CN112475371A - Auxiliary device for drilling on cylindrical surface - Google Patents

Auxiliary device for drilling on cylindrical surface Download PDF

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Publication number
CN112475371A
CN112475371A CN202011346823.1A CN202011346823A CN112475371A CN 112475371 A CN112475371 A CN 112475371A CN 202011346823 A CN202011346823 A CN 202011346823A CN 112475371 A CN112475371 A CN 112475371A
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CN
China
Prior art keywords
drilling
pair
plate
drilled
cylindrical surface
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Granted
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CN202011346823.1A
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Chinese (zh)
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CN112475371B (en
Inventor
李标
丁雯清
段泽豹
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Anhui Institute of Information Engineering
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Anhui Institute of Information Engineering
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Priority to CN202011346823.1A priority Critical patent/CN112475371B/en
Publication of CN112475371A publication Critical patent/CN112475371A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/28Drill jigs for workpieces
    • B23B47/281Jigs for drilling cylindrical parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses an auxiliary device for drilling a cylindrical surface, which relates to the technical field of machining and comprises a support plate, a pair of bidirectional screw rods, clamping blocks, a limiting plate, a positioning plate and a guide sleeve, wherein the support plate is provided with a pair of the bidirectional screw rods which are symmetrically distributed in the left and right direction, the distance between the support plates at two sides can be adjusted by means of the bidirectional screw rods, the clamping blocks are provided with a pair of the bidirectional screw rods and are respectively arranged at the inner sides of the two support plates, the upper parts of the support plates are provided with horizontal sliding grooves, the sliding plates are in sliding fit with the sliding grooves, the inward extending ends of the sliding plates are hinged with a pair of connecting rods through rivets, the positioning plate is hinged with the inward extending ends of the connecting rods. In conclusion, the auxiliary device for drilling on the cylindrical surface has the characteristics of ingenious design, reasonable structure and convenience in use, and can effectively assist an operator holding the handheld drilling machine to accurately drill on the side surface of the cylindrical body.

