CN217253068U

CN217253068U - Clamp for drilling signal hole on periphery of workpiece

Info

Publication number: CN217253068U
Application number: CN202221112062.8U
Authority: CN
Inventors: 童中华; 刘光俊; 李铭达; 唐俊聪
Original assignee: Chongqing Haitong Machinery Manufacture Co ltd
Current assignee: Chongqing Haitong Machinery Manufacture Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-23
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a fixture for drilling signal holes on the periphery of a workpiece, which comprises a bottom plate and a positioning mandrel, wherein a via hole is arranged in the middle of the bottom plate, a supporting piece for supporting the workpiece is arranged on the upper surface of the bottom plate, and the number of the supporting piece is at least one; the positioning mandrel sequentially comprises a mandrel lower section, a mandrel middle section and a mandrel upper section for limiting a workpiece from bottom to top; the dabber hypomere is from last down to insert the via hole in, and the lower surface in dabber middle section contradicts the upper surface of bottom plate, and the upper end of dabber upper segment is provided with the packing ring that is used for the locking work piece, and packing ring detachably sets up in the dabber upper segment. The utility model discloses a set up the positioning core axle on the bottom plate and pass the via hole on the bottom plate, produce the assembly relevance to the work piece, specifically support the work piece through the dabber middle section, carry out the locking through the packing ring to the work piece, stable and firm to the centre gripping effect of work piece, the assembly work piece is convenient, respond well, also convenient operation to subsequent drilling simultaneously.

Description

Clamp for drilling signal hole on periphery of workpiece

Technical Field

The application relates to the technical field of machining, in particular to a clamp for drilling a signal hole in the periphery of a workpiece.

Background

In the processing of a workpiece, it is necessary to drill the periphery of the workpiece, and in order to facilitate automation and improve the processing accuracy, the workpiece is generally set on a rotating device (a lathe or the like) to automatically rotate to assist the specific drilling of the periphery of the workpiece.

Therefore, in order to ensure that the workpiece is stably arranged on the rotating device, a corresponding clamp is required to be designed to clamp and fix the workpiece.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned condition of carrying out centre gripping and fixing to the work piece, the utility model provides an anchor clamps that is used for work piece periphery to bore signal hole.

A clamp for drilling signal holes in the periphery of a workpiece comprises a bottom plate and a positioning mandrel, wherein a through hole is formed in the middle of the bottom plate, supporting pieces for supporting the workpiece are arranged on the upper surface of the bottom plate, and the number of the supporting pieces is at least one;

the positioning mandrel sequentially comprises a mandrel lower section, a mandrel middle section and a mandrel upper section for limiting a workpiece from bottom to top; the dabber hypomere is from last down inserted in the cross hole, just the lower surface in dabber middle section is contradicted the upper surface of bottom plate, the upper end of dabber upper segment is provided with the packing ring that is used for the locking work piece, just packing ring detachably set up in the dabber upper segment.

The utility model discloses an in some embodiments, the upper surface in dabber middle section is provided with the locating pin that is used for giving the work piece location, the quantity of locating pin is at least one.

In some embodiments of the present invention, the upper surface of the mandrel middle section is provided with a pin hole, and the positioning pin is detachably inserted into the pin hole.

In some embodiments of the present invention, the upper surface of the bottom plate is provided with an insertion hole, and the support member is detachably inserted into the insertion hole.

In some embodiments of the present invention, the positioning mandrel is fixed to the bottom plate by a bolt, and the bolt is screwed to the mandrel middle section and the bottom plate.

The utility model discloses an among some embodiments, the upper end axial of spindle upper segment is extended and is provided with the packing ring axle, the center of packing ring is provided with the through-hole, and through this through-hole suit in the packing ring axle, the upper end periphery screw-thread fit ground of packing ring axle is provided with lock nut, just lock nut is rotatory precession in order to promote downwards the packing ring realizes the locking to the work piece.

In some embodiments of the invention, the upper surface of the bottom plate is provided with grooves for avoiding interference and weight reduction.

In some embodiments of the invention, the groove is annularly disposed along the upper surface of the base plate.

Has the advantages that:

the utility model discloses a set up the positioning core axle on the bottom plate and pass the via hole on the bottom plate, produce the assembly relevance to the work piece, specifically support the work piece through the dabber middle section, carry out the locking through the packing ring to the work piece, stable and firm to the centre gripping effect of work piece, the assembly work piece is convenient, respond well, also convenient operation to subsequent drilling simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention in a cross-sectional state.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

A fixture for drilling signal holes on the periphery of a workpiece is disclosed, as shown in FIG. 1, which comprises a base plate 10 and a positioning mandrel 20, wherein the positioning mandrel 20 is arranged on the base plate 10, and a workpiece 70 is pressed and fixed through the positioning mandrel 20. Meanwhile, in order to ensure that the workpiece 70 is placed stably and positioned accurately, a support 30 for supporting the workpiece is provided on the base plate 10.

A through hole 11 for disposing the positioning spindle 20 is provided in the middle of the base plate 10. The via 11 also acts as a mounting structure when the fixture is mounted to a machine tool.

The positioning mandrel 20 is of a three-section structure, and specifically comprises a mandrel lower section 21, a mandrel middle section 22 and a mandrel upper section 23 from bottom to top. As shown in fig. 1, the mandrel lower section 21 has an outer diameter smaller than that of the mandrel middle section 22, and the mandrel middle section 22 has an outer diameter larger than that of the mandrel upper section 23.

