CN210360411U

CN210360411U - Special tool for drilling circular hollow pipe fitting

Info

Publication number: CN210360411U
Application number: CN201921402800.0U
Authority: CN
Inventors: 江涛; 胡伟; 王弢; 何桥
Original assignee: Chery and Wanda Guizhou Bus Co Ltd
Current assignee: Chery and Wanda Guizhou Bus Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-21
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a special frock for drilling of circular hollow pipe fitting, it includes PMKD and roof, PMKD supports the base through bolt one connection bearing in the top, and the top that the bearing supported the base is connected with the bearing through bolt two and supports the upper plate, and there is the bearing in the centre, supports the upper plate top at the bearing and is connected with the roof through bolt three, the cover has the fixed tube socket of pipe fitting on the bearing inner race, and the cover has the circular hollow pipe fitting of treating drilling and locks at the tip with the nut on the one end outside of the fixed tube socket of pipe fitting, has the rotor plate at the other end of the fixed tube socket of pipe fitting through linkage bolted connection, and the outside of rotor plate is equipped with a plurality of locating holes, passes through positioning bolt in the locating. The device has the advantages of simple structure, less investment, small volume, high measurement degree and low use and maintenance cost, can quickly achieve the use purpose, improves the accuracy of product quality and obtains good use effect.

Description

Special tool for drilling circular hollow pipe fitting

Technical Field

The utility model relates to an anchor clamps especially relate to a special frock for circular hollow pipe drilling belongs to machine parts machining anchor clamps technical field.

Background

The hole machining of the product in the manufacturing industry is realized by that a workpiece to be machined is usually fixed on a special clamp, and is finished by manually adopting an air drill through the working procedures of drilling, hinging and the like. Because most of the drilling machines adopted at present use manual operation, for processing a workpiece, the workpiece needs to be clamped firstly, then the workpiece is drilled, and because the drilling machine cannot be used for drilling after the power supply is turned off during drilling, the hidden danger is easily caused to an adversary when the workpiece is clamped or replaced. In addition, the quality of the holes on one hand is influenced by factors such as the technical level, emotion and repeated positioning precision of hole processing of processing workers, and the quality cannot be guaranteed; on the other hand, the efficiency is low by adopting manual drilling.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the special tool for drilling the circular hollow pipe fitting is simple in structure, small in investment, small in size, high in measurement degree, low in use and maintenance cost, capable of achieving the purpose of use quickly, improving the accuracy of product quality and effectively solving the existing problems.

The technical scheme of the utility model is that: the utility model provides a special frock for drilling of circular hollow pipe fitting, it includes PMKD and roof, PMKD supports the base through bolt one connection bearing, and the top that the bearing supported the base is connected with the bearing through bolt two and supports the upper plate, and there is the bearing in the centre, supports the upper plate top at the bearing and is connected with the roof through bolt three, the cover has the fixed tube socket of pipe fitting on the bearing inner race, and the cover has the circular hollow pipe fitting of treating drilling and locks with the nut at the tip on the one end outside of the fixed tube socket of pipe fitting, has the rotor plate at the other end of the fixed tube socket of pipe fitting through linkage bolted connection, and the outside of rotor plate is equipped with a plurality of locating holes, fixes on the roof through.

And two symmetrical bearing stop blocks are arranged on the side edge of the bearing and are connected to the side walls of the bearing support upper plate and the bearing support base through bolts.

And symmetrical U-shaped grooves are formed in the fixed bottom plate.

The pipe fixing pipe seat is a columnar rod and comprises a rod body I and a rod body II, the rod body I and the rod body II are fixedly connected, a convex ring is fixedly connected to the outer side of the middle connection part, the end part of the rod body I is provided with threads and matched with a nut, a plurality of grooves I are formed in the side wall of the rod body I, the circular hollow pipe is sleeved on the rod body I, a plurality of grooves II are formed in the outer side of the end part of the rod body II, the linkage bolt is located on the grooves II, and the bearing is sleeved on the rod.

