CN203281921U - Porous double-row-drill numerical control machine tool for drilling drum-type brake pad - Google Patents
Porous double-row-drill numerical control machine tool for drilling drum-type brake pad Download PDFInfo
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- CN203281921U CN203281921U CN201320285195XU CN201320285195U CN203281921U CN 203281921 U CN203281921 U CN 203281921U CN 201320285195X U CN201320285195X U CN 201320285195XU CN 201320285195 U CN201320285195 U CN 201320285195U CN 203281921 U CN203281921 U CN 203281921U
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Abstract
The utility model discloses a porous double-row-drill numerical control machine tool for a drilling drum-type brake pad. The machine tool is characterized by comprising a rack, a bed plate, a brake pad mould, multiple drilling power heads and a numerical control cabinet, wherein the multiple drilling power heads are respectively fixed on the front surface or rear surface of the bed plate and are divided into front and rear rows; the brake pad mould is arranged on the rack panel through a connection plate and is provided with a workpiece clamp for clamping and fixing the drum-type brake pad to be processed; two surfaces of the bed plate are respectively provided with at least three concentric arc grooves for fixing and adjusting the drilling power heads, the arc groove in the middle is an adjusting ring for adjusting the positions of the drilling power heads, and arc grooves at two sides of the adjusting ring are T-shaped grooves for fixing the drilling power heads. According to the utility model, the two rows of drilling power heads are used so as to enable the included angle of rivet clasp hole axes in simultaneous drilling processing to be less than 5.5 degrees. The porous double-gang-drill numerical control machine tool can be suitable for drilling of various brake pads with small inter-hole angles and complicated inter-hole spacing in Europe and America.
Description
Technical field
The utility model relates to mechanical processing machine, is the double brill Digit Control Machine Tool of a kind of porous for the drilling drum-type brake pad specifically.
Background technology
Drum-type brake pad is asymmetric arc shape, simultaneously need to get out many rows rivet clasp hole at it as requested, the rivet clasp hole divides the depth of different pore size two-layer, the requirement contraposition is accurate, and the axis angle between adjacent rivet clasp hole may be little to 5 degree left and right, as seen, process the general drilling machine of these rivet clasp holes uses not only fixture be difficult to supporting, precision is difficult to assurance, and working (machining) efficiency can be very low.
Summary of the invention
Technical problem to be solved in the utility model is to provide the double brill Digit Control Machine Tool of a kind of porous for the drilling drum-type brake pad, significantly improve the working (machining) efficiency of drum-type brake pad, and precision machining, but time processing goes out the little rivet clasp hole to 5 degree of axis angle between adjacent holes.
The double brill Digit Control Machine Tool of described porous for the drilling drum-type brake pad is characterized in that: comprise frame, seat board, friction plate mold, drilling power head, numerical control tank; Described seat board is vertical state and with described frame, fixes, described drilling power head has a plurality of, divide forward and backward two rows to be individually fixed in front, the back of described seat board, described frame level is fixedly installed framework panel, described friction plate mold is located on described framework panel by connecting plate, and described friction plate mold is provided with the work piece holder be used to the drum-type brake pad to be processed that is fixedly clamped; Described seat board two sides respectively is provided with at least three isocentric circular arc grooves that are used for fixing and adjusting described drilling power head, a middle described arc groove is for being used for adjusting the adjustment ring of drilling power head position, and the arc groove of described adjustment ring both sides is for being used for the fixedly T-shaped groove of drilling power head.
As a kind of prioritization scheme, each described drilling power head is provided with independently bore motor, propelling cylinder, fine-tune positioning device and composite drill bit, described bore motor is arranged on the power headstock of end, be provided with the travel settings screw rod on the motor extension bar, be provided with setscrew nut in propelling cylinder, described setscrew nut is placed in the stroke of the described drilling power head of different gear adjusted of described travel settings screw rod.
As a kind of prioritization scheme, one end of described adjustment ring is provided with sector gear, described sector gear and the output engagement of being fixed in the manual gear case on seat board, be provided with worm and gear in described manual gear case and adjust transmission device, make the described manual gear case of adjusting promote described adjustment ring the position of described drilling power head is set.
As a kind of prioritization scheme, described work piece holder is the steel band of arc, and an end of steel band is fixed with an end of being located at the fixture hydraulic cylinder on described friction plate mold, and described steel band is used for by the fixture hydraulic cylinder Work-sheet pressing at described friction plate mold.
