CN114012475A

CN114012475A - Tool for preventing reverse clamping fixture baffle from being installed

Info

Publication number: CN114012475A
Application number: CN202111598025.2A
Authority: CN
Inventors: 荣存党
Original assignee: Anhui General Magnet Co ltd
Current assignee: Anhui General Magnet Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-02-08
Anticipated expiration: 2041-12-24

Abstract

The invention discloses a tool for preventing a baffle of an inverted clamp from being installed, which comprises a workpiece chuck, wherein the workpiece chuck is provided with a U-shaped arc groove for placing a workpiece to be machined, the front side surface of the workpiece chuck is fixedly connected with a boss baffle corresponding to the U-shaped arc groove, the boss baffle faces the rear side surface in the U-shaped arc groove to form a boss part, a central through hole is axially arranged in the boss baffle along the front-back horizontal direction, and the central through hole is coaxial with the U-shaped arc shape of the U-shaped arc groove at the fixed position of the boss baffle. The invention has the advantages of simplicity, reliability, convenient modification and low modification cost, and can effectively prevent the problem of mistakenly processing the workpiece to be processed when the workpiece is reversely arranged.

Description

Tool for preventing reverse clamping fixture baffle from being installed

Technical Field

The invention relates to the field of workpiece clamps, in particular to a tool for preventing a baffle of an inverted clamp from being installed.

Background

For some cylindrical processing parts with obviously uneven profiles at two ends, the known requirements of the front end and the back end exist during mechanical processing, and the concave end and the convex end must be oriented uniformly during processing and clamping. Most of the automatic feeding and automatic clamping mechanisms used at present cannot ensure that 100% of workpieces face the same direction, and workpieces which are reversely loaded cause processing errors, so that the workpieces are damaged by processing or a processing machine tool is damaged.

Disclosure of Invention

The invention aims to provide a tool for preventing a clamp baffle from being reversely mounted, which aims to solve the problems that in the prior art, cylindrical workpieces to be machined, the two ends of which are respectively a convex end and a concave end, cannot ensure the consistent orientation of the workpieces during machining, and are easy to reversely mount, so that the workpieces are damaged and a machine tool is damaged.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a prevent adorning anti-anchor clamps baffle frock for one end is the plane or the protruding end, the other end is the machined part of treating of concave end, including the work piece chuck, the work piece chuck has the confession from the downward shaping in top to treat the U type arc groove that the machined part was placed, and the U type arc form of U type arc groove is along preceding rear direction, and link up the work piece chuck around the U type arc groove, and the work piece chuck leading flank corresponds U type arc groove position connection and is fixed with the boss baffle, the boss baffle spanes in U type arc groove, and the boss baffle is boss portion towards the trailing flank shaping in the U type arc groove, and the external diameter of boss portion is less than treats machined part concave end internal diameter, is equipped with the axial in the boss baffle along the central through-hole of horizontal direction around, and the fixed position of boss baffle make central through-hole with the U type arc form of U type arc groove is coaxial.

Furthermore, the left end and the right end of the boss baffle are respectively provided with a mounting port, when the boss baffle is arranged on the front side surface of the workpiece chuck and corresponds to the U-shaped arc groove, the mounting ports on the left end and the right end of the boss baffle are respectively positioned outside the corresponding sides of the U-shaped arc groove, a screw passes through each mounting port respectively, and the screws are screwed into the workpiece chuck respectively, so that the boss baffle is connected and fixed on the workpiece chuck.

Furthermore, equal-height gaskets are respectively arranged between the left end and the right end of the boss baffle plate and the workpiece chuck, and the screws respectively penetrate through the equal-height gaskets and then are screwed into the workpiece chuck

Further, the thickness of the equal-height gasket in the front-back direction is equal to the axial length of the boss part in the boss baffle in the front-back direction.

In the invention, the outer diameter of the boss part of the boss baffle is slightly smaller than the inner diameter of the concave end of the workpiece to be machined, and when a workpiece is clamped on a machine tool mandrel, the boss part of the boss baffle can extend into the concave end of the workpiece to be machined; by utilizing the characteristics, when a workpiece to be machined is clamped on a spindle of a machine tool, if the workpiece to be machined is reversely arranged, the longitudinal moving distance of the workpiece clamping bucket can be different, and a stroke sensor is matched to identify the moving distance of the workpiece clamping bucket during feeding and clamping, when the distance is different, an alarm signal can be generated by the stroke sensor to give the machine tool, so that the machine tool does not machine the workpiece to be machined with the reverse head, and the problem of mechanical error loss caused by reverse arrangement of the workpiece to be machined is avoided.

