CN214024659U - Milling clamping fixture for electric locomotive identification lamp post - Google Patents

Milling clamping fixture for electric locomotive identification lamp post Download PDF

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Publication number
CN214024659U
CN214024659U CN202023208846.4U CN202023208846U CN214024659U CN 214024659 U CN214024659 U CN 214024659U CN 202023208846 U CN202023208846 U CN 202023208846U CN 214024659 U CN214024659 U CN 214024659U
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China
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boss
electric locomotive
machined
lamp post
child
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CN202023208846.4U
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Chinese (zh)
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王国明
于春生
张如意
赵星博
张通
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王国明
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Abstract

The utility model relates to an electric locomotive technical field especially relates to an electric locomotive sign lamp pole mills processing mould, include that the child specifically reaches to set up at the mounting groove of the concrete downside of child, mould body upside is equipped with the boss, the chip removal hole has been seted up to the boss upside, be equipped with the clamp plate on the boss, it has the double-screw bolt to run through on the clamp plate, be equipped with the nut on the double-screw bolt, it is equipped with fixing bolt to inlay on the boss, be equipped with the machined part on the boss, the platform that sinks with the machined part adaptation is seted up to mould body upper surface, it is equipped with annular locating piece to sink between platform and the machined part, it is equipped with the locating pin to sink to inlay on the platform. The utility model has reliable positioning, fast clamping, no need of re-tool setting during replacing parts, reduced processing time and auxiliary time, and improved processing efficiency by nearly one time; the quality of the produced product is greatly improved, and the polishing process is omitted.

Description

Milling clamping fixture for electric locomotive identification lamp post
Technical Field
The utility model relates to an electric locomotive technical field especially relates to an electric locomotive sign lamp pole mills processing mould.
Background
The railway is a major artery of national economy and is still in the leading position in five transportation modes in China so far. The rolling stock as the railway carrying equipment becomes the most important transportation vehicle for the largest load of passengers and freight. Along with the comprehensive implementation and further development of railway passenger transport speed increasing and freight heavy load in the busy trunk lines of China, more and higher requirements are put forward for the locomotive vehicle industry.
The HXD3 electric locomotive is an electric locomotive with the advanced level in the world, is one of main locomotives for realizing heavy load and quick transportation of freight of a Chinese railway trunk line, and has important milestone significance in the manufacturing history of the Chinese railway locomotive. The new locomotive adopts multiple internationally mature and reliable new technologies such as alternating current transmission, microcomputer control, wheel disc braking and the like, has the characteristics of large starting (continuous) traction force, wide constant power speed range, good adhesion performance, high power factor and the like, is the freight electric locomotive with the highest technical level, the largest single machine power and the fastest speed per hour in China at present, and can be used for dragging 5000 tons of single machines on a primary railway line and reaching 120 kilometers at the highest speed per hour.
The HXD3 headlamp mount identifies a lamp post, which is Q235-A, a complex shape, with a circular cone with compound angles around the perimeter. The common processing method cannot process the shape of the inner cavity correctly, so after the inner cavity is processed, the inner cavity is arranged on a numerical control milling machine to process the peripheral appearance by using a phi 16 ball-end milling cutter to carry out numerical control interpolation. The prior art does not have a special tool, and only uses a general cushion block and a pressing plate for clamping. Therefore, workpiece clamping and positioning are inconvenient, one workpiece needs to be turned over for secondary clamping and processing, and the cutter needs to be reset every time the workpiece is turned over and replaced with a new workpiece. The processing auxiliary time is long, the production efficiency is low, and the completion of the production plan is influenced. And after the machining, obvious tool marks exist, and a polishing procedure needs to be added. The consistency of the surface finish and the size of the polished product is poor, and the quality is unstable. Causing difficulty in subsequent locomotive assembly. In order to solve the problems, a special milling clamp is designed to improve the processing efficiency and the product quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a milling clamping fixture for an electric locomotive sign lamp post.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
electric locomotive sign lamp pole mills processing mould, include the child specifically and set up at the mounting groove of the concrete downside of child, the mould body upside is equipped with the boss, the chip removal hole has been seted up to the boss upside, be equipped with the clamp plate on the boss, it has the double-screw bolt to run through on the clamp plate, be equipped with the nut on the double-screw bolt, inlay on the boss and be equipped with fixing bolt, be equipped with the machined part on the boss, the platform that sinks with the machined part adaptation is seted up to mould body upper surface, it is equipped with annular locating piece to sink between platform and the machined part, it is equipped with the locating pin to sink to inlay on the platform.
Preferably, the bottom end of the stud is fixedly connected with the mould body, and the nut is connected with the stud through threads.
Preferably, the pressing plate abuts against a machined part through a nut, and the machined part abuts against the sinking platform.
Preferably, an expansion gap is arranged between the workpiece and the upper surface of the clamping fixture body.
Preferably, the pressing plate is provided with a sliding groove matched with the stud, and the pressing plate is in sliding contact with the stud.
Preferably, the upper surface of the mould body is arranged at an included angle of 6.8 degrees and an included angle of 25 degrees with the horizontal plane respectively in the longitudinal direction and the transverse direction.
The utility model has the advantages that:
compared with the prior art, the utility model has the advantages of reliable positioning, fast clamping, no need of re-tool setting during replacing, reduced processing time and auxiliary time, and improved processing efficiency by nearly one time; the quality of the produced product is greatly improved, and the polishing process is omitted.
Drawings
Fig. 1 is a schematic view of a milling fixture for a sign lamp post of an electric locomotive according to the present invention;
fig. 2 is a schematic top view of the milling fixture for the electric locomotive marking lamp post provided by the present invention;
fig. 3 is a schematic diagram of a right-side sectional structure of the milling fixture for the electric locomotive marking lamp post provided by the utility model;
fig. 4 is a schematic structural diagram at a in fig. 3.
In the figure: the device comprises a boss 1, a mounting groove 2, a die body 3, a sliding groove 4, a nut 5, a stud 51, a pressing plate 6, a fixing bolt 7, a chip cleaning hole 8, a positioning pin 9, a workpiece 10, an expansion gap 11, a ring-shaped positioning block 12 and a sinking table 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the electric locomotive sign lamp pole milling mold comprises a mold body 3 and a mounting groove 2 arranged on the lower side of the mold body 3, wherein a boss 1 is arranged on the upper side of the mold body 3, a scrap cleaning hole 8 is formed in the upper side of the boss 1, a pressing plate 6 is arranged on the boss 1, a stud 51 penetrates through the pressing plate 6, a nut 5 is arranged on the stud 51, a fixing bolt 7 is embedded on the boss 1, a workpiece 10 is arranged on the boss 1, a sinking platform 13 matched with the workpiece 10 is arranged on the upper surface of the mold body 3, an annular positioning block 12 is arranged between the sinking platform 13 and the workpiece 10, and a positioning pin 9 is embedded on the sinking platform 13.
In this embodiment, the bottom end of the stud 51 is fixedly connected with the clamping fixture body 3, and the nut 5 is in threaded connection with the stud 51, so that the pressing plate 6 is convenient to be unfixed, the workpiece 10 is clamped, and the influence of loosening on the processing precision is avoided.
Specifically, the pressing plate 6 abuts against the workpiece 10 through the nut 5, and the workpiece 10 abuts against the sinking platform 13, so that the fixing and clamping reliability is improved.
Specifically, an expansion gap 11 is formed between the workpiece 10 and the upper surface of the clamping fixture 3, so that additional moment is prevented from being caused, and the shape of the workpiece 10 is prevented from being damaged.
Specifically, the pressing plate 6 is provided with a sliding groove 4 matched with the stud 51, and the pressing plate 6 is in sliding contact with the stud 51, so that the pressing plate 6 can be conveniently adjusted.
Specifically, the upper surface of the clamping fixture body 3 is longitudinally and transversely arranged to form included angles of 6.8 degrees and 25 degrees with the horizontal plane respectively, and is matched with the boss 1 to form six-point positioning, so that a cutter can conveniently process.
In the present embodiment, the jig body 3 provides a correct and reliable spatial positioning for the workpiece 10, so the upper surface of the jig body 3 is designed to have a plane with inclination angles of 25 ° and 6.8 °. Meanwhile, the bottom of the tire body 3 is provided with a mounting groove 2, so that the tire body can be conveniently mounted on a workbench of a machine tool, and the tire body can be conveniently fixed on the workbench by a clamping piece. A boss 1 is designed on the upper surface of the clamping fixture body 3. The height of the boss 1 is smaller than the thickness of the workpiece 10, so that the contact of the clamping piece and the upper surface of the workpiece 10 is avoided. Thus, the boss 1 and the upper surface of the tire body 3 realize six-point positioning of the workpiece 10. The two press plates 6 press against the surface of the workpiece 10, completing the clamping of the workpiece 10.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. 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. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Claims (6)

