CN216706957U

CN216706957U - Pretreatment device for precision machining

Info

Publication number: CN216706957U
Application number: CN202123223925.7U
Authority: CN
Inventors: 曹红卫
Original assignee: Qingdao Jinbei'er Machinery Co ltd
Current assignee: Qingdao Jinbei'er Machinery Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-10
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a pretreatment device for precision machining, which comprises a machining table, wherein a first motor is arranged at the bottom of the machining table, a fixed rod is arranged at the top of the machining table 1, the fixed rod is connected with the first motor, a lifting platform is arranged on the outer wall of the fixed rod, a workpiece to be processed is sleeved on the outer wall of the fixed rod, a second sleeve is arranged on one side of the fixed rod, and a second telescopic rod is movably connected to one side of the second sleeve. This preprocessing device for precision machining lifts the platform through setting up on the dead lever, and first emery wheel of polishing and second emery wheel of polishing are located the lower extreme and the upper end of lifting the platform respectively, overlaps the outside at the dead lever with pending work piece cover simultaneously, is located the upper end of lifting the platform, and first emery wheel of polishing and second emery wheel of polishing are laminated at the outer wall and the inner wall of pending work piece respectively, accomplishes the inner wall and the outer wall of pending work piece and processes after pending work piece rotates, improves machining efficiency.

Description

Pretreatment device for precision machining

Technical Field

The utility model relates to the technical field of precision machining equipment, in particular to a pretreatment device for precision machining.

Background

Precision machining is a process of changing a workpiece and comprises two categories of cold machining and hot machining; precision machining is a process of changing the external dimensions or properties of a workpiece by a machining machine; according to the temperature state of the processed workpiece, cold processing and hot processing are divided; generally processing at normal temperature without causing chemical or phase change of the workpiece, and cold processing; molding generally at above or below ambient temperature conditions that causes changes in the chemical or phase of the workpiece is referred to as thermal molding; the cold working can be divided into cutting working and pressure working according to the difference of the working modes; hot working is often followed by heat treatment molding, casting and welding.

The present work piece need be repaired the great burr on work piece surface before carrying out the correct grinding, and has seted up the through-hole on the work piece usually, need clear up the inside clearance of through-hole again after clearing up the surface during the burring, can not process simultaneously, and efficiency is lower, consequently needs improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pretreatment device for precision machining, which solves the problem that burrs on the surface of a workpiece and burrs in a through hole cannot be simultaneously cleaned.

In order to achieve the above object, the present invention provides a pretreatment device for precision machining, comprising a machining table, a first motor disposed at the bottom of the machining table, a fixed rod is arranged at the top of the processing table and is connected with a first motor, a lifting platform is arranged on the outer wall of the fixed rod, a workpiece to be processed is sleeved on the outer wall of the fixed rod, and one side of the fixed rod is provided with a second sleeve, one side of the second sleeve is movably connected with a second telescopic rod, a second fixed plate is arranged on one side of the second telescopic rod, a third motor is arranged at the upper end of the second fixed plate, and the lower end of the second fixing plate is provided with a second grinding wheel which is connected with a third motor, and the second grinding wheel is arranged on the inner side of the workpiece to be processed, the first grinding wheel is arranged on one side of the fixed rod, and the first grinding wheel is arranged on the outer wall of the workpiece to be processed.

Preferably, the top of the processing table is provided with a support, and the top of the support is provided with a pressing cylinder.

Preferably, the bottom of the support is provided with a pressing block, the top of the pressing block is connected with the lower pressing cylinder, and the pressing block is attached to the top of the workpiece to be processed.

Preferably, a first sleeve is arranged on one side of the fixing rod, a first telescopic rod is movably connected to one side of the first sleeve, the structures of the first sleeve and the first telescopic rod are respectively the same as those of the second sleeve and the second telescopic rod, a first fixing plate is arranged on one side of the first telescopic rod, a second motor is arranged at the bottom of the first fixing plate, a first grinding wheel is arranged at the top of the first fixing plate, and the first grinding wheel is connected with the second motor.

Preferably, the front end and the rear end of the second telescopic rod are both provided with second openings, and the second telescopic rod and the second sleeve form a telescopic structure.

Preferably, a first opening is formed in the rear end of the second sleeve, and bolts are inserted into the second sleeve and the second telescopic rod.

Compared with the prior art, the utility model has the beneficial effects that: this preprocessing device for precision machining lifts the platform through setting up on the dead lever, and first emery wheel of polishing and second emery wheel of polishing are located the lower extreme and the upper end of lifting the platform respectively, overlaps the outside at the dead lever with pending work piece cover simultaneously, is located the upper end of lifting the platform, and first emery wheel of polishing and second emery wheel of polishing are laminated at the outer wall and the inner wall of pending work piece respectively, accomplishes the inner wall and the outer wall of pending work piece and processes after pending work piece rotates, improves machining efficiency.

Drawings

FIG. 1 is a schematic structural view of a pre-treatment apparatus for precision machining according to the present invention;

FIG. 2 is an enlarged schematic view of a pretreatment apparatus for precision machining of the present invention at A in FIG. 1;

FIG. 3 is a front view of a lifting platform of a pre-processing apparatus for precision machining according to the present invention.

