CN213730565U

CN213730565U - Ring type accurate positioning tool

Info

Publication number: CN213730565U
Application number: CN202022827321.2U
Authority: CN
Inventors: 钱慧静
Original assignee: Chengdu Huachen Pengji Technology Co ltd
Current assignee: Chengdu Huachen Pengji Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-20
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a ring type accurate positioning tool, including ring butt joint seat, circular disc, butt joint dish and locking positioning mechanism, locking positioning mechanism includes the location base, the steering column, the regulation pole, the lock sleeve, locating lever and positioning joint, the lock sleeve includes the lantern ring and locks the arc piece, circular disc connects at ring butt joint seat top, butt joint dish connects at the circular disc top, after placing the work piece, reciprocate the locating lever, and with the positioning joint card enter the hole of work piece, fix the position of locating lever through the lock sleeve, similarly, recycle another positioning joint and block another hole of work piece, thus, fix a position to the work piece through at least two points, can stabilize the position of work piece, and carry out accurate location; the structure can be used for positioning quickly, the freedom degree of workpieces is limited, the connection stability is improved, deviation or deflection is not easy to generate, and accurate positioning is realized.

Description

Ring type accurate positioning tool

Technical Field

The utility model relates to an aircraft parts machining technical field particularly, relates to a ring formula accurate positioning frock.

Background

When the airplane parts are machined, the airplane parts are often required to be positioned, and when the parts taking inner holes as positioning references are subjected to finish machining, if the mandrel type tool is positioned in a clearance fit mode, the machining precision of the parts is inevitably influenced due to the existence of positioning clearances.

The positioning tool in the prior art is simple in structure, passes through a processing hole of a workpiece to be positioned by arranging a raised shaft or rod on a workbench, cannot stabilize the position during processing, and is low in processing precision due to the positioning mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ring formula accurate positioning frock, it can fix a position fast, and restriction work piece degree of freedom increases the steadiness of connecting, is difficult to produce the skew or deflect, realizes the accurate positioning.

The embodiment of the utility model is realized like this:

a circular ring type accurate positioning tool comprises a circular ring butt joint seat, a circular disc, a butt joint disc and a locking and positioning mechanism, wherein the circular disc is connected to the top of the circular ring butt joint seat, the butt joint disc is connected with the top of the circular disc, the locking and positioning mechanisms are connected with two sides of the circular ring butt joint seat, each locking and positioning mechanism comprises a positioning base, a steering rod, an adjusting rod, a locking sleeve, a positioning rod and a positioning joint, the steering rod is connected with the positioning base, one end of the adjusting rod is connected with the steering rod and can rotate relative to the positioning base, the other end of the adjusting rod is provided with a bearing hole and is provided with a bearing, the positioning rod penetrates through the bearing and can slide and rotate relative to the bearing, the locking sleeve is connected on the positioning rod and is arranged at the top of the bearing, the positioning joint is connected with the bottom end of the positioning rod, the workpiece to be machined is clamped through the positioning joints, and the position of the workpiece is fixed by the two positioning joints so as to stabilize the workpiece.

The utility model discloses in the embodiment of the preferred, above-mentioned lock sleeve includes the lantern ring and locks the arc piece, and the lantern ring is cyclic annularly, and the locking arc piece is the arc and articulates the inner wall at the lantern ring, two at least locking arc pieces, and the locking arc piece is through synchronous pivoted mode, embraces the locating lever simultaneously or unclamps.

In a preferred embodiment of the present invention, the locking arc piece is made of a soft material, and the inner side of the locking arc piece is provided with uneven lines, which include spots, stripes or threads.

The utility model discloses in the embodiment of preferred, the inboard edge of above-mentioned lantern ring is provided with the arch, and the arch is located between the adjacent locking arc piece for when locking arc piece rotates, form the circular shape passageway that the locating lever passes through with the arch together.

In the preferred embodiment of the present invention, a bearing is disposed in the positioning base, and the bottom end of the steering rod is connected to the inside of the bearing hole of the bearing, so that the steering rod can rotate.

In the preferred embodiment of the present invention, the positioning joints have various types, including cylindrical, diamond, square or hexagonal nuts, and the bottom end of the positioning rod is provided with threads, so that different positioning joints are connected to the bottom end of the positioning rod through rotation to fit workpieces in different holes.

In a preferred embodiment of the present invention, the circular plate is provided with positioning holes for positioning, and the plurality of positioning holes are radially distributed on the circular plate.

In the preferred embodiment of the present invention, the middle portion of the docking tray is concavely provided with a cylindrical space for embedding the workpiece, the tray surface of the docking tray is inwards concavely provided with docking holes for docking the workpiece, and the docking holes surround the cylindrical space.

