CN217045450U

CN217045450U - Automatic mounting device for chicken heart chuck for numerical control machine tool

Info

Publication number: CN217045450U
Application number: CN202220363767.0U
Authority: CN
Inventors: 杨俊�; 闫冬; 吴峰; 曹旺华
Original assignee: Guangzhou Haozhi Electromechanical Co Ltd
Current assignee: Guangzhou Haozhi Electromechanical Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-26
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a heart chuck automatic installation device for digit control machine tool, include: the clamping mechanism comprises a clamping seat, a first driving part and a plurality of clamping jaws, the clamping seat is provided with a supporting end face for placing the heart-shaped chuck, the plurality of clamping jaws are distributed on the periphery of the clamping seat, and the first driving part is used for driving the plurality of clamping jaws to clamp the heart-shaped chuck placed on the supporting end face; the switching rotary table comprises a rotary table and a second driving part, the rotary table is provided with a mounting seat extending towards the side, the clamping mechanism is arranged on the mounting seat, the second driving part is used for driving the rotary table to rotate so as to enable the clamping mechanism to be switched between a first position and a second position, and the supporting end surface is located at a horizontal position when the clamping mechanism is located at the first position; when the clamping mechanism is located at the second position, the supporting end face is located at the vertical position; and when the shifting rod driving mechanism is positioned at the first position, the shifting rod driving mechanism can shift the shifting rod of the heart-shaped chuck to open the heart-shaped chuck. The automatic mounting device can be matched with a manipulator to automatically mount the heart-shaped chuck on a workpiece.

Description

Automatic mounting device for chicken heart chuck for numerical control machine tool

Technical Field

The utility model is used for the machining field especially relates to a chicken heart chuck automatic installation device for digit control machine tool.

Background

When automatic feeding and discharging are realized on an outer circle grinding machine or a lathe, the automatic feeding and discharging can be realized only after a heart-shaped chuck is manually pre-installed on a workpiece, full automation of the whole production and processing process cannot be realized, the labor efficiency is far lower than that of an automatic machine, and if the heart-shaped chuck is matched with the automatic machine, each machined part needs to be configured with one heart-shaped chuck.

The lifting rod of the traditional fixed heart-shaped chuck is fixedly arranged in the prior art, so that when a hoisting clamp is included in a machine tool for clamping, the hoisting clamp is easily interfered with the shifting fork on the top of the machine tool. The shifting lever is replaced by a split type pressing device through manual adjustment, a gland and a lock nut (round nut) are screwed tightly by using a special spanner respectively, when a chuck transversely moves to touch the shifting lever, the shifting lever props against a shifting fork, the shifting fork is forced to jack up by 90 degrees, when a machine tool runs, the shifting fork moves to miss the shifting lever and then returns to the original position under the action of a spring, and therefore the shifting fork can automatically shift the shifting lever to move to complete positioning. Simultaneously the chuck is when lateral shifting, and the driving lever is touch to the shift fork, and the reverse rotation takes place for the shift lever, and the main shaft drives anchor clamps rotatory, and the chuck is rotatory along with anchor clamps, and after the shift fork was walked around to the shift lever, bounce under the effect of spring, another driving lever withstood the shift fork afterwards, accomplishes the installation of anchor clamps, and this kind of mode can alleviate intensity of labour really and realize automaticly to save artifical adjustment time, but has the mechanism too complicated, and the flexibility is weak grade shortcoming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a heart-shaped chuck automatic installation device for digit control machine tool, it can cooperate with the manipulator and realize the installation of heart-shaped chuck on the work piece automatically.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a chicken heart chuck automatic installation device for digit control machine tool, includes:

the clamping mechanism comprises a clamping seat, a first driving part and a plurality of clamping jaws, the clamping seat is provided with a supporting end face for placing a heart-shaped chuck, the clamping jaws are distributed on the periphery of the clamping seat, and the first driving part is used for driving the clamping jaws to clamp the heart-shaped chuck placed on the supporting end face;

the switching rotary table comprises a rotary table and a second driving part, the rotary table is provided with a mounting seat extending towards the side, the clamping mechanism is arranged on the mounting seat, the second driving part is used for driving the rotary table to rotate so as to enable the clamping mechanism to be switched between a first position and a second position, and the supporting end surface is located at a horizontal position when the clamping mechanism is located at the first position; when the clamping mechanism is located at the second position, the supporting end face is located at a vertical position;

and when the clamping mechanism is positioned at the first position, the shifting rod driving mechanism can shift the shifting rod of the heart-shaped chuck clamped by the clamping mechanism so as to open the heart-shaped chuck.

