CN212918678U

CN212918678U - Deep hole positioning device for drilling machine

Info

Publication number: CN212918678U
Application number: CN202021757095.9U
Authority: CN
Inventors: 潘爱明
Original assignee: Shanghai Yuji Metal Products Co ltd
Current assignee: Shanghai Yuji Metal Products Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-09
Anticipated expiration: 2030-08-20

Abstract

The application relates to a hole depth positioning device for a drilling machine, which relates to the technical field of drilling machines and comprises a positioning frame, wherein the positioning frame is arranged on a lifting sliding sleeve, and a butting part is formed on the lower side of the positioning frame; when the drill bit drills to a specified depth, the abutting portion abuts against the workpiece. Through above-mentioned structure, improved because the uneven circumstances of the counter sink depth that leads to of the application of force of artifical trompil differs, and then improved the precision of drilling machine drilling.

Description

Deep hole positioning device for drilling machine

Technical Field

The utility model relates to a drilling machine technical field, in particular to drilling machine is with dark positioner in hole.

Background

The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. The drilling machine is simple in structure, relatively low in machining precision, capable of drilling through holes and blind holes, replacing special cutters, and capable of expanding, reaming or tapping and the like. Wherein the counter bore is one of the manifestations of a blind bore.

Counter bores are blind bores which are formed from the surface of an object into the object and are frequently used for mounting bolts or other connecting elements. The countersunk holes are used for avoiding the protrusion of screws on certain workpieces requiring flatness, and the flatness of the mounting plane is ensured.

In the prior art, referring to fig. 1, the drilling machine comprises a frame body 1 and a workbench 12 fixed on the frame body 1, wherein the frame body 1 is further provided with a driving motor 11, a lifting sliding sleeve 13, a drill bit 14 and a rotating hand wheel 15, when the drilling machine works, a workpiece is fixed on the workbench 12 firstly, then the drill bit 14 is driven to rotate through the driving motor 11, and finally, a worker rotates the rotating hand wheel 15 to drive the lifting sliding sleeve 13 to slide towards the workpiece so as to complete the processing of the workpiece.

However, the applicant believes that the drilling machine in the above related art has a situation where the drilling accuracy is low, and there is a point to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the drilling machine among the relevant art and have the lower condition of drilling precision, this application provides a deep positioner of hole for drilling machine.

The application provides a pair of hole depth positioner for drilling machine adopts following technical scheme:

a hole depth positioning device for a drilling machine comprises a positioning frame, wherein the positioning frame is arranged on a lifting sliding sleeve, and a butting part is formed on the lower side of the positioning frame; when the drill bit drills to a specified depth, the abutting portion abuts against the workpiece.

Through adopting above-mentioned technical scheme, when the drill bit bored to appointed degree of depth, the locating rack followed the drill bit downstream together for butt portion supports the work piece, in order to prevent that the drill bit from continuing downstream, has improved because the uneven circumstances that leads to of counter sink depth of application of force of artifical trompil differs, and then has improved the drilling precision of drilling machine.

Preferably, the abutting part comprises a positioning bolt, the positioning bolt is in threaded connection with the positioning frame, and the axial direction of the positioning bolt is parallel to the axial direction of the drill bit.

By adopting the technical scheme, the positioning bolt is firstly rotated to determine the position of the positioning bolt. When the drill bit drills to a specified depth, the bottom of the positioning bolt abuts against the workpiece, so that the depth of the counter bore is adjusted, and the adaptability of the drilling machine is improved.

Preferably, one side of the positioning bolt, which is far away from the positioning frame, is provided with a rubber block.

Through adopting above-mentioned technical scheme, when the drill bit bored to appointed degree of depth, by setting up the rubber piece butt on the positioning bolt on the work piece, and then protect the work piece.

Preferably, the locating rack is arranged on the lifting sliding sleeve in a sliding mode, the sliding direction of the locating rack is parallel to the axial direction of the drill bit, and a fixing piece used for fixing the locating rack is arranged on the locating rack.

Through adopting above-mentioned technical scheme, slide the locating rack along being on a parallel with drill bit axial direction to the extension adjustment distance promotes the adaptability of locating rack, and consolidates the locating rack through the mounting, helps guaranteeing the stability of locating rack.

Preferably, the lifting sliding sleeve is provided with a fixing groove, the fixing member is a fixing bolt, and the fixing bolt penetrates through the positioning frame in a threaded manner and abuts against the bottom wall of the fixing groove.

Through adopting above-mentioned technical scheme, pass through fixing bolt with the locating rack and fix on the lift sliding sleeve to guarantee the stability of drilling machine during operation locating rack.

