CN219426351U

CN219426351U - Cutter grinding device

Info

Publication number: CN219426351U
Application number: CN202222754174.XU
Authority: CN
Inventors: 夏永全; 张全
Original assignee: Anhui Jingxin Cutting Tool Technology Co ltd
Current assignee: Anhui Jingxin Cutting Tool Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-07-28
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a cutter polishing device, which comprises two completely consistent polishing mechanisms, wherein each polishing mechanism comprises a vertical plate, and a rotating shaft is connected to the side surface of each vertical plate through two first side plates; the V-shaped turnover frame is rotationally connected to the rotating shaft, a polishing roller for polishing a cutter is arranged on a lower fixed plate of the V-shaped turnover frame, a tension spring for controlling dynamic change of polishing amount is arranged between an upper fixed plate and a vertical plate of the V-shaped turnover frame, and two mutually independent polishing mechanisms for synchronously polishing are arranged, so that synchronous polishing of two sides of the cutter is realized, gradual change type adjustment of polishing feeding amount is realized in the polishing process, and polishing quality is improved.

Description

Cutter grinding device

Technical Field

The utility model relates to the technical field of cutter machining, in particular to a cutter polishing device.

Background

In machining production, the cutter is not used, and the cutter can be worn after long-term work, so that the produced product can meet the requirements in order to ensure the machining precision, and the cutter is required to be polished.

The conventional polishing device on the market only can polish one side of the cutter, and the polishing is quantitative polishing and hard polishing, so that the polishing feed of the cutter cannot be adjusted in real time, and the polishing device has certain limitation.

Disclosure of Invention

The utility model aims to provide a cutter polishing device, which realizes synchronous polishing of two sides of a cutter by arranging two polishing mechanisms which are mutually independent and synchronously polishing, realizes gradual change adjustment of polishing feed in the polishing process, and improves polishing quality.

The aim of the utility model can be achieved by the following technical scheme:

the cutter polishing device comprises two completely consistent polishing mechanisms, wherein each polishing mechanism comprises a vertical plate, and a rotating shaft is connected to the side surface of each vertical plate through two first side plates;

the V-shaped turnover frame is rotationally connected to the rotating shaft, a polishing roller for polishing a cutter is arranged on a lower fixing plate of the V-shaped turnover frame, and a tension spring for controlling dynamic change of polishing amount is arranged between an upper fixing plate and a vertical plate of the V-shaped turnover frame.

As a further scheme of the utility model: when the tension spring is in an initial state, an included angle of 30-45 degrees is formed between a virtual surface formed by the upper fixing plate and the lower fixing plate and the vertical plate.

As a further scheme of the utility model: and a servo motor for driving the polishing roller is arranged on the lower fixing plate.

As a further scheme of the utility model: the device also comprises a pull rod; the pull rod is used for connecting and fixing the two polishing mechanisms.

As a further scheme of the utility model: connecting rings are rotatably connected to two ends of the pull rod, a ferrule is arranged at one end, far away from the pull rod, of the connecting rings, and limiting columns are arranged on two longitudinal sides of an upper fixing plate of the polishing mechanism;

the ferrules at the two ends of the pull rod are respectively sleeved on the limit posts of the polishing mechanisms at the two sides.

As a further scheme of the utility model: the telescopic rod consists of a first limiting rod and a second limiting rod, and the first limiting rod is in threaded connection with the second limiting rod;

the end faces of the first limiting rod and the second limiting rod are provided with ball grooves, and the other end of the connecting ring is provided with balls matched with the ball grooves.

As a further scheme of the utility model: the polishing device is characterized by further comprising a rack, wherein a vertical lifting mechanism is arranged on one side of the table top of the rack, the upper end of the vertical lifting mechanism is connected with a supporting beam, and the two polishing mechanisms are fixedly arranged on the bottom surface of the supporting beam.

As a further scheme of the utility model: the table top of the table frame is provided with a cutter positioning table for fixing a cutter, and the cutter positioning table is positioned under the polishing mechanism.

The utility model has the beneficial effects that: according to the utility model, by arranging the two mutually independent and synchronous polishing mechanisms, synchronous polishing of two sides of the cutter is realized, gradual change adjustment of polishing feed is realized in the polishing process, and polishing quality is improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the front view of the present utility model;

FIG. 2 is a schematic view of the structure of the enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of the structure of the tool positioning table of the present utility model.

