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CN104227035A - Removing mechanism for tailstock center of machine tool - Google Patents

Removing mechanism for tailstock center of machine tool Download PDF

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Publication number
CN104227035A
CN104227035A CN201410364453.2A CN201410364453A CN104227035A CN 104227035 A CN104227035 A CN 104227035A CN 201410364453 A CN201410364453 A CN 201410364453A CN 104227035 A CN104227035 A CN 104227035A
Authority
CN
China
Prior art keywords
push rod
sleeve
tailstock
piston
end cap
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.)
Granted
Application number
CN201410364453.2A
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Chinese (zh)
Other versions
CN104227035B (en
Inventor
鲁银慧
汪旭光
饶磊
邵明辉
孙杰
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.)
Ningbo Haitian Precision Machinery Co Ltd
Original Assignee
Ningbo Haitian Precision Machinery Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Ningbo Haitian Precision Machinery Co Ltd filed Critical Ningbo Haitian Precision Machinery Co Ltd
Priority to CN201410364453.2A priority Critical patent/CN104227035B/en
Publication of CN104227035A publication Critical patent/CN104227035A/en
Application granted granted Critical
Publication of CN104227035B publication Critical patent/CN104227035B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B23/00Tailstocks; Centres

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)

Abstract

The invention discloses a removing mechanism for a tailstock center of a machine tool. The removing mechanism comprises a sleeve and a tailstock body, wherein the tailstock body sleeves the outer side of the sleeve; a first end cover is fixedly arranged on the front end of the tailstock body; the sleeve is internally provided with a mandrel, a first ejector rod, a second ejector rod, a piston and a sealing cover; a second end cover is fixedly arranged on the rear end of the sleeve; the second end cover sleeves the outer side of the piston; a third end cover is fixedly arranged on the front end of the sleeve; a first oil chamber is formed among the sleeve, the sealing cover and the piston; a second oil chamber is formed among the sleeve, the piston and the third end cover; the piston is provided with oil transporting holes which are respectively communicated with the first oil chamber and the second oil chamber; the oil transporting holes are communicated with an external oil pump; the tailstock body is provided with a limiting mechanism which is used for adjusting the motion stroke of the sleeve. The removing mechanism has the advantages of compact structure and capabilities of conveniently and efficiently removing the tailstock center, improving the efficiency of changing the tailstock center of the machine tool, improving the automation degree and reliability of the machine tool, prolonging the service life of the machine tool and reducing the use cost of customers.