Preferably, the locating rack comprises a sliding sleeve, the sliding sleeve is sleeved on the lifting sliding sleeve, the sliding direction of the sliding sleeve is parallel to the axial direction of the drill bit, and the sliding sleeve is penetrated by the threads of the fixing bolt.

Through adopting above-mentioned technical scheme, when the cover that slides when suitable place, will slide the cover through fixing bolt and fix on the lift slip cover, and then help guaranteeing the stability of drilling machine during operation.

Preferably, the lifting sliding sleeve is provided with a scale line group along the sliding direction of the positioning frame.

Through adopting above-mentioned technical scheme, help making things convenient for the regulation of locating rack sliding distance, and then promoted the drilling precision of drilling machine.

Preferably, a fixing frame used for reinforcing the positioning frame is fixed on a frame body of the drilling machine, the fixing frame is connected with the positioning frame in a sliding mode, and the sliding direction of the positioning frame is parallel to the feeding direction of the drill bit.

Through adopting above-mentioned technical scheme, slide the mount and slide the frame and be connected, promoted the stability of locating rack when drilling machine.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the drill bit drills to a specified depth, the positioning frame moves downwards along with the drill bit, so that the abutting part abuts against the workpiece, the drill bit is prevented from moving downwards continuously, and the drilling precision of the drilling machine is improved;

2. rotating the positioning bolt to ensure that the rubber block fixed on the positioning block is abutted against the workpiece when the drill bit drills to a specified depth, so as to protect the workpiece;

3. the fixing frame fixed on the drilling machine frame body reinforces the positioning frame, and ensures the stability of the drilling machine in working and the positioning frame.

Drawings

FIG. 1 is a schematic axial view of the present embodiment, which mainly embodies a drill press;

FIG. 2 is a schematic axial view of the present embodiment, which mainly shows a hole depth positioning device for a drilling machine;

FIG. 3 is an enlarged view of a portion A of FIG. 2, which mainly shows a fixing structure of the positioning frame;

FIG. 4 is an enlarged schematic view of portion B of FIG. 2, primarily illustrating the structure of the abutment;

fig. 5 is a schematic view of the present embodiment mainly showing the structure of the fixing frame.

Reference numerals: 1. a frame body; 11. a drive motor; 12. a work table; 13. lifting the sliding sleeve; 131. fixing grooves; 132. fixing the bolt; 133. fixing a nut; 134. a set of scale lines; 14. a drill bit; 15. rotating a hand wheel; 2. a positioning frame; 21. a sliding sleeve; 3. an abutting portion; 31. positioning the bolt; 32. positioning blocks; 33. a rubber block; 4. a fixing frame.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses a deep hole positioning device for a drilling machine. Referring to fig. 2, including locating rack 2, locating rack 2 sets up on lift sliding sleeve 13, and the downside of locating rack 2 is located the top of workstation 12, and the downside of locating rack 2 is formed with butt portion 3.

In actual operation, the positioning frame 2 is arranged on the lifting sliding sleeve 13. While the drill bit 14 is drilling to a specified depth, the positioning frame 2 moves downward along with the drill bit 14, so that the abutting portion 3 abuts against the workpiece to prevent the drill bit 14 from further moving downward.

Referring to fig. 3, the positioning frame 2 includes a sliding sleeve 21, the sliding sleeve 21 is sleeved on the lifting sliding sleeve 13, and the sliding sleeve 21 is slidably disposed on the lifting sliding sleeve 13, and the sliding direction is parallel to the axial direction of the drill bit 14. The lifting sliding sleeve 13 is vertically provided with a fixing groove 131. The sliding sleeve 21 is provided with a fixing member, the fixing member is a fixing bolt 132, and the fixing bolt 132 is threaded through the sliding sleeve 21 and abuts against the fixing groove 131. A fixing nut 133 is screwed on the fixing bolt 132, and the fixing nut 133 is located between the nut of the fixing bolt 132 and the sliding sleeve 21. The lifting sliding sleeve 13 is also vertically provided with a scale group 134.

In actual work, the fixing nut 133 is unscrewed, then the fixing bolt 132 is unscrewed, then the sliding sleeve 21 slides along the direction parallel to the axial direction of the drill bit 14, and then the sliding distance of the sliding sleeve 21 is checked through the scale line group 134 arranged on the lifting sliding sleeve 13, so that the distance of the positioning frame 2 relative to the workpiece is adjusted. The fixing bolt 132 is then tightened to fix the sliding sleeve 21 to the lifting sliding sleeve 13, and the fixing nut 133 is then tightened to prevent the fixing bolt 132 from loosening due to vibration during operation of the drilling machine.

