CN219255369U

CN219255369U - Taper centering positioning device

Info

Publication number: CN219255369U
Application number: CN202320476897.XU
Authority: CN
Inventors: 王光; 汪晓林; 胡连太; 董泉达; 李学伟
Original assignee: Yantai Lita Craftsman Robot Co ltd
Current assignee: Yantai Lita Craftsman Robot Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-06-27
Anticipated expiration: 2033-03-09

Abstract

The utility model relates to a taper centering positioning device, which comprises a supporting part and a centering positioning assembly connected to one end of the supporting part, wherein the centering positioning assembly comprises a positioning part, the positioning part comprises a positioning sleeve and a positioning plate which are coaxially arranged, the positioning sleeve is used for placing a workpiece and centering the workpiece, the positioning plate is used for positioning the workpiece, and the positioning sleeve can axially move relative to the positioning plate in the positioning plate. The taper centering positioning device provided by the utility model can be applied to an automatic production line, realizes automatic positioning and centering of a workpiece through the matching of the positioning part and the telescopic part, and can further improve the positioning accuracy of the workpiece and avoid position deviation through the structural arrangement of a guide sleeve, a positioning ring and the like. On the other hand, the utility model is applicable to clamping and positioning workpieces with different specifications and models, and has wide application range.

Description

Taper centering positioning device

Technical Field

The utility model relates to the technical field of machining, in particular to a taper centering positioning device.

Background

In the automatic production process of automobile parts, when the working procedure is circulated, the workpiece needs to be turned over by 180 degrees and then is put into processing equipment for subsequent processing. Such workpieces are generally used on brake discs, generally disc-shaped, and are provided with a through-going central hole. The existing workpiece is usually manually carried during turnover, so that the labor intensity is high, the efficiency is low, and the turnover accuracy is difficult to ensure; at present, also use simple and easy dull and stereotyped turnover in some operation scenes, see fig. 6, simple and easy dull and stereotyped setting has the flat board through the stand welding, has seted up U type groove structure on the flat board, places the work piece and has had enough to meet the need on the flat board, and the device can promote certain operating efficiency, but it lacks the centering function, easily presss from both sides partially, can't carry out accurate upset location equally.

Disclosure of Invention

The utility model aims to provide a taper centering positioning device which can realize accurate overturning positioning of a workpiece.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tapering centering positioner, includes supporting part and connects in the centering locating component of supporting part one end, centering locating component includes the locating part, the locating part includes locating sleeve and the locating plate of coaxial setting, the locating sleeve is used for placing the centering of work piece and work piece, the locating plate is used for the location of work piece, the locating sleeve can carry out axial motion for the locating plate in the inside of locating plate.

As the preferable scheme, centering locating component still includes the expansion portion of connecting in the location portion, the expansion portion is connected in the bottom of locating sleeve for drive the locating sleeve carries out axial motion.

As the preferable scheme, the telescopic part includes first axle, the cover is located the second axle of first axle upper end and is set up in the inside elastic part of second axle, the locating sleeve is connected at the top of second axle, first axle connect in supporting part, the position that first axle is close to the top is connected with the spacing ring along circumference, the spacing ring is used for spacing to elastic part.

Preferably, the centering and positioning assembly comprises a switching assembly, the switching assembly is connected to the supporting part, and the positioning plate is connected to the switching assembly.

As a preferable scheme, the switching assembly comprises a fixed seat connected to the top end of the supporting part and a positioning disc connected to the top end of the fixed seat, and the positioning disc is connected with the positioning plate through a base plate.

As the preferable scheme, the backing plate is detachably connected with the positioning disk, and the positioning disk is provided with connecting holes in different diameter ranges so as to install backing plates with different specifications and realize quick assembly and quick replacement.

As an optimal scheme, the locating sleeve is detachably connected to the telescopic part, so that the telescopic part is convenient to replace and is suitable for locating workpieces with different specifications.

Preferably, the center of the positioning disc is connected with a guide sleeve, the second shaft penetrates through the guide sleeve, and the guide sleeve is used for guiding the movement of the second shaft.

Preferably, a first positioning ring for adjusting the position is connected to the periphery of the first shaft, and a second positioning ring for adjusting the position is connected to the periphery of the second shaft.