Description

The disassembly mechanism that a kind of tailstock tool is top
Technical field
The present invention relates to a kind of machine tool accessory, the disassembly mechanism that specifically a kind of tailstock tool is top.
Background technology
Along with the develop rapidly of industry and the continuous progress of high speed machining such as automobile, internal combustion engine, Aero-Space, shipbuilding, military project household electrical appliances, universal machine, pump valve industry, decelerators, domestic each relevant industries improve constantly the automaticity of lathe, reliability and the requirement in service life.For the lathe that some need processing longaxones parts (as piston rod, gear shaft), often need when fine finishining to use tailstock to improve machining accuracy, tailstock centre is the key components of tailstock, usually need to change in process, the convenience that the life-span of tailstock centre and tailstock centre are changed, directly affects the automaticity of lathe and the reliability of complete machine.And for traditional tailstock tool, the end of its tailstock centre is reserved with screw thread and nut, can only workman's manual rotation nut be passed through and tailstock centre be dismantled in use procedure, the mode of this manual teardown tailstock centre not only wastes time and energy, and screw thread is easy to wear, cause tailstock centre cannot continue to use, reduce automaticity and the reliability of lathe, the later stage use cost of adding users.
Summary of the invention
Technical problem to be solved by this invention is: for the deficiencies in the prior art, the disassembly mechanism that a kind of tailstock tool is top is provided, this disassembly mechanism can facilitate, be dismantled by tailstock centre efficiently, improve the efficiency that tailstock centre changed by lathe, thus improve automaticity and the reliability of lathe, increase lathe service life, reduce client's use cost.
The present invention solves the problems of the technologies described above adopted technical scheme: the disassembly mechanism that a kind of tailstock tool is top, comprise sleeve and be set in the tailstock body outside described sleeve, the front end of described tailstock body is installed with the first end cap, mandrel is provided with in described sleeve, first push rod, second push rod, piston and seal cover, described mandrel is fixed in described sleeve by some bearings, the first inner chamber be connected successively is offered in described mandrel, second inner chamber and the 3rd inner chamber, the first described push rod is arranged in the second described inner chamber and coordinates with described mandrel small―gap suture, the first described push rod is connected with described mandrel by some holding screws, the arranged outside of the first described push rod has the holding screw axial channel corresponding to described some holding screw positions, the end of the holding screw described in one of them extend in described holding screw axial channel, one end of the second described push rod extend in the 3rd described inner chamber, the other end of the second described push rod is connected with described piston thread, described seal cover to be fixed in described sleeve and to be set in the outside of the second described push rod, the rear end of described sleeve is installed with the second end cap, the second described end cap is set in the outside of described piston, the front end of described sleeve is installed with the 3rd end cap, described sleeve, the first oil pocket is formed between seal cover and piston, described sleeve, the second oil pocket is formed between piston and the 3rd end cap, described piston is provided with the oil transportation hole be connected respectively with the second described oil pocket with the first described oil pocket, described oil transportation hole is connected with extraneous oil pump, during tailstock work, tailstock centre to be embedded in the first inner chamber and to have the first gap between tailstock centre and the first push rod, there is between first push rod and the second push rod the second gap, the length of described holding screw axial channel is greater than the degree of depth in the first described gap, described tailstock body is provided with the position-limit mechanism for regulating the movement travel of described sleeve, the degree of depth sum in the first described gap and the second described gap is less than the maximum stroke movement of described sleeve.
