CN213411378U

CN213411378U - Vertical turntable grinding machine

Info

Publication number: CN213411378U
Application number: CN202021861951.5U
Authority: CN
Inventors: 简煜璋
Original assignee: Bman Manufacturing Zhe Jiang Co ltd
Current assignee: Bman Manufacturing Zhe Jiang Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-11
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a vertical turntable grinder, which comprises a turntable base, wherein the upper end of the turntable base is provided with a turntable tool rest which performs horizontal circular motion, one side of the turntable base is provided with a grinding head base, a grinding wheel and a grinding wheel motor can move along a vertical track under the driving of a servo motor, so that the grinding wheel can move downwards to contact with a workpiece or move upwards to leave the workpiece, the vertical track can perform slope fine adjustment, so that the grinding wheel only contacts with a processed product on one side, the other side keeps away from the space, a pitching support can perform pitching angle adjustment, and a cutter can be ground to form an inclined plane with a thin knife edge and a thick knife back; the grinding wheel in one group of grinding head structure is a coarse grinding wheel, and the grinding wheel in the other group of grinding head structure is a fine grinding wheel, so that the effective grinding stroke of the equipment is greatly improved, the tool rest shaft moves in a unidirectional mode all the time in the machining process, the abrasion of the tool rest shaft is reduced, and the mechanical efficiency is improved; put once and can accomplish coarse grinding and accurate grinding, compare in the horizontal lapping machine of tradition and need use two equipment, put twice, improved efficiency.

Description

Vertical turntable grinding machine

Technical Field

The utility model belongs to the technical field of cutter inclined plane grinding device, specifically speaking are vertical carousel grinds machine.

Background

In the field of cutter grinding, a traditional horizontal grinder is basically used, such as chinese patent CN201621453415.5, which discloses a knife sharpening device of a blade grinder, comprising a box body, an annular seat mounted on the box body, an inner gear ring arranged on the inner wall of the annular seat, a grinding disc positioned in the annular seat, a central gear positioned at the central position of the grinding disc, a plurality of blade clamps arranged on the grinding disc, a first driving mechanism connected with the grinding disc, a second driving mechanism connected with the central gear, and a turn number metering mechanism; the edge of the blade clamp is provided with external teeth meshed with the inner gear ring and the central gear; the first driving mechanism and the second driving mechanism are both positioned in the box body; the first driving mechanism comprises a first rotating shaft connected with the grinding disc, a first gear arranged on the first rotating shaft, a second gear meshed with the first gear and a first motor connected with the second gear; the number of turns metering mechanism comprises a touch switch arranged on the first gear, a counting inductor arranged corresponding to the touch switch, a controller connected with the counting inductor and a display connected with the controller; the controller is connected with the first driving mechanism and the second driving mechanism; the disadvantages of such devices are: 1. in the whole processing period, the effective grinding stroke is less than half of the total stroke, and is about 10-40% according to different product lengths; 2. and because the tool post reciprocates, brake and restart to and fro, increase the abrasion of the tool post shaft, have reduced the mechanical efficiency too; 3. the surface of the product is processed through rough grinding by one set of equipment and fine grinding by the other set of equipment.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims at providing a vertical turntable grinder, which comprises a turntable base, wherein the upper end of the turntable base is provided with a turntable tool rest which performs horizontal circular motion, one side of the turntable base is provided with a grinding head base, a grinding wheel and a grinding wheel motor can move along a vertical track under the drive of a servo motor, so that the grinding wheel can move downwards to contact with a workpiece or move upwards to leave the workpiece, the vertical track can perform inclined fine adjustment, so that the grinding wheel only contacts with a processed product on one side, the other side is kept away from the space, and a pitching support can perform pitching angle adjustment, so that a cutter can be ground to form an inclined plane with a thin tool edge and a thick tool back; the grinding wheel in one group of grinding head structures is a rough grinding wheel and is used for roughly grinding the tool to be machined, and the grinding wheel in the other group of grinding head structures is a fine grinding wheel and is used for finely grinding the tool to be machined; compared with the prior art, the utility model has the positive effects that: compared with the traditional horizontal type flax grinding machine, the vertical type rotary disc grinder of the utility model has the advantages that the effective grinding stroke of the vertical type rotary disc grinder is greatly improved and can reach 50% -80%; the processing period is also reduced due to the reduction of the invalid stroke; the tool rest shaft moves in a unidirectional mode all the time in the machining process, and compared with the reciprocating motion of a traditional horizontal grinding machine, the tool rest shaft grinding machine reduces the abrasion of the tool rest shaft and improves the mechanical efficiency; the device completes coarse grinding and fine grinding under the condition of once placement, and compared with the traditional horizontal grinder which needs two devices, the two-time placement improves the efficiency and saves 1 operator; because the apparatus is normally operated continuously, human downtime is reduced compared to conventional mills.