The utility model has the advantages that: compared with the prior art, adopt the technical scheme of the utility model:

1) aiming at the defects existing in the technology, the utility model aims to provide a circular hollow tube

The special fixture for drilling the pipe fitting is simple in structure and convenient to operate, can be conveniently fixed at a proper position and is conveniently used for auxiliary machining of the pipe fitting, the machining precision of the pipe fitting and the production efficiency of the pipe fitting are improved, the production cost is saved, and good production is achieved;

2) when the round pipe is fixed for drilling, the distance and the size of the tool are adjusted by one person to clamp and fix the round pipe component, the drilling precision is high, the position of the component can not deviate due to the shaking of the drilling machine after the round pipe is fixed, and the phenomenon that a bolt hole on the component is deviated is avoided;

3) simple manufacture, cost are low, save the labour cost, and this frock only needs a manual work to accomplish all operations when using, need not other manual work and assists fixed pipe.

Economic benefits are as follows: the drilling inspection standard is determined, the drilling quality is ensured to meet the specified requirements, and the drilling inspection quality and efficiency are improved. The utility model provides a circular hollow pipe fitting boring grab can reduce aperture error, convenient to use, practicality are strong to productivity gain.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a third schematic structural view of the present invention;

fig. 4 is a fourth schematic structural view of the present invention;

FIG. 5 is a schematic view of the structure of the pipe fitting fixing tube seat of the present invention;

FIG. 6 is a schematic view of the assembly of the pipe fixing tube seat and the bearing of the present invention;

fig. 7 is an exploded view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.

Example 1: as shown in the accompanying drawings 1-7, a special tool for drilling a circular hollow pipe fitting comprises a fixed bottom plate 7 and a top plate 2, wherein the upper part of the fixed bottom plate 7 is connected with a bearing supporting base 4 through a first bolt 9, the upper part of the bearing supporting base 4 is connected with a bearing supporting upper plate 3 through a second bolt 11, a bearing 15 is arranged in the middle of the bearing supporting upper plate 3, the upper part of the bearing supporting upper plate 3 is connected with the top plate 2 through a third bolt 10, a pipe fitting fixing pipe seat 16 is sleeved on an inner ring of the bearing 15, a circular hollow pipe fitting 13 to be drilled is sleeved on the outer side of one end of the pipe fitting fixing pipe seat 16 and locked by a nut 14 at the end part of the circular hollow pipe fitting 13, a rotating plate 18 is connected with the other end of the pipe fitting fixing pipe seat 16 through a linkage bolt 19.

Further, the bearing 15 is provided with two symmetrical bearing stoppers 8 at the side and is connected to the side walls of the bearing support upper plate 3 and the bearing support base 4 by bolts.

Furthermore, the fixed bottom plate 7 is provided with symmetrical U-shaped grooves 21. The fixed bottom plate 7 is provided with a U-shaped groove 21 for fixing, and the fixed bottom plate can be integrally fixed on a bench drill to be matched with a drill floor device for use.

Further, the pipe fixing pipe seat 16 is a columnar rod and comprises a first rod body 22 and a second rod body 26, the first rod body 22 and the second rod body 26 are fixedly connected, a convex ring 24 is fixedly connected to the outer side of the middle connection part, a thread 27 is arranged at the end part of the first rod body 22 and matched with the nut 14, a plurality of first grooves 23 are formed in the side wall of the first rod body 22, the circular hollow pipe 13 is sleeved on the first rod body 22, a plurality of second grooves 25 are formed in the outer side of the end part of the second rod body 26, the linkage bolt 19 is located on the second grooves 25, and the bearing 15 is sleeved on the second rod body.

Further, two positioning pins 1 are arranged on a top plate 2, the positioning pins 1 are arranged between the top plate 2 and a bearing support upper plate 3, through holes with different intervals can be formed in the top plate 2 according to needs and used for drilling machined parts through drill bits on a drilling machine, the positioning pins 1 can accurately fix the installation precision of tool parts, and finally locking is carried out through a top plate fixing bolt III 10;

the bearing support upper plate 3 and the bearing support base 4 are used for locking and fixing a bearing 15, a bearing support plate fixing bolt II 11 is used for locking between the two parts, then the two parts are all fixed on a fixing bottom plate 7 through a bearing support base fixing bolt I9, and finally two inclined support blocks 5 and an inclined support block fixing bolt 6 are used for reinforcing and locking.

The bearing stopper 8 is mounted on the bearing support upper plate 3 and the bearing support base 4 by bolts, and functions to prevent the bearing 15 from moving radially.

