CN111958338B

CN111958338B - Lathe cutter sharpening device

Info

Publication number: CN111958338B
Application number: CN202010662200.9A
Authority: CN
Inventors: 龙萍
Original assignee: 力锋精密工具（浙江）有限公司
Current assignee: Lifeng Precision Tool Zhejiang Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2022-04-19
Anticipated expiration: 2040-07-10
Also published as: CN111958338A

Abstract

The invention relates to a knife sharpening device, in particular to a lathe tool sharpening device. The technical problem how to provide a lathe tool sharpener which can switch the turning tool in two sides and polish, improve the polishing work efficiency and cool the turning tool. A lathe tool sharpening device comprises a frame, wherein a fixed frame is arranged at the top of the frame; the fixed frame is provided with a knife sharpening mechanism; the bottom of the fixed frame is provided with the turnover mechanism; the blade holder is arranged on the blade holder and the turnover mechanism. The invention can polish two surfaces of the cutter without manual turnover, thereby improving the working efficiency of cutter polishing and reducing the operation difficulty of workers.

Description

Lathe cutter sharpening device

Technical Field

The invention relates to a knife sharpening device, in particular to a lathe tool sharpening device.

Background

A turning tool is a tool for turning machining having a cutting portion. Turning tools are one of the most widely used tools in cutting machining. The working part of the turning tool is a part for generating and processing chips, and comprises a cutting edge, a structure for breaking or rolling up the chips, a space for discharging or storing the chips, a channel of cutting fluid and other structural elements.

Through the retrieval, patent that patent number is CN208099961U discloses a thread lathe tool sharpener instrument, comprises a workbench, the inside left side of workstation is seted up flutedly, recess inner chamber's bottom fixedly connected with motor, the top of motor is connected with the spindle, workstation fixedly connected with emery wheel is run through at the top of spindle, the spout has been seted up in the front on workstation top right side, the inner chamber swing joint of spout has the slide, the spout fixedly connected with support column is run through at the top of slide, logical groove has all been seted up to the both sides of support column inner chamber, the bottom swing joint who leads to the groove inner chamber has the lead screw, and above-mentioned patent exists following not enoughly: when polishing the lathe tool, can't carry out two-sided switching to the lathe tool, lead to work efficiency low, can't cool off the lathe tool moreover, the lathe tool is the deformation that generates heat easily.

Therefore, it is necessary to design a lathe tool sharpener capable of performing double-sided switching and sharpening on a turning tool, improving sharpening work efficiency, and cooling the turning tool, aiming at the defects of the prior art.

Disclosure of Invention

In order to overcome current lathe tool equipment of polishing when polishing the lathe tool, can't carry out two-sided switching to the lathe tool, lead to work efficiency low, can't cool off the lathe tool moreover, the lathe tool is the shortcoming of deformation that generates heat easily, and the technical problem is: the utility model provides a can carry out two-sided switching to the lathe tool and polish, improve the work efficiency of polishing to can carry out refrigerated lathe cutter knife sharpening device to the lathe tool.

The technical scheme is as follows: a lathe tool sharpening device, comprising: the top of the rack is provided with a fixed frame; the fixed frame is provided with a knife sharpening mechanism; the bottom of the fixed frame is provided with the turnover mechanism; the blade holder is arranged on the blade holder and the turnover mechanism.

Preferably, the sharpening mechanism comprises: the fixed frame is provided with a knife grinding motor; the output shaft of the sharpening motor is connected with a transmission shaft which is rotatably connected with the fixed frame; the lower part of the transmission shaft is provided with a fixing piece; the grinding wheel is arranged on the fixed piece.

Preferably, the turn-over mechanism comprises: the bottom of the fixed frame is rotatably connected with the roller cam, and the roller cam is in transmission connection with the transmission shaft; the bottom of the roller cam is connected with a rotating rod, and the bottom of the rotating rod is connected with a tooth-missing crown gear; the bottom of the fixing frame is connected with the mounting frame; the lower part of the mounting rack is rotatably connected with the rotating shaft; the rotating shaft is connected with the connecting block; the connecting block is rotatably connected with the connecting shaft, and the tool apron is connected with one end of the connecting shaft; the other end of the connecting shaft is connected with the cylindrical gear; one side of the cylindrical gear is connected with the contact disc; the bottom of the fixing frame is connected with the fixing rod; and the tension spring is connected between the bottom end of the fixed rod and the rotating shaft.