After the present invention installs, tailstock centre is arranged in the first inner chamber, in the course of work, the fluid of extraneous oil pump enters in the first oil pocket or the second oil pocket through oil transportation hole, promote sleeve movable together with the 3rd end cap, piston, seal cover, the second push rod, mandrel and the second end cap, and then drive tailstock centre to move forward and backward.In second oil pocket during oil-feed, sleeve travels forward, by position-limit mechanism, the movement travel of sleeve is restricted to minimum, when sleeve moves forward to extreme position (now tailstock centre is in operating position), first push rod can not be contacted with the afterbody of tailstock centre, first push rod can not contact with the second push rod (even if having the first gap between tailstock centre and the first push rod, there is the second gap) between first push rod and the second push rod, can ensure that tailstock can normally work like this, when tailstock works mandrel together with bearing with tailstock centre high-speed rotation, workpiece is processed, when needs take off tailstock centre, again by position-limit mechanism, the movement travel of sleeve is restricted to maximum stroke movement, sleeve is together with the 3rd end cap, piston, seal cover, second push rod, mandrel moves forward and covers in this maximum stroke movement process together with the second end cap, the equal vanishing of the degree of depth in the first gap and the second gap, second push rod promotes the first push rod and moves backward, first push rod pushes up pressure tailstock centre again, guiding and position-limiting action are played in the movement of holding screw axial channel to the first push rod, and the setting that the length of holding screw axial channel is greater than the degree of depth in the first gap can ensure that the first push rod can push up pressure tailstock centre, the first push rod can be prevented again tailstock centre top degree of pressing through, tailstock centre ejects smoothly the most at last, realize the object dismantled by tailstock centre.After tailstock centre dismounting, if desired again tailstock centre is loaded onto, only need first tailstock centre to be arranged in the first inner chamber, again fluid is inputted in the first oil pocket, promoting sleeve drives the 3rd end cap, piston, seal cover, the second push rod, mandrel to move backward together with the second end cap, when sleeve moves to the operating position of tailstock centre backward, the degree of depth in the first gap, the second gap recovers initial value again, first push rod does not contact with the afterbody of tailstock centre, the first push rod does not contact with the second push rod, and tailstock can start normal work.The top process of above-mentioned dismounting, mounted tailstock is convenient, safety, efficient, be conducive to improving the efficiency that tailstock centre changed by lathe, thus improve automaticity and the reliability of lathe, increase lathe service life, reduce client's use cost.
Described position-limit mechanism to be arranged between the front end of described tailstock body and the first described end cap and to coordinate with the front end of tailstock body and the first end cap small―gap suture, described position-limit mechanism comprises columned limited block body, the upper end of described limited block body is wholely set limited location portion, the width of described limiting section is less than the external diameter of described limited block body, the lower end of described limited block body has been wholely set spanner connecting portion, the 3rd described end cap is provided with the breach corresponding to described limiting section position, the inner side of the first described end cap offers the first endoporus and the second endoporus, spring and steel ball is provided with in the first described endoporus, the arranged outside of described limited block body has corresponding to described steel ball position two symmetrical ball, a part for described steel ball is positioned at the ball described in, the remainder of described steel ball is positioned at the first described endoporus, alignment pin is equipped with in the second described endoporus, the arranged outside of described limited block body has the circumferential locating slot corresponding to described alignment pin position, the end of described alignment pin extend in described circumferential locating slot, by spanner connecting portion, limited block body is connected with spanner during use, rotating spanner, limited block body can rotate in breach, when limiting section turns in breach, the outer surface of limiting section and the front end surface of sleeve offset, when limiting section rotates 180 ° again, outer surface and first end cap of limiting section offset.The setting of above-mentioned position-limit mechanism, structure is simple, easy to operate.No matter what position limited block body turns to, spring sustainable top pressing steel balls, a part for steel ball can be positioned at a ball, prevents limited block body from rotating, and realizes locating the circumference of limited block body; The end of alignment pin extend in circumferential locating slot, can prevent limited block body from upper and lower play occurring because of upper and lower translation, realize the axial location to limited block body.By locating and axial location the circumference of limited block body, finally realizing accurate, the effective location to limited block body, making limited block body more accurate to the adjustment of sleeve movement travel, being conducive to the reliability and the machining accuracy that improve lathe.Except adopting the position-limit mechanism of said structure, can also by the position-limit mechanism realization of the mode such as hydraulic piston, Electromagnetic Control to the Automated condtrol of the movement travel of sleeve and adjustment.