As a kind of prioritization scheme, be provided with servomotor below the framework panel of described frame, described servomotor drives main shaft by electrical machine belt pulley and rotates, the other end of described main shaft is established threaded connecting plate by the secondary promotion of ball screw and is moved forward and backward, and makes workpiece to be processed correspondence front and back two rows' described drilling power head Working positions.
As a kind of prioritization scheme, be provided with deduster below the framework panel of described frame, the entrance of described deduster is connected with framework panel, and the side of frame is located in outlet, is used at any time the processing break flour of framework panel being pumped out.
As a kind of prioritization scheme, be provided with backing plate between the two ends of described seat board and described framework panel, the both ends of the surface of described seat board are connected with described backing plate by screw, are used for adjusting the angular deviation of described seat board.
The utility model uses two row hole drilling unit heads, makes the rivet clasp axially bored line angle of Drilling operation simultaneously, less than 5.5 degree, can use the drilling power head of quarter butt, the impact of the drilling power head position that is not arranged side by side; Use the steel band fixture can once clamp two drum-type brake pads and process at one time the processing in rivet clasp hole on it; Can adapt to that American-European truck sheet is wide in variety, the drilling of little, the complicated pitch of holes of angle between hole.Machining accuracy is high, efficiency is high, and easy to operation.
Description of drawings
Fig. 1 is drilling machine overall structure front view of the present utility model,
Fig. 2 is the right view of Fig. 1,
Fig. 3 be in Fig. 1 A-A to view,
Fig. 4 is the structural representation of drilling power head.
in figure: 1-drilling power head, 2-T-shaped groove, 3-adjustment ring, 4-seat board, 5-manual gear case, 6-friction plate mold, 7-connecting plate, 8-backing plate, 9-framework panel, 10-ball nut mount, 11-frame, 12-motor rack, 13-electrical machine belt pulley, 14-cover plate, 15-servomotor, 16-main shaft, 17-deduster, 18-work piece holder, 19-fixture hydraulic cylinder, 20-main shaft bearing, 21-bearing block, 22-tank cover, 23-take out the dirt pipe, 24-screw mandrel guard shield is taken out door, 26-ball screw is secondary, 27-leg, 28-bore motor, 29-fine-tune positioning device, 30-propelling cylinder, 31-setscrew nut, 32-composite drill bit.
The specific embodiment
The present invention is further described below in conjunction with accompanying drawing: as shown in Fig. 1～3, the double brill Digit Control Machine Tool of described porous for the drilling drum-type brake pad, comprise frame 11, seat board 4, friction plate mold 6, drilling power head 1, numerical control tank; Described seat board 4 is vertical state and fixing with described frame 11, described drilling power head 1 has a plurality of, divide forward and backward two rows to be individually fixed in front or the back of described seat board 4, described frame 11 levels are fixedly installed framework panel 9, described friction plate mold 6 is located on described framework panel 9 by connecting plate 7, and described friction plate mold 6 is provided with the work piece holder 18 be used to the drum-type brake pad to be processed that is fixedly clamped; Described seat board 4 two sides respectively are provided with at least three isocentric circular arc grooves that are used for fixing and adjusting described drilling power head 1, a middle described arc groove is for being used for adjusting the adjustment ring 3 of drilling power head position, and the arc groove of described adjustment ring 3 both sides is for being used for the fixedly T-shaped groove 2 of drilling power head.It should be noted that according to the different user of converted products and must select suitable mold seat and mold.
As a kind of prioritization scheme, as shown in Figure 4, each described drilling power head 1 is provided with independently bore motor 28, propelling cylinder 29, fine-tune positioning device 29 and composite drill bit 32, described bore motor 28 is arranged on the power headstock of end, be provided with the travel settings screw rod on the motor extension bar, be provided with setscrew nut 31 in propelling cylinder 29, described setscrew nut 31 is placed in the stroke of the described drilling power head 1 of different gear adjusted of described travel settings screw rod.In a kind of embodiment, the stroke of oil cylinder fine setting total amount is 3mm, and total range is 35mm.Composite drill bit can once get out the depth rivet clasp hole of satisfactory two-layer different pore size.
As a kind of prioritization scheme, as Fig. 1, one end of described adjustment ring 3 is provided with sector gear, described sector gear and the output engagement of being fixed in the manual gear case 5 on seat board 4, be provided with worm and gear in described manual gear case 5 and adjust transmission device, make the described manual gear case 5 of adjusting promote described adjustment rings 3 position of described drilling power head 1 is set.