The utility model has the advantages that:

the utility model discloses a ring butt joint seat holds the work piece, supports through the circular disk, and after the butt joint dish was fixed with the work piece, the position of adjusting the pole was rotated through the dwang, when moving to the hole position of work piece, reciprocate and adjust the position through the locating lever relative to the regulation pole, through the lock sleeve with the position fixation of locating lever, go into the work piece through the locating joint card and fix, through at least two locating joint restriction degrees of freedom, the locating lever mutually supported in order to lock or loosen through rotatory mode and locking arc piece; the structure can be used for positioning quickly, the freedom degree of workpieces is limited, the connection stability is improved, deviation or deflection is not easy to generate, and accurate positioning is realized.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope.

Fig. 1 is a schematic view of the circular ring type precise positioning tool of the present invention;

fig. 2 is a schematic view of the locking sleeve of the present invention;

icon: 1-a circular butt joint seat; 2-a circular disc; 3-a docking tray; 4-locking the positioning mechanism; 41-positioning a base; 42-a steering rod; 43-adjusting rod; 44-a locking sleeve; 441-a collar; 442-locking the arc-shaped piece; 45-positioning rod; 46-positioning the joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

First embodiment

Referring to fig. 1, the present embodiment provides a circular ring type precise positioning tool, which includes a circular ring docking seat 1, a circular disc 2, a docking disc 3 and a locking positioning mechanism 4, wherein the locking positioning mechanism 4 includes a positioning base 41, a steering rod 42, an adjusting rod 43, a locking sleeve 44, a positioning rod 45 and a positioning joint 46, the locking sleeve 44 includes a collar 441 and a locking arc-shaped piece 442, the circular disc 2 is connected to the top of the circular ring docking seat 1, the docking disc 3 is connected to the top of the circular disc 2, the locking positioning mechanism 4 is connected to two sides of the circular ring docking seat 1, the locking positioning mechanism 4 moves to the top of the docking disc 3 in a rotating manner, after placing a workpiece, the positioning rod 45 moves up and down, and the positioning joint 46 is clamped in a hole of the workpiece, the position of the positioning rod 45 is fixed by the locking sleeve 44, and similarly, another hole of the workpiece is clamped by another positioning joint 46, so that, the workpiece is positioned through at least two points, so that the position of the workpiece can be stabilized, and the workpiece can be accurately positioned; the structure can be conveniently and quickly positioned, the workpiece is stable after being fixed, deviation or deflection is not easy to generate, and accurate positioning is realized.

The circular butt joint seat 1 and the circular disc 2 are respectively in a disc shape, the diameter of the circular butt joint seat 1 is larger than that of the circular disc 2, a circular space is formed between the top of the circular butt joint seat 1 and the edge of the circular disc 2 to clamp a workpiece with a circular structure, the circular disc 2 is provided with positioning holes for positioning, six positioning holes are radially distributed on the circular disc 2 and surround the butt joint disc 3, a cylindrical space embedded into the workpiece is concavely arranged in the middle of the butt joint disc 3 to clamp the workpiece in a butt joint mode, butt joint holes for butting the workpiece are inwards concavely arranged in the disc surface of the butt joint disc 3, and eight butt joint holes are annularly arranged around the cylindrical space to stably connect the workpiece through the butt joint holes; the two ends of the circular ring docking seat 1 are respectively connected with a positioning base 41, the side surface of the positioning base 41 is connected with the outer side of the circular ring docking ring and is integrally formed, a bearing is arranged inside the positioning base 41, the bottom end of a steering rod 42 is connected into a bearing hole of the bearing so as to facilitate the rotation of the steering rod 42, the steering rod 42 is connected to the positioning base 41 through the bearing so as to facilitate the horizontal rotation, one end of an adjusting rod 43 is connected to the steering rod 42 and can rotate relative to the positioning base 41, one end of the adjusting rod 43 is provided with a rod hole, the steering rod 42 is clamped into the rod hole and is in interference fit with the adjusting rod 43, the other end of the adjusting rod 43 is provided with a bearing hole and is provided with a bearing, the bearing hole penetrates through the top and bottom two surfaces of the adjusting rod 43, the positioning rod 45 penetrates through the bearing and can slide and rotate relative to the bearing, so that the positioning rod 45 can move in the vertical direction, a locking sleeve 44 is connected on the positioning rod 45 and is arranged at the top of the bearing, the lock sleeve 44 is fixed the locating lever 45 in the bearing, make locating lever 45 reciprocate the position after and fix in a certain position through the lock sleeve 44, the bottom at locating lever 45 is connected to positioning joint 46, positioning joint 46 has multiple model, including cylindrical, the rhombus, square or hexagon nut, two positioning joint 46 of this embodiment are cylindrical and hexagon nut respectively, the protruding spliced pole that is equipped with in bottom of locating lever 45, the spliced pole outside is provided with the screw thread, the external diameter of spliced pole is less than the diameter of locating lever 45, and positioning joint 46's top is provided with the internal thread hole of indent, positioning joint 46 with the difference is connected to locating lever 45 bottom through rotatory mode, with the work piece in the different holes of cooperation, the work piece that will treat processing through positioning joint 46 blocks, utilize two positioning joint 46 fixed work piece positions, with firm work piece.