The outside of described seal cover, the second push rod, piston, the 3rd end cap and limited block body is all arranged with sealing ring.The setting of multiple sealing ring, can improve sealing of the present invention, prevent leakage of oil, improves the reliability of lathe.
One end of the second close described push rod of the first described push rod is tapering point, and one end of the first close described push rod of the second described push rod is provided with the tapered recess matched with described tapering point.When sleeve drives the 3rd end cap, piston, seal cover, the second push rod, mandrel to move backward together with the second end cap, tapering point embeds in tapered recess, enables the second push rod promote the first push rod better and moves backward, be conducive to the smooth dismounting of tailstock centre.
One sidewall of described tailstock body is equipped with T-shaped nail, and the arranged outside of described sleeve has the T-shaped nail axial channel corresponding to described T-shaped nail position, and the end of described T-shaped nail extend in described T-shaped nail axial channel.The setting of T-shaped nail and T-shaped nail axial channel, can play guiding and position-limiting action to the movable of sleeve further, prevent because sleeve moves forward and backward excessive and cause unnecessary damage to lathe.
The outside of the nail bar of described T-shaped nail is arranged with T-shaped nail sealing ring.T-shaped nail sealing ring can further improve sealing of the present invention.
Compared with prior art, the invention has the advantages that: the disassembly mechanism that tailstock tool provided by the invention is top, compact conformation, can facilitate, efficiently tailstock centre be dismantled, improve the efficiency that tailstock centre changed by lathe, also make the work such as subsequent installation, debugging, maintenance become simply, facilitate, thus improve automaticity and the reliability of lathe, increase lathe service life, reduce client's use cost.
Accompanying drawing explanation
Fig. 1 be the movement travel of sleeve minimum time the structural representation of embodiment;
Fig. 2 be the movement travel of sleeve maximum time the structural representation of embodiment;
Fig. 3 is A place enlarged drawing in Fig. 1;
Fig. 4 is the schematic appearance of limited block body in embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in the figure, the disassembly mechanism that a kind of tailstock tool is top, the tailstock body 2 comprising sleeve 1 and be set in outside sleeve 1, the front end of tailstock body 2 is installed with the first end cap 21, one sidewall of tailstock body 2 is equipped with T-shaped nail 22, the arranged outside of sleeve 1 has the T-shaped nail axial channel 11 corresponding to T-shaped nail 22 position, and the end of T-shaped nail 22 extend in T-shaped nail axial channel 11, and the outside of the nail bar of T-shaped nail 22 is arranged with T-shaped nail sealing ring 221, mandrel 3 is provided with in sleeve 1, first push rod 4, second push rod 5, piston 6 and seal cover 7, second push rod 5, the outside of piston 6 and seal cover 7 is all arranged with sealing ring 23, mandrel 3 is fixed in sleeve 1 by some bearings 34, the first inner chamber 31 be connected successively is offered in mandrel 3, second inner chamber 32 and the 3rd inner chamber 33, first push rod 4 is arranged in the second inner chamber 32 and coordinates with mandrel 3 small―gap suture, first push rod 4 is connected with mandrel 3 by some holding screws 41, the arranged outside of the first push rod 4 has the holding screw axial channel 42 corresponding to some holding screw 41 positions, the end of one of them holding screw 41 extend in holding screw axial channel 42, one end of second push rod 5 extend in the 3rd inner chamber 33, the other end of the second push rod 5 is threaded with piston 6, one end near the second push rod 5 of first push rod 4 is tapering point, one end near the first push rod 4 of second push rod 5 is provided with the tapered recess 51 matched with tapering point, seal cover 7 to be fixed in sleeve 1 and to be set in the outside of the second push rod 5, second push rod 5 is played a supporting role, the rear end of sleeve 1 is installed with the second end cap 12, second end cap 12 is set in the outside of piston 6, the front end of sleeve 1 is installed with the 3rd end cap 13, the