CN107486740A - A kind of bump joint processes dedicated positioning device - Google Patents

A kind of bump joint processes dedicated positioning device Download PDF

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Publication number
CN107486740A
CN107486740A CN201710781408.0A CN201710781408A CN107486740A CN 107486740 A CN107486740 A CN 107486740A CN 201710781408 A CN201710781408 A CN 201710781408A CN 107486740 A CN107486740 A CN 107486740A
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CN
China
Prior art keywords
rotating shaft
pull bar
bump joint
motor
positioning
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710781408.0A
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Chinese (zh)
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CN107486740B (en
Inventor
邹凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cheng Jian Flange Manufacturing Co Ltd Of Suzhou City
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Individual
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Priority to CN201710781408.0A priority Critical patent/CN107486740B/en
Publication of CN107486740A publication Critical patent/CN107486740A/en
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Publication of CN107486740B publication Critical patent/CN107486740B/en
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Classifications

    • 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
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • 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
    • 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
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment
    • B23Q16/04Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
    • B23Q16/06Rotary indexing

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

Abstract

The present invention relates to technical field of tooling clamps, disclose a kind of bump joint processing dedicated positioning device, including bottom plate, the both sides of bottom plate are provided with supporting plate, substrate is provided between the upper end of two pieces of supporting plates, the center of substrate is provided with rotating disc, the end face center of rotating disc is provided with positioning tube, the bottom center of rotating disc is provided with rotating shaft, the same cross-section in upper end of positioning tube is at least provided with three through holes, sliding pin is provided with through hole, pull bar is provided with positioning tube, pull bar is formed with axis hole through axis hole and is slidably connected, the upside that the upper end of pull bar is located at locating dowel is provided with annular boss, the downside of annular boss is round table surface, the lower end of pull bar is stretched out outside rotating shaft, bottom plate is provided with cylinder, the shaft end of cylinder and the lower end of pull bar connect;The top surface of rotating disc is provided with annular escape groove, and the lower end of rotating shaft is provided with indexing mechanism.The present invention has the low beneficial effect of positioning convenience, bump joint Drilling operation efficiency high, processing cost.