In the figure:

1. a stand; 101. a vertical lifting mechanism; 102. a support beam;

2. a polishing mechanism; 201. a vertical plate; 202. a tension spring; 203. a limiting mechanism; 204. a first side plate; 205. a V-shaped roll-over stand; 206. an upper fixing plate; 207. a lower fixing plate; 208. a second side plate; 209. a grinding roller;

2031. a limit column; 2032. a first stop lever; 2033. a second limit rod; 2034. a connecting ring; 2035. a ferrule;

3. a cutter positioning table; 301. a first screw; 302. a hand wheel; 303. a nut seat; 304. and (5) positioning blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model is a tool polishing device, including a rack 1, a tool positioning table 3 for clamping and fixing tools is provided on the rack 1, a vertical lifting mechanism 101 is provided on one side of the table top of the rack 1, a supporting beam 102 is provided on the vertical lifting mechanism 101, and a polishing part is fixedly provided on the supporting beam 102;

wherein, the portion of polishing is located directly over the cutter positioning platform 3, drives supporting beam 102 through vertical elevating system 101 and removes in the vertical direction to realize the adjustment to the portion of polishing in the vertical direction high, make the portion of polishing realize polishing the cutter on the cutter positioning platform 3 in the adjustment in-process of position in the vertical direction.

The vertical lifting mechanism 101 is an electric telescopic rod or an oil cylinder or a screw rod transmission mechanism.

Referring to fig. 1-2, the polishing part comprises two completely identical polishing mechanisms 2, each polishing mechanism 2 comprises a vertical plate 201 vertically arranged on the bottom surface of a supporting beam 102, a first side plate 204 is fixedly arranged on two longitudinal sides of the side surface of the vertical plate 201 adjacent to the other polishing mechanism 2, a rotating shaft is arranged between the two first side plates 204, and a V-shaped turning frame 205 is rotatably connected on the rotating shaft;

wherein, the upper support rod of the V-shaped roll-over stand 205 is fixedly connected with an upper fixing plate 206, and the lower support rod of the V-shaped roll-over stand 205 is fixedly connected with a lower fixing plate 207;

the two longitudinal sides of the outer side surface of the lower fixing plate 207 are fixedly provided with second side plates 208, a polishing roller 209 for polishing a cutter is arranged between the two second side plates 208, one end of a rotating shaft connected with the polishing roller 209 penetrates through the second side plates 208 to be connected with the output end of a servo motor, and the servo motor is fixedly arranged on the outer side surface of the second side plates 208;

the side surface of the upper fixing plate 206 adjacent to one side of the vertical plate 201 is fixedly provided with a tension spring 202, the other side of the tension spring 202 is fixedly arranged on the vertical plate 201, and when the tension spring 202 is in an initial state, a virtual surface formed by the upper fixing plate 206 and the lower fixing plate 207 forms an included angle of 30-45 degrees with the vertical plate 201 under the action of the tension spring 202;

when the tool is used, the lower fixing plate 207 is manually pushed leftwards aiming at the left polishing mechanism 2, the V-shaped turning frame 205 rotates clockwise around the rotating shaft, the tension spring 202 is stretched, the lower fixing plate 207 is manually pushed rightwards aiming at the right polishing mechanism 2, the V-shaped turning frame 205 rotates anticlockwise around the rotating shaft, the tension spring 202 is stretched, the tool to be polished is placed between the two polishing mechanisms 2, the polishing rollers 209 on the two polishing mechanisms 2 polish the two sides of the tool, and meanwhile, the two polishing mechanisms 2 realize gradual feeding polishing of the tool under the action of the tension spring 202 in the polishing process, so that dynamic polishing of the tool is realized.

In another embodiment, the tension springs 202 between the upper fixing plate 206 and the vertical plate 201 may be provided in plurality.

Referring to fig. 2, in another embodiment, two limiting posts 2031 are disposed on two longitudinal sides of the upper fixing plate 206 of two polishing mechanisms 2, and two limiting posts 2031 on the same side of two polishing mechanisms 2 are connected by a limiting mechanism 203, so as to realize limiting fixation of two polishing mechanisms 2 in the polishing process;

specifically, the limiting mechanism 203 includes a pull rod, the pull rod includes a first limiting rod 2032 and a second limiting rod 2033, and the first limiting rod 2032 is screwed into the second limiting rod 2033;

a connecting ring 2034 is rotatably connected to one end of the first limiting rod 2032 far away from the second limiting rod 2033, specifically, a spherical groove is formed in the end face of the first limiting rod 2032, a ball matched with the spherical groove is arranged at one end of the connecting ring 2034, and the connecting ring 2034 is rotatably connected in the spherical groove of the end face of the first limiting rod 2032 through the ball at one end;

another connecting ring 2034 is also rotatably connected to one end of the second limiting rod 2033 far away from the first limiting rod 2032, and the connection mode of the connecting ring 2034 on the second limiting rod 2033 is completely consistent with the connection mode of the connecting ring 2034 on the first limiting rod 2032;