Preferably, a cooling assembly is further included, the cooling assembly comprising: the liquid storage cylinder is arranged at the top of the fixing frame; one side of the rotating shaft, which is close to the cylindrical gear, is fixedly connected with a connecting plate; the connecting plate is connected with the L-shaped hard tube, and one end of the L-shaped hard tube is connected with the contact disc; the L-shaped hard pipe is provided with an adjusting valve; the hose is connected between the other end of the L-shaped hard tube and the bottom of the liquid storage cylinder; one side of the connecting shaft is fixedly connected with a hollow disc which is communicated with the inside of the connecting shaft; the two sides of the hollow disc are symmetrically connected with connecting pipes which are communicated with the inside of the hollow disc; the connecting pipe is connected with the liquid outlet pipe; the piston rod is arranged in the connecting pipe in a sliding manner; the compression spring is connected between the tail end of the piston rod and the tail end of the connecting pipe and sleeved outside the piston rod; the connecting rods are connected between the piston rods and are positioned in the hollow circular discs; the bottom of mounting bracket is connected with the baffle with piston rod contact complex.

Preferably, the method further comprises the following steps: the water baffle is arranged on the rack close to the fixed frame and is arranged on the outer side of the grinding wheel; the frame is provided with a liquid collecting hopper close to the water baffle; the bottom of the liquid collecting hopper is connected with a liquid discharging pipe; and a liquid discharge valve is arranged on the liquid discharge pipe.

The beneficial effects are that: 1. the invention can polish two surfaces of the cutter without manual turnover, thereby improving the working efficiency of cutter polishing and reducing the operation difficulty of workers.

2. The cutter can be cooled through the cooling assembly, the cutter is prevented from being excessively deformed due to heating friction, the polishing quality of the cutter is effectively guaranteed, and the water-saving effect can be achieved.

3. The water baffle can block sewage thrown away by the grinding wheel when rotating at a high speed, and the sewage flows into the liquid collecting hopper to be collected, so that the workshop environment is prevented from being polluted by the sewage.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a first partial perspective view of the present invention.

Fig. 3 is a second partial perspective view of the present invention.

Fig. 4 is a third partial perspective view of the present invention.

Fig. 5 is a fourth partial perspective view of the present invention.

Fig. 6 is a partial perspective view of the cooling assembly of the present invention.

Fig. 7 is a schematic perspective view of a second embodiment of the present invention.

Part names and serial numbers in the figure: 1 rack, 2 fixed mounts, 3 sharpening mechanisms, 31 sharpening motors, 32 transmission shafts, 33 grinding wheels, 34 fixing pieces, 4 turnover mechanisms, 40 roller cams, 41 toothless crown gears, 42 mounting racks, 43 rotating shafts, 44 connecting blocks, 45 connecting shafts, 46 contact discs, 47 cylindrical gears, 48 fixing rods, 49 tension springs, 5 tool holders, 6 cooling assemblies, 601 liquid storage cylinders, 602 connecting plates, 603L-shaped hard tubes, 604 adjusting valves, 605 hoses, 606 hollow discs, 607 connecting pipes, 608 liquid outlet pipes, 609 piston rods, 610 compression springs, 611 connecting rods, 612 baffles, 7 water baffles, 8 collecting hoppers, 9 liquid outlet pipes, 10 liquid outlet valves and 200 cutters.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example one

A lathe cutter grinding device is shown in figures 1-4 and comprises a rack 1, a fixed frame 2, a grinding mechanism 3, a turnover mechanism 4 and a cutter holder 5, wherein the fixed frame 2 is installed at the top of the rack 1, the grinding mechanism 3 is installed on the fixed frame 2, the turnover mechanism 4 is installed at the bottom of the fixed frame 2, and the cutter holder 5 is installed on the turnover mechanism 4.

The sharpening mechanism 3 comprises a sharpening motor 31, a transmission shaft 32, a grinding wheel 33 and a fixing piece 34, the sharpening motor 31 is installed in the middle of the top of the fixing frame 2, the transmission shaft 32 is connected to an output shaft of the sharpening motor 31, the transmission shaft 32 is rotatably connected with the fixing frame 2, the fixing piece 34 is installed on the lower portion of the transmission shaft 32, and the grinding wheel 33 is installed on the fixing piece 34.

The turn-over mechanism 4 comprises a roller cam 40, a tooth-lacking crown gear 41, a mounting frame 42, a rotating shaft 43, a connecting block 44, a connecting shaft 45, a contact disc 46, a cylindrical gear 47, a fixed rod 48 and a tension spring 49, the bottom rotary type of mount 2 is connected with cylinder cam 40, cylinder cam 40 is connected with transmission shaft 32 transmission, cylinder cam 40 bottom is connected with the bull stick, the bottom of bull stick is connected with scarce tooth crown gear 41, the bottom of mount 2 is connected with mounting bracket 42 through welded connection's mode, mounting bracket 42 lower part rotary type is connected with pivot 43, pivot 43 middle part is connected with connecting block 44, connecting axle 45 is connected with on the connecting block 44 rotary type, blade holder 5 is connected with connecting axle 45 left end, the right-hand member of connecting axle 45 is connected with cylindrical gear 47, cylindrical gear 47's right-hand member is connected with contact disc 46, the bottom of mount 2 is connected with dead lever 48, be connected with extension spring 49 between dead lever 48 bottom and the pivot 43 front end.