outside of the 3rd end cap 13 is also arranged with sealing ring 23, sleeve 1, the first oil pocket 14 is formed between seal cover 7 and piston 6, seal cover 7 plays sealing function to the first oil pocket 14, sleeve 1, the second oil pocket 15 is formed between piston 6 and the 3rd end cap 13, piston 6 is provided with the oil transportation hole (not shown) be connected respectively with the first oil pocket 14 and the second oil pocket 15, oil transportation hole is connected with extraneous oil pump (not shown), during tailstock work, tailstock centre 8 to be embedded in the first inner chamber 31 and to have the first gap 91 between tailstock centre 8 and the first push rod 4, between first push rod 4 and the second push rod 5, there is the second gap 92, the length of holding screw axial channel 42 is greater than the degree of depth in the first gap 91, tailstock body 2 is provided with the position-limit mechanism for regulating the movement travel of sleeve 1, the degree of depth sum in the first gap 91 and the second gap 92 is less than the maximum stroke movement S of sleeve 1.
Position-limit mechanism is arranged on the front end of tailstock body 2 and coordinates with the front end of tailstock body 2 and the first end cap 21 small―gap suture with between the first end cap 21, position-limit mechanism comprises columned limited block body 10, the outside of limited block body 10 is also arranged with sealing ring 23, the upper end of limited block body 10 is wholely set limited location portion 101, the width of limiting section 101 is less than the external diameter of limited block body 10, the lower end of limited block body 10 has been wholely set spanner connecting portion 102, 3rd end cap 13 is provided with the breach 131 corresponding to limiting section 101 position, the inner side of the first end cap 21 offers the first endoporus 24 and the second endoporus 25, spring 26 and steel ball 27 is provided with in first endoporus 24, the arranged outside of limited block body 10 has corresponding to steel ball 27 position two symmetrical ball 103, a part for steel ball 27 is positioned at a ball 103, the remainder of steel ball 27 is positioned at the first endoporus 24, alignment pin 28 is equipped with in second endoporus 25, the arranged outside of limited block body 10 has the circumferential locating slot 104 corresponding to alignment pin 28 position, the end of alignment pin 28 extend in circumferential locating slot 104.In actual applications, except adopting the position-limit mechanism of said structure, also can by the position-limit mechanism realization of the mode such as hydraulic piston, Electromagnetic Control to the Automated condtrol of the movement travel of sleeve and adjustment.
The course of work of above-mentioned disassembly mechanism is as follows: be connected with spanner by limited block body 10 by spanner connecting portion 102, rotating spanner, the front end surface of the outer surface of limiting section 102 and sleeve 1 is offseted, be restricted to minimum by the movement travel of sleeve 1, now limiting section 101 turns in breach 131, in second oil pocket 15 during oil-feed, sleeve 1 moves forward to extreme position, now tailstock centre 8 is in operating position, have between tailstock centre 8 and the first push rod 4 between first gap 91, first push rod 4 and the second push rod 5 and there is the second gap 92, thus the first push rod 4 does not contact with the afterbody of tailstock centre 8, the first push rod 4 does not contact with the second push rod 5, such tailstock can start normal work, when tailstock works, mandrel 3 is together with bearing 34 with tailstock centre 8 high-speed rotation, processes workpiece, when needs take off tailstock centre 8, by spanner, limited block body 10 is rotated 180 °, the outer surface of limiting section 101 and the first end cap 21 is made to offset, now sleeve 1 has maximum stroke movement S, fluid in second oil pocket 15 promotes sleeve 1 and moves forward, 3rd end cap 13, piston 6, seal cover 7, second push rod 5, mandrel 3 and the second end cap 12 also together with travel forward with sleeve 2, move backward until the second push rod 5 contacts and promotes the first push rod 4, first push rod 4 pushes up pressure tailstock centre 8 again, tailstock centre 8 ejects smoothly the most at last, realize the object dismantled by tailstock centre 8.After tailstock centre dismounting, if desired again tailstock centre is loaded onto, only need first tailstock centre to be arranged in the first inner chamber 31, again fluid is inputted in the first oil pocket 31, promoting sleeve 1 drives the 3rd end cap 13, piston 6, seal cover 7, second push rod 5, mandrel 3 to move backward together with the second end cap 12, when sleeve 1 moves to the operating position of tailstock centre backward, first push rod 4 does not contact with the afterbody of tailstock centre, the first push rod 4 does not contact with the second push rod 5, and tailstock can start normal work.

