CN214866755U

CN214866755U - Auxiliary positioning device used before spinning forming of circular plate blank

Info

Publication number: CN214866755U
Application number: CN202120283868.2U
Authority: CN
Inventors: 周路; 周平虎; 范作军
Original assignee: Xi'an Prosper Metal Spinning And Forming Technology Co ltd
Current assignee: Xi'an Prosper Metal Spinning And Forming Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-26
Anticipated expiration: 2031-02-02

Abstract

The utility model provides an auxiliary positioning device before plectane blank spin forming, including the positioning disk, the equipartition has three positioning mechanism, every on the positioning disk positioning mechanism all includes the slide bar, the one end of slide bar is equipped with the locating plate, the pointer is installed with the bottom of slide bar junction to the locating plate, the below of pointer is equipped with the scale, just the threaded rod is installed through rotating at the top of slide bar, be connected with the slide through the thread engagement on the outer wall of threaded rod, one side of slide is connected with the briquetting through the connecting rod, just the bottom center department of positioning disk is equipped with the positioning seat, one side that the positioning disk was kept away from to the positioning seat is equipped with the regulating part, just the top equipartition of positioning disk has locking bolt. The utility model discloses a tight location of clamp of plectane blank has improved the stability and the accuracy of location, and can not cause the damage to the plectane blank, is applicable to the plectane blank of the multiple not unidimensional of location.

Description

Auxiliary positioning device used before spinning forming of circular plate blank

Technical Field

The utility model relates to a spinning forming's technical field specifically is a supplementary positioner before plectane blank spinning forming.

Background

Before the circular plate blank is spun and formed, the circular plate blank and a machine tool mandrel need to be accurately positioned so as to ensure that the circular plate blank and the machine tool mandrel have high coaxiality and further ensure the spinning and forming quality.

At present, before positioning a circular plate blank and a machine tool mandrel, a positioning hole is drilled in the center of the circular plate blank, then the central positioning hole is matched with the machine tool mandrel to realize centering positioning, and finally the circular plate blank is tightly pressed on the machine tool mandrel through a tail top.

In order to ensure the processing integrity of parts, a material supporting mechanism can be additionally arranged below a machine tool mandrel, and the positioning of a circular plate blank and the machine tool mandrel is realized through the material supporting mechanism, but the positioning precision of the material supporting mechanism is low, when the material supporting mechanism is used for positioning, the installation and debugging process of the material supporting mechanism is complex, and the material supporting mechanism needs to be installed and debugged again when the size of the circular plate blank is adjusted every time, so that long preparation time is needed before spinning forming, the production efficiency of parts is reduced, and furthermore, the material supporting mechanism occupies a part of forming space of the circular plate blank, so that the forming range of the circular plate blank is limited.

Therefore, there is a need to develop an auxiliary positioning device before spinning forming of circular plate blanks to solve the problem of fast and accurate positioning before spinning forming of circular plate blanks with different sizes.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an auxiliary positioning device used before spinning forming of a circular plate blank, which is used for solving the technical problem provided in the background technology.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

an auxiliary positioning device used before spinning forming of a circular plate blank comprises a positioning disc, wherein three positioning mechanisms are uniformly distributed on the positioning disc, each positioning mechanism comprises a sliding rod, one end of the sliding rod penetrates through a surrounding plate of the positioning disc and is in sliding connection with the surrounding plate, the other end of the sliding rod is provided with a positioning plate, a pointer is arranged at the bottom of the joint of the positioning plate and the sliding rod, a graduated scale is arranged below the pointer, one end of the graduated scale is fixedly connected with the inner wall of the positioning disc, the top of the sliding rod is close to the outer edge and is provided with a threaded rod through a rotating part, the outer wall of the threaded rod is connected with a sliding seat through threaded engagement, one side of the sliding seat is connected with a pressing block through a connecting rod, a positioning seat is arranged at the center of the bottom of the positioning disc, an adjusting part is arranged on one side, away from the positioning disc, and locking bolts are uniformly distributed at the top of the positioning disc, the bottom end of the locking bolt is abutted against the sliding rod.

Preferably, the positioning seat is provided with a U-shaped groove, the outer side of the positioning seat is circumferentially provided with three positioning grooves, and the inner side of each positioning groove is provided with a permanent magnet.

Preferably, the regulating part includes the arc cover, fixed mounting has the mounting panel on the one end outer wall of arc cover, one side of mounting panel is equipped with three iron prop along the circumference, iron prop and constant head tank plug-in connection and permanent magnet actuation each other.

Preferably, the outer diameter of the arc-shaped sleeve is the same as the inner diameter of the circular groove of the U-shaped groove.

Preferably, a U-shaped notch is formed in the positioning disc and corresponds to the U-shaped groove.