Description

Auxiliary device for drilling on cylindrical surface
Technical Field
The invention relates to the technical field of machining, in particular to an auxiliary device for drilling a cylindrical surface.
Background
Fire-fighting pipeline installer often need install the fire-fighting steel pipe in a plurality of apertures in the side of the fire-fighting steel pipe of heavy-calibre in the actual work process, at this moment, both need use but the clamp of side threaded connection fire-fighting steel pipe, still need drill the through-hole that the department corresponds the aperture at the actual mounted position of clamp. Because the installer generally holds the handheld drilling machine by hand to drill the cylindrical surface of the fire-fighting steel pipe, the handheld drilling machine is very easy to slide and is difficult to drill on the side wall in the middle of the specified position of the fire-fighting steel pipe. In addition, during the drilling process, once the drill bit deflects due to slippage, a certain degree of damage can be brought to the drill bit, and even the drill bit can be broken and scrapped.
Disclosure of Invention
The present invention aims to provide an auxiliary device for drilling a cylindrical surface, which solves the above-mentioned drawbacks caused by the prior art.
An auxiliary device for drilling on a cylindrical surface comprises a supporting plate, a bidirectional screw rod, clamping blocks, a limiting plate, a positioning plate and a guide sleeve, wherein the supporting plate is provided with a pair of connecting seats which are symmetrically distributed left and right, the supporting plate is vertically arranged, the connecting seats are welded in the middle of the top of the supporting plate, the bidirectional screw rod is horizontally positioned between the left connecting seat and the right connecting seat, two ends of the bidirectional screw rod are respectively connected with the two connecting seats through a screw nut, the clamping blocks are provided with a pair of sliding grooves which are respectively arranged at the inner sides of the two supporting plates, the inner sides of the clamping blocks are provided with V-shaped grooves, the upper part of the supporting plate is provided with a horizontal sliding groove, the limiting plate is provided with a pair of sliding grooves which are respectively welded at the outer sides of the left sliding groove and the right sliding groove, the inner extending end of the sliding plate is hinged with a pair of connecting rods through rivets, the positioning plate is hinged with the inner extending ends of the connecting rods on the left side and the right side through rivets, a circular positioning hole is formed in the center of the positioning plate, a pair of threaded columns are symmetrically arranged in front of and behind the upper end face of the positioning plate, the guide sleeve and the positioning hole are coaxially arranged and sleeved on the front threaded column and the rear threaded column, and the guide sleeve is locked and installed on the threaded columns through a butterfly nut.
Preferably, a hand wheel is fixedly mounted in the middle of the bidirectional screw rod.
Preferably, the grip block has a friction pad made of rubber adhered to a groove surface thereof.
Preferably, the bottom of backup pad symmetry welding has a pair of articulated seat around, articulated seat is connected with the pull rod of C type through an articulated rod, but pull rod magnetism adsorbs in the outside of respective backup pad.
Preferably, the method for using the auxiliary device for drilling on the cylindrical surface comprises the following steps:
the method comprises the following steps: preparing: firstly, putting a cylinder to be drilled on a group of supporting wheel frames, and marking a drilling position on the upper side of the cylinder to be drilled;
step two: spanning: firstly, the hand wheel is rotated forwards to adjust the distance between the clamping blocks on the left side and the right side to a proper width, and then the whole drilling auxiliary device is spanned on the cylinder to be drilled by the aid of the lifting rod;
step three: clamping: firstly, the clamping blocks on the left side and the right side are just positioned between the cylinders to be drilled by means of the lifting rod, then the hand wheels are reversely rotated, the distance between the clamping blocks on the left side and the right side is adjusted to be small to be proper, and the cylinders to be drilled are firmly clamped by the clamping blocks on the left side and the right side;
step four: positioning: firstly, unscrewing a hand screw, sliding a positioning plate to be right above a drilling position marked on a cylinder to be drilled, and screwing the hand screw;
step five: adaptation: according to the diameter of the head of the handheld drilling machine used in practice, a guide sleeve with a proper hole diameter is selected, then the guide sleeve is sleeved on the front threaded column and the rear threaded column and is locked and fixed through a butterfly nut;
step six: drilling: and then vertically inserting a drilling machine downwards to the positioning hole of the positioning plate, and finally starting the drilling machine to perform drilling operation, wherein the head of the drilling machine is in transition fit or clearance fit with the positioning hole.
The invention has the advantages that: this auxiliary device for drilling on cylindrical surfaces is in practical use: firstly, rotating a hand wheel in a forward direction to adjust the distance between the clamping blocks on the left side and the right side to a proper width, and then spanning the whole drilling auxiliary device on a cylinder to be drilled by using a lifting rod; secondly, the hand wheel is rotated forwards to adjust the distance between the clamping blocks on the left side and the right side to a proper width, and the whole drilling auxiliary device is placed on the cylinder to be drilled in a spanning mode by means of the lifting rod; thirdly, the clamping blocks on the left side and the right side are just positioned between the cylinders to be drilled by means of the lifting rod, the hand wheel is reversely rotated, the distance between the clamping blocks on the left side and the right side is adjusted to be small to be proper, and the cylinders to be drilled are firmly clamped by the clamping blocks on the left side and the right side; loosening the hand-screwed screw, sliding the positioning plate to be right above the drilling position marked on the cylinder to be drilled, and screwing the hand-screwed screw; inserting the drilling machine to the positioning hole of the positioning plate vertically downwards, and finally starting the drilling machine to perform drilling operation, wherein the head of the drilling machine is in transition fit or clearance fit with the positioning hole. Therefore, the auxiliary device for drilling on the cylindrical surface has the characteristics of ingenious design, reasonable structure and convenience in use, and can effectively assist operators holding the handheld drilling machine to accurately drill on the side surface of the cylindrical surface.
Drawings
Fig. 1 is a schematic overall three-dimensional structure of the present invention.
Fig. 2 is a schematic structural diagram of the whole front view of the present invention.