In some embodiments, the clamping seat extends from a first surface to a second surface along the thickness direction, the first surface is connected with the end of the first driving part, the second surface forms the supporting end surface, the clamping seat is provided with a plurality of seat body extension parts extending from the middle part to the periphery along the radial direction, and a space for arranging the clamping jaw is formed between the adjacent seat body extension parts.

In some embodiments, the clamping seat has three seat body extensions, and the clamping mechanism includes three clamping jaws.

In some embodiments, the first driving part includes a clamping jaw air cylinder driving three clamping jaws to act synchronously, the clamping jaw air cylinder is provided with a clamping jaw guide groove extending along the radial direction, and the clamping jaws are correspondingly installed on the clamping jaw guide groove.

In some embodiments, the clamping jaw is provided with a clamping block and an adjusting screw for adjusting the clamping position of the clamping block.

In some embodiments, further comprising:

the first inductive switch is used for detecting the heart-shaped chuck placed on the supporting end face;

and the second inductive switch is used for detecting the workpiece arranged in the heart-shaped chuck.

In some embodiments, further comprising:

the frame extends for a certain height along the height direction, the rotary table is installed on the frame, and the axis of the rotary table extends along the horizontal direction.

In some embodiments, the second driving part includes a turntable cylinder mounted to a backside of the frame.

In some embodiments, the toggle actuator comprises a toggle cylinder mounted to the frame and laterally above the switching turret.

In some embodiments, further comprising:

the workpiece tray is provided with a plurality of stand columns capable of being embedded into inner holes of workpieces.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when a workpiece is arranged on the heart-shaped chuck, the switching rotary table drives the clamping mechanism to be located at the first position, the heart-shaped chuck is clamped on the supporting end face of the clamping seat through the clamping mechanism, the deflector rod driving mechanism stirs the deflector rod of the heart-shaped chuck clamped by the clamping mechanism to open the heart-shaped chuck, the workpiece is placed into the heart-shaped chuck by the manipulator, the deflector rod driving mechanism contracts, the deflector rod of the heart-shaped chuck is tightened, and the workpiece is clamped and fixed. The switching rotary table drives the clamping mechanism to switch to the second position, and at the moment, the manipulator can pick up the workpiece in the horizontal posture together with the heart-shaped chuck and install the workpiece on the machine tool. The technical scheme of the utility model, combine the installation characteristics of work piece on heart chuck and lathe, through switching revolving stage adjustment gesture to can cooperate with the manipulator and realize the follow-up action of grabbing of the installation of heart chuck on the work piece and manipulator automatically. The technical scheme greatly improves the production efficiency of the installation of the heart-shaped chuck on the workpiece and subsequent procedures, and promotes the development of machine tool automation.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of an embodiment of a heart-shaped clamping head

FIG. 3 is a schematic diagram of a usage state structure of the embodiment shown in FIG. 1.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it does not indicate or suggest that the indicated technical features must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as a limitation to the present invention.

In the utility model, the meaning of "several" is one or more, the meaning of "a plurality of" is more than two, "greater than", "less than", "exceed" and so on are understood as not including the number; "above", "below", "within" and the like are understood to include the present numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features is implicitly indicated or that the precedence of the indicated technical features is implicitly indicated.

In the present invention, unless otherwise explicitly defined, the terms "setting," "installing," "connecting," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can be detachably connected and can be integrally formed; may be mechanically connected, may be electrically connected or may be capable of communicating with each other; either internal to the two elements or in an interactive relationship of the two elements. The technical field can reasonably determine the specific meaning of the words in the utility model by combining the specific content of the technical scheme.