Preferably, the bottom of the pressing block is provided with a spongy cushion.

Preferably, the top of the threaded rod is provided with an adjusting handle.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model realizes clamping and positioning of the circular plate blank through the sliding rod, the locking bolt, the positioning plate, the pointer, the graduated scale, the threaded rod, the slide seat, the pressing block, the positioning seat and the adjusting piece, improves the positioning stability and accuracy, reduces the possibility that the circular plate blank moves outwards or drops when the positioning disc is arranged on the mandrel of the machine tool, can not damage the circular plate blank, and is suitable for positioning the circular plate blanks with different sizes; through iron column, constant head tank and permanent magnet, realized the quick installation of regulating part, and dismantle the convenience, can save time.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall external structure of the present invention;

fig. 2 is a bottom view of the positioning plate structure of the present invention;

FIG. 3 is a schematic structural view of the positioning seat and the adjusting member of the present invention;

fig. 4 is an enlarged view of region a in fig. 1.

In the figure: 1. positioning a plate; 11. a U-shaped notch; 2. a positioning mechanism; 21. a slide bar; 211. positioning a plate; 22. locking the bolt; 23. a graduated scale; 24. a pointer; 25. a threaded rod; 251. an adjusting handle; 26. a slide base; 27. briquetting; 271. a sponge cushion; 3. positioning seats; 31. a U-shaped groove; 32. positioning a groove; 321. a permanent magnet; 4. an adjustment member; 41. mounting a plate; 411. an iron column; 42. an arc-shaped sleeve.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the embodiment, referring to fig. 1 and 4, an auxiliary positioning device before spinning forming of a circular plate blank comprises a positioning plate 1, three positioning mechanisms 2 are uniformly distributed on the positioning plate 1, each positioning mechanism 2 comprises a sliding rod 21, one end of each sliding rod 21 penetrates through a surrounding plate of the positioning plate 1 and is in sliding connection with the corresponding surrounding plate, the other end of each sliding rod 21 is provided with a positioning plate 211, a pointer 24 is installed at the bottom of the joint of the corresponding positioning plate 211 and the corresponding sliding rod 21, a scale 23 is arranged below the pointer 24, one end of the scale 23 is fixedly connected with the inner wall of the positioning plate 1, a threaded rod 25 is installed at the top of each sliding rod 21 close to the outer edge through a rotating part, the rotating part adopts a ball bearing, a sliding seat 26 is connected to the outer wall of the threaded rod 25 through threaded engagement, a pressing block 27 is connected to one side of the sliding seat 26 through a connecting rod, and a positioning seat 3 is arranged at the center of the bottom of the positioning plate 1, the side of the positioning seat 3, which is far away from the positioning plate 1, is provided with the adjusting part 4, the top of the positioning plate 1 is uniformly provided with the locking bolts 22, the bottom ends of the locking bolts 22 are abutted against the sliding rod 21, when the positioning seat is used, the locking bolts 22 are loosened, the sliding rod 21 is moved according to the size of the circular plate blank, the sliding rod 21 drives the positioning plate 211 to move so as to adjust the position of the positioning plate 211, the moving distance is determined by the pointer 24 and the graduated scale 23 until the sliding rod 21 and the positioning plate 211 move to the position capable of clamping the circular plate blank, after the three positioning plates 211 are adjusted, the circular plate blank is placed among the three positioning plates 211, the circular plate blank is clamped by the sliding rod 21 and the positioning plate 211, then the sliding seat 26 drives the pressing block 27 to press the circular plate blank by the rotating threaded rod 25, so that the positioning stability and accuracy are improved, and the possibility that the circular plate blank moves outwards or drops when the positioning plate 1 is installed on the machine spindle is reduced, the bottom of briquetting 27 is equipped with foam-rubber cushion 271, can prevent through foam-rubber cushion 271 that briquetting 27 from leading to the fact the damage to the plectane blank, regulation handle 251 is installed at the top of threaded rod 25, and the regulation handle 251 that utilizes to set up makes the threaded rod 25 of rotation more convenient.

In an embodiment, referring to fig. 2 and 3, a U-shaped groove 31 is provided on the positioning seat 3, three positioning grooves 32 are provided on the outer side of the positioning seat 3 along the circumference, permanent magnets 321 are provided on the inner sides of the positioning grooves 32, the adjusting member 4 includes an arc-shaped sleeve 42, an installation plate 41 is fixedly installed on the outer wall of one end of the arc-shaped sleeve 42, three iron posts 411 are provided on one side of the installation plate 41 along the circumference, the iron posts 411 are connected with the positioning grooves 32 in an inserting manner and attract the permanent magnets 321, the outer diameter of the arc-shaped sleeve 42 is the same as the inner diameter of the circular groove of the U-shaped groove 31, a U-shaped notch 11 is provided on the positioning plate 1, the U-shaped notch 11 corresponds to the U-shaped groove 31, the adjusting member 4 is selected according to the outer diameter of the machine spindle, so that the machine spindle can be just inserted into the arc-shaped sleeve 42, the iron posts 411 are inserted into the positioning grooves 32, and the adjusting member 4 is installed by using the permanent magnets 321 and the iron posts 411, the positioning plate 1 is installed and positioned through the adjusting piece 4.