Description

A kind of bump joint processes dedicated positioning device
Technical field
The present invention relates to technical field of tooling clamps, more particularly to a kind of bump joint processing dedicated positioning device.
Background technology
In industries such as fuel gas transmission, electric power, water conservancy, petrochemical industries, it is required for using pipeline transportation, bump joint is as company A kind of standard component in adapter road, valve or other equipment facility, application are quite varied.The structure of flange is in circumferencial direction Uniform N number of bolt hole, the bump joint as shown in Fig. 1 and Figure 10, including connecting tube, the flange for being located at connecting tube both ends, flange Six connecting holes are evenly equipped with circumferencial direction, connecting hole drills to be formed by drilling machine, in use, the flange difference at connecting tube both ends It is connected with the flange on two sections of pipelines by bolt, nut.Bump joint is in manufacturing process, it is necessary to pass through drilling machine on flange Drilling, need to position flange during drilling, currently in order to ensuring the precision of connecting hole, the connecting hole on flange is usual at present Bore operation is carried out by numerical control drilling machine, i.e., after bump joint is positioned, multiple diverse locations are realized by the movement of drill bit Connect hole machined, by manually unloading bump joint after the flange drilling of one end, after bump joint is turned around again with positioning fixture Position, then numerical control drilling machine once takes out bump joint afterwards in processing, so as to realize the connection hole machined of bump joint.It is although logical The connection hole precision crossed on numerical control drilling machine processing flange is very high, but numerical control drilling machine cost is high, and bump joint needs repeatedly Dismounting, seriously reduces processing efficiency.
The content of the invention
The present invention is in order to solve the problems, such as that the connecting hole processing efficiency on bump joint of the prior art is low, there is provided one Kind bump joint processing dedicated positioning device, by this kind of positioner, the positioning of bump joint, unload very quick side Just, so as to greatly improving the processing efficiency of bump joint.
To achieve these goals, the present invention adopts the following technical scheme that:
A kind of bump joint processes dedicated positioning device, including bottom plate, the both sides of the bottom plate are provided with supporting plate, two pieces of supporting plates Upper end between be provided with substrate, the center of the substrate is provided with rotating disc, and the end face center of the rotating disc is provided with positioning tube, institute The bottom center for stating rotating disc is provided with rotating shaft, and described rotating shaft is connected with substrate rotating through passing perpendicularly through substrate, the rotating shaft It is interior described at least provided with three through holes provided with the axis hole connected with positioning tube, the same cross-section in upper end of the positioning tube Sliding pin is provided with through hole, two end faces of the sliding pin are sphere, and the length of sliding pin is more than the axial depth of through hole, described fixed Pull bar is provided with the cylinder of position, described pull bar is formed with axis hole through axis hole and is slidably connected, and the upper end of the pull bar is located at locating dowel Upside be provided with annular boss, the downside of the annular boss is round table surface, and the lower end of the pull bar is stretched out outside rotating shaft, described Bottom plate be provided with cylinder, the shaft end of the cylinder and the lower end of pull bar connect;The top surface of the rotating disc is provided with annular and avoided Groove, the lower end of the rotating shaft are provided with indexing mechanism.
The positioner is arranged on common drilling machine, the workbench connection of bottom plate and drilling machine, cylinder shaft end is stretched out, The part of connecting tube on bump joint is enclosed on to the outside of positioning tube, the flange of connecting tube lower end and the end contact of rotating disc Support, the shaft end retraction of cylinder drive pull bar to decline, and the annular boss on pull bar is pressed on the inner sphere of sliding pin, outside sliding pin End is stretched out to abut with the inwall of connecting tube, so as to which bump joint be positioned;Drill bit on drilling machine is moved to be punctured on flange Position, drill bit declines carries out drilling operation on the flange of connecting tube upper end, and drill bit continues to decline after passing through flange above, so The flange of connecting tube lower end is punched afterwards, drill bit rises and is kept completely separate with flange after punching, and indexing mechanism drives rotating disc Rotate after an angle and position, drill bit declines drilling row drilling operation, circulates successively, realizes the drilling on flange, on flange After punching, cylinder shaft end rises, and then takes out bump joint;The flange drilling at bump joint both ends is synchronously carried out, bump joint Connection with positioner, unload very convenient, greatly improve the Drilling operation efficiency of bump joint, and pass through this Frock can be used cooperatively with common driller, be can be achieved with processing without special numerical control drilling machine, reduced processing cost.
