CN218575987U

CN218575987U - Double-positioning expanding positioner

Info

Publication number: CN218575987U
Application number: CN202222315968.6U
Authority: CN
Inventors: 张晓涛; 昝艳辉; 林宇
Original assignee: Zhejiang Fengzhou Precision Manufacturing Co ltd
Current assignee: Zhejiang Fengzhou Precision Manufacturing Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-03-07
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a two location hole enlargement locators, comprising a base plate, bottom plate upper end be provided with the boss, install two big one little hole enlargement positioner in this boss, boss upper end be located hole enlargement positioner and arranged a plurality of work piece support columns all around, antiskid line has been arranged to this work piece support column upper end, hole enlargement positioner include piston rod, outer conical head, pole end cap and the tight taper sleeve that rises, the boss in install gliding piston rod from top to bottom, the outer conical head of cover at the piston rod is installed in the embedding of this boss upper end, piston rod upper end install the pole end cap, this pole end cap lower extreme install with outer conical head complex tight taper sleeve that rises. The utility model discloses a hole site of two big one little hole enlargement positioner to the work piece rises and tightly realizes the effective fixed of work piece, simple structure, and has functions such as gas detection, cleaning.

Description

Double-positioning expanding positioner

Technical Field

The utility model relates to a locator technical field especially relates to a two location hole enlargement locators.

Background

Tooling, namely process equipment: refers to the collective term for the various tools used in the manufacturing process. The tool comprises a cutter/clamp/mould/measuring tool/detecting tool/auxiliary tool/bench tool/station tool and the like, and the tool is commonly called as short.

A positioning device is needed to be used for fixing a workpiece in a tool, an oil cylinder is adopted for connecting a pressing plate in a conventional positioning device, the pressing plate is controlled to be pressed downwards by utilizing a lever principle to press the workpiece to realize fixation, and the conventional positioning device cannot be arranged due to factors such as processing requirements and spatial arrangement.

Disclosure of Invention

The utility model aims to solve the technical problem that a hole site to the work piece rises through two big one little hole enlargement positioner and tightly rises, realizes the effective fixed of work piece, simple structure, and has functions such as gas detection, cleaning.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a two location hole enlargement locators, includes the bottom plate, bottom plate upper end be provided with the boss, install two big one little hole enlargement positioner in this boss, boss upper end be located hole enlargement positioner and arranged a plurality of work piece support columns all around, antiskid line has been arranged to this work piece support column upper end, hole enlargement positioner include piston rod, outer conical head, pole end cap and the tight taper sleeve that rises, the boss in install gliding piston rod from top to bottom, the outer conical head of cover at the piston rod is installed in the embedding of this boss upper end, piston rod upper end install the pole end cap, this pole end cap lower extreme install with outer conical head complex tight taper sleeve that rises.

As a supplement to the technical solution of the present invention, the upper end of the bottom plate is arranged around the boss with a plurality of mounting holes.

As a supplement to the technical solution of the present invention, the upper end of the bottom plate is provided with two positioning pin holes around the boss.

It is right as technical scheme's a supplement, the inside inner chamber that holds the piston rod that is provided with of boss, this inner chamber lower extreme runs through terminal surface under the bottom plate, inner chamber upper portion and piston rod lateral wall between and all have the clearance to form between piston rod and the outer conical head hole and clean the passageway, the boss inside be provided with clean the communicating air inlet pipe way of passageway.

As right technical scheme a supplement, piston rod upper end middle part seted up threaded connection hole, rod end cap lower extreme mid-mounting have the screw thread post that links to each other with threaded connection hole.

As a supplement to the technical solution of the present invention, the lower portion of the rod end cap is arranged around the circumference with a circular annular groove, and the inner hole of the tension taper sleeve is provided with a convex ring matched with the annular groove.

As right technical scheme a supplement, wherein the gas detection hole has all been seted up to two work piece support column upper ends that the diagonal angle was arranged to one side.

