CN105328457A - Automatic drilling and tapping machine for bearing inner rings - Google Patents
Automatic drilling and tapping machine for bearing inner rings Download PDFInfo
- Publication number
- CN105328457A CN105328457A CN201510884279.9A CN201510884279A CN105328457A CN 105328457 A CN105328457 A CN 105328457A CN 201510884279 A CN201510884279 A CN 201510884279A CN 105328457 A CN105328457 A CN 105328457A
- Authority
- CN
- China
- Prior art keywords
- inner ring
- tapping
- automatic drilling
- bearing inner
- machining unit
- Prior art date
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/069—Work-clamping means for pressing workpieces against a work-table
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/06—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of pushers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/08—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of slides or chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
Abstract
The invention discloses an automatic drilling and tapping machine for bearing inner rings. The automatic drilling and tapping machine comprises a support seat, a material pressing mechanism, drilling devices, tapping devices and a material pushing mechanism, wherein the support seat is provided with two supporting plates which horizontally extend in the transverse direction and are used for bearing an inner ring; each supporting plate is provided with a drilling position and a tapping position; the material pushing mechanism is used for pushing the inner ring on the supporting plates to move to the drilling positions and the tapping positions sequentially; the material pressing mechanism is used for pressing the inner ring at the drilling positions of the supporting plates and the tapping positions of the supporting plates; the drilling devices are used for drilling holes in the inner ring pressed at the drilling positions; the tapping devices are used for tapping the inner ring pressed at the tapping positions. The automatic drilling and tapping machine disclosed by the invention has the advantages of simple structure, low cost, high production efficiency and the like.
Description
Technical field
The present invention relates to a kind of bearing inner race automatic drilling tooth machining unit.
Background technology
In order to the bearing inner race that needs installed needs processing two screws, traditional processing mode is: adopt drilling machine first to hole on inner ring, with tooth machining unit, tapping is carried out to the hole of having bored again, in order to the relative position and angle that ensure two screws of inner ring are accurate, need accurately to measure adjustment, operation extremely bothers, and working (machining) efficiency is low, and labour intensity is large.
For the problems referred to above, Chinese patent literature CN204123088U discloses a kind of bearing inner race automatic drilling tooth machining unit, comprise rectangular-shaped frame, be arranged at the rotating table system of center in described frame, be arranged at the pay-off of the side outside described frame, be arranged at the grip device on described rotating table system, be arranged at the drilling equipment at described frame inner opposite angle place, be arranged at the tapping device at another diagonal angle place in described frame and be arranged at the device for discharging of the bottom outside described frame, although above-mentioned drilling-tapping machine can save several boring workman and tapping workman, greatly reduce the outflow of substandard products, automaticity is high, but above-mentioned rotating table system adopts expensive hydraulic separate cutter, there is complex structure, the problem that cost is high.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, the bearing inner race automatic drilling tooth machining unit that a kind of structure is simple, easy to operate, machining accuracy is high is provided.
Object of the present invention realizes by following technical solution:
A kind of bearing inner race automatic drilling tooth machining unit, it is characterized in that: comprise supporting base, feeding pressure mechanism, drilling equipment, tapping device and pusher, described supporting base has two support plates of transverse horizontal extension for carrying inner ring, support plate is provided with bore position and tapping position, described pusher successively moves to bore position and tapping position for the inner ring promoted on support plate, described feeding pressure mechanism is used for the bore position and the tapping position that inner ring are pressed on support plate, described drilling equipment is used for holing to the inner ring being pressed in bore position, described tapping device is used for attacking placed inner ring carry out tapping to being pressed in.
Further, described pusher comprises the laterally extending actuator being arranged in the scraping wings below between two support plates and driving scraping wings transverse shifting, described scraping wings is provided with protruding pushing block, what pushing block was formed with inclination keeps away material inclined-plane, when scraping wings just marches forward, pushing block can promote inner ring and move on support plate, when scraping wings is reverse return time, pushing block by keep away material inclined-plane avoid inner ring.