Fig. 3 is a partial three-dimensional structure diagram of the present invention.
Fig. 4 is a schematic structural view of a partial explosion according to the present invention.
Wherein:
1-a support plate; 101-a slipping groove; 2-a connecting seat; 3-a bidirectional screw; 4-lead screw nut; 5-hand wheel; 6-clamping block; 7-a friction pad; 8-a limiting plate; 801-a limit groove; 9-a sliding plate; 10-hand screw; 11-a connecting rod; 12-a positioning plate; 1201-positioning holes; 13-a guide sleeve; 14-a threaded post; 15-butterfly nuts; 16-a hinged seat; 17-a hinged lever; 18-lifting rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, an auxiliary device for drilling a hole on a cylindrical surface comprises a support plate 1, a bidirectional screw 3, a clamping block 6, a limiting plate 8, a positioning plate 12 and a guide sleeve 13, wherein the support plate 1 is provided with a pair of connecting blocks 6 which are symmetrically distributed from left to right, the support plate 1 is vertically arranged, the connecting blocks 2 are welded at the tops of the support plate 1 in the middle, the bidirectional screw 3 is horizontally arranged between the left connecting block 2 and the right connecting block 2, two ends of the bidirectional screw are respectively connected with the two connecting blocks 2 through a screw nut 4, the clamping block 6 is provided with a pair of connecting blocks which are respectively installed at the inner sides of the two support plates 1, a V-shaped groove is arranged at the inner side of the clamping block 6, a horizontal sliding groove 101 is arranged at the upper part of the support plate 1, the limiting plate 8 is provided with a, the sliding plate 9 is in sliding fit with the sliding groove 101, a hand screw 10 is connected to the outer side of the sliding plate 9 in the middle, a pair of connecting rods 11 is hinged to the inward extending end of the sliding plate 9 through a rivet, the positioning plate 12 is hinged to the inward extending ends of the connecting rods 11 on the left side and the right side through a rivet, a circular positioning hole 1201 is formed in the center of the positioning plate 12, a pair of threaded columns 14 are symmetrically arranged in the front and back of the upper end face of the positioning plate 12, the guide sleeve 13 and the positioning hole 1021 are coaxially arranged and sleeved on the front and back threaded columns 14, and the guide sleeve 13 is locked and installed on the threaded columns 14 through a butterfly nut 15.
In this embodiment, a hand wheel 5 is fixedly mounted in the middle of the bidirectional screw rod 3. The bidirectional screw 3 can be easily driven to rotate by rotating the hand wheel 5.
In this embodiment, the grip block 6 has a friction pad 7 made of rubber adhered to a groove surface thereof. Through pasting the friction pad 7, both can avoid because of pressing from both sides tight piece 6 direct with treat drilling cylinder direct contact, and form indentation and fish tail on the surface of treating drilling cylinder, can increase again and press from both sides the frictional resistance when tight piece 6 contacts with treating drilling cylinder originally, promote and press from both sides tight effect.
In this embodiment, a pair of hinge seats 16 are symmetrically welded to the front and the back of the bottom of the supporting plate 1, the hinge seats 16 are connected with a C-shaped lifting rod 18 through a hinge rod 17, and the lifting rod 18 can be magnetically attached to the outer side of the respective supporting plate 1. The entire drilling aid can be conveniently lifted away by hinging the lifting rod 18.
In this embodiment, the method for using the auxiliary device for drilling on the cylindrical surface comprises the following steps:
the method comprises the following steps: preparing: firstly, putting a cylinder to be drilled on a group of supporting wheel frames, and marking a drilling position on the upper side of the cylinder to be drilled;
step two: spanning: firstly, the hand wheel 4 is rotated forwards to adjust the distance between the clamping blocks 6 at the left side and the right side to a proper width, and then the whole drilling auxiliary device is spanned on a cylinder to be drilled by the aid of the lifting rod 18;
step three: clamping: firstly, the clamping blocks 6 on the left side and the right side are just positioned between the cylinders to be drilled by means of the lifting rod 18, then the hand wheel 4 is reversely rotated, the distance between the clamping blocks 6 on the left side and the right side is adjusted to be small to be proper, and the cylinders to be drilled are firmly clamped by the clamping blocks 6 on the left side and the right side;
step four: positioning: firstly, unscrewing the hand screw 10, sliding the positioning plate 12 to be right above the drilling position marked on the cylinder to be drilled, and then screwing the hand screw 10;
step five: adaptation: according to the diameter of the head of a handheld drilling machine used in practice, a guide sleeve 13 with a proper hole diameter is selected, and then the guide sleeve 13 is sleeved on front and rear threaded columns 14 and is locked and fixed through a butterfly nut 15;
step six: drilling: then, the drilling machine is vertically inserted into the positioning hole 1201 of the positioning plate 12, the head of the drilling machine is in transition fit or clearance fit with the positioning hole 1201, and finally the drilling machine is started to perform drilling operation.
In summary, this auxiliary device for drilling holes on a cylindrical surface is in practical use: firstly, the hand wheel 4 is rotated forwards to adjust the distance between the clamping blocks 6 on the left side and the right side to a proper width, and then the whole drilling auxiliary device is spanned on a cylinder to be drilled by the aid of the lifting rod 18; secondly, the hand wheel 4 is rotated forwards to adjust the distance between the clamping blocks 6 on the left side and the right side to a proper width, and the whole drilling auxiliary device is spanned on the cylinder to be drilled by the aid of the lifting rod 18; thirdly, the left and right clamping blocks 6 are just positioned between the cylinders to be drilled by the aid of the lifting rod 18, the space between the left and right clamping blocks 6 is reduced to a proper width by reversely rotating the hand wheel 4, and the cylinders to be drilled are firmly clamped by the left and right clamping blocks 6; loosening the hand-screwed screw 10, sliding the positioning plate 12 to the position right above the drilling position marked on the cylinder to be drilled, and screwing the hand-screwed screw 10; and fifthly, vertically inserting the drilling machine downwards into the positioning hole 1201 of the positioning plate 12, enabling the head of the drilling machine to be in transition fit or clearance fit with the positioning hole 1201, and finally starting the drilling machine to perform drilling operation. Therefore, the auxiliary device for drilling on the cylindrical surface has the characteristics of ingenious design, reasonable structure and convenience in use, and can effectively assist operators holding the handheld drilling machine to accurately drill on the side surface of the cylindrical surface.
The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims (5)