Has the beneficial effects that: the utility model relates to a double-positioning expanding positioner, which is used for tensioning hole sites of a workpiece through two expanding positioning devices with one large and one small to realize effective fixation of the workpiece; hydraulic oil is introduced to control the piston rod to move downwards, the rod end cap and the tensioning taper sleeve are driven to move downwards together, and the outer diameter of the tensioning taper sleeve is expanded under the action of the inner conical surface of the tensioning taper sleeve and the outer conical surface of the outer cone head until the tensioning taper sleeve is attached to and tightly held with the inner hole of the workpiece, so that the workpiece is clamped; the upper end of the workpiece supporting column is provided with anti-skid grains, so that the workpiece is prevented from sliding and being damaged. The positioner has a cleaning function, cleaning air enters the positioner from the air inlet pipeline, cleans the positioner all the time, blows away cutting and dust, keeps the contact surface and the periphery of the tensioning taper sleeve and the outer taper head clean, and further ensures the normal and smooth work of the positioner.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a cross-sectional view of the large diameter-expanding positioning device of the present invention;

FIG. 3 is a cross-sectional view of the small diameter-expanding positioning device of the present invention;

fig. 4 is a schematic structural view of the tension taper sleeve and the rod end cap of the present invention.

The figure is as follows: 1. the device comprises a base plate, 2, a boss, 3, a workpiece supporting column, 4, an expanding positioning device, 5, a mounting hole, 6, a positioning pin hole, 7, an air detection hole, 8, a piston rod, 9, an outer cone head, 10, a rod end cap, 11, a tensioning cone sleeve, 12, a threaded column, 13, an inner cavity, 14, a threaded connecting hole, 15, an air inlet pipeline, 16, a cleaning channel, 17, an annular groove, 18 and a convex ring.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications can be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The utility model discloses an embodiment relates to a two location hole enlargement locators, as shown in fig. 1-4, including bottom plate 1, 1 upper end of bottom plate be provided with boss 2, install two big one little hole enlargement positioner 4 in this

boss

2, 2 upper ends of boss be located hole enlargement positioner 4 and have arranged a plurality of work piece support columns 3 all around, antiskid line has been arranged to 3 upper ends of this work piece support column, avoid the work piece to slide, damage the work piece, hole enlargement positioner 4 include piston rod 8, outer conical head 9, rod end cap 10 and tight taper sleeve 11 that rises, boss 2 in install gliding piston rod 8 from top to bottom, the outer conical head 9 of cover at piston rod 8 is installed in the embedding of 2 upper ends of this boss, 8 upper ends of piston rod install pole end cap 10, this rod end cap 10 lower extreme install with outer conical head 9 complex tight taper sleeve 11 that rises.

The bottom plate 1 and the boss 2 are integrally formed, two positioning pin holes 6 are arranged at the upper end of the bottom plate 1 which integrally serves as a locator body and surrounds the boss 2, and the locator is accurately positioned through the two positioning pin holes 6; a plurality of mounting holes 5 are arranged at the upper end of the bottom plate 1 around the boss 2; the positioner is installed and fixed through the installation hole 5 and the matched bolt.

An inner cavity 13 for accommodating the piston rod 8 is arranged in the boss 2, the lower end of the inner cavity 13 penetrates through the lower end face of the bottom plate 1, gaps are reserved between the upper part of the inner cavity 13 and the side wall of the piston rod 8 and between the piston rod 8 and the inner hole of the outer cone 9 to form a cleaning channel 16, and an air inlet pipeline 15 communicated with the cleaning channel 16 is arranged in the boss 2; the positioner has a cleaning function, cleaning air enters the positioner from the air inlet pipeline 15, constantly cleans the positioner, blows away cutting and dust, keeps the contact surfaces and the periphery of the tensioning taper sleeve 11 and the outer taper head 9 clean, and further ensures the normal and smooth work of the positioner.

The middle part of the upper end of the piston rod 8 is provided with a threaded connecting hole 14, and the middle part of the lower end of the rod end cap 10 is provided with a threaded column 12 connected with the threaded connecting hole 14; the rod end cap 10 can be screwed with the thread of the piston rod 8 through the matching of the threaded connecting hole 14 and the threaded column 12, so that the two components can be detached.

A circle of annular grooves 17 are arranged at the lower part of the rod end cap 10 around the circumference, and a convex ring 18 matched with the annular grooves 17 is arranged at the inner hole of the tensioning taper sleeve 11; the rod end cap 10 and the tensioning taper sleeve 11 are fixed in position through the matching of the annular groove 17 and the convex ring 18.

The upper ends of two workpiece supporting columns 3 which are arranged diagonally are provided with gas detection holes 7, and the gas detection holes 7 are connected with gas detection equipment through pipelines in the bosses 2; after the workpiece is installed, whether the workpiece is in place or not can be detected through the gas detection hole 7 and the gas detection equipment, a gas detection signal transmits accurate information for next action, misjudgment is avoided, and workpiece processing automation is facilitated.