Further, described actuator is cylinder, gear tooth row pair, electric pushrod or screw pair.
Further, described actuator is cylinder, and described pusher also comprises the speed regulator be connected with scraping wings.
Further, described supporting base comprises laterally extending pedestal, is arranged on support plate described in two of pedestal top, and pedestal top offers at slot to make way laterally extending between support plate described in two, and described scraping wings is arranged in slot to make way.
Further, described feeding pressure mechanism is supported on directly over two support plates by support, comprises the cylinder that pressure head moving up and down and drive ram move up and down.
Further, two drilling equipments being symmetrically distributed in bore position both sides and two tapping devices being symmetrically distributed in both sides, tapping position are comprised.
Further, the present invention also comprises base, and described supporting base, feeding pressure mechanism, drilling equipment, tapping device and pusher are all arranged on base top.
Further, the present invention also comprises the stabilization mechanism be arranged on directly over two support plates, and this stabilization mechanism comprises the postive stop baffle and connection the cylinder driving postive stop baffle to move up and down that transverse horizontal extends.
Further, also comprise the feed raceway be in tilted layout and the discharging raceway be in tilted layout, feed raceway makes inner ring to be processed be rolled into described in two between support plate; Discharging raceway is for accepting the inner ring released by described pusher from support plate described in two.
The present invention has following beneficial effect:
Inner ring is bearing between two support plates, namely two support plates linearly contact with the outer peripheral face of inner ring, and the axis being parallel of this contact wire and inner ring, pusher promotes inner ring along the axis of inner ring, make inner ring transverse shifting on support plate, can not rotate in inner ring transverse shifting process, with regard to Absorbable organic halogens, inner ring is successively moved to bore position and tapping position like this, ensure the phase invariant of inner ring, thus ensure the high accuracy processing of boring and tapping; Two drilling equipments being arranged symmetrically in bore position both sides can process two symmetrical through holes to inner ring simultaneously, two tapping devices being arranged symmetrically in both sides, tapping position can carry out tapping to two through hole simultaneously, ensure that inner ring is stressed symmetrical, thus effectively improve working (machining) efficiency, and ensure machining accuracy; Pusher arranges speed regulator can ensure the mild stably transverse shifting of scraping wings, prevents inner ring from shaking in transverse shifting process, produces phase offset, impact boring and tapping precision; Relative to prior art, the present invention has the advantages such as structure is simple, with low cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is front view of the present invention.
Fig. 2 is front view of the present invention, removes protective cover, supporting base, drilling equipment and tapping device.
Fig. 3 is side view of the present invention, removes protective cover.
Detailed description of the invention
Shown in Fig. 3, a kind of bearing inner race automatic drilling tooth machining unit, comprises base 1, supporting base, feeding pressure mechanism, stabilization mechanism, drilling equipment 5, tapping device, pusher, protective cover 2, feed raceway and discharging raceway.
Supporting base comprises transverse horizontal and is arranged in the pedestal 61 at base 1 top and two support plates 62 at present body 61 top of transverse horizontal extension layout, two support plates 62 are symmetrically arranged, during work, inner ring 4 is bearing between two support plates 62, two support plates 62 are set with bore position A and tapping position B, the width of two support plates 62 extends along the radial direction of inner ring 4, and pedestal 61 top offers the slot to make way 611 that transverse horizontal extends between two support plates 62.
Pusher comprises scraping wings 33, cylinder 31 and speed regulator 32, scraping wings 33 is laterally extending to be arranged in slot to make way 611, cylinder 31 is arranged on base 1 top and is connected to scraping wings 33 one end, for driving scraping wings 33 transverse shifting, speed regulator 32 is arranged on base 1 top and is connected to scraping wings 33 other end, for the movement of stable scraping wings 33, scraping wings 33 is provided with three protruding pushing blocks 331, what pushing block 331 was formed with inclination keeps away material inclined-plane, when scraping wings 33 just marches forward, pushing block 331 can promote inner ring 4 and move on support plate 62, when scraping wings 33 is reverse return time, pushing block 331 avoids inner ring 4 by keeping away material inclined-plane, the inner ring 4 that pusher can promote on support plate 62 successively moves to bore position A and tapping position B, from carrying out holing and tapping.
