Plug-in ball external connection type tool taking device

Abstract

The utility model belongs to the technical field of external cutter taking devices, and particularly relates to a plug-in ball external cutter taking device which comprises a fixing seat, one side of the fixing seat is fixedly connected with a circular cylinder, the circular cylinder is provided with a fixing assembly, and the fixing assembly is used for fixing a cutter; by means of the balls and the abutting piece, the round cylinder is inserted into the inserting groove in the vertical tool from top to bottom, the upper end of the tool pushes the three balls, the balls push the abutting piece upwards, the abutting piece pushes the balls downwards through counter-acting force, the balls clamp the tool and fix the tool, then the tool can be pulled out of the tool magazine, the structure is simple, operation is convenient, and practicability is high. The operation is convenient during use.

Description

Technical Field

[0001] This utility model relates to the field of external tool retriever technology, and in particular to an insert-type ball bearing external tool retriever. Background Technology

[0002] A tool magazine retrieving device is a device used to retrieve and change tools from the tool magazine of automated machining equipment (such as machining centers). It is a key component for realizing the automatic tool changing function of machine tools. Its main function is to accurately retrieve the specified tool from the storage location of the tool magazine and transfer it to the machine tool spindle for machining, or to retrieve the used tool from the spindle back to the tool magazine. When changing tools, the drive system drives the robotic arm to move along a pre-planned path. After reaching the tool position, the gripper at the end of the robotic arm opens under the action of the drive system and grasps the tool.

[0003] The tool magazine retriever consists of a robotic arm, a drive system, a control system, and sensors. In use, the gripper at the end of the robotic arm opens under the action of the drive system and firmly grasps the tool through a special structure on the gripper. The tool retriever has a relatively complex structure and is costly. Summary of the Invention

[0004] To address the aforementioned issues, this invention proposes an insert-type ball bearing external tool retriever. This more precisely solves the problem that the aforementioned tool magazine retriever, which includes a robotic arm, a drive system, a control system, and a sensor, has a complex structure and high cost. In use, the gripper at the end of the robotic arm opens under the action of the drive system and firmly grasps the tool through a special structure on the gripper.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model proposes an insert-type ball bearing external tool remover, including a fixed base, a circular cylinder fixedly connected to one side of the fixed base, and a fixing component for fixing the tool.

[0007] Furthermore, the side wall of the cylindrical tube is provided with three circular through grooves, and the fixing assembly includes three balls, which are respectively located in the circular through grooves on the cylindrical tube. The radius of the circular through grooves is smaller than the radius of the balls. An abutment is provided inside the cylindrical tube to hold the balls in place.

[0008] Furthermore, a mounting column is fixedly connected to one side of the fixing base, and the mounting column is provided with a threaded groove for installation.

[0009] Furthermore, the cross-section of the fixing seat is circular, the radius of the fixing seat is larger than the radius of the mounting column, and the radius of the circular cylinder is smaller than the radius of the fixing seat.

[0010] Further, the lower surface of the fixing seat is provided with a first circular groove, the first circular groove is same with the inner diameter of the circular cylinder, the abutting piece is located in the circular cylinder and the first circular groove, and the abutting piece is located above the ball.

[0011] Further, the abutting piece comprises a sliding seat, the sliding seat can slide between the circular cylinder and the first circular groove, the cross section of the sliding seat is circular, the lower end of the sliding seat is provided with a conical surface, the conical surface is in contact with the ball, and the upper surface of the sliding seat is provided with a spring.

[0012] Further, the upper bottom surface of the first circular groove is provided with a second circular groove, the upper surface of the sliding seat is provided with a third circular groove, one end of the spring is located in the second circular groove, the other end of the spring is located in the third circular groove, and the spring is fixedly connected with the mounting column and the sliding seat.

[0013] Further, the lower surface of the circular cylinder is provided with a plurality of square notches.

[0014] The utility model discloses beneficial effect:

[0015] The utility model provides a kind of plug-in ball external type tool puller, by setting ball and abutting piece, circular cylinder is inserted into the slot on vertical tool from top to bottom, when insertion, the upper end of tool pushes three balls, so that three balls move inward, ball pushes abutting piece upward, abutting piece pushes ball downward by reaction force, so that ball clamps tool, tool is fixed, and then tool can be pulled out from tool magazine, structure is simple, convenient to operate when using.

