CN218775676U

CN218775676U - Processing tool for round bar tensile test bar

Info

Publication number: CN218775676U
Application number: CN202222995399.4U
Authority: CN
Inventors: 霍焱; 刘海涛; 王海军
Original assignee: Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-31
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a pole tensile test stick machining tool belongs to steel processing technology field, including lathe and lathe tool body frock, the lathe includes headstock, chuck, tailstock, lathe bed, carriage apron case, sets up little planker and the knife rest on the carriage apron case, and little planker upper surface is provided with the fixed axle, and the knife rest center is provided with the column casing with fixed axle matched with, and the fixed axle bottom is provided with the bearing, and the top of fixed axle is provided with the sliding sleeve, and knife rest and little planker rotate to be connected, lathe tool body frock includes that one end is regular triangle's cutter arbor and fixes the regular triangle tool bit on the cutter arbor, and lathe tool body frock is fixed on the knife rest. This application makes the tensile test bar of processing steel become simple and convenient, swift, can rapid prototyping.

Description

Processing tool for round bar tensile test bar

Technical Field

The utility model belongs to the technical field of steel processing, concretely relates to pole tensile test bar machining tool.

Background

The tensile test is a test for measuring a series of properties of a material under a tensile load, and is also called a tensile test. It is one of the basic methods for testing the mechanical properties of materials, and is mainly used for checking whether the materials meet the specified standards and researching the properties of the materials. In order to check the yield strength and other relevant index parameters of steel products, tensile test bars of various types of steel need to be frequently processed in a steel mill, and a schematic diagram of a round bar tensile test bar is shown in figure 1. The test bar is similar to a dumbbell shape, the two ends are clamping ends, the diameter is large, the middle part is a stretching section, the diameter is small, the arc transition of the clamping ends and the stretching section is realized, the tensile test bar of the variety steel is generally processed on a lathe, a round bar which is in accordance with the diameter of the clamping ends is firstly and integrally turned out by one original steel, then the middle stretching section is turned, finally, a groove for arc transition is turned out by depending on the experience of a worker, and finally, the steel is cut off according to the drawing size requirement so as to meet the processing size required by the drawing. The processing mode is time-consuming and labor-consuming, the precision is not high, especially, in the process, a plurality of turning tools need to be replaced, such as a cutting tool bit, a 90-degree turning tool with an obliquely installed triangular tool bit, and the angle of the turning tool needs to be adjusted ceaselessly in the turning process, so that the groove in arc transition can be turned well, and the efficiency is low.

Therefore, a special turning tool for processing the tensile test bar is urgently needed, the tensile test bar can be conveniently processed, and the turning tool is convenient and quick.

Disclosure of Invention

The utility model discloses the technical problem that needs to solve provides a tensile test bar machining tool of pole for the processing method of the tensile test bar of steel is simple and convenient, swift, can rapid prototyping.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a pole tensile test stick machining tool, includes lathe and lathe tool body frock, and the lathe includes headstock, chuck, tailstock, lathe bed, carriage box, sets up little planker and the knife rest on the carriage box, and little planker upper surface is provided with the fixed axle, and the knife rest center is provided with the column casing with fixed axle matched with, and the fixed axle bottom is provided with the bearing, and the top of fixed axle is provided with the sliding sleeve, and knife rest and little planker rotate to be connected, lathe tool body frock includes that one end is regular triangle's cutter arbor and fixes the regular triangle tool bit on the cutter arbor, and lathe tool body frock is fixed on the knife rest.

The utility model discloses technical scheme's further improvement lies in: the tool bit passes through the bolt fastening at the cutter arbor foremost, and the cutter bit rear is fixed with the briquetting, and the briquetting is provided with certain inclination in the side of the other end, and the position of cutter arbor and briquetting inclined plane contact sets up corresponding inclination, and the back is installed on the cutter arbor to tool bit and briquetting, and the upper surface of lathe tool body frock levels and does not have obvious gap.

The utility model discloses technical scheme's further improvement lies in: a gland is arranged above the tool rest, the tool body fixture is fixed between the tool rest and the gland, and a handle is arranged above the gland.

The utility model discloses technical scheme's further improvement lies in: the tool bit is a hard alloy tool bit, and the pressing block is fixed on the tool bar through a bolt.

The utility model discloses technical scheme's further improvement lies in: the gland is fixed on the tool rest through bolts.

Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:

this application makes the tensile test bar of processing steel become simple and convenient, swift, can rapid prototyping. For enterprises without numerical control machine tools, the tensile test bar can be rapidly processed by using a common lathe.

This application only uses a lathe tool can need not change the tool bit again in order to accomplish the processing of tensile test bar to the knife rest of this application is rotatable mode, need not stop the angle of adjustment lathe tool when processing circular arc recess, can adjust the angle of knife rest and then the angle of adjustment lathe tool as required at any time. The molding equipment has strong universality and wide application range.

