CN216731232U

CN216731232U - Turnover polishing jig for precision machining

Info

Publication number: CN216731232U
Application number: CN202220424767.7U
Authority: CN
Inventors: 钱忠
Original assignee: Changshu Youchuang Machinery Co ltd
Current assignee: Changshu Youchuang Machinery Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-06-14
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses a reversible polishing jig for precision machining, which comprises a workbench, wherein mounting seats are arranged on two sides of the top of the workbench, outer sleeves are embedded in the mounting seats, inner sleeves are connected in the outer sleeves in a sliding manner, fixing blocks are arranged at the upper end and the lower end of one side, corresponding to the inner sleeves, of the inner sleeves, pull rods are inserted in the fixing blocks in a sliding manner, a handle is fixed at one end, located on the outer side of each fixing block, of each pull rod, a clamping block with an arc-shaped structure is fixed at one end, located on the inner side of each fixing block, of each pull rod, a rotating handle is fixed at one end, located on the outer side of the mounting seat, of each inner sleeve, and a limiting mechanism is arranged on one side, close to the rotating handle, of each inner sleeve. This precision machine tooling is with polishing tool that can overturn to the work piece of cylinder structure that can be convenient, sparingly switches the time of polishing surface, effectual improvement machining efficiency.

Description

Turnover polishing jig for precision machining

Technical Field

The utility model relates to the technical field of precision machining, in particular to a reversible polishing jig for precision machining.

Background

Precision machining is a process of changing the physical dimensions or properties of a workpiece by a machining machine. The temperature state of a workpiece to be processed is classified into cold working and hot working, and working at normal temperature without causing chemical or phase change of the workpiece is generally called cold working, and working at a temperature higher or lower than normal temperature causes chemical or phase change of the workpiece is generally called hot working. The cold working can be divided into cutting working and pressure working according to the difference of the working modes, and the hot working is commonly heat treatment, forging, casting and welding.

At present precision machining is with polishing tool add man-hour and usually can use anchor clamps earlier to fix the work piece on the workstation, then carry out the work of polishing through polishing mechanism again, then usually need carry out circumference formula polishing when the work piece of treating polishing is the cylinder structure, and the work piece to the cylinder structure that current precision machining is with polishing tool can not be convenient overturns, this makes the work piece need take trouble after accomplishing a direction processing again assemble the switching plane of polishing on anchor clamps, very influences machining efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reversible polishing jig for precision machining, which solves the problem that the conventional polishing jig for precision machining cannot conveniently turn over a workpiece with a cylindrical structure, so that the workpiece needs to be assembled again on a clamp to switch a polished surface after finishing machining in one direction, which is troublesome and laborious.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a precision machine tooling is with polishing tool that can overturn, includes the workstation, the both sides at workstation top all are equipped with the mount pad, the outer sleeve is installed to the equal gomphosis in inside of mount pad, the inside sliding connection of outer sleeve has the inner skleeve, the upper and lower both ends of the corresponding one side of inner skleeve all are equipped with the fixed block, the inside slip interlude of fixed block has the pull rod, the one end that the pull rod is located the fixed block outside is fixed with the handle, the one end that the pull rod is located the fixed block inboard is fixed with the grip block to the arc structure, just the one end that the inner skleeve is located the mount pad outside is fixed with rotatory handle, and one side that the inner skleeve is close to rotatory handle is equipped with stop gear.

Preferably, the limiting mechanism comprises an installation block and a fixing bolt, the installation block is fixed at the upper end and the lower end of the outer wall of the inner sleeve, and the fixing bolt is inserted and connected in the installation block through a threaded structure.

Preferably, one side of the outer sleeve, which corresponds to the rotary handle, is provided with a plurality of threaded holes matched with the fixing bolt structures, and the threaded holes in the outer sleeve are distributed in a surrounding manner.

Preferably, a spring is sleeved outside the pull rod, and two ends of the spring are respectively connected with the handle and the fixing block.

Preferably, both sides of the outer wall of the inner sleeve are provided with sliding blocks, and the inner wall of the outer sleeve is provided with an annular sliding groove matched with the sliding block in structure.

Preferably, the opening directions of the clamping blocks correspond to each other, and rubber pads are attached and fixed to the inner walls of the clamping blocks.

