CN210099721U

CN210099721U - Automatic tool changing device suitable for grinding machine

Info

Publication number: CN210099721U
Application number: CN201920741790.7U
Authority: CN
Inventors: 郑岳光
Original assignee: Shanghai Hundred Strong Machinery Co Ltd
Current assignee: Shanghai Hundred Strong Machinery Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-21
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an automatic tool changing device suitable for grinding machine, which comprises a housin, open one side of casing has the cutter changing mouth, the inside of casing rotates through the bearing and is connected with the bull stick, and the outer wall fixed mounting of bull stick has the cutter mounting disc, outer wall fixed mounting all around of cutter mounting disc has the cutter of different specifications, the internally mounted of casing has actuating mechanism, and actuating mechanism includes fixed mounting in the inside step motor of casing and fixed mounting in the fluted disc of bull stick bottom. The utility model discloses a step motor who sets up can drive the cam and rotate, with first shuttle one end jack-up, makes the second shuttle decline, and then makes rack card go into the fluted disc, and the cam continues to rotate, drives the transfer line motion, and then promotes the fluted disc and rotates certain angle, finally makes the cutter mounting disc rotate corresponding angle, and then automatic tool changing, step motor continuous operation can accomplish and continue the tool changing, through the part cooperation, has good tool changing precision.

Description

Automatic tool changing device suitable for grinding machine

Technical Field

The utility model relates to a machine-building technical field especially relates to an automatic tool changing device suitable for grinding machine.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining method can be divided into cutting machining and pressing machining. A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. When a traditional surface grinding machine is used for changing tools, the tools need to be manually disassembled from the grinding machine and reinstalled, the whole process is inconvenient, and the machining efficiency is affected.

Through retrieval chinese patent application No. 201320712137.0, disclose an automatic tool changing system of flat grinder, including the main shaft, the main shaft front portion is equipped with edge of a knife anchor clamps, be equipped with self-lock device on the edge of a knife anchor clamps, the main shaft rear is equipped with the stand, the stand right side is equipped with the small-size manipulator, the small-size manipulator right side is equipped with the cutter frame, the stand left side is equipped with the controller. Above-mentioned patent still need get the cutter and put when carrying out the tool changing, and whole process is still comparatively loaded down with trivial details, so still has certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automatic tool changer suitable for a grinding machine.

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

the utility model provides an automatic tool changing device suitable for grinding machine, includes the casing, open one side of casing has the trade edge of a knife, the inside of casing is rotated through the bearing and is connected with the bull stick, and the outer wall fixed mounting of bull stick has the cutter mounting disc, outer wall fixed mounting all around of cutter mounting disc has the cutter of different specifications, the internally mounted of casing has actuating mechanism, and actuating mechanism includes fixed mounting in the inside step motor of casing and fixed mounting in the fluted disc of bull stick bottom, step motor's output shaft fixed mounting has the cam, inside one side fixed mounting of casing has the fixed block, and the fixed block rotates through the bearing and is connected with first shuttle.

Furthermore, a first sliding groove is formed in one side of the inner wall of the shell, a sliding block is connected to the inner wall of the first sliding groove in a sliding mode, and a connecting rod is connected to the outer wall of the top of the sliding block through a hinge.

Furthermore, one side of the connecting rod and one side of the first shuttle plate are both connected with the same second shuttle plate through hinges, an oval groove is formed in the central axis of the second shuttle plate, and the second shuttle plate is sleeved outside the rotating rod.

Furthermore, one side of the cam is connected with a transmission rod through a hinge, a rack meshed with the fluted disc is fixedly installed on one side of the transmission rod, a second sliding groove is formed in one side of the transmission rod, and a convex block in sliding connection with the second sliding groove is rotatably connected to one side of the second shuttle plate through a bearing.

Furthermore, a fixed column is fixedly mounted on one side, close to the cam, of the inner wall of the shell, a moving arc-shaped abutting block is connected to the outer wall of the fixed column in a sliding mode, and a compression spring is sleeved on one side, close to the moving arc-shaped abutting block, of the fixed column.

Further, joint fixed establishment is installed to one side outer wall of casing, and joint fixed establishment includes the mounting panel of fixed mounting in casing one side and the L type fixture block of two symmetric distributions, and the bottom outer wall fixed mounting of mounting panel has the pneumatic cylinder, the bottom outer wall fixed mounting of pneumatic cylinder have with the protruding type cardboard of L type fixture block looks adaptation.

Furthermore, the bottom outer wall of the convex clamping plate is fixedly provided with a mounting column, the bottom outer wall of the mounting column is fixedly provided with clamping columns distributed at equal intervals, and one side, close to the cutter, of the top outer wall of the cutter mounting disc is provided with clamping holes matched with the clamping columns.