the other end of the connecting ring 2034 is provided with a ferrule 2035 which is matched with the limit column 2031;

the ferrule 2035 connected with the end of the first limit rod 2032 and the ferrule 2035 connected with the end of the second limit rod 2033 are respectively sleeved on the limit posts 2031 of the two polishing mechanisms 2;

when the polishing device is used, the first limit rod 2032 or the second limit rod 2033 is rotated, so that the whole length of the pull rod is determined, ferrules 2035 at two ends of the pull rod are respectively sleeved on limit posts 2031 of the polishing mechanisms 2 at two sides, the distance between the two polishing mechanisms 2 is adjusted and fixed, and the two polishing mechanisms 2 keep a directional polishing amount to polish a cutter.

Referring to fig. 3, the tool positioning table 3 is a cuboid cavity structure, a first screw 301 is arranged in the cuboid cavity along the horizontal direction, one end of the first screw 301 penetrates through the side surface of the tool positioning table 3 to be connected with a hand wheel 302, and guide rods are arranged on two sides of the first screw 301 in the cuboid cavity;

the screw threads at two ends of a central line of the first screw 301 in the vertical direction are opposite in rotation direction, two ends of the first screw 301 are respectively in threaded connection with a nut seat 303, support rods are vertically arranged at two longitudinal sides of the top of the nut seat 303 at two ends, and a positioning block 304 penetrates through the top surface of a cuboid cavity at the top of the support rods;

wherein, the nut seats 303 at the two ends of the first screw 301 penetrate through the central line of the first screw 301 in the vertical direction symmetrically;

two bar-shaped grooves for the supporting rods to slide are arranged on the top surface of the cutter positioning table 3 along the horizontal direction.

Preferably, the vertical center line of the first screw 301 coincides with the horizontal center line of the two grinding mechanisms 2.

When the tool positioning table 3 is used, a tool to be polished is placed on the tool positioning table 3, and the hand wheel 302 is rotated to drive the nut seats 303 at the two ends of the first screw 301 to move in opposite directions, so that the two positioning blocks 304 on the tool positioning table 3 are driven to clamp and fix the tool.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. A tool grinding device comprising two completely identical grinding mechanisms (2), characterized in that the grinding mechanisms (2) comprise a vertical plate (201), and the side surfaces of the vertical plate (201) are connected with rotating shafts through two first side plates (204);

a V-shaped overturning frame (205) is rotatably connected to the rotating shaft, a polishing roller (209) for polishing a cutter is arranged on a lower fixed plate (207) of the V-shaped overturning frame (205), and a tension spring (202) for controlling dynamic change of polishing amount is arranged between an upper fixed plate (206) and a vertical plate (201) of the V-shaped overturning frame (205);

the polishing device is characterized by further comprising a bench (1), wherein a vertical lifting mechanism (101) is arranged on one side of a table top of the bench (1), the upper end of the vertical lifting mechanism (101) is connected with a supporting beam (102), and two polishing mechanisms (2) are fixedly arranged on the bottom surface of the supporting beam (102);

the table top of the table frame (1) is provided with a cutter positioning table (3) for fixing a cutter, and the cutter positioning table (3) is positioned under the polishing mechanism (2).

2. A tool polishing device according to claim 1, wherein the virtual plane formed by the upper fixing plate (206) and the lower fixing plate (207) forms an angle of 30 ° -45 ° with the vertical plate (201) when the tension spring (202) is in the initial state.

3. A tool grinding device according to claim 1, characterized in that the lower fixing plate (207) is provided with a servo motor for driving the grinding roller (209).

4. The tool sharpening device of claim 1, further comprising a pull rod;

the pull rod is used for connecting and fixing the two polishing mechanisms (2).

5. The tool polishing device according to claim 4, wherein the pull rod is a telescopic rod, two ends of the pull rod are rotatably connected with connecting rings (2034), one end of each connecting ring (2034) far away from the pull rod is provided with a ferrule (2035), and two longitudinal sides of an upper fixing plate (206) of the polishing mechanism (2) are provided with limit posts (2031);

the ferrules (2035) at the two ends of the pull rod are respectively sleeved on the limit posts (2031) of the polishing mechanism (2) at the two sides.

6. The tool polishing device according to claim 5, wherein the telescopic rod consists of a first limit rod (2032) and a second limit rod (2033), and the first limit rod (2032) is in threaded connection with the second limit rod (2033);

ball grooves are formed in the end faces of the first limiting rod (2032) and the second limiting rod (2033), and balls matched with the ball grooves are arranged at the other end of the connecting ring (2034).