When the lathe cutter 200 needs to be sharpened, the cutter 200 is fixed on the cutter holder 5, the sharpening motor 31 is started to rotate to drive the transmission shaft 32 to rotate, the transmission shaft 32 rotates to drive the grinding wheel 33 to rotate, meanwhile, the roller cam 40 and the tooth-missing crown gear 41 also rotate, when the near end of the bottom of the roller cam 40 is positioned above the contact disc 46, the transmission shaft 43 is driven to swing anticlockwise under the action of the tension spring 49, the connecting block 44 and the connecting shaft 45 swing anticlockwise along with the connecting shaft, the cutter 200 is contacted with the grinding wheel 33, so that the cutter 200 can be sharpened through the grinding wheel 33, when the far end of the bottom of the roller cam 40 is contacted with the contact disc 46, the roller cam 40 extrudes the contact disc 46 to move downwards, the cylindrical gear 47 moves downwards along with the connecting block 44, the connecting block 44 swings clockwise around the rotating shaft 43, the connecting shaft 45 swings along with the connecting shaft, the cutter holder 5 is driven to move upwards, and the cutter 200 is separated from the grinding wheel 33, at this time, the cylindrical gear 47 is engaged with the toothed portion of the missing crown gear 41, so that the missing crown gear 41 drives the cylindrical gear 47 to rotate 180 degrees to turn over the cutter 200. After the cutter 200 is turned over by 180 degrees, the far end of the bottom of the roller cam 40 is separated from the contact disc 46, so that the cutter 200 is contacted with the grinding wheel 33 again through the tension spring 49, two sides of the cutter 200 can be ground without manual turning, the grinding efficiency of the cutter 200 is improved, and the operation difficulty of workers is reduced.

Example two

On the basis of the first embodiment, please refer to fig. 3, 5, 6 and 7, further comprising a cooling assembly 6, wherein the cooling assembly 6 comprises a liquid storage cylinder 601, a connecting plate 602, an L-shaped hard tube 603, a regulating valve 604, a flexible pipe 605, a hollow disc 606, a connecting pipe 607, a liquid outlet pipe 608, a piston rod 609, a compression spring 610, a connecting rod 611 and a baffle 612, the liquid storage cylinder 601 is installed at the front side of the top of the fixing frame 2, the connecting plate 602 is fixedly connected to the front portion of the rotating shaft 43, the L-shaped hard tube 603 is connected to the connecting plate 602, the regulating valve 604 is installed on the L-shaped hard tube 603, the flexible pipe 605 is connected between the front end of the L-shaped hard tube 603 and the bottom of the liquid storage cylinder 601, the connecting shaft 45 is hollow inside, the rear end of the L-shaped hard tube 603 is rotatably connected to the hollow portion at the right end of the connecting shaft 45 by means of inserting connection, the hollow disc 606 is fixedly connected to the outer side of the left end of the connecting shaft 45, the hollow disc 606 is communicated with the connecting shaft 45, the upper end and the lower end of the hollow disc 606 are both connected with a connecting pipe 607, the connecting pipe 607 is communicated with the inside of the hollow disc 606, a liquid outlet pipe 608 is horizontally connected to the connecting pipe 607, a piston rod 609 is slidably arranged in the connecting pipe 607, a compression spring 610 is connected between the tail end of the piston rod 609 and the tail end of the connecting pipe 607, the compression spring 610 is sleeved on the outer side of the piston rod 609, a connecting rod 611 is connected between the upper piston rod 609 and the lower piston rod 609, the connecting rod 611 is located in the hollow disc 606, and a baffle 612 in contact fit with the piston rod 609 is connected to the bottom of the mounting frame 42.

The clean water is poured into the liquid storage cylinder 601, the regulating valve 604 is opened, the water in the liquid storage cylinder 601 enters the hollow disc 606 through the hose 605, the L-shaped hard tube 603 and the connecting shaft 45, when the connecting shaft 45 swings anticlockwise, the piston rod 609 positioned below is extruded by the baffle 612, the compression spring 610 below is compressed, the compression spring 610 above is stretched, the piston rod 609 above is higher than the liquid inlet of the liquid outlet pipe 608, the water in the hollow disc 606 flows to the top of the cutter 200 through the connecting pipe 607 and the liquid outlet pipe 608, so that the cutter 200 can be cooled, the phenomenon that the cutter 200 is excessively deformed due to heating friction is avoided, and the polishing quality of the cutter 200 is effectively guaranteed. When the connecting shaft 45 swings clockwise, the piston rod 609 below the connecting shaft is separated from the baffle 612, and under the action of the compression spring 610, the piston rod 609 resets to block the liquid outlet of the liquid outlet pipe 608 again, so that the effect of saving water can be achieved.