Compared with the prior art, the utility model provides an automatic tool changer suitable for grinding machine possesses following beneficial effect:

1. this automatic tool changing device suitable for grinding machine can drive the cam through the step motor who sets up and rotate, with first shuttle one end jack-up, makes the second shuttle descend, and then makes rack card go into the fluted disc, and the cam continues to rotate, drives the transfer line motion, and then promotes the fluted disc and rotates certain angle, finally makes the cutter mounting disc rotate corresponding angle, and then automatic tool changing, step motor continuous operation can accomplish and continue the tool changing, through the part cooperation, has good tool changing precision.

2. This automatic tool changer suitable for grinding machine, through the joint fixed establishment who sets up, can make protruding type cardboard card go into between two L type fixture blocks through the pneumatic cylinder to go into the card downthehole with the card post card, accomplish the joint locking to the cutter mounting disc, accomplish quick fixed after the tool changing.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize automatic tool changing and handle to can carry out the joint locking to the cutter mounting disc, accomplish quick fixed behind the tool changing.

Drawings

Fig. 1 is a schematic structural view of a driving mechanism of an automatic tool changer suitable for a grinding machine according to the present invention;

fig. 2 is a schematic structural view of a transmission rod of an automatic tool changer suitable for a grinding machine according to the present invention;

fig. 3 is a schematic overall front view structure diagram of an automatic tool changer suitable for a grinding machine according to the present invention;

fig. 4 is the utility model provides a joint fixing mechanism spatial structure sketch map suitable for automatic tool changer of grinding machine.

In the figure: the device comprises a shell 1, a transmission rod 2, a stepping motor 3, a cam 4, a moving arc-shaped abutting block 5, a fixed column 6, a compression spring 7, a first shuttle plate 8, a fixed block 9, a rack 10, a cutter 11, a cutter mounting plate 12, a fluted disc 13, a second shuttle plate 14, a clamping hole 15, a knife changing edge 16, a connecting rod 17, a sliding block 18, a convex block 19, a convex clamping plate 20, a mounting plate 21, a hydraulic cylinder 22, an L-shaped clamping block 23, a mounting column 24 and a clamping column 25.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, an automatic tool changer suitable for a grinding machine comprises a shell 1, a tool changing port 16 is formed in one side of the shell 1, the inside of the shell 1 is rotatably connected with a rotating rod through a bearing, a tool mounting disc 12 is fixed on the outer wall of the rotating rod through bolts, tools 11 of different specifications are fixed on the outer wall of the tool mounting disc 12 through bolts, a driving mechanism is mounted inside the shell 1 and comprises a stepping motor 3 fixed inside the shell 1 through bolts and a fluted disc 13 fixed at the bottom end of the rotating rod through bolts, a cam 4 is fixed on an output shaft of the stepping motor 3 through bolts, a fixing block 9 is fixed on one side of the inside of the shell 1 through bolts, and the fixing block 9 is rotatably connected with a first shuttle plate 8 through a bearing.

The utility model discloses in, it has first spout to open on one side of the inner wall of casing 1, and the inner wall sliding connection of first spout has slider 18, and there is connecting rod 17 at slider 18's top outer wall through hinged joint.

Wherein, one side of connecting rod 17 and first shuttle 8 all has same second shuttle 14 through hinged joint, and the axis department of second shuttle 14 opens has the oval groove, and second shuttle 14 cup joints in the bull stick outside.

Wherein, one side of the cam 4 is connected with a transmission rod 2 through a hinge, one side of the transmission rod 2 is fixed with a rack 10 meshed with the fluted disc 13 through a bolt, one side of the transmission rod 2 is provided with a second chute, and one side of the second shuttle plate 14 is rotatably connected with a convex block 19 in sliding connection with the second chute through a bearing.

Wherein, the welding of one side that the inner wall of casing 1 is close to cam 4 has fixed column 6, and the outer wall sliding connection of fixed column 6 has the removal solitary piece 5 of supporting, and fixed column 6 is close to the removal arc and is supported one side of piece 5 and cup jointed compression spring 7.

Example 2

Referring to fig. 1-4, an automatic tool changer suitable for grinding machine, this embodiment compare in embodiment 1 and still include the joint fixed establishment of one side outer wall installation of casing 1, and joint fixed establishment is including welding in mounting panel 21 and two L type fixture blocks 23 of symmetric distribution of casing 1 one side, and the bottom outer wall of mounting panel 21 is fixed with pneumatic cylinder 22 through the bolt, and the welding of the bottom outer wall of pneumatic cylinder 22 has protruding cardboard 20 with L type fixture block 23 looks adaptation.