Preferably, the side wall of the positioning tube is located at the same cross-section of the lower section of through hole at least provided with three auxiliary Positioning hole, auxiliary positioning pin is provided with the auxiliary positioning hole, is slidably connected between auxiliary positioning pin and auxiliary positioning hole, it is described Two end faces of auxiliary positioning pin are sphere, and the top on the pull bar positioned at auxiliary positioning pin is provided with slip ring, described cunning It is slidably connected between ring and pull bar, the upside of the slip ring is provided with position limiting convex ring, and pressure is provided between the slip ring and position limiting convex ring Spring, the downside of the slip ring is round table surface.Auxiliary positioning pin plays auxiliary positioning effect, it is ensured that the axis of bump joint is with determining The axis coaxle of position cylinder, reduces axial runout, improves positioning precision and position stability.
Preferably, the through hole, the outer end in auxiliary positioning hole are equipped with annular necking.Annular necking causes sliding pin, auxiliary To help the outer end of alignment pin can exceed positioning tube surface, and and can prevents sliding pin, auxiliary positioning pin from dropping out.
Preferably, the upper end of the positioning tube is provided with end cap, it is threadedly coupled between described end cap and positioning tube, it is described The top surface of end cap is the conical surface.Guide effect is played in positioning of the conical surface to bump joint on end cap.
Preferably, the outside that the downside of the substrate is located at rotating shaft is provided with bearing block, described bearing block and rotating shaft Between be provided with bearing, the outside that the end face center of the substrate is located at rotating shaft is provided with thrust bearing, and described rotating shaft passes through thrust Bearing.
Preferably, described indexing mechanism includes index dial, driving lever, motor, described index dial is coaxially solid with rotating shaft Fixed connection, the downside edge of the index dial are uniformly provided with some limited posts, and one end of the driving lever is provided with long slot bore, institute The rotating shaft stated passes through long slot bore, and the other end of the driving lever is provided with gap slot, and described bottom plate is provided with motor cabinet, described electricity Machine is fixedly connected with motor cabinet, and the position on the driving lever between long slot bore and gap slot is provided with connecting pole, the connection Linking arm is provided between post and motor shaft, one end and the connecting pole of the linking arm are rotatablely connected, the other end of the linking arm It is fixedly connected with the shaft end of motor.The shaft end rotation of motor, so as to drive linking arm to rotate one week, cursor is rotated one week and realized Driving lever stirs limited post, the motion process coordinated with spacing post separation, with next limited post, and motor rotates one week, index dial Nominal angle is rotated, distributing disc drives rotating shaft(Rotating disc)Specified angle is turned over, then drill bit is drilled, and hole position precision is non- Chang Gao, processed with a collection of bump joint, hole position precision uniformity is high, and crudy is good.
Preferably, the openend both sides of the gap slot are provided with guiding surface.Guiding surface plays guide effect.
Preferably, the bottom of the gap slot is provided with proximity transducer, described bottom plate is provided with controller, described Proximity transducer, motor are connected with controller, and described bottom plate is provided with motor push button, press motor push button, and motor rotates, When proximity transducer detects signal, motor automatic stop rotates.
Preferably, the limited post on the index dial is four or six.Need to bore four Kong Ze uses on flange The index dial of four limited posts on flange, it is necessary to bore six holes, then using the index dial of six limited posts.
Therefore, the present invention has the low beneficial effect of positioning convenience, bump joint Drilling operation efficiency high, processing cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the sectional view of figure.
Fig. 3 is close-up schematic view at A in Fig. 2.
Fig. 4 is close-up schematic view at B in Fig. 2.
Fig. 5 is positioning states schematic diagram when index dial is in flange drilling.
Fig. 6 is the view that motor rotates after 90 degree in Fig. 4.
Fig. 7 is the view that motor rotates after 90 degree in Fig. 5.
Fig. 8 is the view that motor rotates after 90 degree in Fig. 6.
Fig. 9 is that motor turns over the view after 90 degree in Fig. 7.
Figure 10 is the end view after bump joint Drilling operation.
In figure:Bottom plate 1, supporting plate 2, substrate 3, rotating disc 4, annular escape groove 40, positioning tube 5, through hole 50, annular necking 501st, sliding pin 51, auxiliary positioning pin 52, rotating shaft 6, bearing block 7, bearing 8, thrust bearing 9, pull bar 10, annular boss 100, slip ring 101st, position limiting convex ring 102, stage clip 103, cylinder 11, end cap 12, index dial 13, driving lever 14, long slot bore 140, gap slot 141, connect Nearly sensor 142, motor 15, limited post 16, motor cabinet 17, connecting pole 18, linking arm 19, controller 20, motor push button 21, method Blue joint 22, connecting tube 220, flange 221, drill bit 23.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description:
A kind of bump joint processing dedicated positioning device as depicted in figs. 1 and 2, including bottom plate 1, the both sides of bottom plate are provided with support Plate 2, substrate 3 is provided between the upper end of two pieces of supporting plates, the center of substrate is provided with rotating disc 4, and the end face center of rotating disc is provided with Positioning tube 5, the bottom center of rotating disc are provided with rotating shaft 6, and rotating shaft passes perpendicularly through substrate and is connected with substrate rotating, the downside of substrate Bearing block 7 is provided with positioned at the outside of rotating shaft, bearing 8 is provided between bearing block and rotating shaft, the end face center of substrate is located at rotating shaft Outside is provided with thrust bearing 9, and rotating shaft passes through thrust bearing;
The axis hole connected with positioning tube is provided with rotating shaft.