The invention has the advantages of simple and reliable structure, convenient modification and low modification cost, and can effectively prevent the problem of mistaken processing when a cylindrical workpiece to be processed is reversely mounted when the tool is used for processing the cylindrical workpiece to be processed with one convex end and one concave end.

Drawings

Fig. 1 is a schematic structural view of a fixture baffle tool.

Fig. 2 is a schematic view of a workpiece clamping bucket.

FIG. 3 is a schematic view of the rear of the boss baffle.

Fig. 4 is a schematic view of a workpiece to be processed.

Fig. 5 is a schematic view of a machine tool spindle.

Fig. 6 is a schematic view of the design of the head of the spindle and the feeding mechanism of the common machine tool.

Reference numbers in the figures: 1. the machining tool comprises a workpiece clamping bucket, 1-1 parts of U-shaped arc grooves, 2 parts of boss baffles, 2-1 parts of boss parts, 3-1 parts of left boss equal-height washers, 3-2 parts of right boss equal-height washers, 4-1 parts of left boss baffle fixing screws, 4-2 parts of right boss baffle fixing screws, 5 parts of workpieces to be machined, 6 parts of a machine tool mandrel, 6-1 parts of a mandrel sleeve, 6-2 parts of a mandrel, and loose cores.

Detailed Description

The following describes in detail a specific embodiment of the present fixture baffle tool with reference to the accompanying drawings and examples. The following examples are provided to illustrate the present clamp stop tool, but are not intended to limit the scope of the present clamp stop tool.

As shown in fig. 1, which is a schematic structural view of a fixture baffle tool of the invention, the fixture baffle tool comprises a workpiece clamping bucket 1, a boss baffle 2, a left boss equal-height washer 3-1, a right boss equal-height washer 3-2, and a left boss baffle fixing screw 4-1; and a right boss baffle plate is fixed with a screw 4-2.

As shown in FIG. 2, which is a schematic view of the workpiece clamping bucket 1 of the present invention, a straight distance U-shaped arc groove 1-1 is provided downward at the top of the workpiece clamping bucket 1, like a Z-shaped bracket, and the diameter of the U-shaped arc groove 1-1 is 0.1 to 0.2 mm larger than the diameter of the workpiece 5 to be processed.

As shown in fig. 3, which is a schematic view of the boss baffle 2 of the present invention, a boss portion 2-2 is formed on the rear side surface of the boss baffle 2, and a central through hole penetrating through the boss baffle 2 and the boss portion 2-2 is formed in the boss baffle 2, and the central through hole is for avoiding the length of the machine tool spindle 6; the outer diameter of the boss portion 2-2 should be smaller than the inner diameter of the concave end of the member to be machined 5, and the boss portion 2-2 can extend into the concave end of the member to be machined 5.

The left end and the right end of the boss baffle 2 are respectively provided with a U-shaped mounting opening, and a left boss baffle fixing screw 4-1 and a right boss baffle fixing screw 4-2 are respectively screwed into the workpiece chuck 1 after passing through the mounting openings at the left end and the right end of the boss baffle 2, so that the boss baffle 2 is fixed at the front side of the workpiece chuck 1 and corresponds to the U-shaped arc groove.

A left boss equal-height washer 3-1 and a right boss equal-height washer 3-2 are respectively padded between the left end and the right end of the workpiece clamping bucket 1 and the boss baffle 2, and a left boss baffle fixing screw 4-1 is fixed; the right boss baffle fixing screws 4-2 respectively penetrate through the left boss equal-height gasket 3-1 and the right boss equal-height gasket 3-2 correspondingly. The gasket thicknesses of the gasket 3-1 with the boss equal height on the left side and the gasket 3-2 with the boss equal height on the right side are respectively consistent with the axial length of the boss part 2-2 of the boss baffle in the front and back directions.

As shown in fig. 4, which is a schematic view of a workpiece 5 to be machined according to the present invention, the workpiece has a long cylindrical shape, one end of which is a plane or a convex surface as a convex end, and the other end of which is a concave end with a groove.

As shown in fig. 5, which is a schematic view of a machine tool mandrel 6 according to the present invention, the machine tool mandrel 6 includes a mandrel sleeve 6-1 and a mandrel core 6-2.

As shown in fig. 6, which is a schematic view of a spindle of a machine tool head and an automatic feeding mechanism of a general machine tool, a spindle 6 of the machine tool is coaxially mounted on the spindle of the machine tool.

