CN214722378U

CN214722378U - Annular part machining clamp

Info

Publication number: CN214722378U
Application number: CN202120501079.1U
Authority: CN
Inventors: 邝锦富; 莫持标
Original assignee: Guangdong Jinke Machine Tool Co ltd
Current assignee: Guangdong Jinke Machine Tool Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-16
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses an annular parts machining anchor clamps, including the ring clamp base, the up end of ring clamp base is arranged 3 upper surface height-adjustable supporting more than organizing, the top surface of going up upper surface height-adjustable supporting is the work piece supporting surface, be equipped with the coupling mechanism who is used for pressing from both sides tight annular workpiece on upper surface height-adjustable supporting and/or the ring clamp base, because the up end of ring clamp base is arranged 3 upper surface height-adjustable supporting more than organizing, in order to make the work piece accord with the dimensional requirement after processing, the person of processing can simulate the assembly state of work piece in practical application, adjust upper surface height-adjustable supporting respectively and remove to carry out the clamping to the work piece. After the machining is finished, even if the workpiece deforms, the use of the clamp cannot be influenced, the workpiece is in an ideal state when being assembled, and the clamp is directly provided with the height-adjustable device, so that the clamp is extremely simple, convenient and reliable to use.

Description

Annular part machining clamp

Technical Field

The utility model relates to a machine tool equipment technical field, in particular to annular parts machining anchor clamps that digit control machine tool was used.

Background

Numerical control machines are used for machining large and relatively thin annular parts, for example, parts with dimensions phi 300 phi 210 phi 17 and phi 490 phi 440 phi 8, and in the past, in order to ensure machining rigidity, a plurality of support points (more than 3) are used for clamping a workpiece during clamping. The bottom surface of the workpiece is not absolutely flat, and since 3 points not in the same straight line define a plane, the extra support points may have a clearance from the workpiece (if the clearance is too large, the clearance can be adjusted by a shim), and the workpiece may be deformed when clamped.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an annular parts machining anchor clamps that simple structure is reasonable, convenient to use is reliable.

The utility model discloses a realize through following technical scheme:

the annular part machining clamp comprises an annular clamp base, wherein more than 3 groups of upper top surface height-adjustable supports are arranged on the upper end surface of the annular clamp base, the top surface of each upper top surface height-adjustable support is a workpiece supporting surface, and the upper top surface height-adjustable supports and/or the annular clamp base are/is provided with connecting mechanisms for clamping annular workpieces.

Furthermore, the height-adjustable supports of the upper top surface are 3 groups and are uniformly arranged on the upper end surface of the annular clamp base.

Further, a workpiece gasket is arranged between the adjacent upper top surface height-adjustable supports.

Furthermore, each group of upper top surface height-adjustable supports comprises an upper cushion block and a lower cushion block, the lower cushion block is fixedly arranged on the upper end surface of the annular clamp base, the upper cushion block is connected with the lower cushion block through a height adjusting structure, the upper top surface of the upper cushion block is an annular workpiece supporting surface, and the upper cushion block and/or the lower cushion block are/is provided with a connecting mechanism for clamping an annular workpiece.

Furthermore, the height adjusting structure between the upper cushion block and the lower cushion block is a relative wedge connecting structure, the upper cushion block is connected through a push-pull adjusting bolt, and the lower inclined surface of the upper cushion block and the upper inclined surface of the lower cushion block can move relatively.

The connecting mechanism for clamping the annular workpiece comprises a workpiece mounting bolt, a communicating hole arranged on the upper top surface height-adjustable support and a mounting hole on the annular fixture base, wherein the workpiece mounting bolt is connected to the mounting hole on the annular fixture base after passing through the clamping hole on the workpiece and the communicating hole on the upper top surface height-adjustable support to form the connecting mechanism.

The utility model has the advantages that: because the upper end face of the annular clamp base is provided with more than 3 groups of upper top face height-adjustable supports, in order to enable the workpiece to meet the size requirement after being processed, a processor can simulate the assembly state of the workpiece in practical application and respectively adjust the upper top face height-adjustable supports to clamp the workpiece. After the machining is finished, even if the workpiece deforms, the use of the clamp cannot be influenced, the workpiece is in an ideal state when being assembled, and the clamp is directly provided with the height-adjustable device, so that the clamp is extremely simple, convenient and reliable to use.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of a workpiece prior to assembly;

FIG. 3 is a perspective view of the assembled workpiece;

FIG. 4 is an elevation view of the workpiece after assembly;

fig. 5 is a schematic cross-sectional view of the workpiece after assembly between the fixture and the workpiece.

Reference numerals: the fixture comprises a ring-shaped fixture base 1, an upper top surface height-adjustable support 2, a workpiece supporting surface 20, an upper end surface 10, a workpiece gasket 4, a workpiece 8, clamping holes 81, an upper cushion block 21, a lower cushion block 22, a forward-push bolt 24, a backward-pull bolt 25, a workpiece mounting bolt 31, a communication hole 26, an adjusting fixing plate 27, a bolt 29 and a mounting hole 30.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, the utility model relates to an annular parts machining anchor clamps, including annular fixture base 1, annular fixture base 1's up end is arranged 3 upper surface height-adjustable supports 2 more than organizing, upper surface height-adjustable supports 2's top surface is work piece bearing surface 20, upper surface height-adjustable supports 2 and/or be equipped with the coupling mechanism who is used for pressing from both sides tight annular workpiece on annular fixture base 1, specific this coupling mechanism can set up alone at upper surface height-adjustable supports 2 or set up alone at annular fixture base 1, of course, preferably, this coupling mechanism can set up simultaneously between the two, its structure is more compact.