As shown in figure 3, the same cross-section in the upper end of positioning tube 5, at least provided with three through holes 50, through hole is interior to be provided with sliding pin 51, two end faces of sliding pin are sphere, and the length of sliding pin is more than the axial depth of through hole, is provided with pull bar 10 in positioning tube, draws Bar is slidably connected through the formation of axis hole and axis hole, and the upside that the upper end of pull bar is located at locating dowel is provided with annular boss 100, convex annular The downside of platform is round table surface, and the lower end of pull bar is stretched out outside rotating shaft, and bottom plate is provided with cylinder 11, under the shaft end and pull bar of cylinder End connection;The top surface of rotating disc 4 is provided with annular escape groove 40;The side wall of positioning tube is located at the same cross-section of the lower section of through hole At least provided with three auxiliary positioning holes, be provided with auxiliary positioning pin 52 in auxiliary positioning hole, auxiliary positioning pin and auxiliary positioning hole it Between be slidably connected, two end faces of auxiliary positioning pin are sphere, and through hole, the outer end in auxiliary positioning hole are equipped with annular necking 501;Top on pull bar 10 positioned at auxiliary positioning pin is provided with slip ring 101, is slidably connected between slip ring and pull bar, the upside of slip ring Provided with position limiting convex ring 102, stage clip 103 is provided between slip ring and position limiting convex ring, the downside of slip ring is round table surface;Positioning tube 5 Upper end is provided with end cap 12, is threadedly coupled between end cap and positioning tube, and the top surface of end cap is the conical surface, and the lower end of rotating shaft is provided with dividing engine Structure.
As shown in Figure 1 and Figure 5, indexing mechanism includes index dial 13, driving lever 14, motor 15, and index dial is coaxially solid with rotating shaft Fixed connection, the downside edge of index dial are uniformly provided with some limited posts 16, and the limited post on index dial is four or six, Need to bore six holes on flange in the present embodiment, therefore the limited post on index dial uses six;One end of driving lever 14 is provided with Long slot bore 140, rotating shaft pass through long slot bore, and the other end of driving lever is provided with gap slot 141, and the openend both sides of gap slot, which are provided with, to be oriented to Inclined-plane, bottom plate are provided with motor cabinet 17, and motor is fixedly connected with motor cabinet, as shown in figure 4, being located at long slot bore and breach on driving lever Position between groove is provided with connecting pole 18, and linking arm 19, one end of linking arm and connecting pole are provided between connecting pole and motor shaft Rotation connection, the other end of linking arm are fixedly connected with the shaft end of motor;The bottom of gap slot 141 is provided with proximity transducer 142, Bottom plate is provided with controller 20, and proximity transducer, motor are connected with controller, and bottom plate is provided with motor push button 21, presses electricity Machine button, motor rotates, and when proximity transducer detects signal, motor automatic stop rotates.
With reference to accompanying drawing, application method of the invention is as follows:The positioner is arranged on common drilling machine, bottom plate is with boring The workbench connection of bed, cylinder shaft end are stretched out, and the part of the connecting tube 220 on bump joint 22 is enclosed on into the outer of positioning tube Side, the flange 221 of connecting tube lower end support with the end contact of rotating disc, and the shaft end retraction of cylinder 11 drives pull bar to decline, and draws Annular boss on bar is pressed on the inner sphere of sliding pin, and slip ring is pressed on auxiliary positioning pin, sliding pin, the outer end of auxiliary positioning pin Stretching abuts with the inwall of connecting tube, and so as to which bump joint be positioned completely, positioning states are as shown in Figure 2;
Drill bit 23 on drilling machine is moved to position to be punctured on flange, and drill bit declines to be beaten on the flange of connecting tube upper end Hole operation, drill bit continues to decline, then the flange of connecting tube lower end is punched after passing through flange above, during drilling, point The state of scale and driving lever is as shown in figure 5, now motor is in halted state, and drill bit rises and is kept completely separate with flange after punching; A motor push button is pressed manually, motor driven linking arm circles, as shown in fig. 6, drive driving lever to rotate when motor rotates, so as to The limited post for being will be marked in Fig. 5 to stirring clockwise, with the rotation of linking arm, gap slot and the spacing post separations of X, then Turn to the latter to be labeled as at Y limited post, as shown in Figure 7 and Figure 8, gap slot is caught in Y limited posts, and motor is rotated further To the position shown in Fig. 9(Just turn over one week), now Y limited posts be moved to the position of X limited posts in Fig. 5, Y limited posts are close The bottom of gap slot, proximity transducer are stopped operating after detecting signal by controller controlled motor, then drill bit decline into Row bore operation, so circulation, are all processed, the flange obtained after processing in Figure 10 connects until by six connecting holes on flange Head.This kind of frock directly can coordinate with common driller processes, and when hole machined is connected on flange, the position of drill bit need not adjust Whole, without hole position mark line is drawn in advance on flange, bump joint turns just can directly punch after preparing, bump joint both ends Flange synchronously punch, hole position precision is high, and drilling efficiency is high;And the connection of flange and positioning tube, unload it is very convenient.