Compared with the prior art, the utility model has the beneficial effects that: the taper centering positioning device provided by the utility model can be applied to an automatic production line, realizes automatic positioning and centering of a workpiece through the matching of the positioning part and the telescopic part, and can further improve the positioning accuracy of the workpiece and avoid position deviation through the structural arrangement of a guide sleeve, a positioning ring and the like. On the other hand, the utility model is applicable to clamping and positioning workpieces with different specifications and models, and has wide application range.

Drawings

FIG. 1 is a schematic view of the overall structure of a taper centering positioning device of the present utility model;

FIG. 2 is a rear view of a taper centering positioning device of the present utility model;

FIG. 3 is a cross-sectional view taken along the direction A-A of FIG. 2;

FIG. 4 is a schematic view of a centering assembly according to the present utility model;

FIG. 5 is a schematic view of a centering assembly according to another embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a simple flat plate in the prior art.

The meaning of each reference sign in the figure is:

1. a support part; 11. a support column; 12. a column base; 13. reinforcing ribs; 2. a positioning part; 21. a positioning sleeve; 22. a positioning plate; 3. a telescopic part; 31. a first shaft; 311. a limiting ring; 32. a second shaft; 33. an elastic part; 4. a switching component; 41. a fixing seat; 42. a positioning plate; 43. a backing plate; 44. a guide sleeve; 5. a first positioning ring; 6. and a second positioning ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, the embodiment discloses a taper centering positioning device, which comprises a supporting portion 1, wherein one end of the supporting portion 1 is connected with a centering positioning assembly, and the supporting portion 1 is used for supporting and fixing the centering positioning assembly.

In this embodiment, the supporting portion 1 includes a supporting upright 11 and an upright base 12 fixedly connected to the bottom end of the supporting upright 11, and a mounting hole is provided in the upright base 12, through which the upright base 12 can be fixedly mounted on the ground or other fixing devices. A reinforcing rib 13 is connected between the lower end of the support column 11 and the column base 12 to ensure the stability of the support column 11. It will be appreciated that the support 1 is not limited to a support form using the support posts 11, but may be a support form using a support table, a support base, or the like in other embodiments.

Referring to fig. 4 and 5, the centering and positioning assembly includes a positioning portion 2, the shape of the positioning portion 2 matches with the shape of the workpiece to be turned over, for placing and centering and positioning the workpiece, the positioning portion 2 further includes a positioning sleeve 21 and a positioning plate 22, the positioning sleeve 21 is used for placing and centering the workpiece, and the positioning plate 22 is used for positioning the workpiece. In this embodiment, the positioning sleeve 21 is set to be a conical positioning sleeve 21, and when in positioning, the workpiece is sleeved on the conical positioning sleeve 21, and the positioning sleeve 21 in conical arrangement can be adapted to workpieces with different aperture sizes. The positioning plate 22 is arranged in a ring shape with a notch, and the positioning plate 22 can be arranged in two or more pieces in a split arrangement to form a ring shape, or can be integrally arranged in a ring shape, so that the bottom end of a workpiece can be ensured to be arranged on the positioning plate 22. And the conical positioning sleeve 21 and the annular positioning plate 22 are coaxially arranged. The maximum diameter of the conical locating sleeve 21 is smaller than the inner diameter of the locating plate 22, so that the locating sleeve 21 can axially move relative to the locating plate 22 in the locating plate 22, and further the workpiece placed on the locating sleeve 21 is driven to axially move, and the taper of the cross section of the locating sleeve 21 can be flexibly designed according to the weight and the shape and the size of the workpiece. In the initial state, the locating sleeve 21 is arranged above the locating plate 22, namely, far away from one side of the supporting part 1, when a workpiece is placed on the locating sleeve 21, the locating sleeve 21 drives the workpiece to move towards the direction close to the locating plate 22 under the action of the gravity of the workpiece, so that the locating surface of the workpiece is located on the locating plate 22, the centering and locating of the workpiece are completed, and at the moment, the robot can grasp the workpiece from the lower side of the workpiece, overturn for 180 degrees and ensure the accuracy of the center of the workpiece.