As a kind of prioritization scheme, as Fig. 1, described work piece holder 18 is the steel band of arc, and an end of steel band is fixed with an end of being located at the fixture hydraulic cylinder 19 on described friction plate mold 6, and described steel band is used for by fixture hydraulic cylinder 19 Work-sheet pressing at described friction plate mold 6.
As a kind of prioritization scheme, as Fig. 2, be provided with servomotor 15 below the framework panel 9 of described frame 11, described servomotor 15 drives main shaft 16 by electrical machine belt pulley 13 and rotates, the other end of described main shaft 16 promotes to establish threaded connecting plate 7 by ball screw secondary 26 and moves forward and backward, and makes workpiece to be processed correspondence front and back two rows' described drilling power head Working positions.
As a kind of prioritization scheme,, as Fig. 2, be provided with deduster 17 below the framework panel 9 of described frame 11, the entrance of described deduster is connected with framework panel 9, and the side of frame 11 is located in outlet, is used at any time the processing break flour of framework panel 9 being pumped out.Take out the dirt interface, dust pollution working environment and the problem that affects operator's health while having reduced to greatest extent machine work.
As a kind of prioritization scheme,, as Fig. 1, be provided with backing plate 8 between the two ends of described seat board 4 and described framework panel 9, the both ends of the surface of described seat board 4 are connected with described backing plate 8 by screw, are used for adjusting the angular deviation of described seat board.The levelness of the fine-tuning machine of parallels is adjusted in damping.
Embodiment of the present utility model is furnished with the hydraulic power head that 16 covers work alone, and there are 10 unit heads at front row, and rear row has 6 unit heads, and its position can utilize the hand-gear case to regulate very easily.Have independently electric control system, adopt the button centralized Control, can realize adjusting (manually), the working method such as automatic, realized automated production fully.Equipment operating is simple, and is easy to maintenance, improved widely borehole accuracy and production efficiency, reduced production cost.
At first, according to the different conditions that clamps mold and workpiece, determine presetting cutter method.
1) for the clamping mold of making bottom outlet, can carry out tool setting with its bottom outlet, its method is: at first with reference to the numerical control device explanation, with the appended manual setter of equipment, size to starter hole is proofreaied and correct with respect to the position of equipment, and while making drilling rod descending, drill bit can be inserted in the mold bottom outlet.
2) each drilling power head, along the position of circular arc direction, can be regulated respectively it by adjustment ring, and its method can be discussed in more detail below.
3) due to the particularity of workpiece, some clamp mold the work bottom outlet are not provided usually, to avoid the situation that occurs that the position, hole is not inconsistent.Its work bottom outlet is made by the user is corresponding after test drilling.
4) if the workpiece of standard is arranged, but the Application standard workpiece carrys out tool setting, after determining each unit head position, by the user, makes corresponding fixture work bottom outlet.
5), if there is no standard workpiece, can at first by illustrated dimensions, make corresponding station sign on workpiece.After test drilling,, by the actual degree of agreement with the standard wheels hub bore, progressively revise, until fit like a glove (the standard wheel hub can be provided by market and goods supply of material producer).Then, make corresponding fixture bottom outlet by the user.
The making of presetting cutter method and mold bottom outlet:
1) according to several aperture apparatus methods of operating, by travelling table, the size of starter hole is entered correction with respect to the position of equipment with the appended manual setter of equipment, determine initial size.
2) press goods figure dimensional requirement, according to numerical control program preparation method machining programming.
3) after procedure is worked out, should be at first with single step method of work in numerical control device, the correctness of process is checked.Comprise that required work clamps, movable workbench, and the start and stop of unit head etc., should note the interference with fixture of stretching out of unit head drilling rod in this process, do not answer the clamping drill bit this moment.
4) but according to position, hole or bottom outlet or other normative reference of standard workpiece, adjust each drilling power head along the position between circular arc, in adjustment, note at first should conscientiously unclamping the locking double-screw bolt of required motivation of adjustment head and support saddle frame, the locking double-screw bolt of also tight all the other unit heads and support saddle frame also unclamps the locking double-screw bolt of these unit heads and adjustment ring conscientiously simultaneously.Then, rotate regulating handle, make institute's accent unit head to desired location, then and tight its with the double-screw bolt of support saddle frame, and unclamp simultaneously the locking double-screw bolt of itself and adjustment ring, so far, this unit head position adjustment is complete.
