CN215201788U

CN215201788U - Vertical pressing jig

Info

Publication number: CN215201788U
Application number: CN202121503497.0U
Authority: CN
Inventors: 唐贵炯; 肖文进; 罗建平; 严志辉
Original assignee: Zhuhai Chaoteng Precision Plastic Co ltd
Current assignee: Zhuhai Chaoteng Precision Plastic Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-17
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a perpendicular pressfitting tool for location when perpendicular pressfitting second part on first part, including the reference column, base and gland, the base is equipped with first through-hole, and first through-hole is worn to locate by the reference column, the bottom surface of reference column and the bottom surface parallel and level of base, the top surface protrusion in the top surface of base of reference column, the top of reference column be equipped with the spacing complex positioning groove of first part, the gland is detained and is located the upper portion of base, the gland is equipped with the second through-hole, the second through-hole is worn to locate by the second part, the top surface of the central line perpendicular to reference column of second through-hole. When the second component needs to be vertically pressed on the first component, the first component is aligned to the positioning groove at the top end of the positioning column and placed, then the gland is covered, the second through hole in the gland is vertically aligned to the assembly position of the first component, and the second component is inserted into the second through hole, so that the second component can be vertically pressed into the first component, the assembly verticality is ensured, and the overall measurement yield is improved.

Description

Vertical pressing jig

Technical Field

The utility model belongs to the technical field of measure the frock, especially, relate to a perpendicular pressing fixture.

Background

With the continuous progress of society and the continuous improvement of product quality, the precision requirement of many trades to the part is higher and higher, requires it to satisfy the performance requirement of high accuracy, for example satisfy the measurement requirement in the aspect of circle run-out or the intensity of pulling out, but because many parts have very big cooperation error in the manufacturing process, single part is the size normal, but a plurality of parts make up into a whole, because the cooperation has the error, lead to the whole size not accurate, can't satisfy the requirement in some measurements, especially in the aspect of perpendicular pressfitting, when needing to install another part perpendicularly on a part, if not absolute perpendicular fit relation between the two, will improve the defective rate in high accuracy measurement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough of above-mentioned prior art existence, provide a perpendicular pressfitting tool, solved among the prior art perpendicular pressfitting precision not high, influence follow-up precision measurement scheduling problem.

The utility model provides a perpendicular pressfitting tool for location when perpendicular pressfitting second part on first part, including reference column, base and gland, the base is equipped with first through-hole, the reference column is worn to locate first through-hole, the bottom surface of reference column with the bottom surface parallel and level of base, the top surface protrusion of reference column in the top surface of base, the top of reference column be equipped with the spacing complex positioning groove of first part, the gland knot is located the upper portion of base, the gland is equipped with the second through-hole, the second part is worn to locate the second through-hole, the central line perpendicular to of second through-hole the top surface of reference column.

In some embodiments, after the pressing cover and the base are buckled and matched, a mass containing cavity is formed at the matching surface of the pressing cover and the base, and the mass containing cavity is used for placing the first component.

In some embodiments, the top end of the base is provided with a matching boss, the bottom end of the gland is provided with a matching groove, the groove wall of the matching groove is tightly connected with the side wall of the matching boss, and the groove bottom of the matching groove is in clearance fit with the top surface of the matching boss to form a mass accommodating cavity.

In some embodiments, a yielding groove is further arranged in the matching groove and used for yielding the structure on the top of the first component.

In some embodiments, the bottom of the gland is provided with a limiting groove, the limiting groove is connected to the bottom of the second through hole, and the limiting groove is used for limiting and matching with the first component.

In some embodiments, the base and the gland are both cylindrical in shape.

The utility model has the advantages that:

therefore, according to the embodiment of the disclosure, when the second component needs to be vertically pressed on the first component, the first component is aligned to the positioning groove at the top end of the positioning column and placed in the positioning groove, then the pressing cover is covered, the second through hole in the pressing cover is vertically aligned to the assembly position of the first component, and the second component is inserted into the second through hole, so that the second component can be vertically pressed into the first component, the assembly verticality is ensured, and the overall measurement yield is improved.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is an overall structure assembly schematic diagram of the vertical press fitting jig disclosed in the present invention.

Fig. 2 is a top view of the vertical pressing fixture disclosed in the present invention.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is a schematic structural view of a base in a vertical pressing fixture disclosed in the present invention.

Fig. 5 is a schematic structural view of a positioning column in a vertical pressing fixture.

Fig. 6 is a schematic structural view of a pressing cover in a vertical pressing fixture.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, when it is described that a specific device is located between a first device and a second device, an intervening device may or may not be present between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, that particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

The applicant researches and discovers that:

because many parts have very big cooperation error in manufacturing process, it is normal that single part is the size, but a plurality of parts make up into a whole, because the cooperation has the error, leads to whole size not accurate, can't satisfy the requirement in some measurements, especially in perpendicular pressfitting aspect, when needs another part of perpendicular installation on a part, if be not absolute perpendicular fit relation between the two, will improve the defective rate in high accuracy measurement.

