CN115971936A - Tool claw is to tool claw and is got sword mechanism - Google Patents

Abstract

The invention is suitable for the technical field of tool magazine tool taking equipment, and provides a tool claw pair tool claw tool taking mechanism, which comprises a main frame body, wherein the top of the main frame body is provided with a rotary tool magazine and a tool taking mechanism, and the tool taking mechanism comprises: the main frame body is fixedly provided with a sliding driving piece; the tool clamping assembly is rotatably installed on the installation seat, the rotation driving piece is arranged on the installation seat, the tool clamping assembly comprises a shell and a clamping head, a jack-prop is arranged inside the clamping head, when a tool is jacked into the clamping head for the first time, the jack-prop retracts to enable the clamping head to jack a clamping tool, when the tool is pressed to the root of the clamping head again, the jack-prop retracts to rotate 90 degrees, and the clamping head loosens the tool.

Description

Tool claw is to tool claw and is got sword mechanism

Technical Field

The invention relates to the technical field of tool magazine tool taking equipment, in particular to a tool claw to tool claw tool taking mechanism.

Background

At present, for the tool changing technology of a machine tool, a common horizontal tool magazine in the industry is used for transferring a tool sleeve to downwards transfer and buckle a tool from the upper part, then the tool sleeve is separated from the tool sleeve after the tool sleeve is transferred to a tool arm of a tool waiting area, and then the tool arm transfers the tool to a main shaft end for tool changing (see the structures shown in the attached drawings 1 and 2).

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

Disclosure of Invention

In view of the above-mentioned drawbacks, an object of the present invention is to provide a mechanism for taking a knife from a knife claw to a knife claw, which can ensure that a knife is clamped without using an air cylinder or an electric cylinder by providing a novel knife clamping assembly, and meanwhile, the assembly adopts a pure mechanical structure, so that the clamping state of the knife can be always maintained when the power is off or the air is off, thereby increasing the safety and reliability of knife clamping and reducing the processing cost of the device.

In order to achieve the above object, the present invention provides a tool claw to tool claw taking mechanism, which includes a main frame body, wherein a rotary tool magazine is arranged on the top of the main frame body, a tool taking mechanism is arranged on one side of the main frame body, which is located on the rotary tool magazine, and the tool taking mechanism includes: the main frame body is fixedly provided with a sliding driving piece which drives the main frame body to slide; rotate install in clamp sword subassembly on the mount pad, be equipped with the drive on the mount pad clamp sword subassembly pivoted rotation driving piece, clamp sword subassembly include the casing with rotate connect in the holding head at the both ends of casing, the inside in the centre gripping space that the holding head formed is equipped with the fore-set, when the cutter is pushed up into the holding head inside for the first time, the fore-set retraction will the centre gripping is withstood to the holding head the cutter is compressed once more during the root of holding head, the retraction is withstood and rotates 90, this moment the holding head loosens the cutter.

According to the tool claw to tool claw tool taking mechanism, the two ends of the shell are provided with the installation spaces for installing the clamping heads, the installation spaces are internally provided with the sliding parts for the ejection columns to slide, the sliding parts are internally provided with the sliding holes, and the inner walls of the sliding holes are provided with four guide grooves which are uniformly arranged.

According to the tool claw to tool claw tool taking mechanism, the outer wall of the top column is slidably provided with the guide protruding column matched with the guide groove, the bottom of the guide protruding column is provided with the first thrust spring which extends the guide protruding column to the outside of the top column, the top column rotates 90 degrees when the top column is forced to retract into the sliding hole every time, the clamping spring which extends the top column is arranged between the top column and the bottom of the installation space, the bottom of the installation space is provided with the guide column, the front end of the top column is provided with the guide hole in sliding fit with the guide column, and the clamping spring is sleeved on the outside of the guide column.