Feeding pressure mechanism comprises support 53, three cylinders 51 and pressure head 52, support 53 is arranged on pedestal 61, for carrying by cylinder 51 and pressure head 52, directly over feed entrance point C, bore position A that three cylinders 51 are vertically arranged in support plate 62 respectively and tapping position B, pressure head 52 is arranged on the lower end of the piston rod of cylinder 51, during work, cylinder 51 drive ram 52 moves down, and inner ring 4 is pressed on bore position A or the tapping position B of support plate 62.
Stabilization mechanism to comprise on the piston rod that is vertically arranged on cylinder on support 53 54 and is arranged on cylinder 54 and the postive stop baffle 55 that extends of transverse horizontal, when cylinder 54 drives postive stop baffle 55 to drop to restraining position, inner ring 4 can be limited between two support plates 62 and postive stop baffle 55, only transversely can move horizontally, prevent from shaking in transverse shifting process.
Drilling equipment 7 comprises two that are symmetrically distributed in support plate 62 both sides, for holing to the inner ring 4 being pressed in bore position A, tapping device is symmetrically distributed in two of support plate both sides, for carrying out tapping to the inner ring 4 being pressed in tapping position B, the concrete structure of drilling equipment 7 and tapping device is known prior art, here no longer describes in detail.
Feed raceway is in tilted layout on base 1, is rolled between two support plates 62 for making inner ring 4 to be processed; Discharging raceway is in tilted layout on base 1, for accepting the inner ring 4 that is pushed out from two support plates 62 and delivering to magazine, protective cover 2 is arranged on the top of base 1, for blocking each device and the mechanism at base 1 top, protective cover 2 offers the charging aperture 21 relative with feed raceway and the discharging opening 22 relative with discharging raceway.
Specific works mode is: deliver to feed raceway by inner ring 4 to be processed from charging aperture 21, inner ring 4 is rolled between the feed entrance point C of two support plates 62 along feed raceway, the cylinder 31 of pusher drives that scraping wings 33 is reverse returns reset, inner ring 4 is avoided on the material inclined-plane of keeping away of pushing block when the inner ring 4 of feed entrance point C 331, cylinder 31 drives scraping wings 33 just to march forward, the inner ring 4 that pushing block 331 promotes feed entrance point C laterally moves to bore position A, cylinder 51 drive ram 52 of feeding pressure mechanism moves down, compress the inner ring 4 of bore position A, the drilling equipment 7 of both sides is holed to inner ring 4 simultaneously, after having holed, cylinder 31 drives that scraping wings 33 is reverse returns reset, feed entrance point C and bore position A inner ring 4 are avoided in the material inclined-plane of keeping away of pushing block 331, then cylinder 31 drives scraping wings 33 just to march forward, the inner ring of feed entrance point C is made to move to bore position A, the inner ring 4 of bore position A moves to tapping position B, cylinder 51 drive ram 52 of feeding pressure mechanism moves down, compress the inner ring 4 of bore position A and tapping position B, the drilling equipment 7 of both sides is holed to the inner ring 4 of bore position A simultaneously, the tapping device of both sides carries out tapping to two holes of the inner ring 4 of tapping position B simultaneously, cylinder 31 drives that scraping wings 33 is reverse returns reset, feed entrance point C is avoided on the material inclined-plane of keeping away of pushing block 331, the inner ring 4 of bore position A and tapping position B, then cylinder 31 drives scraping wings 33 just to march forward, the inner ring of feed entrance point C is made to move to bore position A, the inner ring 4 of bore position A moves to tapping position B, the inner ring 4 of tapping position B moves to unloading position, repeat above-mentioned steps.
