CN211073034U

CN211073034U - Combined grinding head lathe for machining hole wall of mold

Info

Publication number: CN211073034U
Application number: CN201921065991.6U
Authority: CN
Inventors: 罗石红
Original assignee: Tianjin Dongsheng Weiye Precision Mould Co ltd
Current assignee: Tianjin Dongsheng Weiye Precision Mould Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-07-24
Anticipated expiration: 2029-07-09

Abstract

The utility model provides a combined grinding head lathe for machining the wall of a mold hole, which comprises a spindle box, wherein a stepping motor is arranged in the spindle box, a three-jaw chuck is fixedly connected on a rotating shaft of the stepping motor, one side of the three-jaw chuck, which is far away from the spindle box, is provided with a lathe bed, the lathe bed is fixedly connected with the spindle box, the lower end of the lathe bed is fixedly connected with a scrap collecting box, one side of the lathe bed, which is far away from the spindle box, is provided with a tailstock, the tailstock is arranged on the lathe bed, one side of the tailstock is in threaded connection with a rear center, a slide carriage box is arranged between the tailstock and the three-jaw chuck, a small motor is fixed on the slide carriage through a tool rest, secondary machining can be carried out on the wall of the hole of the mold hole, the inner wall of the flow distribution hole, which is, the finished product percent of pass of the extruded aluminum alloy section is improved.

Description

Combined grinding head lathe for machining hole wall of mold

Technical Field

The utility model relates to a mould processing technology field specifically provides a mould pore wall processing is with combination bistrique lathe.

Background

Hot extrusion is extrusion of a metal material by heating the material to a hot forging temperature, i.e., extrusion of the material by heating the material to a temperature above the recrystallization temperature of the metal before extrusion, and hot extrusion can not only form nonferrous metals and alloys thereof, low and medium carbon steels, etc., having good plasticity and relatively low strength, but also form high carbon and high alloy steels having relatively high strength, such as special structural steels, stainless steels, high speed tool steels, heat resistant steels, etc. Since the billet must be heated to the hot forging temperature for extrusion, the heating defects such as severe oxidation and decarburization are often accompanied, and the dimensional accuracy and the surface roughness of the extruded part are affected. Generally, after a machine part is hot-extruded, machining such as cutting is performed to improve the dimensional accuracy and surface quality of the part.

For improving the product precision that the mould was made after present mould shaping, need process the mould, the inside reposition of redundant personnel hole of digging of part extrusion die, the reposition of redundant personnel hole inner wall of digging with the help of drilling equipment is comparatively crude, and the tolerance is great, consequently leads to the product quality reduction after the mould extrusion.

Therefore, there is a need in the art for a combination grinding head lathe for hole wall machining of a mold to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould pore wall processing is with combination bistrique lathe overcomes or alleviates at least one above-mentioned problem among the prior art at least.

In order to solve at least one of the technical problems, the utility model provides a combined grinding head lathe for processing the wall of a hole of a die, which comprises a main spindle box, wherein a stepping motor is arranged in the main spindle box, a three-jaw chuck is fixedly connected on a rotating shaft of the stepping motor, a lathe body is arranged on one side of the three-jaw chuck, which is far away from the main spindle box, the lathe body is fixedly connected with the main spindle box, the lower end of the lathe body is fixedly connected with a scrap collecting box, a tailstock is arranged on one side of the lathe body, which is far away from the main spindle box, the tailstock is arranged on the lathe body, one side of the tailstock is in threaded connection with a rear center, a slide carriage box is arranged between the tailstock and the three-jaw chuck, the slide carriage is arranged on the lathe body, a knife rest is fixedly connected with the slide carriage, a handle is in threaded connection with the knife rest, a, and four positioning threaded holes are respectively in threaded connection with positioning screws, a small motor is arranged in the grinding head clamp ring, and the positioning screws are located at one end inside the grinding head clamp ring and abut against the outer end of the small motor.

In the preferable technical scheme of the structure, the rotating end of the small motor is fixedly connected with a diamond grinding head, and the diamond grinding head is positioned at one end of the small motor close to the three-jaw chuck.

In the preferred technical scheme of the structure, the four positioning threaded holes are coaxially arranged on the grinding head clamp ring, and the four positioning threaded holes are equidistantly distributed on the grinding head clamp ring.

In the preferred technical scheme of above-mentioned structure, threaded connection's handle is used for fixing the joint board clamp on the knife rest, the restriction the joint board is to the slip that produces in the mould course of working.

The technical scheme of the utility model is that the utility model discloses an among the preferred technical scheme, fix the small-size motor on the carriage apron case through the knife rest, can carry out secondary operation to mould hole pore wall, the inner wall of the diffluence pass of digging through drilling equipment among the prior art is very coarse, can polish mould hole pore wall, improves the machining precision, reduces the axiality tolerance of product, improves the finished product qualification rate of extrusion's aluminum alloy ex-trusions.

Drawings

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

fig. 2 is a schematic structural view of the small-sized motor of the present invention.

Reference numerals:

the grinding head comprises a main spindle box 1, a three-jaw chuck 2, a scrap collecting box 3, a slide carriage box 4, a lathe bed 5, a tailstock 6, a rear center 7, a tool rest 8, a handle 9, a clamping plate 10, a grinding head clamp ring 11, a positioning screw rod 12, a small motor 13 and a diamond grinding head 14.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the parts related to the present invention are shown in the drawings.