According to the tool claw to tool claw tool taking mechanism, the guide groove comprises a vertical guide groove parallel to the axis of the sliding hole and a chute connecting the two vertical guide grooves, a limiting bulge for limiting the movement direction of the guide convex column is arranged at the position, located at the initial end of the chute, of the vertical guide groove, and the limiting bulge comprises a slope part, and the slope part is located on one side, away from the chute, of the limiting bulge.

According to the tool claw to tool claw tool taking mechanism, the rotating pins are arranged on two sides of the ejection column in the installation space, the clamping head is rotatably installed on the rotating pins, and the clamping head comprises the clamping part located outside the installation space and the stress part located inside the installation space.

According to the tool claw to tool claw tool taking mechanism, stress heads are arranged on two sides of the installation space in a sliding mode, compression springs for extending the stress heads to the inside of the installation space are arranged at the bottoms of the stress heads, the tops of the stress heads abut against the stress parts, and under the action of the stress heads, clamping parts of two clamping heads are far away from each other.

According to the tool claw to tool claw tool taking mechanism, one end, located inside the installation space, of the ejection column is provided with the cam, one side, away from the stress head, of the stress portion of the clamping head abuts against the outer wall of the cam at any time, the ejection column rotates, and the stress portion is ejected to swing around the rotating pin.

According to the tool claw to tool claw tool taking mechanism, the rotary tool magazine comprises a plurality of uniformly arranged tool placing heads, each tool placing head comprises two mutually matched clamping blocks, and one ends of the two clamping blocks, which are far away from a tool, are provided with second thrust springs.

According to the tool claw to tool claw tool taking mechanism, the clamping part comprises an arc-shaped section and a straight line section which are matched with the outer wall of the tool, and the straight line section is used for supplying stress to the tool and pressing the ejection column to stretch.

The invention provides a cutter claw to cutter claw taking mechanism, which comprises a main frame body, wherein a rotary cutter storage is arranged at the top of the main frame body, a cutter is stored and conveyed through the rotary cutter storage, the subsequent cutter taking and placing operation is convenient, a cutter taking mechanism is arranged on one side of the main frame body, which is positioned on the rotary cutter storage, a driving mechanism is used for taking and placing a cutter on a cutter placing head in the rotary cutter storage, and the automation of taking and placing the cutter in the cutter storage is realized, and the cutter taking mechanism comprises: the main frame body is fixedly provided with a sliding driving piece which drives the main frame body to slide, and the sliding driving piece drives the mounting seat to slide so as to ensure that a cutter clamping assembly on the mounting seat can normally pick, place and clamp a cutter; the tool clamping device comprises a mounting seat, a clamping tool assembly rotatably mounted on the mounting seat, a rotary driving piece for driving the clamping tool assembly to rotate is arranged on the mounting seat, the clamping tool assembly comprises a shell and clamping heads rotatably connected to two ends of the shell, it is ensured that after the clamping head at one end of the clamping tool assembly clamps a tool, the clamping head at the other end can rotate 180 degrees under the action of the rotary driving piece, then the tool is clamped, and the simultaneous clamping operation of a plurality of tools is realized.

Drawings

FIG. 1 is a schematic perspective view of a prior art knife-removing apparatus;

FIG. 2 is a schematic view of a conventional clamp of the prior art;

FIG. 3 is a perspective view of the clamping blade assembly of the present invention;

FIG. 4 is a cross-sectional view of the clamping knife assembly of the present invention;

FIG. 5 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 4;

FIG. 6 is a schematic view of the internal structure of the housing of the knife holder assembly of the present invention;

FIG. 7 is an enlarged view of the portion B of FIG. 6;

FIG. 8 is a schematic view of the construction of the top post of the present invention;

FIG. 9 is a schematic perspective view of a gripping head of the present invention;

FIG. 10 is a perspective view of the cutting tool of the present invention;