Further, the upper top surface height-adjustable supports 2 are preferably 3 groups and are uniformly arranged on the upper end surface 10 of the annular clamp base 1.

Further, a workpiece gasket 4 is arranged between the adjacent upper top surface height-adjustable supports 2, and the workpiece gasket 4 can play a role in strengthening, supporting and clamping the workpiece 8.

Further, each group of upper top surface height-adjustable supports 2 respectively comprises an upper cushion block 21 and a lower cushion block 22, the lower cushion block 22 is fixedly installed on the upper end surface 10 of the annular clamp base 1, the upper cushion block 21 is connected with the lower cushion block 22 through a height adjusting structure, the upper top surface of the upper cushion block 21 is an annular workpiece supporting surface 20, and the upper cushion block 21 and/or the lower cushion block 22 are/is provided with the connecting mechanism for clamping the annular workpiece.

Further, the height adjusting structure between the upper cushion block 21 and the lower cushion block 22 is a relative wedge connecting structure, and has inclined surfaces which are correspondingly connected with each other, the lower cushion block 22 is connected with the upper cushion block 21 by a push-pull adjusting bolt, and the lower inclined surface of the upper cushion block 21 and the upper inclined surface of the lower cushion block 22 can move relatively.

The push-pull adjusting bolt is arranged on the adjusting fixing plate 27, the adjusting fixing plate 27 is fixedly arranged on the outer side of the lower cushion block 22 through a bolt, the push-pull adjusting bolt comprises a front push bolt 24 and a rear pull bolt 25, the front end face of the front push bolt 24 is abutted to the end face of the upper cushion block 21, and the front end of the rear pull bolt 25 is connected into a screw hole of the lower cushion block 22.

Further, the connecting mechanism for clamping the annular workpiece comprises a workpiece mounting bolt 31, a communication hole 26 (comprising a slotted hole on the upper cushion block and a communication hole on the lower cushion block) arranged on the upper top surface height-adjustable support 2 and a mounting hole 30 on the annular fixture base 1, wherein the workpiece mounting bolt 31 is connected to the mounting hole 30 on the annular fixture base 1 through a clamping hole 81 on the workpiece 8 and the communication hole 26 on the upper top surface height-adjustable support 2, and specifically, corresponding mounting screw holes are arranged on the mounting hole 30, so that the workpiece, the upper cushion block and the lower cushion block can be fixed on the base together through the workpiece mounting bolt 31.

Preferably, the ring clamp base 1 has more mounting holes 30 than the upper ceiling height adjustable supports 2, so that the upper ceiling height adjustable supports 2 can be adjusted to different mounting positions, or the number of the upper ceiling height adjustable supports 2 is increased.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Annular parts machining anchor clamps, its characterized in that: the annular fixture comprises an annular fixture base, wherein more than 3 groups of upper top surface height-adjustable supports are arranged on the upper end surface of the annular fixture base, the top surface of each upper top surface height-adjustable support is a workpiece supporting surface, and the upper top surface height-adjustable supports and/or the annular fixture base are/is provided with connecting mechanisms for clamping annular workpieces.

2. The annular parts machining jig of claim 1, wherein: the height-adjustable supports of the upper top surface are 3 groups and are uniformly arranged on the upper end surface of the annular clamp base.

3. The annular parts machining jig of claim 1, wherein: and a workpiece gasket is arranged between the adjacent upper top surface height-adjustable supports.

4. The annular parts machining jig of claim 1, wherein: each group of upper top surface height-adjustable supports comprises an upper cushion block and a lower cushion block, the lower cushion block is fixedly arranged on the upper end surface of the annular clamp base, the upper cushion block is connected with the lower cushion block through a height adjusting structure, the upper top surface of the upper cushion block is an annular workpiece supporting surface, and the upper cushion block and/or the lower cushion block are/is provided with a connecting mechanism for clamping an annular workpiece.

5. The annular parts machining jig of claim 4, wherein: the height adjusting structure between the upper cushion block and the lower cushion block is a relative wedge connecting structure, the upper cushion block is connected through a push-pull adjusting bolt, and the lower inclined surface of the upper cushion block and the upper inclined surface of the lower cushion block can move relatively.

6. The annular parts machining jig of claim 1, 4 or 5, wherein: the connecting mechanism for clamping the annular workpiece comprises a workpiece mounting bolt, a communicating hole arranged on the upper top surface height-adjustable support and a mounting hole on the annular fixture base, wherein the workpiece mounting bolt is connected to the mounting hole on the annular fixture base after passing through the clamping hole on the workpiece and the communicating hole on the upper top surface height-adjustable support to form the connecting mechanism.

7. The annular parts machining jig of claim 5, wherein: the push-pull adjusting bolt is installed on the adjusting fixing plate, the adjusting fixing plate is installed and fixed on the outer side of the lower cushion block, the push-pull adjusting bolt comprises a front push bolt and a rear pull bolt, the front end face of the front push bolt abuts against the end face of the upper cushion block, and the front end of the rear pull bolt is connected into a screw hole of the lower cushion block.

8. The annular parts machining jig of claim 1, wherein: the annular clamp base is provided with more mounting holes than the upper top surface height-adjustable supports.

9. The annular parts machining jig of claim 6, wherein: the communicating hole arranged on the upper top surface height-adjustable support comprises a long slotted hole on the upper cushion block.