The technical problem to be solved by the present invention is to provide a vertical turntable grinder, which includes a turntable base, a turntable tool rest disposed on the upper end of the turntable base and capable of performing horizontal circular motion relative to the turntable base, a plurality of stations disposed on the upper surface of the turntable tool rest along the circumference, a corresponding stop block disposed on each station according to the shape of the tool to be machined, the stop block being used to fix the tool to be machined on the station, and when the tool to be machined is fixed on the station, the surface of the tool to be machined to be polished is placed upward relative to the station; the rotary table tool rest is driven by a servo motor to do horizontal circular motion; a grinding head base is arranged on one side of the turntable base, a pitching shaft is arranged at the upper end of the grinding head base and penetrates through the grinding head base, meanwhile, the pitching shaft penetrates through the lower end of a pitching support, and the pitching support rotates relative to the grinding head base through the pitching shaft, so that the angle adjustment of the pitching support is realized; a vertical rail is fixedly arranged on one side, close to the turntable base, of the pitching support, a grinding wheel motor is arranged on the vertical rail and can slide along the vertical rail, and a grinding wheel is arranged at the bottom of the grinding wheel motor; the grinding wheel can rotate at a high speed under the drive of the grinding wheel motor, the grinding wheel and the grinding wheel motor can move along a vertical track under the drive of the servo motor, so that the grinding wheel can move downwards to contact with a workpiece or move upwards to separate from the workpiece, the vertical track can be slightly inclined, so that the grinding wheel only contacts with a processed product on one side, the other side is kept clear, and the pitching support can be used for pitching angle adjustment, so that a cutter can be ground to form an inclined plane with a thin cutter edge and a thick cutter back; the grinding head structure comprises two groups of grinding head structures which are respectively arranged on two side surfaces of the turntable base, wherein a grinding wheel in one group of grinding head structures is a rough grinding wheel and is used for roughly grinding the machined tool, and a grinding wheel in the other group of grinding head structures is a fine grinding wheel and is used for finely grinding the machined tool; the grinding wheel motors are all servo motors.

When the numerical control grinding machine is used, the numerical control device controls the synchronous motion of three servo motion shafts, wherein the three servo motion shafts are respectively a turntable tool rest shaft and grinding wheel motion shafts of two groups of grinding head structures; an operator places a tool to be machined on a turntable tool rest, the turntable tool rest drives the tool to rotate ceaselessly, when one tool to be machined moves below a grinding wheel, the grinding wheel immediately moves downwards to grind the tool, one tool is machined, and the grinding wheel immediately moves upwards to avoid parts which are not to be ground. In this way, during the rotation of the turntable, the grinding wheel repeatedly moves downwards and upwards to finish the grinding processing of the cutter; the grinding head group is used for coarse grinding, and the grinding head group is used for fine grinding; the processed product is collected by an operator; the vertical running paths of the turntable tool rest and the two groups of grinding wheels are set by numerical control programming.