Claims (9)

1. a kind of bump joint processes dedicated positioning device, including bottom plate, the both sides of the bottom plate are provided with supporting plate, two pieces of supports Substrate is provided between the upper end of plate, it is characterized in that, the center of the substrate is provided with rotating disc, and the end face center of the rotating disc is set There is positioning tube, the bottom center of the rotating disc is provided with rotating shaft, and described rotating shaft passes perpendicularly through substrate and is connected with substrate rotating, institute State the axis hole for being provided with rotating shaft and being connected with positioning tube, the same cross-section in upper end of the positioning tube at least provided with three through holes, Sliding pin is provided with described through hole, two end faces of the sliding pin are sphere, and the length of sliding pin is more than the axial depth of through hole, Pull bar is provided with the positioning tube, described pull bar is formed with axis hole through axis hole and is slidably connected, and the upper end of the pull bar is located at The upside of locating dowel is provided with annular boss, and the downside of the annular boss is round table surface, and rotating shaft is stretched out in the lower end of the pull bar Outside, described bottom plate is provided with cylinder, and the shaft end of the cylinder and the lower end of pull bar connect;The top surface of the rotating disc is provided with ring Shape escape groove, the lower end of the rotating shaft are provided with indexing mechanism.
2. a kind of bump joint processing dedicated positioning device according to claim 1, it is characterized in that, the side of the positioning tube Wall is located at the same cross-section of the lower section of through hole at least provided with three auxiliary positioning holes, and auxiliary is provided with the auxiliary positioning hole Alignment pin, it is slidably connected between auxiliary positioning pin and auxiliary positioning hole, two end faces of the auxiliary positioning pin are sphere, institute State the top on pull bar positioned at auxiliary positioning pin and be provided with slip ring, be slidably connected between described slip ring and pull bar, the slip ring Upside is provided with position limiting convex ring, stage clip is provided between the slip ring and position limiting convex ring, the downside of the slip ring is round table surface.
3. a kind of bump joint processing dedicated positioning device according to claim 2, it is characterized in that, the through hole, auxiliary The outer end of positioning hole is equipped with annular necking.
4. a kind of bump joint processing dedicated positioning device according to claim 1 or 2, it is characterized in that, the positioning tube Upper end be provided with end cap, be threadedly coupled between described end cap and positioning tube, the top surface of the end cap is the conical surface.
5. a kind of bump joint processing dedicated positioning device according to claim 1, it is characterized in that, the downside of the substrate The outside that face is located at rotating shaft is provided with bearing block, and bearing, the end face center of the substrate are provided between described bearing block and rotating shaft Thrust bearing is provided with positioned at the outside of rotating shaft, described rotating shaft passes through thrust bearing.
6. a kind of bump joint processing dedicated positioning device according to claim 1 or 5, it is characterized in that, described indexing Mechanism includes index dial, driving lever, motor, and described index dial is fixedly and coaxially connected with rotating shaft, the downside side of the index dial Some limited posts are uniformly provided with edge, one end of the driving lever is provided with long slot bore, and described rotating shaft passes through long slot bore, the driving lever The other end be provided with gap slot, described bottom plate is provided with motor cabinet, and described motor is fixedly connected with motor cabinet, the driving lever The upper position between long slot bore and gap slot is provided with connecting pole, and linking arm, institute are provided between the connecting pole and motor shaft The one end and connecting pole for stating linking arm are rotatablely connected, and the other end of the linking arm is fixedly connected with the shaft end of motor.
7. a kind of bump joint processing dedicated positioning device according to claim 6, it is characterized in that, the gap slot is opened Mouth end both sides are provided with guiding surface.
8. a kind of bump joint processing dedicated positioning device according to claim 6, it is characterized in that, the bottom of the gap slot Portion is provided with proximity transducer, and described bottom plate is provided with controller, and described proximity transducer, motor are connected with controller, Described bottom plate is provided with motor push button, presses motor push button, and motor rotates, when proximity transducer detects signal, motor It is automatically stopped rotation.
9. a kind of bump joint processing dedicated positioning device according to claim 6, it is characterized in that, on the index dial Limited post is four or six.
CN201710781408.0A 2017-09-01 2017-09-01 A kind of bump joint processing dedicated positioning device Active CN107486740B (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111975280A (en) * 2020-08-28 2020-11-24 李东亮 Be applied to welding jig of pipeline on condensate pump top cover
CN113579877A (en) * 2021-06-25 2021-11-02 北京精密机电控制设备研究所 Small-diameter flange part planet hole grinding tool and method
CN113983890A (en) * 2021-10-30 2022-01-28 郭洪立 Quality detection equipment for building engineering supervision
CN115502442A (en) * 2022-11-23 2022-12-23 山东鲁润塑业股份有限公司 Well lid drilling equipment