FIG. 11 is a schematic view of the clamping knife assembly and tool placement head mating arrangement of the present invention;

in the figure, 1-main frame, 2-rotary tool magazine, 3-sliding drive, 4-conventional clamp, 41-clamp cylinder, 42-clamp head, 43-locating block, 44-clamp housing, 5-cutter, 6-mounting seat, 7-cutter placing head, 71-clamping block, 72-second thrust spring, 8-clamp assembly, 81-housing, 811-sliding hole, 812-guide groove, 813-guide post, 814-limit projection, 815-inclined groove, 816-vertical guide groove, 82-mounting hole, 83-clamping head, 831-arc segment, 832-straight segment, 833-pin hole, 834-stress part, 84-ejection post, 841-guide hole, 842-cam, 85-compression spring, 86-stress head, 87-guide convex column, 88-first thrust spring, 89-clamping spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1, 3, 4 and 5, the present invention provides a gripper-to-gripper tool picking mechanism, which includes a main frame 1, wherein a rotary magazine 2 is disposed on a top of the main frame 1, and a tool 5 is stored and conveyed by the rotary magazine 2, so as to facilitate subsequent tool 5 picking and placing operations, the gripper picking mechanism is disposed on one side of the main frame 1 located on the rotary magazine 2, and the gripper picking mechanism performs picking and placing operations on a tool 5 on a tool placing head 7 inside the rotary magazine 2, so as to achieve automation of the magazine picking and placing of the tool 5, and the gripper picking mechanism includes: the main frame body 1 is fixedly provided with a sliding driving piece 3 (an electric cylinder or an air cylinder can be adopted) for driving the main frame body 1 to slide, and the sliding driving piece 3 drives the mounting seat 6 to slide so as to ensure that a cutter clamping assembly 8 on the mounting seat 6 can normally pick, place and clamp the cutter 5; the utility model discloses a cutter clamping device, including the installation seat 6, the installation seat 6 is equipped with the drive the cutter clamping device 8 pivoted rotates driving piece (can adopt and rotate motor or cylinder), rotates driving piece's output shaft and the mounting hole 82 fixed coordination on the casing, cutter clamping device 8 include casing 81 and rotate connect in the holding head 83 at the both ends of casing 81, guarantee to carry out the centre gripping back to cutter 5 at the holding head 83 of cutter clamping device 8 wherein one end, the holding head 83 of the other end can rotate 180 under the effect of rotating the driving piece, then carry out the centre gripping to cutter 5, realized the operation of a plurality of cutter 5 centre grippings, the inside in the centre gripping space that holding head 83 formed is equipped with fore-set 84, when cutter 5 is pushed into the holding head 83 inside for the first time, fore-set 84 contracts and will cutter 83 withholds cutter 5, when cutter 5 is pressed once more the root of holding head 83, withhold and rotate 90, at this moment cutter clamping head 83 unclamps cutter 5, realize carrying out the intermittent type clamping operation to cutter 5 through mechanical structure, optimize cutter clamping device 8's structure.

Referring to fig. 1, 3, 4, 5, 6, 7 and 8, it is preferable that the housing 81 of the present invention has mounting spaces for mounting the clamping heads 83 at both ends thereof, a sliding portion for the top post 84 to slide is provided inside the mounting spaces, a sliding hole 811 is provided inside the sliding portion to ensure that the top post 84 can be contracted by the force of the tool 5, the top post 84 is matched with a slot on the tool 5 to position the tool 5 and prevent the tool 5 from being deviated, four guide grooves 812 are provided on the inner wall of the sliding hole 811, four guide grooves 812 are ensured to guide the top post 84, the top post 84 rotates 90 ° at one time of expansion and contraction, a guide boss 87 matched with the guide groove 812 is slidably provided on the outer wall of the top post 84, a first thrust spring 88 for extending the guide boss 87 to the outside of the top post 84 is provided at the bottom of the guide boss 87, the guide convex column 87 is matched with the guide groove 812, when the top column 84 is stressed to retract into the sliding hole 811 every time, the top column 84 rotates 90 degrees, the fact that when the cutter 5 is stressed to enter a clamping area inside the clamping head 83 for the first time is guaranteed, the top column 84 is stressed to rotate and then acts on the clamping head 83, the clamping head 83 clamps the cutter 5, meanwhile when the top column 84 is stressed to compress to stretch and retract for the second time, the clamping head 83 is loosened, the cutter 5 is not clamped, repeated and alternate operation is carried out, a clamping spring 89 extending out of the top column 84 is arranged between the top column 84 and the bottom of the installation space, the bottom of the installation space is provided with a guide column 813, the front end of the top column 84 is provided with a guide hole 841 in sliding fit with the guide column 813, the clamping spring 89 is sleeved outside the guide column 813, the top post 84 is prevented from deflecting by the cooperation of the guide post 813 and the guide hole 841, while the clamping spring 89 is provided to ensure that the top post 84 can be normally extended and retracted.