Compared with the prior art, the utility model has the positive effects that: compared with the traditional horizontal type flax grinding machine, the vertical type rotary disc grinder of the utility model has the advantages that the effective grinding stroke of the vertical type rotary disc grinder is greatly improved and can reach 50% -80%; the processing period is also reduced due to the reduction of the invalid stroke; the tool rest shaft moves in a unidirectional mode all the time in the machining process, and compared with the reciprocating motion of a traditional horizontal grinding machine, the tool rest shaft grinding machine reduces the abrasion of the tool rest shaft and improves the mechanical efficiency; the device completes coarse grinding and fine grinding under the condition of once placement, and compared with the traditional horizontal grinder which needs two devices, the two-time placement improves the efficiency and saves 1 operator; because the apparatus is normally operated continuously, human downtime is reduced compared to conventional mills.

Drawings

FIG. 1 is a schematic diagram of a vertical rotary disc grinder according to the present invention;

FIG. 2 is a schematic view of the grinding lines of the tool to be machined according to the present invention;

the labels in the figures are: the grinding machine comprises a rotary table base 1, a rotary table tool rest 2, a machined tool 3, a grinding head base 4, a pitching shaft 5, a pitching support 6, a vertical rail 7, a grinding wheel motor 8 and a grinding wheel 9.

Detailed Description

The present invention will be further described with reference to fig. 1-2 and the following detailed description.

Referring to fig. 1-2, in order to overcome the disadvantages in the prior art, the present invention provides a vertical turntable grinder, which includes a turntable base 1, a turntable blade carrier 2 capable of performing horizontal circular motion relative to the turntable base 1 is disposed at the upper end of the turntable base 1, a plurality of stations are uniformly disposed on the upper surface of the turntable blade carrier 2 along the circumference, each station is provided with a corresponding stop block according to the shape of a tool 3 to be machined, the stop blocks are used for fixing the tool 3 to be machined on the station, and when the tool 3 to be machined is fixed on the station, the surface to be ground of the tool 3 to be machined is placed upward relative to the station; the turntable tool rest 2 is driven by a servo motor to do horizontal circular motion; a grinding head base 4 is arranged on one side of the turntable base 1, a pitching shaft 5 is arranged at the upper end of the grinding head base 4, the pitching shaft 5 penetrates through the grinding head base 4, meanwhile, the pitching shaft 5 penetrates through the lower end of a pitching support 6, and the pitching support 6 rotates relative to the grinding head base 4 through the pitching shaft 5, so that the angle adjustment of the pitching support 6 is realized; a vertical rail 7 is fixedly arranged on one side, close to the turntable base 1, of the pitching support 6, a grinding wheel motor 8 is arranged on the vertical rail 7 and can slide along the vertical rail, and a grinding wheel 9 is arranged at the bottom of the grinding wheel motor 8; the grinding wheel 9 can rotate at a high speed under the drive of the grinding wheel motor 8, the grinding wheel 9 and the grinding wheel motor 8 can move along the vertical track 7 under the drive of the servo motor, so that the grinding wheel 9 can move downwards to contact a workpiece or move upwards to separate from the workpiece, the vertical track 7 can be slightly inclined, so that the grinding wheel only contacts a processed product on one side, the other side is kept clear, and the pitching support 6 can be used for pitching angle adjustment, so that a cutter can be ground to form an inclined plane with a thin edge and a thick back; the grinding head structure comprises two groups of grinding head structures, wherein the two groups of grinding head structures are respectively arranged on two side surfaces of the turntable base 1, the grinding wheel 9 in one group of grinding head structures is a rough grinding wheel and is used for roughly grinding the machined tool 3, and the grinding wheel 9 in the other group of grinding head structures is a fine grinding wheel and is used for finely grinding the machined tool 3; the grinding wheel motors are all servo motors.