The above, be only preferred embodiment of the present invention, therefore can not limit scope of the invention process with this, and the equivalence namely done according to the present patent application the scope of the claims and description changes and modifies, and all should still remain within the scope of the patent.
Claims (10)
1. a bearing inner race automatic drilling tooth machining unit, it is characterized in that: comprise supporting base, feeding pressure mechanism, drilling equipment, tapping device and pusher, described supporting base has two support plates of transverse horizontal extension for carrying inner ring, support plate is provided with bore position and tapping position, described pusher successively moves to bore position and tapping position for the inner ring promoted on support plate, described feeding pressure mechanism is used for the bore position and the tapping position that inner ring are pressed on support plate, described drilling equipment is used for holing to the inner ring being pressed in bore position, described tapping device is used for attacking placed inner ring carry out tapping to being pressed in.
2. a kind of bearing inner race automatic drilling tooth machining unit according to claim 1, it is characterized in that: described pusher comprises the laterally extending actuator being arranged in the scraping wings below between two support plates and driving scraping wings transverse shifting, described scraping wings is provided with protruding pushing block, what pushing block was formed with inclination keeps away material inclined-plane, when scraping wings just marches forward, pushing block can promote inner ring and move on support plate, when scraping wings is reverse return time, pushing block by keep away material inclined-plane avoid inner ring.
3. a kind of bearing inner race automatic drilling tooth machining unit according to claim 2, is characterized in that: described actuator is cylinder, gear tooth row pair, electric pushrod or screw pair.
4. a kind of bearing inner race automatic drilling tooth machining unit according to claim 2, is characterized in that: described actuator is cylinder, and described pusher also comprises the speed regulator be connected with scraping wings.
5. a kind of bearing inner race automatic drilling tooth machining unit according to claim 2, it is characterized in that: described supporting base comprises laterally extending pedestal, is arranged on support plate described in two of pedestal top, pedestal top offers at slot to make way laterally extending between support plate described in two, and described scraping wings is arranged in slot to make way.
6. a kind of bearing inner race automatic drilling tooth machining unit according to any one of claim 1 to 5, is characterized in that: described feeding pressure mechanism is supported on directly over two support plates by support, comprises the cylinder that pressure head moving up and down and drive ram move up and down.
7. a kind of bearing inner race automatic drilling tooth machining unit according to any one of claim 1 to 5, is characterized in that: comprise two drilling equipments being symmetrically distributed in bore position both sides and two tapping devices being symmetrically distributed in both sides, tapping position.
8. a kind of bearing inner race automatic drilling tooth machining unit according to any one of claim 1 to 5, it is characterized in that: also comprise base, described supporting base, feeding pressure mechanism, drilling equipment, tapping device and pusher are all arranged on base top.
9. a kind of bearing inner race automatic drilling tooth machining unit according to any one of claim 1 to 5, it is characterized in that: also comprise the stabilization mechanism be arranged on directly over two support plates, this stabilization mechanism comprises the postive stop baffle and connection the cylinder driving postive stop baffle to move up and down that transverse horizontal extends.