1. Electric locomotive sign lamp pole mills processing mould, include the child body (3) and set up in mounting groove (2) of the child body (3) downside, its characterized in that, the child body (3) upside is equipped with boss (1), clear bits hole (8) have been seted up to boss (1) upside, be equipped with clamp plate (6) on boss (1), it has double-screw bolt (51) to run through on clamp plate (6), be equipped with nut (5) on double-screw bolt (51), it is equipped with fixing bolt (7) to inlay on boss (1), be equipped with machined part (10) on boss (1), heavy platform (13) with machined part (10) adaptation are seted up to the child body (3) upper surface, be equipped with annular locating piece (12) between heavy platform (13) and machined part (10), it is equipped with locating pin (9) to inlay on heavy platform (13).
2. The electric locomotive marking lamp post milling fixture according to claim 1, wherein the bottom end of the stud (51) is fixedly connected with the fixture body (3), and the nut (5) is in threaded connection with the stud (51).
3. The electric locomotive marking lamp post milling fixture according to claim 1, wherein the pressing plate (6) abuts against a machined part (10) through a nut (5), and the machined part (10) abuts against a sinking platform (13).
4. The electric locomotive marking lamp post milling fixture as claimed in claim 1, wherein an expansion gap (11) is provided between the workpiece (10) and the upper surface of the fixture body (3).
5. The electric locomotive marking lamp post milling fixture according to claim 1, wherein the pressing plate (6) is provided with a sliding groove (4) adapted to the stud (51), and the pressing plate (6) is in sliding contact with the stud (51).
6. The electric locomotive marking lamp post milling fixture as claimed in claim 1, wherein the upper surface of the fixture body (3) is arranged at an included angle of 6.8 ° and 25 ° with the horizontal plane in the longitudinal direction and the transverse direction, respectively.
CN202023208846.4U 2020-12-28 2020-12-28 Milling clamping fixture for electric locomotive identification lamp post Active CN214024659U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023208846.4U CN214024659U (en) 2020-12-28 2020-12-28 Milling clamping fixture for electric locomotive identification lamp post

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023208846.4U CN214024659U (en) 2020-12-28 2020-12-28 Milling clamping fixture for electric locomotive identification lamp post

Publications (1)

Publication Number Publication Date
CN214024659U true CN214024659U (en) 2021-08-24

Family

ID=77342645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023208846.4U Active CN214024659U (en) 2020-12-28 2020-12-28 Milling clamping fixture for electric locomotive identification lamp post

Country Status (1)

Country Link
CN (1) CN214024659U (en)

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