With reference to fig. 4 and 5, the centering and positioning assembly further includes a telescopic portion 3 connected to the positioning portion 2, where the telescopic portion 3 is connected to the bottom of the positioning sleeve 21 and is used to drive the positioning sleeve 21 to perform axial movement. Specifically, the expansion and contraction part 3 includes a first shaft 31, a second shaft 32 fitted over the upper end of the first shaft 31, and an elastic part 33 provided inside the second shaft 32. The second shaft 32 is provided as a shaft body having a predetermined length, the tip end of which is connected to the positioning sleeve 21, the inside of the second shaft 32 is provided as a hollow structure, and an elastic portion 33 is provided inside thereof, and in this embodiment, the elastic portion 33 is preferably a spring. The first shaft 31 is also configured as a shaft body with a predetermined length, the lower end of the first shaft 31 is connected to the supporting portion 1, and the first shaft is specifically configured to be inserted into the supporting upright 11, a limiting ring 311 is connected to the position near the top end of the first shaft along the circumferential direction, the upper end of the first shaft 31 is inserted into the second shaft 32 and further inserted into the spring, and the limiting ring 311 abuts against the bottom end of the spring to limit the spring.

With reference to fig. 4 and 5, the centering and positioning assembly further includes an adapter assembly 4 connected to the support portion 1, and the positioning plate 22 is fixed by the adapter assembly 4. Specifically, the adapter assembly 4 includes a fixing seat 41 connected to the top end of the supporting upright 11, and a positioning plate 42 connected to the top end of the fixing seat 41, and the positioning plate 22 is connected through the positioning plate 42. The top of the support upright 11 is welded with a mounting plate, the fixing seat 41 is fixedly connected onto the mounting plate, and the positioning disc 42 is fixedly connected to the top of the fixing seat 41 through bolts. The upper end surface of the positioning plate 42 is connected with a backing plate 43, the positioning plate 22 is connected to the top end of the backing plate 43, and the backing plate 43 has a predetermined height in this embodiment in order to ensure a proper axial compression stroke in cooperation with the elastic portion 33 and to ensure a proper positional relationship between the positioning plate 22 and the positioning sleeve 21 in an initial state. In order to make the device suitable for positioning workpieces of different specifications, in a preferred embodiment, the positioning sleeve 21 is detachably connected to the top end of the second shaft 32, and the backing plate 43 is detachably connected to the positioning disc 42, which can be a quick-release connection manner such as a bolt connection. The positioning disc 42 is provided with connecting holes in different diameter ranges so as to install the backing plates 43 with different specifications and realize quick assembly and quick replacement.

To ensure that the axial movement of the second shaft 32 is accurate and does not deviate, a guide sleeve 44 is connected to the center of the positioning disk 42, and the second shaft 32 is arranged in the guide sleeve 44 in a penetrating manner, and is used for guiding the movement of the second shaft 32 through the guide sleeve 44.

In this embodiment, the fixing seat 41 is provided with a hollow structure, a first hole is formed on the top end surface of the fixing seat for passing the guide sleeve 44 therethrough, and a second hole is formed on the bottom end surface of the fixing seat for passing the first shaft 31 therethrough. Similarly, the mounting plate is also provided with a third hole body matched with the outer diameter of the first shaft 31, and the lower end part of the first shaft 31 is penetrated in the third hole body. The periphery of the first shaft 31 is also connected with a first positioning ring 5, the first positioning ring 5 is arranged in the fixed seat 41, the first positioning ring 5 is connected with a first fastening pin, the position of the first shaft 31 can be adjusted and fixed through the first positioning ring 5 and the first fastening pin, the first shaft 31 can be axially adjusted, and then the limiting ring 311 is driven to axially adjust the position, so that the elastic force of the spring can be adjusted. The periphery of the second shaft 32 is also connected with a second positioning ring 6, the second positioning ring 6 is arranged at the bottom end of the guide sleeve 44, the second positioning ring 6 is connected with a second fastening pin, and the position of the second shaft 32 can be adjusted and fixed through the second positioning ring 6 and the second fastening pin. Preferably, the fixing seat 41 is partially opened to facilitate adjustment of the positioning ring.