Claims (6)

1. the disassembly mechanism that a tailstock tool is top, it is characterized in that the tailstock body comprising sleeve and be set in outside described sleeve, the front end of described tailstock body is installed with the first end cap, mandrel is provided with in described sleeve, first push rod, second push rod, piston and seal cover, described mandrel is fixed in described sleeve by some bearings, the first inner chamber be connected successively is offered in described mandrel, second inner chamber and the 3rd inner chamber, the first described push rod is arranged in the second described inner chamber and coordinates with described mandrel small―gap suture, the first described push rod is connected with described mandrel by some holding screws, the arranged outside of the first described push rod has the holding screw axial channel corresponding to described some holding screw positions, the end of the holding screw described in one of them extend in described holding screw axial channel, one end of the second described push rod extend in the 3rd described inner chamber, the other end of the second described push rod is connected with described piston thread, described seal cover to be fixed in described sleeve and to be set in the outside of the second described push rod, the rear end of described sleeve is installed with the second end cap, the second described end cap is set in the outside of described piston, the front end of described sleeve is installed with the 3rd end cap, described sleeve, the first oil pocket is formed between seal cover and piston, described sleeve, the second oil pocket is formed between piston and the 3rd end cap, described piston is provided with the oil transportation hole be connected respectively with the second described oil pocket with the first described oil pocket, described oil transportation hole is connected with extraneous oil pump, during tailstock work, tailstock centre to be embedded in the first inner chamber and to have the first gap between tailstock centre and the first push rod, there is between first push rod and the second push rod the second gap, the length of described holding screw axial channel is greater than the degree of depth in the first described gap, described tailstock body is provided with the position-limit mechanism for regulating the movement travel of described sleeve, the degree of depth sum in the first described gap and the second described gap is less than the maximum stroke movement of described sleeve.
2. the disassembly mechanism that a kind of tailstock tool according to claim 1 is top, it is characterized in that described position-limit mechanism to be arranged between the front end of described tailstock body and the first described end cap and to coordinate with the front end of tailstock body and the first end cap small―gap suture, described position-limit mechanism comprises columned limited block body, the upper end of described limited block body is wholely set limited location portion, the width of described limiting section is less than the external diameter of described limited block body, the lower end of described limited block body has been wholely set spanner connecting portion, the 3rd described end cap is provided with the breach corresponding to described limiting section position, the inner side of the first described end cap offers the first endoporus and the second endoporus, spring and steel ball is provided with in the first described endoporus, the arranged outside of described limited block body has corresponding to described steel ball position two symmetrical ball, a part for described steel ball is positioned at the ball described in, the remainder of described steel ball is positioned at the first described endoporus, alignment pin is equipped with in the second described endoporus, the arranged outside of described limited block body has the circumferential locating slot corresponding to described alignment pin position, the end of described alignment pin extend in described circumferential locating slot, by spanner connecting portion, limited block body is connected with spanner during use, rotating spanner, limited block body can rotate in breach, when limiting section turns in breach, the outer surface of limiting section and the front end surface of sleeve offset, when limiting section rotates 180 ° again, outer surface and first end cap of limiting section offset.
3. the disassembly mechanism that a kind of tailstock tool according to claim 2 is top, is characterized in that described seal cover, the second push rod, piston, the outside of the 3rd end cap and limited block body is all arranged with sealing ring.
4. the disassembly mechanism that a kind of tailstock tool according to claim 1 is top, the one end that it is characterized in that the second close described push rod of the first described push rod is tapering point, and one end of the first close described push rod of the second described push rod is provided with the tapered recess matched with described tapering point.
5. the disassembly mechanism that a kind of tailstock tool according to any one of claim 1-4 is top, the sidewall that it is characterized in that described tailstock body is equipped with T-shaped nail, the arranged outside of described sleeve has the T-shaped nail axial channel corresponding to described T-shaped nail position, and the end of described T-shaped nail extend in described T-shaped nail axial channel.
6. the disassembly mechanism that a kind of tailstock tool according to claim 5 is top, is characterized in that the outside of the nail bar of described T-shaped nail is arranged with T-shaped nail sealing ring.
CN201410364453.2A 2014-07-29 2014-07-29 The disassembly mechanism that a kind of tailstock tool is top Active CN104227035B (en)

