CN110625399A

CN110625399A - Engine part bores and attacks device

Info

Publication number: CN110625399A
Application number: CN201911069930.1A
Authority: CN
Inventors: 钱吉治; 何林芳; 廖庆云; 潘桔生
Original assignee: Hunan Hengyu Beijing Great Automotive Components Co Ltd
Current assignee: Hunan Hengyu Beijing Great Automotive Components Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2019-12-31

Abstract

The invention discloses an engine part drilling and tapping device which comprises a tool bit, a positioning plate, a rotary driving device vertically penetrating through the positioning plate, and a switching device positioned at the bottom of the positioning plate, wherein the driving device comprises a rotating shaft vertically distributed and a driving gear fixedly sleeved at the lower part of the rotating shaft. According to the drilling and tapping device, the positioning plate penetrates through and is rotatably connected with the rotating shaft, the bottom of the rotating shaft is fixedly sleeved with the driving gear, the bottom of the positioning plate is welded with the positioning shaft, the positioning shaft is rotatably connected with the rotating sleeve, the rotating sleeve is connected with the driven gears which are symmetrically distributed through the two connecting arms, the tool bit is fixedly sleeved on the driven gears, and after the rotating sleeve rotates for 180 degrees, the two driven gears on the two connecting arms are exchanged and meshed with the driving gear, so that the switching between the drill bit and the screw tap is realized, the position of a station after the switching is unchanged, the fast switching of drilling and tapping is further realized, the process does not need to be divided into two steps for processing.

Description

Engine part bores and attacks device

Technical Field

The invention relates to the technical field of engine part machining, in particular to an engine part drilling and tapping device.

Background

The engine is a device for providing power for the automobile, is the heart of the automobile, determines the dynamic property, the economical efficiency, the stability and the environmental protection property of the automobile, and is formed by combining a plurality of parts, wherein the parts are usually connected in a threaded combination mode.

At present, the manufacturing procedure to engine parts is reaming or drilling usually, then uses the screw tap tapping, because engine parts is batch production, current manufacturing procedure is reaming earlier or drilling, then shifts to next process and drills, and the processing position of the machine tool that adopts is the tool bit and connects the drill bit to drill, attacks the switching through switching drill bit and screw tap brill, and the structure leads to appearing following problem is attacked to the aforesaid brill: 1. tapping is completed in two working procedures, so that a transfer working procedure and a secondary clamping working procedure are added in production, and tool setting adjustment is needed in initial processing, so that large production investment is caused; 2. the reason for the above problems is that in order to ensure the precision of drilling and tapping, a tool bit is usually directly connected with a tap and a drill, so that the rotation error can be reduced to the minimum, and some structures for rapidly switching the tool bit through a multi-stage conversion structure exist in the market, so that the cost is high and the machining precision is low; 3. the connection of the cutter head, the drill bit and the screw tap is inconvenient, the stop operation is needed for replacing the drill bit and the screw tap, the time and the labor are wasted,

disclosure of Invention

The invention aims to: the drilling and tapping device for the engine parts is provided for solving the problems that the production investment is large due to the existing drilling process for the engine parts, the switching operation of a screw tap and a drill bit is difficult to switch, and the machining precision is high after the switching operation of the drilling and tapping device with a switching structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a device is attacked to engine parts brill, includes the tool bit, still includes locating plate, the vertical rotatory drive arrangement who runs through the locating plate, is located the auto-change over device of locating plate bottom, drive arrangement includes the pivot of vertical distribution and fixes the driving gear of establishing in the pivot lower part with fixed cover, auto-change over device include the commentaries on classics cover of vertical distribution, with change cover exterior wall swing joint's linking arm and with the terminal driven gear who rotates the connection of linking arm, the tool bit runs through driven gear and is with axle center distribution, two driven gear changes set symmetric distribution relatively.

As a further description of the above technical solution:

the tail end of the connecting arm is welded with two connecting sleeves which are coaxially distributed, the upper end face and the lower end face of the driven gear are both welded with matching sleeves which are coaxially distributed, and the connecting sleeves are connected with the matching sleeves through bearings.

As a further description of the above technical solution:

the outer surface wall of the rotating sleeve is provided with vertically distributed T-shaped slide ways, the other end of the connecting arm is welded with a T-shaped slide block, and the top of each T-shaped slide way is provided with a abdicating notch.

As a further description of the above technical solution:

the lower end face of the positioning plate is welded with a limiting column, and the top of the tool bit is rotatably connected with a top plate through a bearing.

As a further description of the above technical solution:

the bottom welding of locating plate has the location axle with spacing post symmetric distribution, the location axle passes through the bearing and changes the cover connection.

As a further description of the above technical solution:

and a locking screw rod penetrates through the outer surface wall of the rotating sleeve in a screwed mode.

As a further description of the above technical solution:

and a locking screw penetrates through the outer surface wall of the T-shaped sliding block.