5) adjust as stated above successively other each drilling power head to desired location, to note especially unclamping in this process with and the correctness of tight object, adjust and retaining mechanism otherwise may damage, unit head can't be positioned on correct position.
6) drilling power head adjustable ring, because of its structure institute extremely, its distance that moves along the circular arc direction has certain restriction, if need, unit head is moved when more along a direction, may surpass its travel range, can first unclamp connecting of unit head and adjustment ring this moment, first with adjustable ring cycle round about, again locking and forward adjusting get final product.
The position that when 7) drilling power head piston drilling rod arrangement of clutch only is used for adjusting because of processing different radii product, drilling rod stretches out, to adapt to the processing of different radii product, the effect that in the time of please don't being used as adjusting the drilling power head bore position with it, drilling rod stretches out, cause damage in order to avoid often stir arrangement of clutch, before start and in work, should notice checking that arrangement of clutch pulls out hole and whether puts in place, in order to avoid cause operational failure.
While 8) determining the workpiece original position, available numerical control manual setter is auxiliary to be adjusted, after showing that by numerical control suggested size is carried out test drilling, carrying out corresponding numerical value revises and can complete, after it should be noted the clamping mold of changing different product, its original position may be inconsistent, should note revising in concrete the adjustment.
While 9) adjusting the drilling power head position, often need drilling power head drilling rod extend action, in order to determine whether its position is correct.Stretch out whether can interfere with fixture the time drill bit and clamping of can not at first packing at uncertain its.Should at first with manual activity, drilling rod be stretched out and put in place, and then be inserted in drill bit, top work piece flat grip.
10) fine adjustment of drilling depth can be regulated by drilling rod piston adjustable column, and most of hole depth surplus should realize by the position of clamping drill bit, arrives to avoid frequently using the Worm adjusting segmented column to damage to lose efficacy.
11) speed of drilling rod downlink working is regulated by hydraulic throttle valve, by the adjustment to choke valve, the speed of drilling rod downlink working is consistent as far as possible, and speed steadily, evenly.Avoid drilling rod to form the priority of feed along the arc surface left and right sides as far as possible and affect the precision that stablizing of table mechanism is stressed and hole.
12) if need to beat clamping mold bottom outlet, because the unit head motor speed is very high, therefore each depth of cut can not be too large, quotes the successively a small amount of feeding of drilling rod piston adjustable column, should note simultaneously the drilling rod feed speed is transferred to by hydraulic throttle valve lower this moment, to guarantee steadily and safely to make bottom outlet.
Claims (7)
1. the double brill Digit Control Machine Tool of porous that is used for the drilling drum-type brake pad, is characterized in that: comprise frame (11), seat board (4), friction plate mold (6), drilling power head (1), numerical control tank; Described seat board (4) is vertical state and fixing with described frame (11), described drilling power head (1) has a plurality of, divide forward and backward two rows to be individually fixed in front, the back of described seat board (4), described frame (11) level is fixedly installed framework panel (9), described friction plate mold (6) is located on described framework panel (9) by connecting plate (7), and described friction plate mold (6) is provided with the work piece holder (18) be used to the drum-type brake pad to be processed that is fixedly clamped; Described seat board (4) two sides respectively is provided with at least three isocentric circular arc grooves that are used for fixing and adjusting described drilling power head (1), a middle described arc groove is for being used for adjusting the adjustment ring (3) of drilling power head position, and the arc groove of described adjustment ring (3) both sides is for being used for the fixedly T-shaped groove (2) of drilling power head.
2. the double brill Digit Control Machine Tool of the porous for the drilling drum-type brake pad according to claim 1, it is characterized in that: each described drilling power head (1) is provided with independently bore motor (28), propelling cylinder (29), fine-tune positioning device (29) and composite drill bit (32), described bore motor (28) is arranged on the power headstock of end, be provided with the travel settings screw rod on the motor extension bar, be provided with setscrew nut (31) in propelling cylinder (29), described setscrew nut (31) is placed in the stroke of the described drilling power heads of different gear adjusted (1) of described travel settings screw rod.
3. the double brill Digit Control Machine Tool of the porous for the drilling drum-type brake pad according to claim 1, it is characterized in that: an end of described adjustment ring (3) is provided with sector gear, described sector gear and the output engagement of being fixed in the manual gear case (5) on seat board (4), be provided with worm and gear in described manual gear case (5) and adjust transmission device, make the described manual gear case of adjusting (5) promote described adjustment ring (3) position of described drilling power head (1) is set.