The working principle is as follows:

1. clamping the workpiece (before clamping); air is introduced through the air inlet pipeline 15 for cleaning, and foreign matters such as fine scrap iron and the like between the tension taper sleeve 11 and the outer taper head 9 are removed; then, the workpiece is placed on the plurality of workpiece supporting columns 3, two hole sites on the workpiece respectively penetrate through the two tensioning taper sleeves 11, and after the workpiece is installed in place, the gas detection equipment can detect in-place signals; a certain gap is formed between the hole position of the workpiece and the tensioning taper sleeve 11, so that the installation is convenient.

2. Clamping the workpiece; hydraulic oil is introduced to control the piston rod 8 to move downwards, the rod end cap 10 and the tensioning taper sleeve 11 are driven to move downwards together, and the outer diameter of the tensioning taper sleeve 11 is expanded under the action of the inner conical surface of the tensioning taper sleeve 11 and the outer conical surface of the outer cone head 9 until the outer diameter of the tensioning taper sleeve is attached to and clasped with the inner hole of the workpiece, so that the workpiece is clamped; during the clamping process of the workpiece, clean air is always introduced into the air inlet pipeline 15 to keep the conical surface clean.

Thirdly, loosening the workpiece; the piston rod 8 moves upwards to drive the rod end cap 10 and the tensioning taper sleeve 11 to move upwards together, the inner conical surface of the tensioning taper sleeve 11 and the outer conical surface of the outer conical head 9 are gradually separated, the outer diameter of the tensioning taper sleeve 11 is reduced along with the separation, and the workpiece is loosened until the original state is recovered; during the process of loosening the workpiece, the air inlet pipeline 15 always leads clean air, and the conical surface is kept clean.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above detailed description is given to the dual-positioning expanding positioner provided by the present application, and specific examples are applied herein to explain the principles and embodiments of the present application, and the above description of the embodiments is only used to help understanding the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A two location hole enlargement locators, includes bottom plate (1), its characterized in that: the anti-skid device is characterized in that a boss (2) is arranged at the upper end of the base plate (1), two expanding positioning devices (4) which are one large and one small are installed in the boss (2), a plurality of workpiece supporting columns (3) are arranged on the periphery of the expanding positioning devices (4) at the upper end of the boss (2), anti-skid grains are arranged at the upper ends of the workpiece supporting columns (3), the expanding positioning devices (4) comprise piston rods (8), outer cone heads (9), rod end caps (10) and tensioning cone sleeves (11), the piston rods (8) which slide up and down are installed in the boss (2), the outer cone heads (9) sleeved on the piston rods (8) are installed at the upper ends of the piston rods (8) in an embedded mode, the rod end caps (10) are installed at the upper ends of the rod end caps (10), and the tensioning cone sleeves (11) matched with the outer cone heads (9) are installed at the lower ends of the rod end caps (10).

2. A dual position expanding positioner according to claim 1, wherein: the upper end of the bottom plate (1) is provided with a plurality of mounting holes (5) around the boss (2).

3. A dual position expanding positioner according to claim 1, wherein: two positioning pin holes (6) are arranged at the upper end of the bottom plate (1) around the boss (2).

4. A dual position expanding positioner according to claim 1, wherein: boss (2) inside be provided with inner chamber (13) that hold piston rod (8), this inner chamber (13) lower extreme runs through bottom plate (1) terminal surface down, inner chamber (13) upper portion and piston rod (8) lateral wall between and piston rod (8) and outer conical head (9) hole between all have clearance to form and clean passageway (16), boss (2) inside be provided with clean the communicating inlet line (15) of passageway (16).

5. A dual position expanding positioner according to claim 1, wherein: the middle part of the upper end of the piston rod (8) is provided with a threaded connecting hole (14), and the middle part of the lower end of the rod end cap (10) is provided with a threaded column (12) connected with the threaded connecting hole (14).

6. A dual position expanding positioner according to claim 1, wherein: a circle of annular groove (17) is arranged on the lower portion of the rod end cap (10) in a surrounding mode, and a convex ring (18) matched with the annular groove (17) is arranged on an inner hole of the tensioning taper sleeve (11).

7. A dual position expanding positioner according to claim 1, wherein: wherein the upper ends of the two workpiece supporting columns (3) which are arranged diagonally are provided with gas detection holes (7).