As a further description of the above technical solution:

the top welding of locating plate has the mounting panel.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the drilling and tapping device, the positioning plate penetrates through and is rotatably connected with the rotating shaft, the bottom of the rotating shaft is fixedly sleeved with the driving gear, the bottom of the positioning plate is welded with the positioning shaft, the positioning shaft is rotatably connected with the rotating sleeve, the rotating sleeve is connected with the driven gears which are symmetrically distributed through the two connecting arms, the tool bit is fixedly sleeved on the driven gears, and after the rotating sleeve rotates for 180 degrees, the two driven gears on the two connecting arms are exchanged and meshed with the driving gear, so that the switching between the drill bit and the screw tap is realized, the position of a station after the switching is unchanged, the fast switching of drilling and tapping is further realized, the process does not need to be divided into two steps for processing.

2. According to the invention, two connecting sleeves which are coaxially distributed are welded at the tail end of the connecting arm, the driven gear and the connecting sleeves are in running fit through the bearing, the positioning shafts which are symmetrically distributed with the limiting columns are welded at the bottom of the positioning plate, and the positioning shafts are connected with the rotating sleeve through the bearing, so that the connecting arm always keeps the position precision of the tool bit in the process of switching the drill bit and the screw tap, the accumulated error is avoided, and the machining precision is high.

3. According to the invention, the outer surface wall of the rotating sleeve is provided with the T-shaped slide ways which are vertically distributed, the other end of the connecting arm is welded with the T-shaped slide block, and the top of each T-shaped slide way is provided with the abdicating notch, so that the whole T-shaped slide block is fixed in the T-shaped slide way and can be detached from the abdicating notch after sliding upwards, and the other connecting arm can be detached to replace a drilling and tapping tool when a driven gear corresponding to one connecting arm rotates to process.

4. According to the drilling and tapping device, the core components of the whole drilling and tapping device are the rotating shaft, the driving gear, the two driven gears, the rotating sleeve and the two connecting arms, the drilling and tapping procedures can be rapidly switched through the structure, the whole size is small, the structure is simple, and the drilling and tapping device is suitable for batch engine part processing.

Drawings

FIG. 1 is a schematic structural diagram of the overall cooperation of an engine component drilling and tapping device provided by the invention;

FIG. 2 is a schematic structural diagram of a top view of a rotary sleeve, a driving gear and a driven gear of the drilling and tapping device for engine parts according to the present invention;

FIG. 3 is a schematic structural diagram of a connection arm and a rotary sleeve of the drilling and tapping device for the engine parts, which is provided by the invention;

FIG. 4 is a schematic structural diagram of a positioning plate of the drilling and tapping device for engine parts according to the present invention;

fig. 5 is a schematic structural diagram of the tool bit and the driven gear of the engine component drilling and tapping device provided by the invention.

Illustration of the drawings:

1. positioning a plate; 11. a limiting column; 12. positioning the shaft; 13. mounting a plate; 2. a drive device; 21. a rotating shaft; 22. a driving gear; 3. a switching device; 31. rotating the sleeve; 311. a T-shaped slideway; 32. a connecting arm; 321. connecting sleeves; 322. a T-shaped slider; 33. a driven gear; 331. a fitting sleeve; 4. a cutter head; 41. a top plate; 5. locking the screw rod; 6. and locking the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Example 1

Referring to fig. 1-5, an engine component drilling and tapping device comprises a tool bit 4, a positioning plate 1, a rotary driving device 2 vertically penetrating through the positioning plate 1, and a switching device 3 located at the bottom of the positioning plate 1, wherein a mounting plate 13 is welded at the top of the positioning plate 1, the mounting plate 13 is connected with an external power machine body through a bolt, for example, a machine body capable of moving up and down, the driving device 2 comprises a vertically distributed rotating shaft 21 and a driving gear 22 fixedly sleeved at the lower part of the rotating shaft 21, the top of the rotating shaft 21 is fixedly connected with a rotary power end on the machine body, the rotating shaft 21 is connected with the positioning plate 1 through a bearing, the switching device 3 comprises a vertically distributed rotating sleeve 31, a connecting arm 32 movably connected with the outer wall of the rotating sleeve 31, and a driven gear 33 rotatably connected with the tail end of the connecting arm 32, the rotating sleeve 31 is located at one, rotating sleeve 31, two driven gear 33 are changeed sleeve 31 symmetric distribution relatively, and integral type arc structure can be makeed into to linking arm 32, rotates rotating sleeve 31, drives two driven gear 33 and switches and with the meshing of driving gear 22, and then can realize the switching of drill bit and screw head, realizes the switching of boring process and tapping process.