During specific assembly, the lower section 21 of the mandrel is inserted into the via hole 11 from top to bottom, and after the lower section of the mandrel is inserted into the via hole, the lower surface of the middle section 22 of the mandrel abuts against the upper surface of the bottom plate 10, so that stable assembly is formed. For fixing and locking the workpiece, a washer 40 for locking the workpiece is provided at the upper end of the mandrel upper section 23. A washer 40 is removably disposed on the mandrel upper section 23. When the workpiece needs to be installed, the gasket 40 is taken down, and after the workpiece is installed, the gasket 40 is installed.

After the workpiece is assembled, one surface of the workpiece is attached to the lower surface of the washer 40 and the other surface is attached to the upper surface of the mandrel mid-section 22.

In some embodiments, to allow for more accurate positioning of the workpiece, a locating pin 50 is provided on the upper surface of the mandrel mid-section 22 for locating the workpiece. In order to ensure stable positioning of the workpiece, the number of the positioning pins 50 is at least one. In specific implementation, the number of the grooves can be three or four at equal angular intervals.

Further, to facilitate assembly and use of the locating pin 50, a pin hole is provided in the upper surface of the mandrel middle section 22. The positioning pin 50 is detachably inserted into the pin hole.

In some embodiments, to facilitate the placement of the supporting member 30, the assembly and the use, the upper surface of the base plate 10 is provided with insertion holes, and the supporting member 30 is detachably inserted into the insertion holes.

In some embodiments, the positioning mandrel 20 is secured to the base plate 10 by a bolt, and the bolt is threaded into the mandrel mid-section 22 and the base plate 10. The positioning core shaft 20 and the bottom plate 10 are connected and fixed through bolts, so that the installation and the disassembly are convenient, and the connection is firm.

In some embodiments, to facilitate the positioning of the washer 40 and to ensure the locking effect of the washer 40. The upper end of the mandrel upper section 23 is axially extended and provided with a gasket shaft 24, a through hole is formed in the center of the gasket 40 and is sleeved on the gasket shaft 24 through the through hole, a locking nut 60 is arranged on the periphery of the upper end of the gasket shaft 24 in a threaded fit manner, and the locking nut 60 rotates downwards to push the gasket 40 to lock the workpiece. The washer is assembled by arranging the washer shaft 24, and the precession of the washer 40 is pushed by the matching of the locking nut 60, so that the operation is convenient, the fine adjustment effect is achieved, and the clamping tightness of the workpiece can be adjusted with high precision.

In some embodiments, the upper surface of the base plate 10 is provided with grooves 12 for avoiding interference and weight reduction.

Further, the groove 12 is annularly formed along the upper surface of the base plate 10.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a anchor clamps that is used for work piece periphery to bore signal hole which characterized in that: the positioning device comprises a bottom plate (10) and a positioning mandrel (20), wherein a through hole (11) is formed in the middle of the bottom plate (10), supporting pieces (30) used for supporting a workpiece are arranged on the upper surface of the bottom plate (10), and the number of the supporting pieces (30) is at least one;

the positioning mandrel (20) sequentially comprises a mandrel lower section (21), a mandrel middle section (22) and a mandrel upper section (23) for limiting a workpiece from bottom to top; dabber hypomere (21) down insert from last in via hole (11), just the lower surface of dabber middle section (22) is contradicted the upper surface of bottom plate (10), the upper end of dabber upper segment (23) is provided with packing ring (40) that are used for the locking work piece, just packing ring (40) detachably set up in dabber upper segment (23).

2. The jig for drilling a signal hole in the outer periphery of a workpiece according to claim 1, wherein: the upper surface of dabber middle section (22) is provided with and is used for giving the locating pin (50) of work piece location, the quantity of locating pin (50) is at least one.

3. The jig for drilling a signal hole in the outer periphery of a workpiece according to claim 2, wherein: the upper surface of the mandrel middle section (22) is provided with a pin hole, and the positioning pin (50) is detachably inserted into the pin hole.

4. The jig for drilling a signal hole in the outer periphery of a workpiece according to claim 1, wherein: the upper surface of the bottom plate (10) is provided with an insertion hole, and the support piece (30) is detachably inserted into the insertion hole.

5. The jig for drilling a signal hole in the outer periphery of a workpiece according to claim 1, wherein: the positioning mandrel (20) is fixed to the base plate (10) through a bolt, and the bolt is in threaded connection with the mandrel middle section (22) and the base plate (10).

6. The jig for drilling a signal hole in the outer periphery of a workpiece according to claim 1, wherein: the upper end of the mandrel upper section (23) is axially extended and provided with a gasket shaft (24), a through hole is formed in the center of the gasket (40) and sleeved on the gasket shaft (24) through the through hole, a locking nut (60) is arranged on the periphery of the upper end of the gasket shaft (24) in a threaded fit mode, and the locking nut (60) rotates downwards to advance to push the gasket (40) to lock a workpiece.

7. The jig for drilling a signal hole in the outer periphery of a workpiece according to any one of claims 1 to 6, wherein: the upper surface of the bottom plate (10) is provided with grooves (12) for avoiding interference and reducing weight.

8. The jig for drilling a signal hole in the outer periphery of a workpiece according to claim 7, wherein: the grooves (12) are annularly arranged along the upper surface of the bottom plate (10).