[0016] A kind of plug-in ball external type tool puller, by setting sliding seat and spring, circular cylinder is inserted into slot, tool pushes ball, so that ball enters circular cylinder, ball pushes sliding seat to slide, spring is compressed, then circular cylinder is deeply inserted into slot, while ball clamps the side wall of tool slot under the pushing of spring and sliding seat conical surface, when tool is removed, just tool is fixed, mechanical arm can be pulled out from tool, while ball is back to circular groove in circular cylinder under the pushing of sliding seat conical surface, and reset. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the bottom view of the utility model;

[0019] Figure 3 It is the cross-sectional schematic view of the utility model;

[0020] Figure 4 It is the structural schematic view of the sliding seat of the utility model.

[0021] The reference signs are as follows: 1, fixed seat; 2, circular cylinder; 3, fixed assembly; 31, ball; 32, abutting piece; 321, sliding seat; 322, conical surface; 323, spring; 4, mounting column; 5, first circular groove; 6, second circular groove; 7, third circular groove; 8, square notch. DETAILED DESCRIPTION

[0022] In order to more clearly and completely illustrate the technical scheme of the utility model, the utility model will be further described below with reference to the drawings.

[0023] Please refer to Figures 1-4 The utility model provides a kind of plug-in ball external type tool puller, including fixed seat 1, the side fixed connection circular cylinder 2 of fixed seat 1, circular cylinder 2 is equipped with fixed assembly 3, fixed assembly 3 is used to fix tool, the lateral wall of circular cylinder 2 is equipped with three circular through slot, fixed assembly 3 includes three balls 31, ball 31 is located in the circular through slot on circular cylinder 2 respectively, the radius of circular through slot is less than the radius of ball 31, abutting piece 32 is arranged in circular cylinder 2, abutting piece 32 is used to abut ball 31, the section of fixed seat 1 is circular, the radius of fixed seat 1 is greater than the radius of mounting column 4, the radius of circular cylinder 2 is less than the radius of fixed seat 1, the lower surface of fixed seat 1 is equipped with first circular groove 5, first circular groove 5 is same with the inner diameter of circular cylinder 2, abutting piece 32 is located in circular cylinder 2 and first circular groove 5, abutting piece 32 is located above ball 31, the radius of ball 31 is greater than the radius of circular through slot, ball 31 is installed from circular through slot inner wall, a part of ball 31 protrudes outward from circular through slot, but will not pass through circular through slot in circular cylinder 2, the device is for the tool that the insertion slot is provided at top, the outer diameter of circular cylinder 2 is similar to tool insertion slot inner diameter, when inserting, the upper end of tool pushes three balls 31, so that three balls 31 move inwards, ball 31 pushes abutting piece 32 upwards, abutting piece 32 pushes ball 31 downwards by reaction force, so that ball 31 clamps tool, tool is fixed, and then tool can be pulled out from tool magazine, simple structure, convenient to operate when using.

[0024] As Figure 1 With Figure 3 As shown, the side fixed connection mounting column 4 of fixed seat 1, mounting column 4 is equipped with screw groove for installation, circular cylinder 2 is installed on mechanical arm through screw on mounting column 4, and tool is extracted by moving through mechanical arm.