Example 2

Referring to fig. 1 and 2, the end of the connecting arm 32 is welded with two coaxially distributed connecting sleeves 321, the upper and lower end faces of the driven gear 33 are both welded with coaxially distributed matching sleeves 331, the connecting sleeves 321 are connected with the matching sleeves 331 through bearings, the bottom of the positioning plate 1 is welded with positioning shafts 12 symmetrically distributed with the limiting columns 11, and the positioning shafts 12 are connected with the rotating sleeve 31 through bearings, so that the rotating sleeve 31 has high rotation precision relative to the positioning shafts 12, the driven gear 33 has high rotation precision relative to the connecting sleeves 321, when the two driven gears 33 switch stations, the position precision after switching can be ensured, and tool resetting is not needed.

Example 3

Referring to fig. 1 and 3, a limiting column 11 is welded on the lower end surface of the positioning plate 1, the top of the cutter head 4 is rotatably connected with a top plate 41 through a bearing, the positioning plate 1 is driven by an external moving machine body to perform feeding operation, the limiting column 11 supports against the top plate 41 on the top of the cutter head 4, and when the cutter head 4 rotates, the top plate 41 is relatively static, so that the rotation of the cutter 4 is not affected.

Example 4

Referring to fig. 1 and 3, a T-shaped slide way 311 is vertically distributed on an outer surface wall of the rotating sleeve 31, a T-shaped slider 322 is welded at the other end of the connecting arm 32, and an abdicating notch is formed in the top of the T-shaped slide way 311, so that the whole T-shaped slider 322 is fixed in the T-shaped slide way 311 and can be detached from the abdicating notch after sliding upwards, a locking screw 5 is screwed through the outer surface wall of the rotating sleeve 31, the locking screw 5 is used for locking the rotating sleeve 31, a counter bore can be formed in the positioning shaft 12 and is matched with the locking screw 5, a locking screw 6 is screwed through the outer surface wall of the T-shaped slider 322, the T-shaped slider 322 is fastened in the T-shaped slide way 311 after the locking screw 6 is screwed, the whole connecting arm 32 is conveniently detached, and different drill bits or screw taps.

The working principle is as follows: during the use, pass through bolted connection with mounting panel 13 and brill tapping fuselage, then the drive head that will bore on the tapping fuselage is connected with the one end of pivot 21, then install drill bit and screw tap respectively on two tool bits 4, in processing, locating plate 1 moves down, drill bit on the tool bit 4 that corresponds with driven gear 33 of driving gear 22 meshing drills or reams the work piece, spacing post 11 exerts certain thrust to the roof 41 at tool bit 4 top simultaneously, the pivot 21 is rotatory to be taken the tool bit 4 rotatory, and then drive the drill bit and bore, after the drilling finishes, through loosening locking screw 5 soon, rotatory rotating sleeve 31, switch over another tool bit 4 to operating position, the tapping processing is carried out to the same reason.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a device is attacked to engine parts brill, includes tool bit (4), its characterized in that still includes locating plate (1), vertical rotatory drive arrangement (2) that runs through locating plate (1), is located auto-change over device (3) of locating plate (1) bottom, drive arrangement (2) are established driving gear (22) in pivot (21) lower part including pivot (21) and the fixed cover of vertical distribution, auto-change over device (3) are including the commentaries on classics cover (31) of vertical distribution, with change cover (31) exterior wall swing joint's linking arm (32) and link arm (32) end rotation connected driven gear (33), tool bit (4) run through driven gear (33) and are with the axle center distribution, two driven gear (33) are changeed cover (31) symmetric distribution relatively.

2. The engine part drilling and tapping device as claimed in claim 1, wherein two coaxially distributed connecting sleeves (321) are welded at the tail ends of the connecting arms (32), coaxially distributed matching sleeves (331) are welded on the upper end face and the lower end face of the driven gear (33), and the connecting sleeves (321) are connected with the matching sleeves (331) through bearings.

3. The engine component drilling and tapping device as claimed in claim 1, wherein a T-shaped slide way (311) is vertically distributed on an outer surface wall of the rotating sleeve (31), a T-shaped sliding block (322) is welded at the other end of the connecting arm (32), and an abdicating notch is formed in the top of the T-shaped slide way (311).

4. The engine part drilling and tapping device as claimed in claim 3, wherein a limiting column (11) is welded on the lower end face of the positioning plate (1), and a top plate (41) is rotatably connected to the top of the tool bit (4) through a bearing.

5. The engine part drilling and tapping device as claimed in claim 4, wherein a positioning shaft (12) symmetrically distributed with the limiting column (11) is welded at the bottom of the positioning plate (1), and the positioning shaft (12) is connected with the rotating sleeve (31) through a bearing.

6. The engine part drilling and tapping device as claimed in claim 5, wherein the outer wall of the rotary sleeve (31) is screwed with a locking screw (5).

7. The engine part drilling and tapping device as claimed in claim 3, wherein a locking screw (6) is screwed through the outer wall of the T-shaped sliding block (322).

8. The engine part drilling and tapping device as claimed in claim 1, characterized in that a mounting plate (13) is welded on the top of the positioning plate (1).