Wherein, the bottom outer wall of protruding type cardboard 20 is through welding erection column 24, and the bottom outer wall welding of erection column 24 has the card post 25 of equidistance distribution, and the card hole 15 with card post 25 looks adaptation is all opened to the top outer wall of cutter mounting disc 12 one side that is close to cutter 11.

The working principle is as follows: when a tool needs to be changed in the using process, the stepping motor 3 is started to drive the cam 4 to rotate, the cam 4 jacks up one end of the first shuttle plate 8 to enable the second shuttle plate 14 to descend, so that the rack 10 is clamped into the fluted disc 13, the cam 4 continues to rotate to drive the transmission rod 2 to move, the fluted disc 13 is pushed by the rack 10 to rotate for a certain angle, and finally the tool mounting disc 12 rotates for a corresponding angle to realize automatic tool changing, when the stepping motor 3 drives the cam 4 to rotate in the second half section, the cam 4 loses extrusion on the first shuttle plate 8, the compression spring 7 jacks up the movable arc-shaped abutting block 5 to enable one end of the first shuttle plate 8 to descend, so that the second shuttle plate 14 is lifted up, so that the rack 10 is separated from the fluted disc 13, after the tool changing is completed, the hydraulic cylinder 22 enables the convex clamping plate 20 to be clamped between the two L-shaped clamping blocks 23, and clamps the clamping column 25 into the clamping hole 15, and after tool changing, the tool can be quickly fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic tool changer suitable for a grinding machine comprises a shell (1) and is characterized in that, a knife changing opening (16) is arranged on one side of the shell (1), a rotating rod is rotatably connected inside the shell (1) through a bearing, and the outer wall of the rotating rod is fixedly provided with a cutter mounting disc (12), the outer walls of the periphery of the cutter mounting disc (12) are fixedly provided with cutters (11) with different specifications, the interior of the shell (1) is provided with a driving mechanism, and the driving mechanism comprises a stepping motor (3) fixedly arranged in the shell (1) and a fluted disc (13) fixedly arranged at the bottom end of the rotating rod, a cam (4) is fixedly arranged on an output shaft of the stepping motor (3), a fixed block (9) is fixedly arranged on one side inside the shell (1), and the fixed block (9) is rotatably connected with a first shuttle plate (8) through a bearing.

2. The automatic tool changing device suitable for the grinding machine is characterized in that a first sliding groove is formed in one side of the inner wall of the shell (1), a sliding block (18) is connected to the inner wall of the first sliding groove in a sliding mode, and a connecting rod (17) is connected to the outer wall of the top of the sliding block (18) through a hinge.

3. The automatic tool changing device suitable for the grinding machine is characterized in that the connecting rod (17) and one side of the first shuttle plate (8) are connected with the same second shuttle plate (14) through hinges, an elliptical groove is formed in the central axis of the second shuttle plate (14), and the second shuttle plate (14) is sleeved outside the rotating rod.

4. The automatic tool changer for the grinding machine is characterized in that one side of the cam (4) is connected with a transmission rod (2) through a hinge, one side of the transmission rod (2) is fixedly provided with a rack (10) meshed with the fluted disc (13), one side of the transmission rod (2) is provided with a second sliding groove, and one side of the second shuttle plate (14) is rotatably connected with a convex block (19) in sliding connection with the second sliding groove through a bearing.

5. The automatic tool changing device suitable for the grinding machine is characterized in that a fixed column (6) is fixedly installed on one side, close to the cam (4), of the inner wall of the shell (1), a moving arc-shaped abutting block (5) is connected to the outer wall of the fixed column (6) in a sliding mode, and a compression spring (7) is sleeved on one side, close to the moving arc-shaped abutting block (5), of the fixed column (6).

6. The automatic tool changer suitable for the grinding machine is characterized in that a clamping fixing mechanism is mounted on the outer wall of one side of the shell (1), the clamping fixing mechanism comprises a mounting plate (21) fixedly mounted on one side of the shell (1) and two L-shaped clamping blocks (23) which are symmetrically distributed, a hydraulic cylinder (22) is fixedly mounted on the outer wall of the bottom of the mounting plate (21), and a convex clamping plate (20) matched with the L-shaped clamping block (23) is fixedly mounted on the outer wall of the bottom of the hydraulic cylinder (22).

7. The automatic tool changer suitable for the grinding machine is characterized in that the outer wall of the bottom of the convex clamping plate (20) is fixedly provided with mounting columns (24), the outer wall of the bottom of each mounting column (24) is fixedly provided with clamping columns (25) distributed at equal intervals, and the outer wall of the top of the cutter mounting disc (12) close to the cutter (11) is provided with clamping holes (15) matched with the clamping columns (25).