In addition, the guide groove 812 of the present invention includes a vertical guide groove 816 parallel to the axis of the sliding hole 811 and a chute 815 connecting the two vertical guide grooves 816, and when the top pillar 84 is retracted into the sliding hole 811 by the chute 815, the guide boss 87 is engaged with the chute 815 to rotate the top pillar 84 by 90 °, and then when the top pillar 84 is not subjected to a force, the guide boss 87 on the top pillar 84 slides along the corresponding vertical guide groove 816 to guide and position the rotation of the top pillar 84, a position of the vertical guide groove 816 at the initial end of the chute 815 is provided with a limit protrusion 814 for limiting the movement direction of the guide boss 87, and the limit protrusion 814 includes a slope portion located at a side of the limit protrusion 814 away from the chute 815 to ensure that the guide boss 87 always slides along the vertical guide groove 816 when the top pillar 84 is extended, and when the top pillar 84 is retracted, the guide boss 87 can slide along the chute 815 and rotate the top pillar 84 by 90 °, thereby realizing the guiding and positioning operation of the top pillar 84.

Referring to fig. 8, 9 and 10, further, rotation pins are disposed at two sides of the top pillar 84 inside the installation space of the present invention, the clamping head 83 is rotatably mounted on the rotation pins through a pin hole 833, so as to ensure a normal rotation process of the clamping head 83, the clamping head 83 includes a clamping portion located outside the installation space and a force receiving portion 834 located inside the installation space, force receiving heads 86 are slidably disposed at two sides of the installation space, a pressing spring 85 that extends the force receiving head 86 into the installation space is disposed at the bottom of the force receiving head 86, the top of the force receiving head 86 abuts against the force receiving portion 834, under the action of the force receiving heads 86, the clamping portions of the two clamping heads 83 are separated from each other, a cam 842 is disposed at one end of the top pillar 84 located inside the installation space, one side of the force receiving portion 834 of the force receiving head 83, which is separated from the force receiving head 86, abuts against an outer wall of the cam 842, the top pillar 84 rotates, and the force receiving portion swings around the rotation pins, so as to control the clamping portion 5 and the clamping tool to be loosened.

Preferably, a cam 842 is provided at one end of the top pillar 84 located inside the installation space, one side of the force receiving portion 834 of the clamping head 83, which is far away from the force receiving head 86, is constantly in contact with an outer wall of the cam 842, the top pillar 84 rotates to push the force receiving portion 834 to swing around the rotating pin, and by providing the structure of the cam 842, when the top pillar 84 extends and retracts and rotates, the cam 842 can act on the force receiving portion 834 on the clamping head 83 when the top pillar 84 rotates 90 ° each time, so as to alternately clamp and unclamp the tool 5.

Preferably, the clamping portion of the present invention includes an arc-shaped section 831 and a straight section 832 which are engaged with an outer wall of the tool 5, and the straight section 832 is used for providing a space for the tool 5 to be forced to press the top pillar 84 to extend and retract, so as to provide a certain moving space for the tool 5, and prevent the tool 5 from being locked and unable to push the top pillar 84 to extend and retract.