1. An auxiliary device for drilling a cylindrical surface, comprising: including backup pad (1), two-way lead screw (3), press from both sides tight piece (6), limiting plate (8), locating plate (12) and uide bushing (13), backup pad (1) is equipped with a pair of and bilateral symmetry distributes, backup pad (1) vertical setting has connecting seat (2) at its top welding between two connecting seats (2) between the centre, two-way lead screw (3) level is located about and its both ends are connected with two connecting seats (2) through a screw nut (4) respectively, press from both sides tight piece (6) and be equipped with a pair of and install respectively in the inboard of two backup pad (1), the inboard of pressing from both sides tight piece (6) is equipped with V type recess, the upper portion of backup pad (1) is equipped with horizontal sliding groove (101), limiting plate (8) are equipped with a pair of and weld respectively in the outside of two sliding groove (101) about, be equipped with the sliding plate (9) of T type between backup pad (1) and limiting, the sliding plate (9) is in sliding fit with the sliding groove (101), a hand screw (10) is connected to the outer side of the sliding plate (9) in the middle, an inner extending end of the sliding plate (9) is hinged to a pair of connecting rods (11) through rivets, the positioning plate (12) is hinged to inner extending ends of the connecting rods (11) on the left side and the right side through rivets, a circular positioning hole (1201) is formed in the center of the positioning plate (12), a pair of threaded columns (14) are symmetrically arranged in front of and behind the upper end face of the positioning plate (12), the guide sleeve (13) and the positioning hole (1021) are coaxially arranged and sleeved on the front threaded column (14) and the rear threaded column (14), and the guide sleeve (13) is locked and installed on the threaded columns (14) through a butterfly nut (15).
2. A device for assisting the drilling of a cylindrical surface according to claim 1, characterised in that: and a hand wheel (5) is fixedly arranged in the middle of the bidirectional screw rod (3).
3. A device for assisting the drilling of a cylindrical surface according to claim 2, characterised in that: the groove surface of the clamping block (6) is stuck with a friction pad (7) made of rubber.
4. A device for assisting the drilling of a cylindrical surface according to claim 3, characterised in that: the bottom front and back symmetrical welding of backup pad (1) has a pair of articulated seat (16), articulated seat (16) are connected with C type lifting rod (18) through an articulated rod (17), but lifting rod (18) magnetic adsorption in the outside of respective backup pad (1).
5. Use of a device according to claim 4 for drilling a hole in a cylindrical surface, characterized in that: the method comprises the following steps:
the method comprises the following steps: preparing: firstly, putting a cylinder to be drilled on a group of supporting wheel frames, and marking a drilling position on the upper side of the cylinder to be drilled;
step two: spanning: firstly, the hand wheel (4) is rotated forwards to adjust the distance between the clamping blocks (6) at the left side and the right side to a proper width, and then the whole drilling auxiliary device is spanned on a cylinder to be drilled by the aid of the lifting rod (18);
step three: clamping: firstly, the clamping blocks (6) on the left side and the right side are just positioned between the cylinders to be drilled by means of the lifting rod (18), then the hand wheels (4) are reversely rotated, the distance between the clamping blocks (6) on the left side and the right side is adjusted to be small to be proper, and the cylinders to be drilled are firmly clamped by the clamping blocks (6) on the left side and the right side;
step four: positioning: firstly unscrewing a hand screw (10), sliding a positioning plate (12) to be right above a drilling position marked on a cylinder to be drilled, and then screwing the hand screw (10);
step five: adaptation: according to the diameter of the head of a handheld drilling machine used practically, a guide sleeve (13) with a proper hole diameter is selected, and then the guide sleeve (13) is sleeved on front and rear threaded columns (14) and is locked and fixed through a butterfly nut (15);
step six: drilling: and then vertically inserting the drilling machine downwards into the positioning hole (1201) of the positioning plate (12), and finally starting the drilling machine to perform drilling operation, wherein the head of the drilling machine is in transition fit or clearance fit with the positioning hole (1201).
CN202011346823.1A 2020-11-26 2020-11-26 Auxiliary device for drilling on cylindrical surface Active CN112475371B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011346823.1A CN112475371B (en) 2020-11-26 2020-11-26 Auxiliary device for drilling on cylindrical surface

