CN217194138U

CN217194138U - Positioning tool for machining inner hole of crosshead

Info

Publication number: CN217194138U
Application number: CN202123099306.1U
Authority: CN
Inventors: 唐恭平; 夏世昌; 梁峰
Original assignee: HUBEI PETROKH MACHINE MANUFACTURING CO LTD
Current assignee: HUBEI PETROKH MACHINE MANUFACTURING CO LTD
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-08-16
Anticipated expiration: 2031-12-10

Abstract

The utility model provides a positioning tool for processing an inner hole of a crosshead, which comprises a positioning tool body, the positioning tool body comprises a tool, a positioning pin and a bolt, the surface of the tool is provided with the bolt and the positioning pin, the tool is arranged at the top of the machine tool platform, a product is arranged at the top end of the tool, a first processing hole and a second processing hole are formed in one side of the product, a screw hole on the central line of a crosshead of the product is processed into a datum hole, the tool can be matched with the size of an inner spigot of the crosshead, and a reference hole is also processed on the tool, the hole and the pitch of the hole on the surface of the tool are ensured to be consistent with the hole and the pitch of the hole on the crosshead, this location frock of processing cross head hole can improve machining efficiency, has improved product size precision, and can the repeated positioning, saves more correction time for subsequent manufacturing procedure.

Description

Positioning tool for machining inner hole of crosshead

Technical Field

The utility model relates to a machining technical field specifically is a location frock of processing cross head hole.

Background

The technical requirements for processing crosshead inner hole products are that the outer circle and the inner hole are vertical, coaxial and symmetrical to the inner spigot. At present, the clamping and correcting of a machining cross head are not based on an inner spigot and an inner end face of the spigot, but based on an excircle of semi-finish turning, the clamping is corrected by pushing a product with a hand, the process is complicated, the efficiency is low, the labor intensity is high, the uncertainty of perpendicularity, coaxiality and symmetry in the machining process is high, the human factors are multiple, and each product cannot meet the technical requirements of drawings.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a location frock of processing cross head hole to solve the problem that proposes in the above-mentioned background art, the utility model discloses machining efficiency can be improved, product size precision has been improved, and can the repeated positioning, saves more correction time for subsequent manufacturing procedure.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a location frock of processing cross head hole, includes location frock body, location frock body includes frock, locating pin and bolt, the surface mounting of frock has bolt and locating pin, the top at the lathe platform is installed to the frock, the top of frock is provided with the product, processing hole one has been seted up to one side of product, processing hole two has been seted up to the opposite face of processing hole one.

As a preferred embodiment of the present invention, the screw hole on the center line of the crosshead of the product is processed into a reference hole, and the bottom boss of the tool is installed in the trapezoidal groove of the machine tool platform.

As a preferred embodiment of the utility model, the frock can cooperate with tang size in the cross head, and also processed a reference hole on the frock, the hole and the pitch-row on frock surface and the cross head are unanimous with hole and pitch-row on the cross head assurance, the pinhole that has processed on the product is aimed at with the locating pin on frock surface.

As an optimal implementation manner of the utility model, the frock openly pastes flatly and compresses tightly with the terminal surface in the tang.

As a preferred embodiment of the utility model, equally divide the boss that the processing becomes wide 22mm, dark 10mm according to the frock excircle to the frock reverse side to cooperate with the groove width on the lathe platform.

As an optimized implementation manner of the utility model, the two-sided depth of parallelism after the positive and negative processing of frock is guaranteed at 0.01 within range.

The utility model has the advantages that: the utility model discloses a location frock of processing cross head hole, including location frock body, location frock body includes frock, locating pin, product, machine tool platform, bolt, machining hole one, machining hole two.

1. This location frock of processing cross head hole is at straightness that hangs down, axiality and symmetry requirement when 0.02 ~ 0.05, and this frock has not only satisfied the requirement of technique, but also can be used to the repeated clamping location when guaranteeing the required precision moreover. As long as tang size can mutually support with this frock size in the cross head, all can use this frock to accomplish subsequent processing.

2. The positioning tool for machining the inner hole of the crosshead can ensure the symmetry, the coaxiality and the verticality of the inner spigot of a product and the inner end surface of the spigot and two holes of a first machining hole and a second machining hole, and can save more correction time for subsequent machining procedures.