Referring to fig. 2, the heart-shaped chuck 1 includes a fixing ring 11 for the shaft-like workpiece 2 to pass through, a plurality of fastening screws 12 penetrating into the fixing ring 11 and in threaded fit with the fixing ring 11 are arranged on the side wall of the fixing ring 11, a gap is also arranged on the side wall of the fixing ring 11, a rotatable shift lever 13 is arranged in the gap, the shaft-like workpiece 2 can be fixed in the fixing ring 11 by the arrangement of the fastening screws 12 and the shift lever 13, and the shaft-like workpiece 2 can be released by the rotation of the shift lever 13; the shifting rod 13 is rotatably connected with the fixing ring 11 through the cam 10 at the end part, the cam extends into the fixing ring 11, the shifting rod 13 is provided with a return spring 14 connected with the fixing ring 11, and the shifting rod 13 can automatically lock the shaft type workpiece 2 through the cam and the return spring 14 through the arrangement of the cam.

Referring to fig. 1, the embodiment of the utility model provides a heart chuck automatic installation device for digit control machine tool can be used for the installation of work piece 2 especially axle type work piece 2 on heart chuck 1 to work piece 2 carries out subsequent machine tool machining. The automatic chicken heart chuck mounting device for the numerical control machine comprises a clamping mechanism 3, a switching rotary table 4 and a deflector rod driving mechanism 5.

The clamping mechanism 3 is used for clamping and positioning the heart-shaped chuck 1 so as to assemble and disassemble the workpiece 2 on the heart-shaped chuck 1. Referring to fig. 1, the clamping mechanism 3 includes a clamping seat 31, a first driving part 32 and a plurality of clamping jaws 33, the clamping seat 31 has a supporting end surface 34 for placing the heart-shaped clamp 1, the plurality of clamping jaws 33 are distributed on the periphery of the clamping seat 31, and the first driving part 32 is used for driving the plurality of clamping jaws 33 to clamp the heart-shaped clamp 1 placed on the supporting end surface 34. In other words, when the heart clamp 1 placed on the supporting end surface 34 needs to be clamped and positioned, the first driving part 32 drives the plurality of clamping jaws 33 to move, so that the plurality of clamping jaws 33 are folded from the periphery to the middle of the clamping seat 31, and finally the heart clamp 1 is stably clamped, and the heart clamp 1 is positioned at the center of the clamping seat 31.

The switching turret 4 is used to adjust the attitude of the gripping mechanism 3 to facilitate the mounting of the workpiece 2 on the heart-shaped chuck 1 and the gripping by the robot. Referring to fig. 1, the switching turret 4 includes a turret 41 and a second driving member 42, the turret 41 has a mounting base 43 extending laterally, the clamping mechanism 3 is provided to the mounting base 43, and the clamping mechanism 3 performs posture adjustment while rotating with the turret 41. Specifically, the second driving component 42 is configured to drive the rotating table 41 to rotate so as to switch the clamping mechanism 3 between a first position and a second position, wherein the supporting end surface 34 is located at a horizontal position when the clamping mechanism 3 is located at the first position, and in this posture, the workpiece 2 can be placed in the heart-shaped chuck 1 in a vertical direction and locked and fixed by the heart-shaped chuck 1. When the clamping mechanism 3 is located at the second position, the supporting end face 34 is located at a vertical position, and in the posture, the workpiece 2 in the heart-shaped chuck 1 is adjusted to be in a horizontal posture from a branch state during installation, so that the manipulator can conveniently grip and then directly and transversely install the workpiece in a chuck of a machine tool.

The utility model discloses an interior rational in infrastructure, action are simple, can self-adaptation regulation in order to adapt to multiple work piece simultaneously, have solved because the lathe will go up the heart and press from both sides and can't realize automatic problem, can accomplish the complete processing of a work piece with the manipulator cooperation simultaneously, can realize the full automatic operation of rectification course of working.

The shifting rod driving mechanism 5 is used for being matched with a shifting rod 13 of the chicken heart chuck 1 to push the shifting rod 13 to rotate, so that the shaft type workpiece 2 is loosened, and the workpiece 2 can be inserted into or taken out of the shifting rod driving mechanism. Referring to fig. 1, when the holding mechanism 3 is in the first position, the lever driving mechanism 5 can move the lever 13 of the heart chuck 1 held by the holding mechanism 3 to open the heart chuck 1.

