 30 and an adjusting screw 31, the extrusion block 24 is provided with a threaded hole, the adjusting screw 31 is in threaded connection with the threaded hole and is in rotary connection with the second clamping rod 23, the limiting block 24 is provided with a limiting block 30, and the limiting block is fixedly connected with the limiting block 30;

In this scheme, mainly through the separation of two scissors handles with the scissors, and then two scissors mouths of scissors are the separation status, this scheme is also the scissors under the fixed scissors handle separation status of centre gripping, hang scissors handle on couple 21, another scissors handle of pulling makes scissors handle be located between second clamping lever 23 and the extrusion piece 24, through rotating adjusting screw 31, adjusting screw 31 promotes extrusion piece 24 and drives gag lever post 30 and slide in the spacing downthehole, and then realize the separation or the closure of extrusion piece 24 and second clamping lever 23, realize the centre gripping fixed to another scissors handle, this kind of centre gripping spacing mode, make two scissors handles of scissors all can obtain fixedly, when being polished, be difficult for the skew and then promote the precision of polishing, simultaneously, two scissors mouths of scissors can keep steadily separating the state, can not cause the mouth closure because of polishing vibration, through the position of adjusting second clamping lever 23 and extrusion piece 24 centre gripping scissors handle, can adjust the opening size of scissors, simultaneously also can promote the adaptation of centre gripping.

As shown in fig. 3, the limiting assembly further includes an extension body rod 22, the extension body rod 22 is fixedly connected with the first fixing rod 20, the extension body rod 22 can support a scissor shaft of the scissors, the extension body rod 22 is fixedly installed on the top surface of the extension body rod 22, the extension body rod 22 extends obliquely towards the upper side of the first fixing rod 20, a ball socket is formed in one side of the extension body rod 22, the scissor shaft can fall into the ball socket, and the extension body rod 22 is flush with the first fixing rod 20;

By arranging the extension body rod 22, the scissors can fall into the ball socket through the end parts of the scissors, limit the positions of the two scissors handles of the scissors in a matched manner, and then the scissors form three-point clamping limit, so that the scissors cannot deviate in the polishing process, and the stability of the polishing process is further improved.

Not shown in the figures. The knife grinder comprises a machine table, wherein a grinding motor is fixedly arranged on the machine table, a grinding wheel is fixedly arranged on an output shaft of the grinding motor, all the scissor positioning structures are arranged on the machine table, and a pushing cylinder 13 is fixedly arranged at the bottom of the machine table and pushes a clamping table 10 to vertically lift;

The motor of polishing needs to connect control switch, drives the emery wheel through the motor of polishing and polishes the scissors, and set up foretell location structure for the scissors keeps being polished under the open state, is difficult for closure, and the stability of centre gripping is high, and the precision of polishing can be controlled and promoted.

The utility model has the working principle that two groups of guide rails 11 which are vertically distributed are used for pushing two shafts of an adjusting seat 12, a pushing cylinder 13 is matched for pushing a clamping table 10 to lift, so that the adjusting seat 12 can move in multiple directions, a scissor handle is hung on a hook 21, the other scissor handle is pulled to enable the scissor handle to be positioned between a second clamping rod 23 and an extrusion block 24, the extrusion block 24 is pushed by the adjusting screw 31 through rotating the adjusting screw 31, and a limiting rod 30 is driven to slide in a limiting hole by the adjusting screw 31, so that the extrusion block 24 and the second clamping rod 23 are separated or closed, the other scissor handle is clamped and fixed, the scissors are kept in an open state, an extension body rod 22 is arranged, and the ends of the scissor shafts of the scissors fall into ball sockets to be matched with the limiting of the two scissor handles of the scissors, so that the scissors form three-point clamping limiting;

The grinding motor drives the grinding wheel to rotate to grind the cutting edge of the scissors, the grinding motor needs to be connected with a control switch, the pushing cylinder 13 and the servo motor need to be connected with a controller, and a specific control method and a connection mode are known in the prior art and are not described in detail herein.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. A scissor positioning structure, characterized in that it comprises: A clamping table (10) is provided with two sets of guide rails (11) vertically on the upper part of the clamping table (10). An adjusting seat (12) is provided on the guide rails (11). A vertical plate (14) is fixedly installed on the top surface of the adjusting seat (12). A push cylinder (13) for pushing the clamping table (10) up and down is provided at the bottom of the clamping table (10). A pair of scissors to be processed is provided on one side of the vertical plate (14). A limiting component is provided on one side of the upright plate (14) for fixing the scissor handle. The limiting component includes a first fixing rod (20), a hook (21), a second clamping rod (23), and a squeezing block (24). The first fixing rod (20) is fixedly installed on the upright plate (14). The hook (21) is fixedly connected to the first fixing rod (20). The second clamping rod (23) is fixedly connected to the upright plate (14). The squeezing block (24) can clamp and fix the scissor handle close to the second clamping rod (23). The hook (21) can limit the other scissor handle. 2. The scissor positioning structure according to claim 1, characterized in that: the first fixing rod (20) and the hook (21) are both rectangular prisms, the hook (21) is fixedly installed on one side of the first fixing rod (20), and the first fixing rod (20) and the hook (21) together form a rod with an L-shaped horizontal cross section. 3. The scissor positioning structure according to claim 1, characterized in that: the second clamping rod (23) and the first fixing rod (20) are arranged parallel to each other, and the squeezing block (24) has a clamping groove for clamping on the side near the second clamping rod (23). 4. The scissor positioning structure according to claim 1, characterized in that: the limiting component further includes an extension rod (22), the extension rod (22) is fixedly connected to the first fixing rod (20), and the extension rod (22) can support the shear shaft of the scissors. 5. The scissor positioning structure according to claim 4, characterized in that: the extension rod (22) is fixedly installed on the top surface of the extension rod (22), the extension rod (22) extends obliquely upward toward the first fixed rod (20), a ball socket is provided on one side of the extension rod (22), the scissor shaft can fall into the ball socket, and the extension rod (22) is flush with the first fixed rod (20). 6. The scissor positioning structure according to claim 1, characterized in that: the limiting component further includes a limiting rod (30) and an adjusting screw (31), the extrusion block (24) is provided with a threaded hole, the adjusting screw (31) is threadedly connected to the threaded hole and rotatably connected to the second clamping rod (23), the second clamping rod (23) is provided with a limiting hole, the limiting rod (30) is slidably connected to the limiting hole and fixedly connected to the extrusion block (24). 7. A knife sharpening machine, comprising a machine base, a grinding motor fixedly mounted on the machine base, and a grinding wheel fixedly mounted on the output shaft of the grinding motor, characterized in that: the machine base is provided with a scissor positioning structure as described in any one of claims 1-6, and the push cylinder (13) is fixedly mounted on the bottom of the machine base and pushes the clamping table (10) to rise and fall vertically.