CN212794109U

CN212794109U - Columnar workpiece machining and positioning structure

Info

Publication number: CN212794109U
Application number: CN202021588038.2U
Authority: CN
Inventors: 胡永臻
Original assignee: Jiashan Tuanxing Precision Machinery Co ltd
Current assignee: Jiashan Tuanxing Precision Machinery Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-26
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a column work piece processing location structure, its technical scheme main points are: the utility model provides a column work piece processing location structure, including be vertical decurrent main shaft, be fixed in set up in the drill bit of main shaft, the main shaft is provided with and is used for keeping the concentric locating component of column work piece and drill bit, locating component including set up in the adapter sleeve of main shaft, a plurality of set up in the bulb plunger of adapter sleeve inner wall, bulb plunger tip orientation the drill bit direction, but bulb plunger butt in column work piece lateral wall, be provided with the adjusting part of adjusting the adapter sleeve relative height between main shaft and the adapter sleeve. The utility model discloses a bulb plunger realizes the accurate location to the columnar work piece to ensure that the drill bit is bored and is concentric the setting with the columnar work piece, realize advanced manufacturing.

Description

Columnar workpiece machining and positioning structure

Technical Field

The utility model relates to a machine tooling field especially involves a column work piece processing location structure.

Background

Existing cylindrical workpieces often require end face drilling. When drilling a through hole during processing of a columnar workpiece, the columnar workpiece needs to be clamped and fixed, and then a hole is drilled on the end face of the columnar workpiece.

The clamp for clamping the workpiece of the existing drilling machine is generally a tiger clamp or a three-jaw chuck structure, and the clamp is fixed with the position of a drilling machine workbench through a magnetic attraction structure. After the corresponding position of the workpiece can be freely adjusted, the clamp and the workpiece are fixed on the workbench of the drilling machine through the magnetic attraction structure, and then drilling processing is carried out. When the drilling machine is used for end face drilling of a workpiece, the workpiece needs to be clamped and centered, the centered is generally positioned manually, and the cylindrical workpiece is not easy to be accurately positioned, so that the machining precision is influenced.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a column work piece processing location structure realizes the accurate location to column work piece through the bulb plunger to ensure that the drill bit is bored and is concentric setting with column work piece.

The above technical purpose of the utility model is realized through following technical scheme: the utility model provides a column work piece processing location structure, including be vertical decurrent main shaft, be fixed in set up in the drill bit of main shaft, the main shaft is provided with and is used for keeping the concentric locating component of column work piece and drill bit, locating component including set up in the adapter sleeve of main shaft, a plurality of set up in the bulb plunger of adapter sleeve inner wall, bulb plunger tip orientation the drill bit direction, but bulb plunger butt in column work piece lateral wall, be provided with the adjusting part of adjusting the adapter sleeve relative height between main shaft and the adapter sleeve.

The utility model discloses a further set up to: the adjusting part including set up in the main shaft supplies the fixed cover that the adapter sleeve was established, set up in fixed cover and be located the solid fixed ring of fixed cover top, set up in the first terminal surface bearing of the upper end face of adapter sleeve, set up in gu the spring between fixed ring and the first terminal surface bearing, the spring housing is located fixed cover.

The utility model discloses a further set up to: the inner wall of the connecting sleeve is provided with a lining sleeve, and the lining sleeve is sleeved on the fixing sleeve.

The utility model discloses a further set up to: the inner side wall of the connecting sleeve is provided with a plurality of threaded holes in threaded connection with the ball plunger, and the threaded holes are located below the main shaft and are uniformly distributed on the inner wall of the connecting sleeve.

The utility model discloses a further set up to: the connecting sleeve inner wall is provided with a plurality of chip grooves for chip discharge, and the chip grooves are vertically arranged and are located between adjacent ball head plungers.

The utility model discloses a further set up to: and a second end face bearing is arranged on the lower end face of the connecting sleeve, and a rubber ring is arranged on the lower end face of the second end face bearing.