The grinding wheel grinding machine is characterized by further comprising a water baffle 7, a liquid collecting hopper 8, a liquid discharge pipe 9 and a liquid discharge valve 10, wherein the water baffle 7 and the liquid collecting hopper 8 are installed at the middle part and the lower part of the rack 1 respectively, the water baffle 7 is arranged on the outer side of the grinding wheel 33, the liquid discharge pipe 9 is connected to the bottom of the liquid collecting hopper 8, and the liquid discharge valve 10 is installed on the liquid discharge pipe 9.

The water baffle 7 can block sewage thrown away by the grinding wheel 33 when rotating at high speed, the sewage flows into the liquid collecting hopper 8 to be collected, the workshop environment is prevented from being polluted by the sewage, the liquid discharge valve 10 can be opened after the water in the liquid collecting hopper 8 is filled, and the sewage in the liquid collecting hopper 8 can be discharged through the liquid discharge pipe 9.

The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.

Claims

1. A lathe tool sharpening device, comprising: the device comprises a rack (1), wherein a fixed frame (2) is arranged at the top of the rack (1); the knife sharpening mechanism (3) is arranged on the fixed frame (2); the bottom of the fixed frame (2) is provided with the turnover mechanism (4); the turning mechanism (4) is provided with a cutter holder (5);

the sharpening mechanism (3) comprises: the fixed frame (2) is provided with a sharpening motor (31); the output shaft of the sharpening motor (31) is connected with a transmission shaft (32), and the transmission shaft (32) is rotatably connected with the fixed frame (2); the fixing piece (34) is installed at the lower part of the transmission shaft (32); the grinding wheel (33), the fixed piece (34) is provided with the grinding wheel (33);

the turn-over mechanism (4) comprises: the bottom of the fixed frame (2) is rotatably connected with the roller cam (40), and the roller cam (40) is in transmission connection with the transmission shaft (32); a gear-missing crown gear (41), the bottom of the roller cam (40) is connected with a rotating rod, and the bottom of the rotating rod is connected with the gear-missing crown gear (41); the bottom of the fixing frame (2) is connected with the mounting frame (42); the lower part of the mounting rack (42) is rotatably connected with the rotating shaft (43); the rotating shaft (43) is connected with the connecting block (44); the connecting block (44) is rotatably connected with the connecting shaft (45), and the tool apron (5) is connected with one end of the connecting shaft (45); the other end of the connecting shaft (45) is connected with the cylindrical gear (47); the contact disc (46) is connected with one side of the cylindrical gear (47); the bottom of the fixing frame (2) is connected with the fixing rod (48); a tension spring (49), and the tension spring (49) is connected between the bottom end of the fixed rod (48) and the rotating shaft (43).

2. A lathe tool sharpener according to claim 1, further comprising a cooling assembly (6), the cooling assembly (6) comprising: the liquid storage cylinder (601) is arranged at the top of the fixing frame (2); the connecting plate (602) is fixedly connected to one side, close to the cylindrical gear (47), of the rotating shaft (43); the L-shaped hard pipe (603) is connected to the connecting plate (602), and one end of the L-shaped hard pipe (603) is connected with the contact disc (46); the L-shaped hard pipe (603) is provided with an adjusting valve (604); the hose (605) is connected between the other end of the L-shaped hard tube (603) and the bottom of the liquid storage cylinder (601); one side of the connecting shaft (45) is fixedly connected with the hollow disc (606), and the hollow disc (606) is communicated with the inside of the connecting shaft (45); the connecting pipes (607) are symmetrically connected to two sides of the hollow disc (606), and the connecting pipes (607) are communicated with the inside of the hollow disc (606); the liquid outlet pipe (608) is connected to the connecting pipe (607); the piston rod (609) is arranged in the connecting pipe (607) in a sliding manner; the compression spring (610) is connected between the tail end of the piston rod (609) and the tail end of the connecting pipe (607), and the compression spring (610) is sleeved on the outer side of the piston rod (609); the connecting rod (611) is connected between the piston rods (609), and the connecting rod (611) is positioned in the hollow disc (606); and the bottom of the mounting frame (42) is connected with a baffle (612) in contact fit with the piston rod (609).

3. The lathe tool sharpener of claim 2, further comprising: the water baffle (7) is arranged on the rack (1) close to the fixed frame (2), and the water baffle (7) is arranged on the outer side of the grinding wheel (33); the liquid collecting hopper (8) is arranged on the frame (1) close to the water baffle (7); the bottom of the liquid collecting hopper (8) is connected with a liquid discharging pipe (9); a liquid discharge valve (10), and a liquid discharge pipe (9) is provided with the liquid discharge valve (10).