Referring to fig. 4, the abutting portion 3 includes a positioning bolt 31, the positioning bolt 31 is screwed to the positioning frame 2, and an axial direction of the positioning bolt 31 is parallel to an axial direction of the drill 14. One side of the positioning bolt 31 departing from the positioning frame 2 is in threaded connection with a positioning block 32, and one side of the positioning block 32 departing from the positioning bolt 31 is fixed with a rubber block 33.

In actual operation, the positioning bolt 31 is rotated to adjust the distance between the rubber block 33 and the workpiece. When the drill bit 14 drills to a specified depth, the rubber block 33 fixed on the positioning block 32 abuts against the workpiece, and the workpiece is protected.

Referring to fig. 5, a fixing frame 4 is fixed on the drilling machine frame body 1, and the fixing frame 4 is connected with the positioning frame 2 in a sliding manner, and the sliding direction is parallel to the feeding direction of the drill bit 14.

In the actual work, through fixed mount 4 on drilling machine support body 1 to make mount 4 and locating rack 2 slide and be connected, guaranteed the stability that the frame that slides, do not influence the motion of locating rack 2.

The principle of the embodiment is as follows: firstly unscrewing the fixing nut 133, then unscrewing the fixing bolt 132, sliding the sliding sleeve 21 in a direction parallel to the axial direction of the drill bit 14, then checking the sliding distance of the sliding sleeve 21 through the scale line group 134 arranged on the lifting sliding sleeve 13, further adjusting the distance of the rubber block 33 relative to the workpiece, then fixing the positioning frame 2 on the lifting sliding sleeve 13 through the fixing bolt 132, and then screwing the fixing nut 133. The distance of the rubber block 33 with respect to the workpiece is then adjusted again by rotating the set screw 31. When the drill bit 14 drills to a specified depth, the positioning frame 2 moves downwards along with the drill bit 14, and then the rubber block 33 fixed on the positioning block 32 abuts against a workpiece, so that the processing of a workpiece counter bore is completed. The fixed frame 4 fixed on the positioning frame 2 and the drilling machine is connected in a sliding manner, so that the sliding stability of the positioning frame 2 is ensured. Through above-mentioned device, improved because the uneven circumstances of the counter sink depth that leads to of application of force in hand hole, and then improved the precision of drilling machine drilling.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a deep positioner of hole for drilling machine which characterized in that: the device comprises a positioning frame (2), wherein the positioning frame (2) is arranged on a lifting sliding sleeve (13), and a butting part (3) is formed on the lower side of the positioning frame (2); when the drill bit (14) drills to a specified depth, the abutting part (3) abuts against the workpiece.

2. The hole depth positioning device for the drilling machine as claimed in claim 1, wherein: the abutting part (3) comprises a positioning bolt (31), the positioning bolt (31) is in threaded connection with the positioning frame (2), and the axial direction of the positioning bolt (31) is parallel to the axial direction of the drill bit (14).

3. The hole depth positioning device for the drilling machine as claimed in claim 2, wherein: and a rubber block (33) is arranged on one side of the positioning bolt (31) departing from the positioning frame (2).

4. The hole depth positioning device for the drilling machine as claimed in claim 1, wherein: the positioning frame (2) is arranged on the lifting sliding sleeve (13) in a sliding mode, the sliding direction of the positioning frame (2) is parallel to the axial direction of the drill bit (14), and a fixing piece used for fixing the positioning frame (2) is arranged on the positioning frame (2).

5. The hole depth positioning device for the drilling machine as claimed in claim 4, wherein: a fixing groove (131) is formed in the lifting sliding sleeve (13), the fixing piece is a fixing bolt (132), and the fixing bolt (132) penetrates through the positioning frame (2) in a threaded mode and abuts against the bottom wall of the fixing groove (131).

6. The hole depth positioning device for the drilling machine as claimed in claim 5, wherein: locating rack (2) is including sliding cover (21), it establishes on lift sliding sleeve (13) to slide cover (21) cover, just the slip direction of sliding cover (21) is on a parallel with the axial of drill bit (14), the cover (21) that slides is worn to establish by fixing bolt (132) screw thread.

7. The hole depth positioning device for the drilling machine as claimed in claim 4, wherein: and a scale line group (134) is arranged on the lifting sliding sleeve (13) along the sliding direction of the positioning frame (2).

8. The hole depth positioning device for the drilling machine as claimed in claim 1, wherein: a fixing frame (4) used for reinforcing the positioning frame (2) is fixed on a frame body (1) of the drilling machine, the fixing frame (4) is connected with the positioning frame (2) in a sliding mode, and the sliding direction of the positioning frame (2) is parallel to the feeding direction of the drill bit (14).