[0025] As Figure 3 With Figure 4As shown, the abutting piece 32 includes a sliding seat 321 which can slide between the circular cylinder 2 and the first circular groove 5, the cross section of the sliding seat 321 is circular, the lower end of the sliding seat 321 is provided with a tapered surface 322 which is in contact with the ball 31, the sliding seat 321 is provided with a spring 323 above, the upper bottom surface of the first circular groove 5 is provided with a second circular groove 6, the upper surface of the sliding seat 321 is provided with a third circular groove 7, one end of the spring 323 is located in the second circular groove 6 and the other end is located in the third circular groove 7, the spring 323 is fixedly connected with the mounting column 4 and the sliding seat 321, when fixing the tool, the mechanical arm controls the circular cylinder 2 to move above the tool in the tool magazine, the mechanical arm controls the circular cylinder 2 to move to the slot on the tool, then the circular cylinder 2 is inserted into the slot, the tool pushes the ball 31 to make the ball 31 enter the circular cylinder 2, the ball 31 pushes the sliding seat 321 to slide, the spring 323 is compressed, then the circular cylinder 2 is deeply inserted into the slot, and the ball 31 is clamped to the side wall of the tool slot under the pushing of the spring 323 and the tapered surface 322 of the sliding seat 321, the tool is fixed, then the tool can be pulled out of the tool magazine, when taking down the tool, only the tool is fixed, the mechanical arm pulls out the circular cylinder 2 from the tool, and the ball 31 is reset to the circular through groove on the circular cylinder 2 under the pushing of the tapered surface 322 of the sliding seat 321.

[0026] As Figure 3 As shown, the lower surface of the circular cylinder 2 is provided with a plurality of square notches 8, when the mounting column 4 is installed on the mechanical arm, the circular cylinder 2 needs to be rotated, the outer side of the circular cylinder 2 is circular and has no force point, when the circular cylinder 2 is rotated, slippage is prone to occur, at this time, the square notches 8 can be clamped by a wrench or the like to rotate, so that the installation is more convenient.

[0027] Working principle: the circular cylinder 2 is installed on the mechanical arm through the thread on the mounting column 4, when installing, the mounting column 4 is aligned with the threaded hole on the mechanical arm, the square notches 8 are clamped by a wrench or the like to rotate, when fixing the tool, the mechanical arm controls the circular cylinder 2 to move above the tool in the tool magazine, the mechanical arm controls the circular cylinder 2 to move to the slot on the tool, then the circular cylinder 2 is inserted into the slot, the tool pushes the ball 31 to make the ball 31 enter the circular cylinder 2, the ball 31 pushes the sliding seat 321 to slide, the spring 323 is compressed, then the circular cylinder 2 is deeply inserted into the slot, and the ball 31 is clamped to the side wall of the tool slot under the pushing of the spring 323 and the tapered surface 322 of the sliding seat 321, the tool is fixed, then the tool can be pulled out of the tool magazine, when taking down the tool, only the tool is fixed, the mechanical arm pulls out the circular cylinder 2 from the tool.

[0028] Of course, the present application can also have other various embodiments, and other embodiments obtained by those skilled in the art based on the present embodiment without any creative labor shall fall within the scope of the present application.

Claims

1. An insertable ball externally tangent type tool presetter, characterized by, The fixed seat is fixedly connected with a circular cylinder on one side, and the circular cylinder is provided with a fixing assembly for fixing a cutter. The sidewall of the circular cylinder is provided with three circular through grooves, and the fixing assembly comprises three balls respectively located in the circular through grooves on the circular cylinder.

2. The insertable ball external-type tool presetter according to claim 1, wherein The radius of the circular through groove is smaller than that of the ball.

3. The insertable ball external-type tool presetter according to claim 2, wherein The fixed seat is fixedly connected with a mounting column on one side, and the mounting column is provided with a threaded groove for mounting.

4. The insertable ball external-type tool presetter according to claim 1, wherein The cross section of the fixed seat is circular, and the radius of the fixed seat is greater than that of the mounting column.

5. The insertable ball external-type tool presetter according to claim 4, wherein The lower surface of the fixed seat is provided with a first circular groove with the same inner diameter as the circular cylinder.

6. The insertable ball external-type tool presetter according to claim 5, wherein The abutting piece is located above the ball.

7. The insertable ball externally tangent type tool presetter according to claim 1, wherein The abutting piece comprises a sliding seat which can slide between the circular cylinder and the first circular groove. The cross section of the sliding seat is circular, and the lower end of the sliding seat is provided with a conical surface in contact with the ball. The upper surface of the sliding seat is provided with a third circular groove. The first end of the spring is located in the second circular groove, and the second end is located in the third circular groove. The lower surface of the circular cylinder is provided with a plurality of square notches.

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