The utility model discloses a concrete operation as follows:

firstly, loosening the locking bolt 22, moving the sliding rod 21 according to the size of the circular plate blank, making the sliding rod 21 drive the positioning plate 211 to move to adjust the position of the positioning plate 211, determining the moving distance by using the pointer 24 and the graduated scale 23 until the sliding rod 21 and the positioning plate 211 move to the position capable of clamping the circular plate blank, after all three positioning plates 211 are adjusted, placing the circular plate blank between the three positioning plates 211, clamping the circular plate blank by using the sliding rod 21 and the positioning plate 211, then rotating the adjusting handle 251 by hand to rotate the threaded rod 25, using the rotating threaded rod 25 to drive the slide seat 26 to drive the press block 27 to press the circular plate blank, then selecting the proper adjusting piece 4 according to the size of the external diameter of the machine tool mandrel, making the machine tool mandrel just inserted into the arc-shaped sleeve 42, inserting the iron column 411 into the positioning groove 32 and completing the installation of the adjusting piece 4 by using the cooperation of the permanent magnet 321 and the iron column 411, the positioning disc 1 is tightly sleeved on a mandrel of a machine tool through the adjusting piece 4, the center of the circular plate blank faces the mandrel of the machine tool, the tail top of the machine tool is controlled to extend out until the circular plate blank is clamped between the mandrel of the machine tool and the tail top, then the position of the pressing block 27 and the position of the sliding rod 21 are adjusted to separate the pressing block 27 and the positioning plate 211 from the circular plate blank, then the positioning disc 1 can be taken down, the positioning disc 1 does not occupy the forming space of the circular plate blank, and finally the circular plate blank can be subjected to spinning forming.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides an auxiliary positioning device before spinning of plectane blank, includes positioning disk (1), its characterized in that, the equipartition has three positioning mechanism (2) on positioning disk (1), every positioning mechanism (2) all include slide bar (21), the bounding wall of positioning disk (1) is run through and rather than sliding connection to the one end of slide bar (21), and the other end is equipped with locating plate (211), pointer (24) are installed to the bottom of locating plate (211) and slide bar (21) junction, the below of pointer (24) is equipped with scale (23), the one end of scale (23) and the inner wall fixed connection of positioning disk (1), just threaded rod (25) are installed through the rotation piece near the outer edgewise in the top of slide bar (21), be connected with slide (26) through thread engagement on the outer wall of threaded rod (25), one side of slide (26) is connected with briquetting (27) through the connecting rod, and the bottom center of positioning disk (1) is equipped with positioning seat (3), one side that positioning seat (3) kept away from positioning disk (1) is equipped with adjusting part (4), just the top equipartition of positioning disk (1) has locking bolt (22), the bottom and the slide bar (21) of locking bolt (22) are inconsistent.

2. The auxiliary positioning device for the circular plate blank before spinning forming according to claim 1, wherein the positioning seat (3) is provided with a U-shaped groove (31), the outer side of the positioning seat (3) is provided with three positioning grooves (32) along the circumference, and the inner side of the positioning grooves (32) is provided with a permanent magnet (321).

3. The auxiliary positioning device before spinning forming of the circular plate blank as claimed in claim 2, wherein the adjusting member (4) comprises an arc-shaped sleeve (42), an installation plate (41) is fixedly installed on an outer wall of one end of the arc-shaped sleeve (42), three iron columns (411) are arranged on one side of the installation plate (41) along the circumference, and the iron columns (411) are connected with the positioning grooves (32) in an inserting manner and attract each other with the permanent magnets (321).

4. An auxiliary positioning device before spinning forming of circular plate blank as claimed in claim 3, wherein the outer diameter of said arc-shaped sleeve (42) is the same as the inner diameter of the circular groove of the U-shaped groove (31).

5. An auxiliary positioning device before spinning forming of a circular plate blank according to claim 1, wherein a U-shaped notch (11) is formed on the positioning disc (1), and the U-shaped notch (11) corresponds to the U-shaped groove (31).

6. The auxiliary positioning device for the circular plate blank before spinning forming as claimed in claim 1, wherein the bottom of said pressing block (27) is provided with a sponge pad (271).

7. The auxiliary positioning device for circular plate blanks before spinning forming of claim 1, wherein the top of the threaded rod (25) is provided with an adjusting handle (251).