The utility model discloses a further set up to: the fixed sleeve is connected to the side wall of the main shaft through bolts.

To sum up, the utility model discloses following beneficial effect has:

when the connecting device is used, the main shaft is driven to move downwards, so that the connecting sleeve is sleeved on a corresponding cylindrical workpiece, the cylindrical workpiece is accurately positioned through the ball plunger, after the cylindrical workpiece is positioned, the clamp and the position of the cylindrical workpiece are fixed through the magnetic suction mechanism of the drilling machine workbench, so that accurate positioning is realized, in addition, the connecting sleeve is stretched along the direction of the main shaft through the spring, so that the connecting sleeve is adapted to the relative position; after the detection is finished, the fixed sleeve and the connecting sleeve are conveniently detached from the main shaft because the fixed sleeve is connected to the main shaft through the bolts; when the connecting sleeve is not detached for drilling or grooving, the connecting sleeve and the columnar workpiece can rotate relatively conveniently through the ball plunger, and the connecting sleeve, the main shaft and the fixing sleeve can rotate relatively through the first end face bearing.

The friction force between the connecting sleeve and the fixing sleeve can be reduced through the bushing, and the normal work of the drill bit can be ensured when the connecting sleeve is in contact with the clamp for clamping the cylindrical workpiece through the second end face bearing and the rubber ring, and the connecting sleeve can rotate relative to the clamp.

The chip generated during drilling is conveniently discharged through the chip grooves.

Drawings

Fig. 1 is a schematic view of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

The corresponding part names indicated by the numbers in the figures: 1. a drill bit; 2. a main shaft; 3. connecting sleeves; 4. a ball plunger; 5. a threaded hole; 6. fixing a sleeve; 7. a fixing ring; 8. a first end face bearing; 9. a spring; 10. a bushing; 11. a second end face bearing; 12. a rubber ring; 13. a chip groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.

As shown in fig. 1 and 2, the utility model provides a column work piece processing location structure, including being vertical decurrent main shaft 2, be fixed in set up in the drill bit 1 of main shaft 2, main shaft 2 is provided with and is used for keeping the concentric locating component of column work piece and drill bit 1, locating component including set up in the adapter sleeve 3 of main shaft 2, a plurality of set up in the bulb plunger 4 of 3 inner walls of adapter sleeve, adapter sleeve 3 is concentric setting with drill bit 1, 4 tip orientations of bulb plunger 1 direction of drill bit, but bulb plunger 4 butt in column work piece lateral wall.

The inner side wall of the connecting sleeve 3 is provided with a plurality of threaded holes 5 in threaded connection with the ball plunger 4, and the threaded holes 5 are located below the main shaft 2 and are uniformly distributed on the inner wall of the connecting sleeve 3. Through 4 threaded connection of bulb plunger in screw hole 5, conveniently fix a position bulb plunger 4's position realizes accurate regulation.

Be provided with the adjusting part who adjusts 3 relative heights of adapter sleeve between main shaft 2 and the adapter sleeve 3 in addition, adjusting part including set up in main shaft 2 and confession 3 cover fixed cover 6, set up in fixed cover 6 is located the solid fixed ring 7 of fixed cover 6 top, set up in the first terminal surface bearing 8 of adapter sleeve 3 up end, set up in spring 9 between solid fixed ring 7 and the terminal surface bearing, spring 9 cover is located fixed cover 6 to fixed cover 6 passes through bolted connection in main shaft 2 to the direction is with fixed cover 6 dismouting in main shaft 2.