Compared with the prior art, the utility model has the beneficial effects that: this precision machine tooling is with polishing tool that can overturn to the work piece of cylinder structure that can be convenient, sparingly switches the time of polishing the face, effectual improvement machining efficiency. The device carries out the centre gripping fixedly through the work piece both ends interlude including the sleeve inside and utilize the grip block, accomplishes one side when the work piece and polishes the processing back, rotatory handle can switch the work piece to the another side polishing face through driving the inner skleeve in the inside rotation of outer sleeve and fixed, and this makes the work piece of cylinder structure can be convenient overturn, avoids the work piece to need assemble again on anchor clamps that switch the polishing face troublesome after accomplishing a direction processing.

Drawings

FIG. 1 is a schematic view of a reversible polishing jig for precision machining according to the present invention;

FIG. 2 is an enlarged schematic view of a portion A of the polishing jig for precision machining according to the present invention;

FIG. 3 is a schematic view of a connection structure of an inner sleeve and an outer sleeve of the reversible polishing jig for precision machining according to the present invention;

FIG. 4 is an enlarged schematic view of a reversible polishing jig for precision machining shown in FIG. 1 at B;

FIG. 5 is a schematic view of a connection structure of an inner sleeve and a clamping block of the reversible polishing jig for precision machining according to the present invention.

In the figure: 1. a work table; 2. a mounting seat; 3. an outer sleeve; 4. an inner sleeve; 5. rotating the handle; 6. a fixed block; 7. a pull rod; 8. a clamping block; 9. a spring; 10. a handle; 11. a slider; 12. an annular chute; 13. mounting blocks; 14. and (5) fixing the bolt.

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. 1-5, the present invention provides a technical solution: a reversible polishing jig for precision machining comprises a workbench 1, wherein mounting seats 2 are arranged on two sides of the top of the workbench 1, an outer sleeve 3 is embedded in the mounting seats 2, an inner sleeve 4 is connected in the outer sleeve 3 in a sliding manner, fixing blocks 6 are arranged at the upper end and the lower end of one side, corresponding to the inner sleeve 4, of the inner sleeve, a pull rod 7 is inserted in the fixing blocks 6 in a sliding manner, a handle 10 is fixed at one end, located on the outer side of the fixing blocks 6, of the pull rod 7, a clamping block 8 with an arc-shaped structure is fixed at one end, located on the inner side of the fixing blocks 6, of the inner sleeve 4, a rotating handle 5 is fixed at one end, located on the outer side of the mounting seat 2, of the inner sleeve 4, a limiting mechanism is arranged on one side, close to the rotating handle 5, of the inner sleeve 4 with the structure, two ends of a workpiece with a cylindrical structure can be inserted in the inner sleeve 4, the inner sleeve is driven by the handle 10 to slide in the fixing blocks 6 so that the clamping block 8 can clamp and fix the workpiece, after the work piece accomplishes one side and polishes the processing back, rotatory handle 5 can drive inner skleeve 4 and switch over the work piece to another side polished surface and fix through stop gear in the inside rotational sliding of outer tube 3, thereby make the device can be convenient overturn the work piece of cylinder structure, save the time of switching polished surface, effectual improvement machining efficiency, stop gear includes installation piece 13 and fixing bolt 14, installation piece 13 is fixed at the upper and lower both ends of inner skleeve 4 outer wall, fixing bolt 14 alternates through the helicitic texture and connects in the inside of installation piece 13, outer tube 3 is equipped with the identical screw hole of a plurality of and fixing bolt 14 structure with the corresponding one side of rotatory handle 5, and the screw hole on outer tube 3 is the distribution of encircleing, this structure is after inner skleeve 4 accomplishes the switching of work piece polished surface in the inside of outer tube 3, fixing bolt 14 can alternate in the inside of installation piece 13 and fix the corresponding spiral shell on outer tube 3 through the helicitic texture In the threaded hole, the position of the inner sleeve 4 is limited and fixed, the stability of a workpiece in the processing process is ensured, a spring 9 is sleeved outside the pull rod 7, two ends of the spring 9 are respectively connected with the handle 10 and the fixed block 6, the pull rod 7 can drive the spring 9 to stretch when sliding inside the fixed block 6, so that the clamping block 8 can clamp and fix the workpiece more stably under the action of the spring 9, the two sides of the outer wall of the inner sleeve 4 are both provided with sliding blocks 11, the inner wall of the outer sleeve 3 is provided with an annular sliding groove 12 which is structurally matched with the sliding blocks 11, the inner sleeve 4 can slide in the annular sliding groove 12 through the sliding blocks 11 to realize the function of rotating inside the outer sleeve 3, the process that the inner sleeve 4 drives the workpiece to rotate and switch the polishing surface is smoother, the opening direction of the clamping block 8 corresponds, and a rubber pad is attached and fixed on the inner wall of the clamping block 8, the rubber pad of this 8 inner walls of structure grip block can play the effect of protection to the outer wall of work piece, causes the damage when avoiding grip block 8 to the work piece centre gripping.

