Ball internal clamping type tool taking device

Abstract

The utility model belongs to the technical field of inner clamping type tool taking devices, and particularly relates to a ball inner clamping type tool taking device which comprises a mounting plate, one side of the mounting plate is fixedly connected with a circular cylinder, a connecting piece is arranged at the lower end of the circular cylinder, a containing groove is formed in the connecting piece and used for containing tools, and a clamping assembly is arranged at the upper end of the connecting piece. Through the clamping assembly, the fixing rod at the upper end of the cutter penetrates through the conical barrel fixing ring, the fixing rod pushes the three balls to move outwards to be close to the side wall of the circular barrel, after the upper end of the fixing rod crosses the three balls, the three balls move towards the interior of the fixing ring to clamp the fixing rod, then the cutter is fixed, the structure is simple, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to inner clamping type tool bit extractor technical field, especially a kind of ball inner clamping type tool bit extractor. BACKGROUND

[0002] The tool bit extractor is a tool for safely and conveniently taking out the tool bit, which is mainly connected with the handle or other parts of the tool bit through a specific clamping structure to realize the grasping and extracting of the tool bit. This connection mode usually uses mechanical clamping principle, for example, adopts elastic jaw structure, the jaw can be opened under certain external force, and after contacting with the tool handle, it tightly holds the tool bit by relying on its elastic restoring force to ensure that the tool bit does not accidentally fall during the tool taking process.

[0003] The existing inner clamping type tool bit extractor usually includes multiple clamping blocks or jaws, and there is also a driving device inside to drive the clamping blocks to move. When the tool bit is inserted, the driving device moves the clamping blocks inward to achieve clamping. The overall structure of the tool bit extractor is relatively complex, the cost is high, and when in use, the driving device needs to be started to clamp the tool bit, which is more troublesome. SUMMARY

[0004] To solve the above problems, the utility model provides a kind of ball inner clamping type tool bit extractor to more exactly solve the above-mentioned problems.

[0005] The utility model is realized by the following technical schemes:

[0006] The utility model provides a kind of ball inner clamping type tool bit extractor, including mounting plate, the side fixed connection round cylinder of mounting plate, the lower end of round cylinder is provided with connecting piece, the connecting piece is equipped with placement slot, placement slot is used to place tool bit, the upper end of connecting piece is equipped with clamping assembly, and the clamping assembly is used to clamp the upper end of tool bit.

[0007] Further, the inner side of the round cylinder is provided with a thread groove matched with the outer side of the connecting piece, and the round cylinder and the connecting piece are threadedly connected.

[0008] Further, the clamping assembly includes a conical cylinder, the conical cylinder is fixedly connected with the connecting piece, the center of the conical cylinder is on the same axis as the center of the placement slot, the upper end of the conical cylinder is fixedly connected with a fixed ring, the side wall of the fixed ring is provided with three circular holes, the balls are placed in the circular holes, the radius of the balls is greater than that of the circular holes, a pushing member is slidably connected in the conical cylinder, and the pushing member is located above the balls.

[0009] Further, the pushing member includes a sliding tube, the sliding tube is located in the round cylinder, the inner side of the sliding tube is provided with a conical surface, the conical surface is in contact with the balls, and a spring is fixedly connected between the sliding tube and the mounting plate.

[0010] Further, the inner diameter of the sliding tube is smaller than the inner diameter of the fixed ring, the center of the sliding tube is on the same axis as the center of the fixed ring, and the inner wall of the sliding tube is provided with an annular groove adjacent to the conical surface.

[0011] Further, the mounting plate is provided with a circular through groove, one side of the mounting plate is fixedly connected with a cylinder, the pushing rod of the cylinder penetrates through the circular through groove, and the center of the pushing rod is on the same axis as the center of the sliding tube.

[0012] Further, the radius of the pushing rod is smaller than the radius of the sliding tube.

[0013] Further, the mounting plate is provided with four mounting holes, and the four mounting holes are symmetrically arranged.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model discloses a ball inner clamping type tool extractor, through setting up clamping assembly, the mounting plate moves to the upper of tool, from top to bottom, make the connecting piece cover in the outside of tool, and the tool is located in the placing groove, and the fixed rod on the upper end of tool penetrates through the conical cylinder fixed ring, and the fixed rod pushes three balls to move outward and approach the lateral wall of circular cylinder, and the ball jacks up the sliding tube, and the sliding tube slides upward, and the spring compresses, and when the upper end of fixed rod passes three balls, the spring pushes the sliding tube to descend, and three balls are clamped to the fixed rod through the extrusion of conical surface and move to the fixed ring, and the tool is fixed in turn, simple structure, convenient operation.