In the comparative example of the present invention, with reference to fig. 1 and fig. 2, a plurality of clamp cylinders 41 are provided in the conventional clamp 4 to control each clamp cylinder 41 to control a clamp head 42, so as to ensure normal clamping and releasing operations of the clamp heads 42, a positioning block 43 is further provided inside the conventional clamp 4, and is matched with a positioning groove on the tool 5 to clamp and position the tool, and the conventional clamp 4 is provided, so that the processing cost of the clamp is greatly increased, and the volume of the clamp housing 44 needs to be increased, so as to ensure that the clamp cylinders 41 can be normally mounted on the clamp housing 44, and the manufacturing cost of the conventional clamp 4 is increased.

In this embodiment, referring to fig. 1 to 11, in use, the mounting base 6 is driven to slide by the sliding driving member 3 (which may be an air cylinder or an electric cylinder) disposed on the main frame 1, the tool clamping assembly 8 is matched with the corresponding tool placing head 7 on the rotary tool magazine 2 by the sliding of the mounting base 6, each of the tool placing heads 7 on the rotary tool magazine 2 includes two mutually matched clamping blocks 71, a positioning block 43 is also disposed between the two clamping blocks 71 to position the tool 5, a second thrust spring 72 is disposed at an end of each of the two clamping blocks 71 away from the tool 5, when the corresponding tool clamping assembly 8 is aligned with the tool placing head 7, the tool 5 on the tool placing head 7 enters into a clamping area of the tool clamping assembly 8, the tool 5 pushes the top pillar 84 to slide, the top pillar 84 rotates 90 degrees under the action of the inclined groove 815, then the protruding part of the cam 842 on the top column 84 acts on the stress part 834 of the clamping head 83, the stress part 834 of the clamping head 83 is stressed to swing outwards, meanwhile, the clamping part of the clamping head 83 clamps the cutter 5, at this time, the top column 84 is stressed by the vertical guide groove 816 to keep the existing state, and the cutter 5 is pushed to be matched with the clamping part to clamp the cutter 5, at this time, the mounting seat 6 slides to directly take out the cutter 5 from the cutter placing head 7, because the clamping force of the cutter 5 on the cutter placing head 7 is acted by the elastic force of the second thrust spring 72, when the cutter 5 is taken out through the cutter clamping assembly 8, only the elastic force of the spring needs to be overcome, when the preset position of the cutter 5 needs to be placed, the cutter 5 is pushed into the preset position again through the sliding of the mounting seat 6, at this time, the cutter 5 is stressed to push the top column 84 to retract again, the support pillar 84 at this moment rotates 90 degrees again, and the minor diameter position of cam 842 and the atress portion 834 butt of clamping head 83, the cutter 5 is loosened to the clamping part of clamping head 83, accomplishes getting of cutter 5 and puts the operation, and this structure no longer need use driving pieces such as cylinder or electric jar simultaneously, great reduction the cost of manufacture, simultaneously when equipment outage, clamping head 83 can keep current state constantly, has increased the reliability of equipment.

In summary, the present invention provides a tool claw to tool claw taking mechanism, which includes a main frame body, wherein a rotary tool magazine is disposed at the top of the main frame body, and the tool is stored and conveyed by the rotary tool magazine, so as to facilitate subsequent tool taking and placing operations, a tool taking mechanism is disposed on one side of the main frame body, a driving mechanism performs a tool taking and placing operation on a tool placing head inside the rotary tool magazine, so as to achieve automation of tool taking and placing of the tool magazine, and the tool taking mechanism includes: the main frame body is fixedly provided with a sliding driving piece which drives the main frame body to slide, and the sliding driving piece drives the mounting seat to slide so as to ensure that a cutter clamping assembly on the mounting seat can normally pick, place and clamp a cutter; the tool clamping device comprises a mounting seat, a clamping tool assembly rotatably mounted on the mounting seat, a rotary driving piece for driving the clamping tool assembly to rotate is arranged on the mounting seat, the clamping tool assembly comprises a shell and clamping heads rotatably connected to two ends of the shell, it is ensured that after the clamping head at one end of the clamping tool assembly clamps a tool, the clamping head at the other end can rotate 180 degrees under the action of the rotary driving piece, then the tool is clamped, and the operation of clamping a plurality of tools is realized.