The working principle is as follows: when the reversible polishing jig for precision machining is used, the two end positions of a workpiece with a cylindrical structure are inserted into the inner sleeve 4, then the handle 10 is pulled respectively, the handle 10 drives the pull rod 7 to slide in the fixed block 6 to stretch the spring 9, at the moment, the clamping block 8 clamps and fixes the outer walls of the upper end and the lower end of the two sides of the workpiece under the action of the spring 9, after the workpiece is installed between the installation seats 2, the polishing mechanism is used for polishing on the workbench 1, after one surface of the workpiece is polished, the rotating handle 5 is rotated by 180 degrees, when the rotating handle 5 rotates, the sliding block 11 slides in the annular sliding groove 12 to drive the inner sleeve 4 to rotate in the outer sleeve 3 simultaneously, when the workpiece is switched to the other surface, the fixing bolt 14 is inserted into the installation block 13 through a thread structure and fixed in a corresponding thread hole on the outer sleeve 3, after the position of the inner sleeve 4 is locked, the polishing mechanism polishes the other surface of the workpiece on the workbench 1, so that the time for switching the polished surfaces is effectively saved, the processing efficiency is improved, and a series of work is completed.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a precision machine tooling is with polishing tool that can overturn, includes workstation (1), the both sides at workstation (1) top all are equipped with mount pad (2), its characterized in that: outer sleeve (3) are installed to the equal gomphosis in inside of mount pad (2), the inside sliding connection of outer sleeve (3) has inner skleeve (4), the upper and lower both ends of the corresponding one side of inner skleeve (4) all are equipped with fixed block (6), the inside slip interlude of fixed block (6) has pull rod (7), the one end that pull rod (7) are located fixed with handle (10) in fixed block (6) outside, the one end that pull rod (7) are located fixed block (6) inboard is fixed with grip block (8) to the arc structure, just the one end that inner skleeve (4) are located the mount pad (2) outside is fixed with rotatory handle (5), and one side that inner skleeve (4) are close to rotatory handle (5) is equipped with stop gear.

2. The reversible polishing jig for precision machining according to claim 1, characterized in that: the limiting mechanism comprises an installation block (13) and a fixing bolt (14), the installation block (13) is fixed at the upper end and the lower end of the outer wall of the inner sleeve (4), and the fixing bolt (14) is inserted and connected in the installation block (13) through a threaded structure.

3. The reversible polishing jig for precision machining according to claim 2, characterized in that: one side of the outer sleeve (3) corresponding to the rotary handle (5) is provided with a plurality of threaded holes matched with the fixing bolts (14), and the threaded holes in the outer sleeve (3) are distributed in a surrounding manner.

4. The reversible polishing jig for precision machining according to claim 1, characterized in that: the outside cover of pull rod (7) is equipped with spring (9), just the both ends of spring (9) are connected with handle (10) and fixed block (6) respectively.

5. The reversible polishing jig for precision machining according to claim 1, characterized in that: the two sides of the outer wall of the inner sleeve (4) are both provided with sliding blocks (11), and the inner wall of the outer sleeve (3) is provided with an annular sliding groove (12) which is matched with the sliding blocks (11) in structure.

6. The reversible polishing jig for precision machining according to claim 1, characterized in that: the opening directions of the clamping blocks (8) are corresponding, and rubber pads are attached and fixed on the inner walls of the clamping blocks (8).