[0016] A ball inner clamping type tool extractor, through the pushing rod, when needing to release the tool, the cylinder pushes the pushing rod, the pushing rod penetrates through the sliding tube and contacts the fixed rod on the upper end of tool, makes the tool move down, and the tool drives the fixed rod to descend, and the fixed rod pushes three balls outward again and avoids the fixed rod, and then the fixed rod continues to descend and leaves the conical tube and the fixed ring, makes the tool and the connecting piece separate, convenient and flexible to use. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 It is the structural schematic diagram of the clamping assembly of the utility model;

[0019] Figure 3 It is the cross section schematic diagram of the circular cylinder and the connecting piece of the utility model;

[0020] Figure 4 It is the use schematic diagram of the utility model.

[0021] The reference signs are as follows: 1, mounting plate; 2, circular cylinder; 3, connecting piece; 4, clamping assembly; 41, conical cylinder; 42, fixing ring; 43, ball; 5, pushing piece; 51, sliding tube; 52, conical surface; 53, spring; 6, air cylinder; 7, pushing rod. DETAILED DESCRIPTION

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

[0023] Please refer to Figures 1-4 The utility model discloses a ball inner clamping type tool extractor, including mounting plate 1, one side fixed connection circular cylinder 2 of mounting plate 1, the lower end of circular cylinder 2 sets up connecting piece 3, is equipped with the placement groove on connecting piece 3, and the placement groove is used to place tool, and the upper end of connecting piece 3 is equipped with clamping assembly 4, and clamping assembly 4 is used to hold the upper end of tool, and four mounting holes are equipped on mounting plate 1, and four mounting holes are symmetrically set up, and the inside of circular cylinder 2 is equipped with the thread groove of cooperation with the outside of connecting piece 3, and circular cylinder 2 is screwed with connecting piece 3, and the device is directed to the tool that the fixed rod is set up at the top, wherein the section of fixed rod is T-shaped, wherein mounting plate 1 is fixed on the mechanical arm through mounting hole, when taking tool, the mechanical arm controls mounting plate 1 to move to the upper of tool, from top to bottom, makes connecting piece 3 suit in the outside of tool, and tool is located in the placement groove, and fixed rod extends into circular cylinder 2, and the fixed rod is fixed through the clamping assembly 4 in the inside, makes tool fixed on connecting piece 3, and it is convenient to draw out tool from tool magazine.

[0024] As Figure 2 With Figure 4As shown, the clamping assembly 4 includes a tapered cylinder 41 fixedly connected with the connecting piece 3, the center of the tapered cylinder 41 is on the same axis with the center of the placement groove, the upper end of the tapered cylinder 41 is fixedly connected with a fixed ring 42, the side wall of the fixed ring 42 is provided with three circular holes, the balls 43 are placed in the circular holes, the radius of the balls 43 is larger than that of the circular holes, a pushing piece 5 is slidingly connected in the circular cylinder 2, the pushing piece 5 is located above the balls 43, the pushing piece 5 includes a sliding tube 51 located in the circular cylinder 2, the inner side of the sliding tube 51 is provided with a tapered surface 52 in contact with the balls 43, the sliding tube 51 is fixedly connected with a spring 53 between the sliding tube 51 and the mounting plate 1, the balls 43 are located between the circular cylinder 2 and the fixed ring 42, the balls 43 can shake in the square holes but cannot be separated from the square holes, when the tool enters the placement groove, the fixed rod on the upper end of the tool passes through the fixed ring 42 of the tapered cylinder 41, when passing through the fixed ring 42, the fixed rod pushes the three balls 43 to move outward and close to the side wall of the circular cylinder 2 to avoid the fixed rod, when the balls 43 close to the circular cylinder 2, the balls 43 abut against the tapered surface 52 on the inner side of the sliding tube 51, the balls 43 push the sliding tube 51 to slide upward, the spring 53 is compressed, when the upper end of the fixed rod passes through the three balls 43, the spring 53 pushes the sliding tube 51 to descend, the three balls 43 are extruded by the tapered surface 52 to move into the fixed ring 42, the three balls 43 clamp the fixed rod to fix the tool, the structure is simple and the operation is convenient.