4. the double brill Digit Control Machine Tool of the porous for the drilling drum-type brake pad according to claim 1, it is characterized in that: described work piece holder (18) is the steel band of arc, one end of steel band is fixed with an end of being located at the fixture hydraulic cylinder (19) on described friction plate mold (6), and described steel band is used for by fixture hydraulic cylinder (19) Work-sheet pressing at described friction plate mold (6).
5. the double brill Digit Control Machine Tool of the porous for the drilling drum-type brake pad according to claim 1, it is characterized in that: framework panel (9) below in described frame (11) is provided with servomotor (15), described servomotor (15) drives main shaft (16) by electrical machine belt pulley (13) and rotates, the other end of described main shaft (16) promotes to establish threaded connecting plate (7) by ball screw secondary (26) and moves forward and backward, and makes workpiece to be processed correspondence front and back two rows' described drilling power head Working positions.
6. the double brill Digit Control Machine Tool of the porous for the drilling drum-type brake pad according to claim 1, it is characterized in that: be provided with deduster (17) below the framework panel (9) of described frame (11), the entrance of described deduster is connected with framework panel (9), the side of frame (11) is located in outlet, is used at any time the processing break flour of framework panel (9) being pumped out.
7. the double brill Digit Control Machine Tool of the porous for the drilling drum-type brake pad according to claim 1, it is characterized in that: be provided with backing plate (8) between the two ends of described seat board (4) and described framework panel (9), the both ends of the surface of described seat board (4) are connected with described backing plate (8) by screw, are used for adjusting the angular deviation of described seat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320285195XU CN203281921U (en) | 2013-05-23 | 2013-05-23 | Porous double-row-drill numerical control machine tool for drilling drum-type brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320285195XU CN203281921U (en) | 2013-05-23 | 2013-05-23 | Porous double-row-drill numerical control machine tool for drilling drum-type brake pad |
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| CN203281921U true CN203281921U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320285195XU Expired - Fee Related CN203281921U (en) | 2013-05-23 | 2013-05-23 | Porous double-row-drill numerical control machine tool for drilling drum-type brake pad |
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| CN (1) | CN203281921U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104475798A (en) * | 2014-10-30 | 2015-04-01 | 济南法特数控机械有限责任公司 | Determination method of spindle space and drilling mode of multi-spindle numerical control sieve plate drilling equipment |
| CN105149638A (en) * | 2015-09-11 | 2015-12-16 | 南阳理工学院 | Brake pad numerical control drilling machine |
| CN105618811A (en) * | 2016-03-10 | 2016-06-01 | 中山市鸿程科研技术服务有限公司 | Vertical drilling mechanism for multifunctional automatic machining integrated machine |
| CN105690476A (en) * | 2016-02-29 | 2016-06-22 | 宁国飞鹰汽车零部件股份有限公司 | Automatic punching equipment for brake pad |
| CN106180798A (en) * | 2013-12-31 | 2016-12-07 | 福建华日汽车配件有限公司 | A kind of adjustable angle boring machine being exclusively used in processing brake block steel liner plate |
| CN106583789A (en) * | 2016-12-26 | 2017-04-26 | 苏州龙雨电子设备有限公司 | Precise-locating rapid box punching device |
| CN107243948A (en) * | 2017-05-26 | 2017-10-13 | 广州市博泰光学科技有限公司 | A kind of electrified helmet glasses lens rig and its boring method |
| CN107520480A (en) * | 2017-09-25 | 2017-12-29 | 黄山菲英汽车零部件有限公司 | One kind is used for automobile brake sheet drilling equipment |