In view of this, referring to fig. 1 to 6, the disclosure provides a vertical press-fitting jig for positioning when a second component is vertically press-fitted on a first component, including a positioning column 1, a base 2 and a press cover 3, wherein the base 2 is provided with a first through hole 21, the positioning column 1 is inserted into the first through hole 21, the base 2 is placed on a reference plane, a bottom surface of the positioning column 1 is flush with a bottom surface of the base 2, a top surface of the positioning column 1 protrudes out of a top surface of the base 2, a top end of the positioning column 1 is provided with a positioning groove 11 in limit fit with the first component, the press cover 3 is fastened on an upper portion of the base 2, the press cover 3 is provided with a second through hole 31, the second component is inserted into the second through hole 31, and a central line of the second through hole 31 is perpendicular to the top surface of the positioning column 1.

It should be noted that, this embodiment is used in the automobile parts field, and first part is an injection molding, and the second part is a metal cylinder, has a connecting hole on the injection molding, and the opening is up, and the metal cylinder inserts on this connecting hole perpendicularly, and concrete cooperation process is as follows:

the positioning column 1 is inserted into the first through hole 21 of the base 2, the positioning column 1 can be replaced according to actual needs, so that the positioning column 1 with a proper positioning groove 11 is selected, the positioning groove 11 is used for positioning with a first part, the first part can be effectively limited when being placed on the positioning column 1, displacement can not be generated, then the gland 3 is buckled, the second through hole 31 in the gland 3 is vertically aligned with the assembly position of the first part, the second part is inserted into the second through hole 31 at the moment, the second part is vertically pressed on the first part along the direction of the hole, limitation of the bottom of the positioning groove 11 is received, the verticality of assembly of the first part and the second part is ensured, and the subsequent overall measurement yield is improved.

Referring to fig. 3, in this embodiment, after the pressing cover 3 and the base 2 are fastened and press-fitted, the pressing cover 3 is attached to the base 2 at an outer edge position, a mass accommodating cavity 4 is formed at a fitting surface of the pressing cover 3 and the base 2, the mass accommodating cavity 4 is used for accommodating a first component, that is, the edge portion is hermetically attached, and the middle portion is hollow.

With reference to fig. 4 to 6, as an implementation manner, the top end of the base 2 is provided with the matching boss 22, the bottom end of the gland 3 is provided with the matching groove 32, the groove wall of the matching groove 32 is tightly connected with the side wall of the matching boss 22, the groove bottom of the matching groove 32 is in clearance fit with the top surface of the matching boss 22 to form the containing cavity 4, when the gland 3 is fastened on the base 2, since the matching boss 22 is in a circular truncated cone shape, the gland 3 and the base 2 can rotate relatively horizontally, the wall surface of the matching boss 22 and the wall surface of the matching groove 32 are tightly connected during rotation, so that the limiting accuracy is ensured, and the first component is in a relatively loose state in the containing cavity 4, that is, the first component does not rotate along with the rotation of the gland 3.

In one embodiment, the recess 32 is further provided with a recess 33, and the recess 33 is used for providing a recess on the top of the first component, and since the first component has a certain thickness and a protrusion structure on the top surface, for better connection, the recess 33 is deeper than the recess of the recess 32 and is used for providing a protrusion structure on the top of the first component.

In this embodiment, the bottom of the pressing cover 3 is provided with a limiting groove 34, the limiting groove 34 is connected to the bottom of the second through hole 31, and the limiting groove 34 is used for limiting and matching with the first component, and forms a clamping force with the positioning column 1 in order to better press the top of the first component.

In the present embodiment, the base 2 and the cover 3 are cylindrical in shape.

Compared with the prior art, the utility model provides a perpendicular pressfitting tool when needs perpendicular pressfitting second part on first part, aims at the first part positioning groove 11 on 1 top of reference column and puts into, then covers gland 3, and the second through-hole 31 in the gland 3 aligns the assembly position of first part perpendicularly, inserts the second part in the second through-hole 31, makes the second part can pressfitting perpendicularly advance in the first part, guarantees the straightness that hangs down of assembly, improves whole measuring yields.

Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but only to the preferred embodiments of the invention, and is not limited to the embodiments, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. The vertical press fitting jig is used for positioning when a second part is vertically pressed on a first part and is characterized by comprising a positioning column, a base and a press cover, wherein the base is provided with a first through hole, the positioning column penetrates through the first through hole, the bottom surface of the positioning column is flush with the bottom surface of the base, the top surface of the positioning column protrudes out of the top surface of the base, a positioning groove in limiting fit with the first part is formed in the top end of the positioning column, the press cover is buckled on the upper portion of the base, a second through hole is formed in the press cover, the second part penetrates through the second through hole, and the central line of the second through hole is perpendicular to the top surface of the positioning column.

2. The vertical press fit jig of claim 1, wherein after the press cover and the base are fastened and matched, a quality containing cavity is formed at the matching surface of the press cover and the base, and the quality containing cavity is used for placing the first component.

3. The vertical press fitting jig according to claim 2, wherein the top end of the base is provided with a fitting boss, the bottom end of the press cover is provided with a fitting groove, a groove wall of the fitting groove is tightly connected with a side wall of the fitting boss, and a groove bottom of the fitting groove is in clearance fit with a top surface of the fitting boss to form a quality accommodating cavity.

4. The vertical press fit jig of claim 3, wherein the mating groove is further provided with a relief groove therein, and the relief groove is used for relieving a structure on the top of the first component.

5. The vertical press fitting jig according to claim 4, wherein a limiting groove is formed at the bottom of the press cover, the limiting groove is connected to the bottom of the second through hole, and the limiting groove is used for limiting and matching with the first component.

6. A vertical pressing jig according to any one of claims 1 to 5 wherein the base and the pressing cover are cylindrical in shape.