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CN106584147A (en) * 2016-11-29 2017-04-26 成都嘉新特种精密铸造有限公司 Novel drilling and clamping device for flange plate
CN206241311U (en) * 2016-12-09 2017-06-13 无锡银联齿轮传动机械有限公司 Swelling drilling equipment in self-centering
CN107052861A (en) * 2017-04-14 2017-08-18 昆山冠品优精密机械有限公司 Quick-clamping detent mechanism

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Publication number Priority date Publication date Assignee Title
RO106688B1 (en) * 1989-10-09 1993-06-30 Inst Polt Asachi Autocentered mandrel with smooth elastic sleeve and balls, with mechanised drive
CN204018781U (en) * 2014-06-18 2014-12-17 鄂州万利机械有限公司 A kind of multistation valve flange drilling equipment
CN205147883U (en) * 2015-12-08 2016-04-13 新昌县武鹏机械有限公司 Clamp for drilling hole in flange plate
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111975280A (en) * 2020-08-28 2020-11-24 李东亮 Be applied to welding jig of pipeline on condensate pump top cover
CN113579877A (en) * 2021-06-25 2021-11-02 北京精密机电控制设备研究所 Small-diameter flange part planet hole grinding tool and method
CN113579877B (en) * 2021-06-25 2022-10-14 北京精密机电控制设备研究所 Small-diameter flange part planet hole grinding tool and method
CN113983890A (en) * 2021-10-30 2022-01-28 郭洪立 Quality detection equipment for building engineering supervision
CN115502442A (en) * 2022-11-23 2022-12-23 山东鲁润塑业股份有限公司 Well lid drilling equipment

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