Drawings

FIG. 1 is a schematic drawing of a tensile bar;

FIG. 2 is a schematic view of the present application illustrating the lathe tool being fixed to a lathe;

FIG. 3 is a schematic view of the present application after installation of the carriage, tool post and cover plate;

FIG. 4 is a top view of the turning tool body assembly;

FIG. 5 is a side view of the tool body assembly;

the tool comprises a small carriage 1, a small carriage 2, a tool rest 3, a cover plate 4, a bearing 5, a sliding sleeve 6, a tool body turning tool 6-1, a tool bit 6-2, a tool bar 6-3, a pressing block 7, a slide carriage box 8, a chuck 9, a handle 10, a tensile test bar 11, a tool head box 12, a lathe center 13, a fixed shaft and a column casing 14.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

as shown in fig. 2-3, a round bar tensile test bar processing tool comprises a lathe and a lathe tool body tool 6, wherein the lathe comprises a lathe headstock 11, a chuck 8, a tailstock, a lathe bed, a slide carriage box 7, a small carriage 1 and a tool rest 2 which are arranged on the slide carriage box, a fixed shaft 13 is arranged on the upper surface of the small carriage 1, a column casing 14 matched with the fixed shaft 13 is arranged in the center of the tool rest, a bearing 4 is arranged at the bottom of the fixed shaft, a sliding sleeve 5 is arranged at the top of the fixed shaft 13, the tool rest 2 is rotatably connected with the small carriage 1, the lathe tool body tool comprises a tool bar with one end being in a regular triangle shape and a regular triangle tool bit 6-1 fixed on the tool bar, and the lathe tool body tool 6 is fixed on the tool rest 2.

As shown in the figure 4-5, the cutter head 6-1 is fixed at the foremost end of the cutter bar 6-2 through a bolt, the pressing block 6-3 is fixed behind the cutter head 6-1, the side face of the other end of the pressing block 6-3 is provided with a certain inclination, the position where the cutter bar 6-2 is in contact with the inclined face of the pressing block 6-3 is provided with a corresponding inclination, and after the cutter head 6-1 and the pressing block 6-3 are installed on the cutter bar, the upper surface of the cutter body tool 6 is flat and has no obvious gap. The cutter head 6-1 is a hard alloy cutter head, and the pressing block 6-3 is fixed on the cutter bar 6-2 through a bolt.

A gland 3 is arranged above the tool rest 2, the tool body fixture is fixed between the tool rest 2 and the gland, and a handle 9 is arranged above the gland. The gland 3 is fixed on the tool rest 2 through bolts. When in use, the operating handle 9 can adjust the angle of the knife rest, thereby adjusting the angle of the knife head.

During the use, fix steel on the lathe, it is fixed with it through chuck 8 and lathe top 12, install knife rest 2 on little planker 1, lathe tool body frock 6 of installing the tool bit is fixed on knife rest 2, open the lathe, can make the lathe tool remove about (Y axle direction removes) through removing carriage apron case 7, little planker 1 can follow the X axle removal on carriage apron case 7, knife rest 2 can angle of adjustment for little planker 1, consequently need not change the tool bit, the processing of whole tensile test bar can be accomplished to tool bit and lathe tool body frock 6 of using this application, including cutting the operation.

The utility model provides a tool bit of lathe tool body frock is the positive sword of 60 degrees, and the cutting is smooth, the resistance is little when the circular arc recess of processing tensile test bar, and lathe tool body is the positive 60 degrees lathe tool bodies, is provided with the inclination briquetting behind the tool bit 6-1, adopts "push-push type" installation alloy tool bit 6-1 to push to one side on the lathe tool body promptly, has the location accuracy, and the characteristics of fixed alloy tool bit fastening satisfy lathe tool body intensity, rigidity requirement. Because the minor deflection angle of the alloy cutter head is 30 degrees, the related defects existing in the prior processing are overcome. Simultaneously, the tool rest 2 of the utility model is rotatable, when the arc groove of the tensile test bar is processed, the tool rest has the advantages that the cutting smooth resistance is small, and the angle can be adjusted at any time, the same lathe tool is used, the processing of the tensile test bar can be realized, the lathe tool does not need to be replaced, thereby the product quality of the machined part is improved, and the labor intensity of operators is reduced.

Claims

1. The utility model provides a pole tensile test bar machining tool, includes lathe and lathe tool body frock (6), and the lathe includes headstock (11), chuck (8), tailstock, lathe bed, carriage apron case (7), sets up little planker (1) and knife rest (2) on the carriage apron case, its characterized in that: the upper surface of the small carriage (1) is provided with a fixed shaft (13), the center of the tool rest is provided with a column barrel (14) matched with the fixed shaft (13), the bottom of the fixed shaft is provided with a bearing (4), the top of the fixed shaft (13) is provided with a sliding sleeve (5), the tool rest (2) is rotatably connected with the small carriage (1), the turning tool body tool comprises a tool bar with one end being in a regular triangle shape and a regular triangle tool bit (6-1) fixed on the tool bar, and the turning tool body tool (6) is fixed on the tool rest (2).

2. The tool of claim 1, wherein: the tool bit (6-1) is fixed at the foremost end of the tool bar (6-2) through a bolt, a pressing block (6-3) is fixed behind the tool bit (6-1), a certain inclination is arranged on the side face of the other end of the pressing block (6-3), a corresponding inclination is arranged at the contact position of the tool bar (6-2) and the pressing block (6-3), and after the tool bit (6-1) and the pressing block (6-3) are installed on the tool bar, the upper surface of the tool body tool (6) is flat and has no obvious gap.

3. The tool of claim 1, wherein: a gland (3) is arranged above the tool rest (2), the turning tool body tool is fixed between the tool rest (2) and the gland, and a handle (9) is arranged above the gland.

4. The tool for processing a round bar tensile test bar according to claim 2, wherein: the cutter head (6-1) is a hard alloy cutter head, and the pressing block (6-3) is fixed on the cutter bar (6-2) through a bolt.

5. The tool of claim 3, wherein: the gland (3) is fixed on the tool rest (2) through a bolt.