The present invention is capable of other embodiments, and various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Claims (9)

1. The utility model provides a sword claw gets sword mechanism to sword claw, a serial communication port, including the body frame body, the top of the body frame body is equipped with rotatory tool magazine, the body frame body is located one side of rotatory tool magazine is equipped with gets sword mechanism, it includes to get sword mechanism:

the main frame body is fixedly provided with a sliding driving piece which drives the main frame body to slide;

rotate install in clamp knife tackle spare on the mount pad, be equipped with the drive on the mount pad clamp knife tackle spare pivoted rotates the driving piece, clamp knife tackle spare include the casing with rotate connect in the holding head at the both ends of casing, the inside in the centre gripping space that the holding head formed is equipped with the fore-set, when the cutter is pushed into the holding head inside for the first time, the fore-set retraction and will the centre gripping is withstood to the holding head the cutter is compressed once more during the root of holding head, the retraction and rotation 90, this moment the holding head loosens the cutter.

2. The tool claw to tool claw cutting mechanism according to claim 1, wherein the housing has mounting spaces at both ends thereof for mounting the clamping heads, the mounting spaces have sliding portions inside thereof for sliding the top posts, the sliding portions have sliding holes inside thereof, and the inner walls of the sliding holes have four guide grooves arranged uniformly.

3. The tool claw to tool claw cutter taking mechanism as claimed in claim 2, wherein the outer wall of the top post is slidably provided with a guide convex column matched with the guide groove, the bottom of the guide convex column is provided with a first thrust spring which extends the guide convex column to the outside of the top post, the top post rotates 90 degrees when the top post is forced to retract into the sliding hole every time, a clamping spring which extends the top post is arranged between the top post and the bottom of the installation space, the bottom of the installation space is provided with a guide post, the front end of the top post is provided with a guide hole matched with the guide post in a sliding manner, and the clamping spring is sleeved on the outside of the guide post.

4. The tool claw to tool claw cutting mechanism according to claim 3, wherein the guide groove comprises a vertical guide groove parallel to the axis of the sliding hole and a chute connecting the two vertical guide grooves, a position of the vertical guide groove at the initial end of the chute is provided with a limiting protrusion for limiting the movement direction of the guiding convex column, and the limiting protrusion comprises a slope part at a side of the limiting protrusion away from the chute.

5. The tool claw to tool claw cutting mechanism according to claim 2, wherein rotating pins are provided inside the mounting space on both sides of the top post, the clamping head is rotatably mounted on the rotating pins, and the clamping head includes a clamping portion located outside the mounting space and a force receiving portion located inside the mounting space.

6. The tool claw to tool claw cutting mechanism according to claim 5, wherein stress heads are slidably arranged on two sides of the installation space, a compression spring for extending the stress head into the installation space is arranged at the bottom of the stress head, the top of the stress head abuts against the stress part, and the clamping parts of the two clamping heads are away from each other under the action of the stress head.

7. The tool claw to tool claw cutting mechanism according to claim 6, wherein a cam is provided at an end of the top pillar located inside the installation space, one side of the force-receiving portion of the clamping head away from the force-receiving head abuts against an outer wall of the cam at all times, and the top pillar rotates to push the force-receiving portion to swing around the rotating pin.

8. The tool claw to tool claw cutting mechanism according to any one of claims 1 to 7, wherein the rotary tool magazine comprises a plurality of uniformly arranged tool placing heads, each tool placing head comprises two mutually matched clamping blocks, and one ends of the two clamping blocks, which are far away from the tool, are provided with second thrust springs.

9. The gripper-gripper tool picking mechanism according to any one of claims 5 to 7, wherein the clamping portion comprises an arc-shaped section and a straight section which are matched with the outer wall of the tool, and the straight section is used for supplying force to the tool to press the top column to stretch and retract.

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