When the machine tool is in operation, a workpiece 5 to be machined in the storage tank falls into a U-shaped arc groove of the workpiece clamping bucket 1, an X-direction feeding cylinder with a feeding mechanism drags the workpiece clamping bucket 1 to clamp the workpiece 5 to be machined to extend out of the front of a machine tool mandrel 6 and reach the front of the machine tool mandrel 6 (at the moment, the center of a U-shaped arc circle of the workpiece clamping bucket 1 is concentric with the machine tool mandrel), and then a Z-direction feeding cylinder of the feeding mechanism drags the workpiece clamping bucket 1 to clamp the workpiece 5 to be machined and puts the workpiece on the machine tool mandrel 6 in a penetrating manner; the boss baffle 2 is arranged on the outer side of the workpiece clamping bucket 1 to block the workpiece 5 to be machined, so that the workpiece 5 to be machined penetrating through the machine tool mandrel 6 can be guaranteed to abut against the root of the machine tool mandrel 6;

when the workpiece is tightly abutted, when the groove of the workpiece 5 to be machined is outward and the boss of the boss baffle 2 extends into the groove, the distance L1 of the Z-direction feeding cylinder of the feeding mechanism, which runs, is different from the distance L2 of the Z-direction feeding cylinder of the feeding mechanism, which runs, when the convex surface or plane of the workpiece 5 to be machined is outward and the boss of the boss baffle 2 cannot extend, and the lengths of the L1 and the L2 are different. By utilizing the characteristic rule, the stroke sensor is arranged on the Z-direction feeding cylinder, and whether the directions of the concave end or the convex end of the workpiece 5 to be processed are consistent or not can be identified. The operation stroke of the Z-direction cylinder is in accordance with the set stroke, the workpiece to be machined with the consistent moving distance is moved during clamping, and the machine tool can continuously work from automatic feeding, clamping, machining and discharging to a material groove of a qualified product.

If the workpiece 5 to be machined with the reverse head is arranged on the machining bed core rod 6, the stroke sensor transmits an alarm signal to the machine tool, the machine tool does not machine the reversely placed workpiece, the unloading mechanism drives the material receiving groove of the workpiece to be machined to extend, and the workpiece is received and stored separately, so that the problems of machining errors of the workpiece and mechanical error loss caused by the machining errors are solved.

The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.

Claims

1. The utility model provides a prevent adorning anti-anchor clamps baffle frock for one end is the machined part of treating of plane or protruding end, the other end are the concave end, its characterized in that: including the work piece chuck, the work piece chuck has the confession from the downward shaping in top to treat the U type arc groove that the machined part was placed, and the U type arc form in U type arc groove is followed back and forth direction, and link up the work piece chuck around the U type arc groove, and the work piece chuck leading flank corresponds U type arc groove position connection and is fixed with the boss baffle, the boss baffle spanes in U type arc groove, and the boss baffle is boss portion towards the trailing flank shaping in the U type arc groove, and the external diameter of boss portion is less than treats machined part concave end internal diameter, is equipped with the central through-hole of axial along the front and back horizontal direction in the boss baffle, and the fixed position of boss baffle make central through-hole with the U type arc form of U type arc groove is coaxial.

2. The tool for preventing the baffle of the reverse clamp from being installed according to claim 1, is characterized in that: the left end and the right end of the boss baffle are respectively provided with a mounting hole, when the boss baffle is arranged on the front side surface of the workpiece chuck and corresponds to the U-shaped arc groove, the left end mounting hole and the right end mounting hole of the boss baffle are respectively positioned outside the corresponding sides of the U-shaped arc groove, screws respectively penetrate through each mounting hole, and the screws are respectively screwed into the workpiece chuck, so that the boss baffle is fixedly connected with the workpiece chuck.

3. The tool for preventing the baffle of the reverse clamp from being installed according to claim 2, is characterized in that: equal-height gaskets are respectively arranged between the left end and the right end of the boss baffle and the workpiece chuck, and the screws respectively penetrate through the equal-height gaskets and then are screwed into the workpiece chuck.

4. The tool for preventing the baffle of the reverse clamp from being installed according to claim 3, is characterized in that: the thickness of the equal-height gasket in the front-back direction is equal to the axial length of the boss part in the boss baffle in the front-back direction.

5. The tool for preventing the baffle of the reverse clamp from being installed according to claim 1, is characterized in that: the diameter of the U-shaped arc shape of the U-shaped arc groove in the workpiece chuck is larger than that of a workpiece to be machined.