The working principle is as follows: when the numerical control grinding machine is used, the numerical control device controls the synchronous motion of three servo motion shafts, wherein the three servo motion shafts are respectively a turntable tool rest shaft and grinding wheel motion shafts of two groups of grinding head structures; an operator places the tool to be machined on a turntable tool rest, the turntable tool rest drives the tool to rotate ceaselessly, and when one tool to be machined moves below a grinding wheel, the grinding wheel immediately moves downwards to grind the tool. After finishing one cutter, the grinding wheel is moved upwards to avoid the part which is not ground. In this way, during the rotation of the turntable, the grinding wheel repeatedly moves downwards and upwards to finish the grinding processing of the cutter; the grinding head group is used for coarse grinding, and the grinding head group is used for fine grinding; the processed product is collected by an operator; the vertical running paths of the turntable tool rest and the two groups of grinding wheels are set by numerical control programming.

To sum up, only embody the preferred technical scheme of the utility model, some changes that the technical staff in the field probably made to some of them all embody the principle of the utility model, all should be the technical scope of the utility model.

Claims

1. The vertical type turntable grinding machine is characterized by comprising a turntable base (1), wherein a turntable tool rest (2) capable of doing horizontal circular motion relative to the turntable base (1) is arranged at the upper end of the turntable base (1), a plurality of stations are uniformly distributed and set on the upper surface of the turntable tool rest (2) along the circumference, and a corresponding stop block is set on each station according to the shape of a tool (3) to be machined; a grinding head base (4) is arranged on one side of the turntable base (1), a pitching shaft (5) is arranged at the upper end of the grinding head base (4), the pitching shaft (5) penetrates through the grinding head base (4), meanwhile, the pitching shaft (5) penetrates through the lower end of a pitching support (6), and the pitching support (6) rotates relative to the grinding head base (4) through the pitching shaft (5), so that the angle adjustment of the pitching support (6) is realized; a vertical rail (7) is fixedly arranged on one side, close to the turntable base (1), of the pitching support (6), a grinding wheel motor (8) is arranged on the vertical rail (7) and can slide along the vertical rail (7), and a grinding wheel (9) is arranged at the bottom of the grinding wheel motor (8); the grinding wheel (9) is driven by the grinding wheel motor (8) to rotate at a high speed, the grinding wheel (9) and the grinding wheel motor (8) slide up and down along the vertical rail (7) under the drive of the servo motor, so that the grinding wheel (9) moves down to contact with a workpiece or moves up to separate from the workpiece, the pitching support (6) is used for adjusting the pitching angle to drive the vertical rail (7) to slightly adjust the inclination angle, so that the grinding wheel (9) only contacts the machined tool (3) on one side, and the other side is kept away, so that the machined tool (3) can be ground into an inclined plane with a thin edge and a thick back.

2. The vertical rotary disc grinder according to claim 1, wherein the stopper is used to fix the tool (3) to be machined to a station, and when the tool (3) to be machined is fixed to the station, the surface to be ground of the tool (3) to be machined is placed upward with respect to the station.

3. A vertical disc grinder as claimed in claim 2, characterised in that the disc head (2) is driven by a servomotor in a horizontal circular motion.

4. A vertical disc grinder according to claim 3, characterized in that the grinding head base (4), the pitch shaft (5), the pitch bracket (6), the vertical rail (7), the grinding wheel motor (8) and the grinding wheel (9) constitute a set of grinding head structures, the vertical disc grinder comprises two sets of grinding head structures which are respectively arranged at two sides of the disc base (1), wherein the grinding wheel (9) in one set of grinding head structures is a rough grinding wheel for rough grinding of the tool (3) to be machined, and the grinding wheel (9) in the other set of grinding head structures is a finish grinding wheel for finish grinding of the tool (3) to be machined.

5. A vertical disc grinder as claimed in claim 4, characterised in that the grinding wheel motors (8) are all servo motors.