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CN104227035B CN104227035B (en) 2016-08-24

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001636A (en) * 2016-07-28 2016-10-12 深圳市创世纪机械有限公司 Tailstock and numerical control machine tool
CN107538366A (en) * 2017-09-21 2018-01-05 安徽力成机械装备有限公司 A kind of worm screw holding device
CN107548327A (en) * 2016-04-28 2018-01-05 二村机器株式会社 Top rotary tailstock
CN110039076A (en) * 2019-05-31 2019-07-23 重庆宏钢数控机床有限公司 A kind of rapid-adjusting type is top
CN110052623A (en) * 2019-05-31 2019-07-26 重庆宏钢数控机床有限公司 A kind of double eccentric-pieces are dual-purpose top
CN110434359A (en) * 2019-08-13 2019-11-12 南京工程学院 A kind of taper shank bearing tailstock
CN110860707A (en) * 2019-11-29 2020-03-06 重庆宏钢数控机床有限公司 Double-eccentric center type center
CN111590093A (en) * 2020-04-30 2020-08-28 津上精密机床(浙江)有限公司 High-precision and efficient telescopic tailstock
CN111953160A (en) * 2020-08-14 2020-11-17 浙江震环数控机床股份有限公司 Tool for machining motor casing
CN112643067A (en) * 2020-12-07 2021-04-13 娄底鼎力液压科技有限公司 Inclined lathe body knife tower type tailstock numerical control lathe
CN112873133A (en) * 2021-03-26 2021-06-01 梧州学院 Screw anti-loosening device for underwater nuclear pump and mounting and dismounting method thereof

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CN103394717A (en) * 2013-08-15 2013-11-20 襄阳市领航者精密机械加工有限公司 Automatic tailstock for large-scale sleeper tool
CN203541562U (en) * 2013-11-22 2014-04-16 天津瑞驰船舶机械有限公司 Tailstock dedicated for mini-sized lathe
CN204122774U (en) * 2014-07-29 2015-01-28 宁波海天精工股份有限公司 The disassembly mechanism that a kind of tailstock tool is top

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US4870786A (en) * 1986-11-01 1989-10-03 Bryant Grinder Corporation Workstock
CN2125470U (en) * 1992-06-20 1992-12-23 张玉良 Live center with replaceable center head
JPH0985505A (en) * 1995-09-19 1997-03-31 Asahi Daiyamondo Kogyo Kk Center and manufacturing method thereof
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CN204122774U (en) * 2014-07-29 2015-01-28 宁波海天精工股份有限公司 The disassembly mechanism that a kind of tailstock tool is top

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107548327B (en) * 2016-04-28 2020-06-30 二村机器株式会社 Centre rotary tailstock
CN107548327A (en) * 2016-04-28 2018-01-05 二村机器株式会社 Top rotary tailstock
CN106001636A (en) * 2016-07-28 2016-10-12 深圳市创世纪机械有限公司 Tailstock and numerical control machine tool
CN107538366A (en) * 2017-09-21 2018-01-05 安徽力成机械装备有限公司 A kind of worm screw holding device
CN110039076A (en) * 2019-05-31 2019-07-23 重庆宏钢数控机床有限公司 A kind of rapid-adjusting type is top
CN110052623A (en) * 2019-05-31 2019-07-26 重庆宏钢数控机床有限公司 A kind of double eccentric-pieces are dual-purpose top
CN110434359A (en) * 2019-08-13 2019-11-12 南京工程学院 A kind of taper shank bearing tailstock
CN110860707A (en) * 2019-11-29 2020-03-06 重庆宏钢数控机床有限公司 Double-eccentric center type center
CN110860707B (en) * 2019-11-29 2020-08-07 重庆宏钢数控机床有限公司 Double-eccentric center type center
CN111590093A (en) * 2020-04-30 2020-08-28 津上精密机床(浙江)有限公司 High-precision and efficient telescopic tailstock
CN111953160A (en) * 2020-08-14 2020-11-17 浙江震环数控机床股份有限公司 Tool for machining motor casing
CN112643067A (en) * 2020-12-07 2021-04-13 娄底鼎力液压科技有限公司 Inclined lathe body knife tower type tailstock numerical control lathe
CN112873133A (en) * 2021-03-26 2021-06-01 梧州学院 Screw anti-loosening device for underwater nuclear pump and mounting and dismounting method thereof
CN112873133B (en) * 2021-03-26 2024-05-31 梧州学院 Screw locking device for underwater nuclear pump and mounting and dismounting method thereof

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