The taper centering positioning device provided by the utility model is integrally supported by the supporting upright post 11, the top of the supporting upright post 11 is welded with the mounting plate, and the mounting plate is provided with the third hole body which is used for connecting the first shaft 31 and is convenient for the position adjustment of the first shaft 31; the fixing base 41 is connected to the mounting plate, the first shaft 31 is connected to the bottom end surface of the fixing base 41 and is fixed by the first positioning ring 5, and the upper end of the first shaft 31 is inserted into the second shaft 32. The positioning plate 42 is arranged on the top end of the fixed seat 41, the positioning plate 42 is used for installing the base plate 43, mounting holes can be formed in different diameter ranges of the positioning plate 42 according to workpieces with different specifications, and the base plate 43 is arranged on the positioning plate 42 in a matching manner according to the specifications and the sizes of the workpieces, so that the use requirements of the workpieces with various specifications and sizes are met; the positioning plate 22 is arranged on the backing plate 43 and used for realizing workpiece positioning, and can be used for processing various specifications to adapt to different installation positions of the backing plate 43; a guide sleeve 44 is mounted on the positioning disk 42 for guiding the axial movement of the second shaft 32 under the action of the elastic portion 33; the positioning sleeve 21 is mounted on the top end of the second shaft 32 and can axially move along with the second shaft 32.

When a workpiece is placed on the positioning sleeve 21, the spring in the second shaft 32 is compressed and moves downwards under the action of the gravity of the workpiece, the workpiece positioning surface is positioned on the positioning plate 22 at the moment, the centering and positioning of the workpiece are completed, and the robot can grasp the workpiece from the lower part of the workpiece at the moment, realize the overturning of 180 degrees and ensure the accuracy of the center of the workpiece. When the workpiece is out of range, the positioning plate 22 can be replaced by replacing the position of the backing plate 43 on the positioning plate 42, and the positioning sleeve 21 can be replaced to realize the application of workpieces with more specifications and sizes.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tapering centering positioner, its characterized in that includes supporting part (1) and connects in the centering locating component of supporting part (1) one end, centering locating component includes locating part (2), locating part (2) are including locating sleeve (21) and locating plate (22) of coaxial setting, locating sleeve (21) are used for placing the centering of work piece and work piece, locating plate (22) are used for the location of work piece, locating sleeve (21) can carry out axial motion in the inside of locating plate (22) for locating plate (22).

2. The taper centering positioning device as claimed in claim 1, wherein the centering positioning assembly further comprises a telescopic part (3) connected to the positioning part (2), and the telescopic part (3) is connected to the bottom of the positioning sleeve (21) and is used for driving the positioning sleeve (21) to axially move.

3. The taper centering positioning device according to claim 2, wherein the telescopic part (3) comprises a first shaft (31), a second shaft (32) sleeved at the upper end part of the first shaft (31), and an elastic part (33) arranged inside the second shaft (32), the top end of the second shaft (32) is connected with the positioning sleeve (21), the first shaft (31) is connected with the supporting part (1), a limiting ring (311) is connected at a position, close to the top end, of the first shaft (31) along the circumferential direction, and the limiting ring (311) is used for limiting the elastic part (33).

4. A taper centering positioning device as claimed in claim 3, characterized in that the centering positioning assembly comprises an adapter assembly (4), the adapter assembly (4) being connected to the support (1), the positioning plate (22) being connected to the adapter assembly (4).

5. The taper centering positioning device as claimed in claim 4, wherein the adapter assembly (4) includes a fixing base (41) connected to the top end of the supporting portion (1), and a positioning plate (42) connected to the top end of the fixing base (41), and the positioning plate (42) is connected to the positioning plate (22) through a backing plate (43).

6. The taper centering location device of claim 5, characterized in that the backing plate (43) is removably attached to the positioning disk (42).

7. Taper centering positioning device according to claim 2, characterized in that the positioning sleeve (21) is detachably connected to the telescopic part (3).

8. The taper centering positioning device as claimed in claim 5, characterized in that a guide sleeve (44) is connected to the center of the positioning disk (42), the second shaft (32) is inserted into the guide sleeve (44), and the guide sleeve (44) is used for guiding the movement of the second shaft (32).

9. A taper centering positioning device as claimed in claim 3, characterized in that a first positioning ring (5) for adjusting the position is connected to the periphery of the first shaft (31), and a second positioning ring (6) for adjusting the position is connected to the periphery of the second shaft (32).