10. a kind of bearing inner race automatic drilling tooth machining unit according to any one of claim 1 to 5, it is characterized in that: also comprise the feed raceway be in tilted layout and the discharging raceway be in tilted layout, feed raceway makes inner ring to be processed be rolled into described in two between support plate; Discharging raceway is for accepting the inner ring released by described pusher from support plate described in two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884279.9A CN105328457B (en) | 2015-12-04 | 2015-12-04 | A kind of bearing inner race automatic drilling tooth machining unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884279.9A CN105328457B (en) | 2015-12-04 | 2015-12-04 | A kind of bearing inner race automatic drilling tooth machining unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105328457A true CN105328457A (en) | 2016-02-17 |
| CN105328457B CN105328457B (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510884279.9A Active CN105328457B (en) | 2015-12-04 | 2015-12-04 | A kind of bearing inner race automatic drilling tooth machining unit |
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| Country | Link |
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| CN (1) | CN105328457B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643277A (en) * | 2016-02-23 | 2016-06-08 | 安徽省宁国顺昌机械有限公司 | Machining device for bearing inner ring axial surface threaded holes |
| CN105880753A (en) * | 2016-05-10 | 2016-08-24 | 平湖市品耀机器自动化有限公司 | Clamp of tapping machine |
| CN107097070A (en) * | 2017-06-02 | 2017-08-29 | 晋江捷佳机械有限公司 | A kind of three-way fitting automatic machining device |
| CN107717458A (en) * | 2017-10-31 | 2018-02-23 | 浙江水利水电学院 | Drilling and tapping all-in-one |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201436258U (en) * | 2009-06-12 | 2010-04-07 | 富港电子（东莞）有限公司 | Automatic transmission device |
| CN201439454U (en) * | 2009-07-21 | 2010-04-21 | 新昌县海博机械有限公司 | Ring automatic pusher |
| CN102528458A (en) * | 2012-02-08 | 2012-07-04 | 浙江大学台州研究院 | Automatic drilling and tapping machine tool for valves |
| CN103753217A (en) * | 2013-11-26 | 2014-04-30 | 广州科技职业技术学院 | Full-automatic drilling production line and production process thereof |
| CN204108646U (en) * | 2014-06-30 | 2015-01-21 | 陈强 | A kind of Novel bearing-ring top wire hole numerical control machine tool |
| CN204123088U (en) * | 2014-08-15 | 2015-01-28 | 付鹏飞 | Bearing inner race automatic drilling tooth machining unit |
| CN204221365U (en) * | 2014-10-08 | 2015-03-25 | 泛科轴承集团有限公司 | Bearing inner race screw machine for automatic working |
| CN205147806U (en) * | 2015-12-04 | 2016-04-13 | 福建福山轴承有限公司 | Tooth machine is attacked in automatic drilling of bearing inner race |
-
2015
- 2015-12-04 CN CN201510884279.9A patent/CN105328457B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201436258U (en) * | 2009-06-12 | 2010-04-07 | 富港电子（东莞）有限公司 | Automatic transmission device |
| CN201439454U (en) * | 2009-07-21 | 2010-04-21 | 新昌县海博机械有限公司 | Ring automatic pusher |
| CN102528458A (en) * | 2012-02-08 | 2012-07-04 | 浙江大学台州研究院 | Automatic drilling and tapping machine tool for valves |
| CN103753217A (en) * | 2013-11-26 | 2014-04-30 | 广州科技职业技术学院 | Full-automatic drilling production line and production process thereof |
| CN204108646U (en) * | 2014-06-30 | 2015-01-21 | 陈强 | A kind of Novel bearing-ring top wire hole numerical control machine tool |
| CN204123088U (en) * | 2014-08-15 | 2015-01-28 | 付鹏飞 | Bearing inner race automatic drilling tooth machining unit |
| CN204221365U (en) * | 2014-10-08 | 2015-03-25 | 泛科轴承集团有限公司 | Bearing inner race screw machine for automatic working |
| CN205147806U (en) * | 2015-12-04 | 2016-04-13 | 福建福山轴承有限公司 | Tooth machine is attacked in automatic drilling of bearing inner race |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643277A (en) * | 2016-02-23 | 2016-06-08 | 安徽省宁国顺昌机械有限公司 | Machining device for bearing inner ring axial surface threaded holes |
| CN105880753A (en) * | 2016-05-10 | 2016-08-24 | 平湖市品耀机器自动化有限公司 | Clamp of tapping machine |
| CN107097070A (en) * | 2017-06-02 | 2017-08-29 | 晋江捷佳机械有限公司 | A kind of three-way fitting automatic machining device |
| CN107717458A (en) * | 2017-10-31 | 2018-02-23 | 浙江水利水电学院 | Drilling and tapping all-in-one |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105328457B (en) | 2018-11-23 |
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