The directional terms used in the following description are used as directional terms in the drawings and are not intended to limit the specific structure of embodiments of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Fig. 1 is a schematic view of the overall structure of the present invention. As shown in fig. 1, a combined grinding head lathe for processing a mold hole wall comprises a main spindle box 1, a stepping motor is arranged in the main spindle box 1, a three-jaw chuck 2 is fixedly connected to a rotating shaft of the stepping motor, a lathe body 5 is arranged on one side, away from the main spindle box 1, of the three-jaw chuck 2, the lathe body 5 is fixedly connected with the main spindle box 1, a scrap collecting box 3 is fixedly connected to the lower end of the lathe body 5, a tailstock 6 is arranged on one side, away from the main spindle box 1, of the lathe body 5, the tailstock 6 is installed on the lathe body 5, a rear center 7 is connected to one side of the tailstock 6 through threads, a carriage box 4 is arranged between the tailstock 6 and the three-jaw chuck 2, the carriage box 4 is installed on the lathe body 5, a tool rest 8 is fixedly connected to the carriage box 4, a handle 9 is connected to the tool rest 8 through threads, a clamping plate 10 is arranged on one side of the tool rest 8, a grinding, a small motor 13 is arranged in the grinding head clamp ring 11, and one end of the positioning screw 12, which is positioned inside the grinding head clamp ring 11, is abutted against the outer end of the small motor 13. The utility model discloses an in the embodiment, threaded connection's positioning screw 12 fixes small-size motor 13 in bistrique clamp ring 11 on bistrique clamp ring 11, prevents in the course of working, and small-size motor 13 takes place relative slip in bistrique clamp ring 11 to lead to small-size motor 13 to drop from bistrique clamp ring 11, and fix bistrique clamp ring 11 and small-size motor 13 on carriage apron case 4 through knife rest 8, make small-size motor 13 can remove along with carriage apron case 4's removal.

The rotating end of the small motor 13 is fixedly connected with a diamond grinding head 14, the diamond grinding head 14 is located at one end, close to the three-jaw chuck 2, of the small motor 13, the diamond grinding head 14 is used for grinding the inner hole wall of the mold more precisely, machining precision is improved, meanwhile, the diamond grinding head is not easy to damage and can be used repeatedly.

The four positioning threaded holes are coaxially arranged on the grinding head clamp ring 11, and the four positioning threaded holes are equidistantly distributed on the grinding head clamp ring 11. Through the annular setting of bistrique clamp ring 11 on small motor 13, can carry out stable clamp to small motor 13's outer end and fix, reduce slight the rocking in the course of working to reduce the influence to the hole pore wall of mold processing.

The handle 9 connected with the cutter frame 8 through threads is used for clamping and fixing the clamping plate 10 on the cutter frame 8 and limiting the sliding of the clamping plate 10 in the process of machining the die.

Referring to fig. 2, after the small-sized motor 13 is mounted and fixed by a technician, the drilled mold workpiece is fixed on the three-jaw chuck 2, the stepping motor is started to rotate the mold workpiece on the three-jaw chuck 2, the small-sized motor 13 is started to rotate the diamond grinding head 14 on the small-sized motor 13, and under the operation of the technician, the carriage 4 is moved to a side close to the three-jaw chuck 2, so that the diamond grinding head 14 extends into a diversion hole drilled by the mold workpiece, the inner wall of the diversion hole is ground, the coaxiality tolerance of the hole wall of the mold workpiece is reduced, and the tolerance can be controlled within one zero millimeter.

Claims

1. A combined grinding head lathe for machining the wall of a hole of a die comprises a main spindle box and is characterized in that a stepping motor is arranged in the main spindle box, a three-jaw chuck is fixedly connected to a rotating shaft of the stepping motor, a lathe body is arranged on one side, away from the main spindle box, of the three-jaw chuck and fixedly connected with the main spindle box, a scrap collecting box is fixedly connected to the lower end of the lathe body, a tailstock is arranged on one side, away from the main spindle box, of the lathe body and mounted on the lathe body, a rear center is connected to one side of the tailstock, a slide carriage box is arranged between the grinding head and the three-jaw chuck and mounted on the lathe body, a knife rest is fixedly connected to the slide carriage, a clamping plate is connected to the knife rest in a threaded mode, a clamping plate is arranged on one side of the knife rest, a clamp ring is arranged on one side, and four positioning threaded holes are respectively in threaded connection with positioning screws, a small motor is arranged in the grinding head clamp ring, and the positioning screws are located at one end inside the grinding head clamp ring and abut against the outer end of the small motor.

2. The combined grinding head lathe for machining the wall of the hole of the die is characterized in that a diamond grinding head is fixedly connected to the rotating end of the small motor, and the diamond grinding head is located at one end, close to the three-jaw chuck, of the small motor.

3. The combined grinding head lathe for machining the wall of the mold hole of claim 1, wherein four of the positioning threaded holes are coaxially arranged on the grinding head clamp ring, and the four positioning threaded holes are equidistantly distributed on the grinding head clamp ring.

4. The combined grinding head lathe for machining the wall of the hole of the mold according to claim 1, wherein the clamping plate in threaded connection with the tool rest is used for clamping and fixing the clamping plate on the tool rest and limiting sliding of the clamping plate on the mold during machining.