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Application Number Priority Date Filing Date Title
CN202011346823.1A CN112475371B (en) 2020-11-26 2020-11-26 Auxiliary device for drilling on cylindrical surface

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CN112475371A true CN112475371A (en) 2021-03-12
CN112475371B CN112475371B (en) 2022-02-18

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004110687A1 (en) * 2003-06-10 2004-12-23 Davis Robert L Doweling jig for woodworking
CN2680391Y (en) * 2004-03-03 2005-02-23 宋爱平 Universal drill jig
CN206083943U (en) * 2016-10-27 2017-04-12 山东科技大学 Tubular product panel drilling clamping positioning device
CN207414432U (en) * 2018-03-20 2018-05-29 湖北沛函建设有限公司 Build square tube center line drilling auxiliary guide mechanism
CN208276234U (en) * 2018-05-31 2018-12-25 宿迁知芃智能科技有限公司 A kind of square tube punching positioning device
CN109590515A (en) * 2018-11-09 2019-04-09 天津航空机电有限公司 A kind of modular combination boring bar tool
CN111633246A (en) * 2020-05-19 2020-09-08 万彦斌 Steel pipe drilling auxiliary positioning device for building site
CN212599131U (en) * 2020-06-24 2021-02-26 成都森博精密机械有限公司 Special trompil jig of multi-functional leading edge rib

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004110687A1 (en) * 2003-06-10 2004-12-23 Davis Robert L Doweling jig for woodworking
CN2680391Y (en) * 2004-03-03 2005-02-23 宋爱平 Universal drill jig
CN206083943U (en) * 2016-10-27 2017-04-12 山东科技大学 Tubular product panel drilling clamping positioning device
CN207414432U (en) * 2018-03-20 2018-05-29 湖北沛函建设有限公司 Build square tube center line drilling auxiliary guide mechanism
CN208276234U (en) * 2018-05-31 2018-12-25 宿迁知芃智能科技有限公司 A kind of square tube punching positioning device
CN109590515A (en) * 2018-11-09 2019-04-09 天津航空机电有限公司 A kind of modular combination boring bar tool
CN111633246A (en) * 2020-05-19 2020-09-08 万彦斌 Steel pipe drilling auxiliary positioning device for building site
CN212599131U (en) * 2020-06-24 2021-02-26 成都森博精密机械有限公司 Special trompil jig of multi-functional leading edge rib

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