| CN108311729A (en) * | 2018-04-09 | 2018-07-24 | 临沂聚科智能设备有限公司 | A kind of friction plate steel back Full-automatic drilling equipment |
| CN108405919A (en) * | 2018-05-02 | 2018-08-17 | 芜湖杰诺科技有限公司 | A kind of adjustable valve body drilling machine in position |
| CN108581514A (en) * | 2018-03-06 | 2018-09-28 | 天润曲轴股份有限公司 | Power head centering angle modulation locked instrument |
| CN109986386A (en) * | 2019-05-13 | 2019-07-09 | 福建南铝车辆零部件有限公司 | A kind of elevator brake plate machining device and processing method |
| CN110238421A (en) * | 2019-05-14 | 2019-09-17 | 嘉兴劲境电子商务有限公司 | A kind of wheel hub rapid drilling device |
| CN110919048A (en) * | 2019-11-26 | 2020-03-27 | 上海锐视门窗有限公司 | Drilling machine |
| CN111774600A (en) * | 2020-07-22 | 2020-10-16 | 陈春 | Pipe fitting fixed angle drilling equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106180798B (en) * | 2013-12-31 | 2018-05-22 | 福建华日汽车配件有限公司 | A kind of adjustable angle drilling machine for being exclusively used in processing brake block steel liner plate |
| CN106180798A (en) * | 2013-12-31 | 2016-12-07 | 福建华日汽车配件有限公司 | A kind of adjustable angle boring machine being exclusively used in processing brake block steel liner plate |
| CN104475798B (en) * | 2014-10-30 | 2016-12-07 | 济南法特数控机械有限责任公司 | Many main spindle numerical controls sieve plate rig spindle pitch and the determination method of bore mode |
| CN104475798A (en) * | 2014-10-30 | 2015-04-01 | 济南法特数控机械有限责任公司 | Determination method of spindle space and drilling mode of multi-spindle numerical control sieve plate drilling equipment |
| CN105149638A (en) * | 2015-09-11 | 2015-12-16 | 南阳理工学院 | Brake pad numerical control drilling machine |
| CN105149638B (en) * | 2015-09-11 | 2017-08-25 | 南阳理工学院 | A kind of brake block digital control drilling machine |
| CN105690476A (en) * | 2016-02-29 | 2016-06-22 | 宁国飞鹰汽车零部件股份有限公司 | Automatic punching equipment for brake pad |
| CN105690476B (en) * | 2016-02-29 | 2017-12-22 | 宁国飞鹰汽车零部件股份有限公司 | A kind of brake block automatic punching equipment |
| CN105618811A (en) * | 2016-03-10 | 2016-06-01 | 中山市鸿程科研技术服务有限公司 | Vertical drilling mechanism for multifunctional automatic machining integrated machine |
| CN106583789A (en) * | 2016-12-26 | 2017-04-26 | 苏州龙雨电子设备有限公司 | Precise-locating rapid box punching device |
| CN107243948A (en) * | 2017-05-26 | 2017-10-13 | 广州市博泰光学科技有限公司 | A kind of electrified helmet glasses lens rig and its boring method |
| CN107520480A (en) * | 2017-09-25 | 2017-12-29 | 黄山菲英汽车零部件有限公司 | One kind is used for automobile brake sheet drilling equipment |
| CN108581514A (en) * | 2018-03-06 | 2018-09-28 | 天润曲轴股份有限公司 | Power head centering angle modulation locked instrument |
| CN108581514B (en) * | 2018-03-06 | 2024-01-30 | 天润工业技术股份有限公司 | Centering angle-adjusting locking device for power head |
| CN108311729A (en) * | 2018-04-09 | 2018-07-24 | 临沂聚科智能设备有限公司 | A kind of friction plate steel back Full-automatic drilling equipment |
| CN108405919A (en) * | 2018-05-02 | 2018-08-17 | 芜湖杰诺科技有限公司 | A kind of adjustable valve body drilling machine in position |
| CN109986386A (en) * | 2019-05-13 | 2019-07-09 | 福建南铝车辆零部件有限公司 | A kind of elevator brake plate machining device and processing method |
| CN109986386B (en) * | 2019-05-13 | 2024-03-15 | 福建省华银铝业有限公司 | Elevator brake pad processing device and processing method |
| CN110238421A (en) * | 2019-05-14 | 2019-09-17 | 嘉兴劲境电子商务有限公司 | A kind of wheel hub rapid drilling device |
| CN110919048A (en) * | 2019-11-26 | 2020-03-27 | 上海锐视门窗有限公司 | Drilling machine |
| CN110919048B (en) * | 2019-11-26 | 2021-09-03 | 上海锐视门窗有限公司 | Drilling machine |
| CN111774600A (en) * | 2020-07-22 | 2020-10-16 | 陈春 | Pipe fitting fixed angle drilling equipment |
| CN111774600B (en) * | 2020-07-22 | 2021-11-30 | 山东正华建筑科技有限公司 | Pipe fitting fixed angle drilling equipment |
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