[0025] As shown in the drawings, Figure 2 With Figure 3 As shown, the inner diameter of the sliding tube 51 is smaller than the inner diameter of the fixed ring 42, the center of the sliding tube 51 is on the same axis with the center of the fixed ring 42, the inner wall of the sliding tube 51 is provided with an annular groove, the side wall of the annular groove is adjacent to the tapered surface 52, the mounting plate 1 is provided with a circular through groove, one side of the mounting plate 1 is fixedly connected with a cylinder 6, the pushing rod 7 of the cylinder 6 passes through the circular through groove, the center of the pushing rod 7 is on the same axis with the center of the sliding tube 51, the radius of the pushing rod 7 is smaller than that of the sliding tube 51, the pushing rod 7 on the cylinder 6 is located on the inner side of the sliding tube 51, when it is needed to release the tool, the cylinder 6 pushes the pushing rod 7, the pushing rod 7 passes through the sliding tube 51 to contact the fixed rod on the upper end of the tool to make the tool move downward, the tool drives the fixed rod to descend, the fixed rod pushes the three balls 43 to move outward to avoid the fixed rod, then the fixed rod continues to descend to leave the tapered cylinder 41 and the fixed ring 42 to make the tool separate from the connecting piece 3, by setting the pushing rod 7, the tool is conveniently separated by the active pushing of the pushing rod 7.

[0026] Working principle: the installation plate 1 is fixed on the mechanical arm through the installation hole, when the tool is taken, the mechanical arm controls the installation plate 1 to move to the upper of the tool, from up to down, makes the connecting piece 3 to be covered in the outer side of the tool, the fixed rod is stretched into the circular barrel 2, the fixed rod on the upper end of the tool passes through the conical barrel 41 fixed ring 42, when passing through the fixed ring 42, the fixed rod pushes three ball bearings 43 to move outward and close to the side wall of the circular barrel 2, avoids the fixed rod, when the ball bearing 43 is close to the circular barrel 2, the ball bearing 43 is resisted on the conical surface 52 inside the sliding tube 51, the ball bearing 43 jacks the sliding tube 51, makes the sliding tube 51 slide upwards, the spring 53 is compressed, when the upper end of the fixed rod is over three ball bearings 43, the spring 53 pushes the sliding tube 51 to descend, three ball bearings 43 are extruded to the fixed ring 42 by the conical surface 52, three ball bearings 43 are clamped to the fixed rod, when the tool needs to be released, the cylinder 6 pushes the push rod 7, the push rod 7 passes through the sliding tube 51 and contacts the fixed rod on the upper end of the tool, makes the tool move downwards, the tool drives the fixed rod to descend, the fixed rod pushes three ball bearings 43 to move outward and avoid the fixed rod again, then the fixed rod continues to descend, leaves the conical tube and the fixed ring 42.

[0027] Of course, the utility model can also have other various implementation manners, based on the present embodiment, other implementation manners obtained by the ordinary skilled person in the art without any creative labor all belong to the range of protection of the utility model.

Claims

1. A ball-in-socket type tool changer characterized by comprising: Including the installation board, one side of the installation board is fixedly connected with a circular cylinder, the lower end of the circular cylinder is provided with a connecting piece, the connecting piece is provided with a placing groove for placing a cutter, the upper end of the connecting piece is provided with a clamping assembly for clamping the upper end of the cutter; The clamping assembly includes a conical cylinder fixedly connected with the connecting piece, the center of the conical cylinder is on the same axis as the center of the placing groove, the upper end of the conical cylinder is fixedly connected with a fixed ring, the side wall of the fixed ring is provided with three circular through holes in which balls are placed, the radius of the balls is greater than that of the circular through holes, a pushing piece is slidingly connected in the circular cylinder above the balls; The pushing piece includes a sliding tube located in the circular cylinder, the inner side of the sliding tube is provided with a conical surface in contact with the balls, and the sliding tube is fixedly connected with the installation board through a spring.

2. The ball-in-socket clamp type tool changer according to claim 1, wherein The inner side of the circular cylinder is provided with a thread groove matched with the outer side of the connecting piece, and the circular cylinder is threadedly connected with the connecting piece.

3. The ball-in-socket clamped tool extractor of claim 1, wherein: The inner diameter of the sliding tube is smaller than that of the fixed ring, the center of the sliding tube is on the same axis as the center of the fixed ring, and the inner wall of the sliding tube is provided with an annular groove adjacent to the conical surface.

4. The ball-in-socket, clamp-in-device, tool changer according to claim 1, wherein, The installation board is provided with a circular through groove, one side of the installation board is fixedly connected with a gas cylinder, the pushing rod of the gas cylinder passes through the circular through groove, and the center of the pushing rod is on the same axis as the center of the sliding tube.

5. The ball-in-socket, clamp-in-device, tool changer according to claim 4, characterized in that The radius of the pushing rod is smaller than that of the sliding tube.

6. The ball-in-socket, clamp-in-device, tool changer according to claim 1, wherein, The installation board is provided with four mounting holes symmetrically arranged.

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