In the figure: 1. processing platform, 2, first motor, 3, lift platform, 4, support, 5, first emery wheel of polishing, 6, first fixed plate, 7, first telescopic link, 8, second motor, 9, first sleeve, 10, push down the cylinder, 11, briquetting, 12, dead lever, 13, third motor, 14, second telescopic link, 15, second fixed plate, 16, pending work piece, 17, second sleeve, 18, first opening, 19, bolt, 20, second opening, 21, second emery wheel of polishing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pretreatment device for precision machining comprises a machining table 1, wherein a first motor 2 is arranged at the bottom of the machining table 1, the machining table 1 is fixedly connected with the outer wall of the first motor 2 through screws, a fixing rod 12 is arranged at the top of the machining table 1, the machining table 1 is rotatably connected with the fixing rod 12, a support 4 is arranged at the top of the machining table 1, the machining table 1 and the support 4 are fixedly welded, a pressing cylinder 10 is arranged at the top of the support 4, and the support 4 and the outer wall of the pressing cylinder 10 are fixed through a bolt piece; the bottom of the support 4 is provided with a pressing block 11, the support 4 is not in contact with the pressing block 11, the top of the pressing block 11 is connected with a lower pressing cylinder 10, the pressing block 11 and the lower end of the lower pressing cylinder 10 form rotating connection through a rotating shaft, the pressing block 11 is attached to the top of a workpiece 16 to be processed, the pressing block 11 can press and limit the workpiece 16 to be processed and can ensure that the workpiece 16 to be processed can smoothly rotate at the same time, and processing is facilitated; a fixed rod 12 is connected with a first motor 2, a shaft at the lower end of the fixed rod 12 is connected with the first motor 2 through a coupler, a lifting platform 3 is arranged on the outer wall of the fixed rod 12, the fixed rod 12 is welded and fixed with the lifting platform 3, a first sleeve 9 is arranged on one side of the fixed rod 12, a first sleeve 9 is arranged on the left side of the fixed rod 12, the first sleeve 9 is not contacted with the fixed rod 12, the first sleeve 9 is positioned at the lower end of the lifting platform 3, the first sleeve 9 is fixed at the top of a processing table 1 through a rod body, a first telescopic rod 7 is movably connected with one side of the first sleeve 9, a first telescopic rod 7 is inserted in the left side of the first sleeve 9, the structures of the first sleeve 9 and the first telescopic rod 7 are respectively the same as those of a second sleeve 17 and a second telescopic rod 14, a first opening 18 and a second opening 20 are respectively arranged on the first sleeve 9 and the first telescopic rod 7, and a first fixed plate 6 is arranged on one side of the first telescopic rod 7, a first fixing plate 6 is fixed on the left side of the first telescopic rod 7 through a bolt piece, second openings 20 are formed in the front end and the rear end of the second telescopic rod 14, bolts 19 can be inserted conveniently to fix the second telescopic rod 14 on any position of the second sleeve 17, and the second telescopic rod 14 and the second sleeve 17 form a telescopic structure; the bottom of the first fixing plate 6 is provided with a second motor 8, the outer walls of the first fixing plate 6 and the second motor 8 are fixed through screws, the top of the first fixing plate 6 is provided with a first grinding wheel 5, the first fixing plate 6 and the first grinding wheel 5 are rotationally connected through a shaft, the first grinding wheel 5 is connected with the second motor 8, and the first grinding wheel 5 and the second motor 8 are connected through a coupler; a workpiece 16 to be processed is sleeved on the outer wall of the fixed rod 12, the workpiece 16 to be processed is located at the upper end of the lifting platform 3, a second sleeve 17 is arranged on one side of the fixed rod 12, a second sleeve 17 is arranged on the right side of the fixed rod 12, the fixed rod 12 is not in contact with the second sleeve 17, the upper end of the second sleeve 17 is fixed with the bottom of the support 4 through a rod body through a screw, a first opening 18 is formed in the rear end of the second sleeve 17, the second sleeve 17 is integrally connected with the first opening 18, and a bolt 19 is inserted in the second sleeve 17 and the second telescopic rod 14; a second telescopic rod 14 is movably connected to one side of a second sleeve 17, a second telescopic rod 14 is inserted into the right side of the second sleeve 17, a second fixing plate 15 is arranged on one side of the second telescopic rod 14, a second fixing plate 15 is fixed to the right side of the second telescopic rod 14 through screws, a third motor 13 is arranged at the upper end of the second fixing plate 15, the outer walls of the second fixing plate 15 and the third motor 13 are fixed through bolts, a second grinding wheel 21 is arranged at the lower end of the second fixing plate 15, the second fixing plate 15 and the second grinding wheel 21 are rotatably connected through a shaft, the second grinding wheel 21 is connected with the third motor 13 through a coupler, the second grinding wheel 21 is arranged on the inner side of the workpiece 16 to be processed, the second grinding wheel 21 is attached to the inner side of the through hole of the workpiece 16 to be processed, so that burrs on the inner side of the through hole of the workpiece 16 to be processed can be repaired, a first grinding wheel 5 is arranged on one side of the fixed rod 12, the first grinding wheel 5 is arranged on the left side of the fixed rod 12, the first grinding wheel 5 is arranged on the outer wall of the workpiece 16 to be processed, and burrs on the outer wall of the workpiece 16 to be processed can be repaired by the first grinding wheel 5; this preprocessing device for precision machining lifts platform 3 through setting up on dead lever 12, first emery wheel 5 and second emery wheel 21 are located the lower extreme and the upper end of lifting platform 3 respectively, overlap the outside at dead lever 12 with pending work piece 16 cover simultaneously, be located the upper end of lifting platform 3, first emery wheel 5 and second emery wheel 21 are laminated respectively at pending work piece 16's outer wall and inner wall, accomplish after pending work piece 16 rotates and process pending work piece 16's inner wall and outer wall, and the machining efficiency is improved.