Referring to fig. 3, when a workpiece 2 is mounted on a heart-shaped chuck 1, the switching rotary table 4 drives the clamping mechanism 3 to be located at the first position, the heart-shaped chuck 1 is clamped on the supporting end face 34 of the clamping seat 31 through the clamping mechanism 3, the deflector rod driving mechanism 5 drives the deflector rod 13 of the heart-shaped chuck 1 clamped by the clamping mechanism 3 to open the heart-shaped chuck 1, the manipulator puts the workpiece 2 into the heart-shaped chuck 1, the deflector rod driving mechanism 5 contracts, the deflector rod 13 of the heart-shaped chuck 1 is tightened, and the workpiece 2 is clamped and fixed through a cam of the deflector rod 13. The switching rotary table 4 drives the clamping mechanism 3 to switch to the second position, and at the moment, the manipulator can pick up the workpiece 2 in the horizontal posture together with the heart-shaped chuck 1 and install the workpiece on the machine tool. The technical scheme of the utility model, combine the installation characteristics of work piece 2 on heart chuck 1 and lathe, through switching over 4 adjustment gestures of revolving stage to can cooperate with the manipulator and realize the follow-up action of grabbing of the installation of heart chuck 1 on work piece 2 and manipulator automatically. The technical scheme greatly improves the production efficiency of the installation and subsequent procedures of the heart-shaped chuck 1 on the workpiece 2 and promotes the development of machine tool automation.

In some embodiments, referring to fig. 1 and 3, the holder 31 extends in the thickness direction from a first face, which is connected to the end of the first drive part, to a second face, which forms a support end face 34 on which the heart piece holder 1 is placed. The clamping seat 31 is provided with a plurality of seat body extension parts 35 extending from the middle part to the periphery along the radial direction, groove-shaped spaces for arranging the clamping jaws 33 are formed between the adjacent seat body extension parts 35, the clamping jaws 33 are sequentially distributed in the corresponding groove-shaped spaces along the circumferential direction, the first driving part 32 can drive the clamping jaws 33 to be folded from the periphery of the clamping seat 31 to the middle part along the groove-shaped spaces, and finally the fixing ring 11 of the heart-shaped chuck 1 is limited at the middle part of the clamping seat 31.

Specifically, referring to fig. 1, the clamping seat 31 has three seat body extension portions 35, an included angle of 120 ° is formed between adjacent seat body extension portions 35, three groove-shaped spaces are defined between the three seat body extension portions 35, the clamping mechanism 3 includes three clamping jaws 33, and the three clamping jaws 33 can be matched and clamped with the outer peripheral surface of the fixing ring 11 of the heart-shaped chuck 1, and accurately realize centering and positioning.

The first driving part 32 can be a driving part such as an air cylinder or an electric push rod, for example, in some embodiments shown in fig. 1, the first driving part 32 includes a clamping jaw air cylinder driving three clamping jaws 33 to move synchronously, the clamping jaw air cylinder is provided with a clamping jaw guide groove 36 extending along the radial direction, the clamping jaws 33 are correspondingly installed on the clamping jaw guide groove 36, and the clamping jaws 33 can move along the clamping jaw guide groove 36 under the driving of the clamping jaw air cylinder to realize the clamping action. In this embodiment, fixture 3 adopts the cylinder as first drive component 32, and the cost is lower, but in the workshop lug connection air supply, it is also more convenient to use.

In some embodiments, referring to fig. 1, the clamping jaws 33 are provided with clamping blocks 37 and adjusting screws 38 for adjusting the clamping positions of the clamping blocks 37, the clamping blocks 37 are arranged on the clamping side of the clamping jaws 33, which are matched with the fixing ring 11 of the heart shaped clamping head 1, and the positions of the clamping blocks 37 on the clamping jaws 33 can be adjusted through the adjusting screws 38, so as to ensure the clamping accuracy of the clamping jaws 33.

In some embodiments, in order to improve the automation level of the whole device, the automatic heart-shaped chuck mounting device for the numerical control machine tool further comprises a first inductive switch and a second inductive switch. The first inductive switch is used for detecting the heart-shaped chuck 1 placed on the supporting end face 34, and when the first inductive switch detects that the heart-shaped chuck 1 is placed on the supporting end face 34, the system controls the first driving part 32 to drive the clamping jaw 33 to automatically clamp. The second inductive switch is used for detecting the workpiece 2 arranged in the heart-shaped chuck 1. When the second inductive switch detects that the workpiece 2 is installed in the heart-shaped chuck 1, the deflector rod driving mechanism 5 automatically retracts, the deflector rod 13 of the heart-shaped chuck 1 is released, and the cam of the deflector rod 13 clamps the workpiece 2.