Further, the bearing support upper panel inner liner 12 is a piece of a decorative design that is aesthetically pleasing and may be added or removed as desired.

The round hollow pipe 13 is a part needing actual drilling, and is sleeved on a fixed pipe seat 16 of the round hollow pipe needing drilling when in use, and then is locked by a locking hexagonal nut 14. The inner diameters of the round hollow pipe 13 and the round hollow pipe fixing pipe seat 16 for drilling need to be matched, and the round hollow pipe 13 is small and cannot be sleeved, and is large, so that the drilling quality can be influenced.

Furthermore, the positioning bolt 17 is directly inserted into the hole of the top plate 2 through the positioning hole 20 of the rotating plate 18, so that the jig can be controlled not to rotate during drilling.

Positioning holes 20 with different angles can be reserved on the rotating plate 18 (the central line position of the positioning hole 20 needs to be consistent with the central line position of the first groove 23 of the round hollow pipe fixing pipe seat 16) for being inserted into the top plate 2, and holes can be randomly punched within the angle range of 360 degrees.

The rotating plate linkage bolt 19 is directly inserted into the rotating plate 18 and the second groove 25 of the round hollow pipe fixing pipe base 16 to realize that the rotating plate and the round hollow pipe fixing pipe base are integrated into a whole in a rotating mode, and therefore the drilling fixture can be used for drilling holes within 360-degree angle range in the drilling fixture together with the rotating positioning bolt 17.

The pipe fixing pipe seat 16 can be processed in a matched mode according to the size of a circular hollow pipe to be drilled, during installation, the circular hollow pipe 13 to be drilled is directly sleeved on the pipe fixing pipe seat, then the circular hollow pipe 13 to be drilled is locked through the locking hexagonal nut 14, and a drilling hole clearance groove (a groove I23) with a certain depth is formed in the pipe fixing pipe seat 16 and used for enabling a drill bit to drill through the circular hollow pipe 13 for a reserved distance. The bearing 15 is selected to be directly knocked and installed on a fixed pipe seat 16 of the circular hollow pipe fitting for drilling.

The parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a special frock for drilling of circular hollow pipe spare, it includes PMKD (7) and roof (2), its characterized in that: the bearing support base (4) is connected to the upper portion of the fixed base plate (7) through a first bolt (9), the upper portion of the bearing support base (4) is connected with a bearing support upper plate (3) through a second bolt (11), a bearing (15) is arranged in the middle of the bearing support upper plate, the upper portion of the bearing support upper plate (3) is connected with the top plate (2) through a third bolt (10), a pipe fixing pipe seat (16) is sleeved on the inner circle of the bearing (15), a circular hollow pipe fitting (13) to be drilled is sleeved on the outer side of one end of the pipe fixing pipe seat (16) and locked by a nut (14) at the end of the circular hollow pipe fitting, a rotating plate (18) is connected to the other end of the pipe fixing pipe seat (16) through a linkage bolt (19), a plurality of positioning holes (20) are formed in the outer side of the rotating plate (18).

2. The special tool for drilling the circular hollow pipe fitting according to claim 1, wherein the tool comprises: two symmetrical bearing stop blocks (8) are arranged on the side edge of the bearing (15) and are connected to the side walls of the bearing support upper plate (3) and the bearing support base (4) through bolts.

3. The special tool for drilling the circular hollow pipe fitting according to claim 1, wherein the tool comprises: and symmetrical U-shaped grooves (21) are formed in the fixed bottom plate (7).

4. The special tool for drilling the circular hollow pipe fitting according to claim 1, wherein the tool comprises: the pipe fixing pipe seat (16) is a columnar rod and comprises a first rod body (22) and a second rod body (26), the first rod body (22) and the second rod body (26) are fixedly connected, a convex ring (24) is fixedly connected to the outer side of the middle joint, the end portion of the first rod body (22) is provided with threads (27) and matched with the nut (14), a plurality of grooves (23) are formed in the side wall of the first rod body (22), the circular hollow pipe fitting (13) is sleeved on the first rod body (22), a plurality of grooves (25) are formed in the outer side of the end portion of the second rod body (26), the linkage bolt (19) is located on the grooves (25), and the bearing (15) is sleeved on the second rod body (26).