The working principle is as follows: when the pretreatment device for precision machining is used, firstly, a workpiece 16 to be treated is sleeved on the outer wall of a fixed rod 12 and is positioned at the top of a lifting platform 3, then a second grinding wheel 21 is also inserted into a through hole in the middle of the workpiece 16 to be treated, then a pressing cylinder 10 is started, the pressing cylinder 10 pushes a pressing block 11 downwards to press the top of the workpiece 16 to be treated, then the positions of the second grinding wheel 21 and a first grinding wheel 5 are adjusted, during adjustment, a bolt 19 on a second sleeve 17 and a second telescopic rod 14 is firstly taken down, then the second telescopic rod 14 is pulled, the second telescopic rod 14 drives the second grinding wheel 21 to move in the moving process, when the second grinding wheel 21 is attached to the inner wall of the through hole in the middle of the workpiece 16 to be treated, the second sleeve 17 and the second telescopic rod 14 are fixed by using the bolt 19, after the position of the second grinding wheel 21 is adjusted, the position of the first grinding wheel 5 is adjusted in the same way, after the first grinding wheel 5 is also adjusted, the third motor 13, the second motor 8 and the first motor 2 are started, the third motor 13 and the second motor 8 respectively drive the second grinding wheel 21 and the first grinding wheel 5 to rotate, the first motor 2 drives the fixing rod 12 to drive the lifting platform 3 and the workpiece to be processed 16 on the lifting platform 3 to rotate, and the workpiece to be processed 16 is in contact with the second grinding wheel 21 and the first grinding wheel 5 in the rotating process to perform burr grinding operation on the grinding part, which is the working principle of the pretreatment device for precision machining.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. A pretreatment device for precision machining, comprising a machining table (1), characterized in that: the processing device is characterized in that a first motor (2) is arranged at the bottom of the processing table (1), a fixing rod (12) is arranged at the top of the processing table (1), the fixing rod (12) is connected with the first motor (2), a lifting platform (3) is arranged on the outer wall of the fixing rod (12), a workpiece (16) to be processed is sleeved on the outer wall of the fixing rod (12), a second sleeve (17) is arranged on one side of the fixing rod (12), a second telescopic rod (14) is movably connected to one side of the second sleeve (17), a second fixing plate (15) is arranged on one side of the second telescopic rod (14), a third motor (13) is arranged at the upper end of the second fixing plate (15), a second grinding wheel (21) is arranged at the lower end of the second fixing plate (15), the second grinding wheel (21) is connected with the third motor (13), and the second grinding wheel (21) is arranged on the inner side of the workpiece (16) to be processed, one side of the fixed rod (12) is provided with a first grinding wheel (5), and the first grinding wheel (5) is arranged on the outer wall of the workpiece (16) to be processed.

2. The pretreatment device for precision machining according to claim 1, characterized in that: the top of the processing table (1) is provided with a support (4), and the top of the support (4) is provided with a pressing cylinder (10).

3. The pretreatment device for precision machining according to claim 2, characterized in that: the bottom of the support (4) is provided with a pressing block (11), the top of the pressing block (11) is connected with the lower pressing cylinder (10), and the pressing block (11) is attached to the top of a workpiece (16) to be processed.

4. The pretreatment device for precision machining according to claim 1, wherein: the grinding device is characterized in that a first sleeve (9) is arranged on one side of the fixed rod (12), a first telescopic rod (7) is movably connected to one side of the first sleeve (9), the structures of the first sleeve (9) and the first telescopic rod (7) are respectively identical to those of a second sleeve (17) and a second telescopic rod (14), a first fixed plate (6) is arranged on one side of the first telescopic rod (7), a second motor (8) is arranged at the bottom of the first fixed plate (6), a first grinding wheel (5) is arranged at the top of the first fixed plate (6), and the first grinding wheel (5) is connected with the second motor (8).

5. The pretreatment device for precision machining according to claim 1, characterized in that: second openings (20) are formed in the front end and the rear end of the second telescopic rod (14), and the second telescopic rod (14) and the second sleeve (17) form a telescopic structure.

6. The pretreatment device for precision machining according to claim 1, characterized in that: a first opening (18) is formed in the rear end of the second sleeve (17), and bolts (19) are inserted into the second sleeve (17) and the second telescopic rod (14).