In some embodiments, referring to fig. 1 and 3, the automatic chicken heart chuck mounting device for the numerical control machine further comprises a frame 6, wherein the frame 6 extends to a certain height along the height direction, a base 61 is arranged at the bottom of the frame 6, a rotary table 41 is mounted on the frame 6, and the axis of the rotary table 41 extends along the horizontal direction. The frame 6 is used for supporting the clamping mechanism 3, the switching turntable 4, the shifting lever driving mechanism 5 and the like, and limiting the relative position relation of the mechanisms so as to ensure the coordination of the mechanisms.

The second driving part 42 can be a motor or an air cylinder, for example, in some embodiments shown in fig. 1, the second driving part 42 includes a turntable air cylinder mounted on the back side of the frame 6, and the switching turntable 4 uses the air cylinder as the second driving part 42, so that the cost is lower, the air source can be directly connected in a workshop, and the use is more convenient.

The deflector rod driving mechanism 5 can be a cylinder or an electric push rod, for example, in some embodiments shown in fig. 1, the deflector rod driving mechanism 5 includes a deflector rod cylinder, an output end of the deflector rod cylinder is provided with a push plate 51 for pushing the deflector rod, the deflector rod cylinder is mounted on the frame 6 and located above the side of the switching rotary table 4, and a main body portion of the deflector rod cylinder is located on the back side of the frame 6 to avoid interference to the manipulator for picking and placing the workpiece 2 on the clamping mechanism 3.

In some embodiments, referring to fig. 3, the automatic heart-shaped chuck mounting device for a numerical control machine further comprises a workpiece tray 7, the workpiece tray 7 is used for bearing the workpiece 2, the workpiece tray 7 is provided with a plurality of upright posts 71 capable of being embedded into inner holes of the workpiece 2, and the upright posts are uniformly arranged on the workpiece tray 7, so that the automatic grabbing by a manipulator is facilitated.

In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.

Claims

1. The utility model provides a heart chuck automatic installation device for digit control machine tool which characterized in that includes:

2. The automatic heart-shaped chuck mounting device for the numerical control machine according to claim 1, wherein the clamping seat extends from a first surface to a second surface along a thickness direction, the first surface is connected with an end of the first driving part, the second surface forms the supporting end surface, the clamping seat has a plurality of seat body extension parts extending from a middle part to an outer periphery along a radial direction, and a space for arranging the clamping jaws is formed between the adjacent seat body extension parts.

3. The automatic heart-shaped chuck mounting device for the numerical control machine tool according to claim 2, wherein the clamping seat is provided with three seat body extension parts, and the clamping mechanism comprises three clamping jaws.

4. The automatic heart-shaped chuck mounting device for the numerical control machine according to claim 3, wherein the first driving part comprises a clamping jaw cylinder for driving three clamping jaws to synchronously act, the clamping jaw cylinder is provided with a clamping jaw guide groove extending along the radial direction, and the clamping jaws are correspondingly mounted on the clamping jaw guide groove.

5. The automatic heart-shaped chuck mounting device for the numerical control machine tool according to claim 4, wherein the clamping jaw is provided with a clamping block and an adjusting screw for adjusting the clamping position of the clamping block.

6. The automatic heart-shaped chuck mounting device for the numerical control machine tool according to claim 1, further comprising:

7. The automatic heart-shaped chuck mounting device for the numerical control machine tool according to claim 1, further comprising:

8. The automatic heart-shaped chuck mounting device for the numerical control machine tool according to claim 7, wherein the second driving part comprises a turntable cylinder mounted on the back side of the frame.

9. The automatic heart-shaped chuck mounting device for the numerical control machine according to claim 7, wherein the deflector driving mechanism comprises a deflector cylinder, and the deflector cylinder is mounted on the frame and located laterally above the switching turntable.

10. The automatic heart-shaped chuck mounting device for the numerical control machine tool according to claim 1, further comprising:

the workpiece tray is provided with a plurality of upright posts capable of being embedded into inner holes of workpieces.