When the tool is used, the main shaft 2 is moved downwards to enable the connecting sleeve 3 to be sleeved on a corresponding cylindrical workpiece, the cylindrical workpiece is accurately positioned through the ball plunger 4, after the cylindrical workpiece is positioned, the clamp and the position of the cylindrical workpiece are fixed through the magnetic suction mechanism of the drilling machine workbench, so that the accurate positioning is realized, in addition, the connecting sleeve 3 is stretched along the direction of the main shaft 2 through the spring 9, so that the connecting sleeve 3 is adapted to the relative position; after the detection is finished, the fixed sleeve 6 is connected to the main shaft 2 through the bolts, so that the fixed sleeve 6 and the connecting sleeve 3 are conveniently detached from the main shaft 2; when the connecting sleeve 3 is not detached for drilling or grooving, the connecting sleeve 3 and the columnar workpiece can rotate relatively conveniently through the ball plunger 4, and the connecting sleeve 3, the main shaft 2 and the fixing sleeve 6 can rotate relatively through the first end face bearing 8.

In this embodiment, a bushing 10 is disposed on an inner wall of the connection sleeve 3, and the fixing sleeve 6 is sleeved with the bushing 10. The lower end surface of the connecting sleeve 3 is provided with a second end surface bearing 11, and the lower end surface of the second end surface bearing 11 is provided with a rubber ring 12. The bush 10 can reduce the friction between the connecting sleeve 3 and the fixing sleeve 6, and in addition, the second end face bearing 11 and the rubber ring 12 can ensure that the drill bit 1 can still work normally when the connecting sleeve 3 is contacted with a clamp for clamping a cylindrical workpiece, and the connecting sleeve 3 can rotate relative to the clamp.

For when drilling, in order to ensure that the sweeps can normally be discharged, a plurality of chip grooves 13 for the sweeps to be discharged are formed in the inner wall of the connecting sleeve 3, and the chip grooves 13 are vertically arranged and are located between the adjacent ball plunger pistons 4. The chip generated during drilling is conveniently discharged through the chip grooves 13.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a columnar work piece processing location structure, including be vertical decurrent main shaft (2), be fixed in set up in drill bit (1) of main shaft (2), its characterized in that: the main shaft (2) is provided with a positioning assembly for keeping a columnar workpiece and a drill bit (1) concentric, the positioning assembly comprises a connecting sleeve (3) arranged on the main shaft (2), and a plurality of ball plungers (4) arranged on the inner wall of the connecting sleeve (3), the end parts of the ball plungers (4) face towards the direction of the drill bit (1), the ball plungers (4) can be abutted against the side wall of the columnar workpiece, and an adjusting assembly for adjusting the relative height of the connecting sleeve (3) is arranged between the main shaft (2) and the connecting sleeve (3).

2. The columnar workpiece machining positioning structure as recited in claim 1, wherein: adjusting part including set up in main shaft (2) and confession fixed cover (6) that adapter sleeve (3) cover was established, set up in fixed cover (6) are located fixed ring (7) of fixed cover (6) top, set up in the first terminal surface bearing (8) of adapter sleeve (3) up end, set up in spring (9) between fixed ring (7) and first terminal surface bearing (8), spring (9) cover is located fixed cover (6).

3. The columnar workpiece machining positioning structure as recited in claim 2, wherein: the inner wall of the connecting sleeve (3) is provided with a lining (10), and the lining (10) is sleeved on the fixing sleeve (6).

4. The columnar workpiece machining positioning structure as recited in claim 1, wherein: the inner side wall of the connecting sleeve (3) is provided with a plurality of threaded holes (5) in threaded connection with the ball plunger (4), and the threaded holes (5) are located below the main shaft (2) and are uniformly distributed on the inner wall of the connecting sleeve (3).

5. The columnar workpiece machining positioning structure as recited in claim 1, wherein: a plurality of chip grooves (13) for chip discharge are formed in the inner wall of the connecting sleeve (3), and the chip grooves (13) are vertically arranged and located between the adjacent ball head plungers (4).

6. The columnar workpiece machining positioning structure as recited in claim 1, wherein: the lower end face of the connecting sleeve (3) is provided with a second end face bearing (11), and the lower end face of the second end face bearing (11) is provided with a rubber ring (12).

7. The columnar workpiece machining positioning structure as recited in claim 2, wherein: the fixed sleeve (6) is connected to the side wall of the main shaft (2) through bolts.