Referring to fig. 2, the locking sleeve 44 includes a collar 441 and locking arc pieces 442, the collar 441 is annular, a passage through which the positioning rod 45 passes is formed inside the collar 441, the locking arc pieces 442 are arc-shaped and hinged on an inner wall of the collar 441, a protruded shaft rod is disposed on an inner wall of the collar 441 opposite to the position, the locking arc pieces 442 are arc-shaped and have a shaft hole at one end, the end of the locking arc pieces 442 is sleeved on the shaft rod so that the locking arc pieces 442 can rotate relative to the collar 441, the embodiment has two locking arc pieces 442 located at opposite positions of the inner wall of the collar 441, the radian of the locking arc pieces 442 is smaller than the circular radian, a protrusion is disposed at an inner side edge of the collar 441 and located between adjacent locking arc pieces 442, so that when the locking arc pieces 442 rotate, the protrusion and the protrusion form a circular passage through which the positioning rod 45 passes, and the inner sides, the line includes spot, stripe or screw thread, and this embodiment adopts the screw thread, and this screw thread just in time matches with the screw thread that the locating lever 45 outside set up, and locking arc piece 442 is through synchronous rotation's mode, embraces or unclamps locating lever 45 simultaneously.

To sum up, the embodiment of the utility model supports the workpiece through the circular ring butt joint seat, supports through the circular disc, after the butt joint disc is fixed with the workpiece, rotates the position of the adjusting rod through the rotating rod, when moving to the hole position of the workpiece, adjusts the position through the up-and-down movement of the positioning rod relative to the adjusting rod, fixes the position of the positioning rod through the locking sleeve, is clamped into the workpiece through the positioning joint for fixation, limits the degree of freedom through at least two positioning joints, and the positioning rod is mutually matched with the locking arc-shaped piece in a rotating way to be locked or loosened; the structure can be used for positioning quickly, the freedom degree of workpieces is limited, the connection stability is improved, deviation or deflection is not easy to generate, and accurate positioning is realized.

This description describes examples of embodiments of the invention, and is not intended to illustrate and describe all possible forms of the invention. It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.

Claims

1. A circular ring type accurate positioning tool is characterized by comprising a circular ring butt joint seat, a circular disc, a butt joint disc and a locking and positioning mechanism, wherein the circular disc is connected to the top of the circular ring butt joint seat, the butt joint disc is connected to the top of the circular disc, the locking and positioning mechanism is connected to two sides of the circular ring butt joint seat, the locking and positioning mechanism comprises a positioning base, a steering rod, an adjusting rod, a locking sleeve, a positioning rod and a positioning joint, the steering rod is connected to the positioning base, one end of the adjusting rod is connected to the steering rod and can rotate relative to the positioning base, the other end of the adjusting rod is provided with a bearing hole and is provided with a bearing, the positioning rod penetrates through the bearing and can slide and rotate relative to the bearing, the locking sleeve is connected to the positioning rod and is arranged at the top of the bearing, the positioning joint is connected to the bottom end of the positioning rod, and a workpiece to be machined is clamped through the positioning joint, the two positioning joints are used for fixing the position of the workpiece so as to stabilize the workpiece.

2. The annular accurate positioning tool according to claim 1, wherein the locking sleeve comprises a sleeve ring and locking arc-shaped pieces, the sleeve ring is annular, the locking arc-shaped pieces are arc-shaped and hinged to the inner wall of the sleeve ring, the locking arc-shaped pieces are at least two locking arc-shaped pieces, and the locking arc-shaped pieces can hold or release the positioning rod in a synchronous rotating mode.

3. The circular ring type precise positioning tool according to claim 2, wherein the locking arc-shaped piece is made of a soft material, uneven lines are arranged on the inner side of the locking arc-shaped piece, and the lines comprise spots, stripes or threads.

4. The circular ring type precise positioning tool according to claim 3, wherein a protrusion is arranged at the edge of the inner side of the sleeve ring, and the protrusion is located between adjacent locking arc-shaped pieces, so that when the locking arc-shaped pieces rotate, the protrusion and the locking arc-shaped pieces form a circular channel through which the positioning rod passes.

5. The circular ring type precise positioning tool according to claim 1, wherein a bearing is arranged in the positioning base, and the bottom end of the steering rod is connected to a bearing hole of the bearing, so that the steering rod can rotate.

6. The circular ring type precise positioning tool according to claim 1, wherein the positioning joints have various types including cylindrical, diamond, square or hexagonal nuts, the bottom end of the positioning rod is provided with threads, and different positioning joints are connected to the bottom end of the positioning rod through rotation so as to be matched with workpieces in different holes.

7. The annular precise positioning tool according to claim 1, wherein the circular plate is provided with positioning holes for positioning, and the positioning holes are radially distributed on the circular plate.

8. The circular ring type precise positioning tool according to claim 1, wherein a cylindrical space for embedding the workpiece is concavely arranged in the middle of the butt joint disc, butt joint holes for butting against the workpiece are concavely arranged on the disc surface of the butt joint disc, and the butt joint holes are circumferentially arranged around the cylindrical space.