Drawings

FIG. 1 is a drawing showing the assembly of the components of a positioning tool for machining the inner hole of the crosshead according to the present invention;

FIG. 2 is a front view of a tooling part of a positioning tooling for machining an inner hole of a crosshead according to the present invention;

FIG. 3 is a side view of a tooling part of a positioning tooling for machining an inner hole of a crosshead according to the present invention;

in the figure: 1. assembling; 2. positioning pins; 3. a product; 4. a machine tool platform; 5. a bolt; 6. processing a first hole; 7. and machining a second hole.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a location frock of processing cross head hole, includes location frock body, location frock body includes frock 1, locating pin 2 and bolt 5, the surface mounting of frock 1 has bolt 5 and locating pin 2, frock 1 is installed at the top of machine tool platform 4, the top of frock 1 is provided with product 3, processing hole one 6 has been seted up to one side of product 3, processing hole two 7 has been seted up to the opposite face of processing hole one 6.

As an preferred embodiment of the present invention, a screw hole on the center line of the crosshead of the product 3 is processed into a reference hole, the bottom boss of the tool 1 is installed in the trapezoidal groove of the machine tool platform 4, and the tool 1 is fixed and limited by the trapezoidal groove.

As an optimal implementation mode of the utility model, frock 1 can cooperate with the cross head internal spigot size, and also has processed a benchmark hole on the frock 1, the hole and the pitch-row on 1 surperficial of frock and the cross head on hole and the pitch-row guarantee unanimously, the pinhole that has processed on the product 3 aligns with the locating pin 2 on 1 surperficial of frock, can put into the top of frock 1 with product 3 after aligning.

As a preferred embodiment of the utility model, equally divide the boss that the processing becomes wide 22mm, dark 10mm according to 1 excircle of frock 1 reverse side of frock, the groove width on the lathe platform 4 mutually supports the equipment as an organic whole structure with the size of 1 excircle boss of frock.

As an optimized implementation manner of the utility model, the two sides depth of parallelism after 1 positive and negative processing of frock is guaranteed at 0.01 within range to ensure that the precision of 3 each sizes of product after the processing accords with the standard.

The working principle is as follows: this location frock 1 of processing cross head hole comprises frock 1, locating pin 2 and bolt 5, install 1 bottom boss of frock in the dovetail groove of lathe platform 4 earlier during the use, use bolt 5 will lock frock 1, then rectify locating pin 2 central point and put, align pinhole after having processed on the product 3 with locating pin 2 after 1 surface correction of frock, put into the top of frock 1 with product 3 again, the tang terminal surface openly pastes the tie-down and compresses tightly the back with frock 1 in the product 3 this moment, can set up two hole sites in processing hole one 6 and processing hole two 7. The processing can ensure the symmetry, the coaxiality and the verticality of the inner spigot of the product 3 and the inner end surface of the spigot, the first processing hole 6 and the second processing hole 7, save more correction time for subsequent processing procedures, ensure the precision requirement and can also be used for repeated clamping and positioning, and the subsequent processing can be completed by the tool 1 as long as the size of the spigot in the crosshead can be matched with the size of the tool 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a location frock of processing cross head hole, includes location frock body, its characterized in that: the positioning tool comprises a positioning tool body and is characterized in that the positioning tool body comprises a tool (1), a positioning pin (2) and a bolt (5), the surface of the tool (1) is provided with the bolt (5) and the positioning pin (2), the tool (1) is installed at the top of a machine tool platform (4), a product (3) is arranged at the top end of the tool (1), a first machining hole (6) is formed in one side of the product (3), and a second machining hole (7) is formed in the opposite surface of the first machining hole (6).

2. The positioning tool for machining the inner hole of the crosshead according to claim 1, wherein the positioning tool comprises: and a screw hole on the center line of the crosshead of the product (3) is processed into a datum hole, and a boss at the bottom of the tool (1) is arranged in a trapezoidal groove of a machine tool platform (4).

3. The positioning tool for machining the inner hole of the crosshead according to claim 1, wherein the positioning tool comprises: frock (1) can cooperate with tang size in the cross head, and also processed a benchmark hole on frock (1), the hole and the pitch-row on frock (1) surface are guaranteed unanimously with hole and pitch-row on the cross head, the pinhole that has processed on product (3) is aimed at with locating pin (2) on frock (1) surface.

4. The positioning tool for machining the inner hole of the crosshead according to claim 1, wherein the positioning tool comprises: the front face of the tool (1) is flush with the inner end face of the seam allowance and is compressed tightly.

5. The positioning tool for machining the inner hole of the crosshead according to claim 1, wherein the positioning tool comprises: the reverse side of the tool (1) is equally divided into bosses with the width of 22mm and the depth of 10mm according to the excircle of the tool (1), and the bosses are matched with the groove width on the machine tool platform (4).

6. The positioning tool for machining the inner hole of the crosshead according to claim 1, wherein the positioning tool comprises: the parallelism of the two surfaces of the tool (1) after positive and negative processing is guaranteed within the range of 0.01.