CN103831620A - Device for tightening fasteners, tightening assembly and sleeve connecting tool - Google Patents
Device for tightening fasteners, tightening assembly and sleeve connecting tool Download PDFInfo
- Publication number
- CN103831620A CN103831620A CN201210481544.5A CN201210481544A CN103831620A CN 103831620 A CN103831620 A CN 103831620A CN 201210481544 A CN201210481544 A CN 201210481544A CN 103831620 A CN103831620 A CN 103831620A
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- China
- Prior art keywords
- fixture
- support arm
- sleeve
- tightening
- axle
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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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a device for tightening fasteners. The device for tightening the fasteners comprises a tightening assembly and a sleeve. The tightening assembly comprises a tightening shaft and a fixing piece, a limiting piece which is matched with the fixing piece is arranged on the outer wall of the sleeve, and the sleeve can be detachably mounted on a tightening shaft through mutual matching of the fixing piece and the limiting piece. The screwing assembly comprises a sleeve connecting tool which is fixed on the tightening shaft, the sleeve connecting tool comprises a driving mechanism which comprises a driving output piece, and the driving output piece is provided with the fixing piece. Under driving of the driving mechanism, the driving output piece can drive the fixing piece to be in butt joint with the limiting piece and to be disengaged from the limiting piece. The invention further provides the tightening assembly and the sleeve connecting tool in the device for tightening the fasteners.
Description
Technical field
The present invention relates to the instrument for the securing member of machinery assembling is tightened, and the assembly of this instrument.
Background technology
Tightening of securing member is an important process in engine assembly process, and fastening for strength member on engine completes with multiple-shaft tightening machine conventionally.Tightening axle and will be connected with sleeve in tightening machine, installs the sleeve of different model according to the difference of securing member connecting portion size.
Along with weeding out the old and bring forth the new of engine, the structure of securing member is also being constantly updated, and its connecting portion size also can change., a production line for engine, will produce different types of machines conventionally, in the time needing to switch type in production process, must relate to the replacing of tightening shaft sleeve.
Current tightening machine, as shown in Figure 1, comprises and tightens axle 1a and sleeve 2a, and sleeve 2a mainly relies on pin 3a and sealing ring 4a to complete being connected of axle 1a with tightening.Tightening axle 1a has the hole of a perforation diametrically, and the sidewall correspondence of sleeve 2a has two holes, and both holes are on same straight line time, can be tightening axle 1a and sleeve 2a fixes after pin 3a is passed, and load onto and sell 3a after sealing ring 4a and be just maintained in hole.Due to pin, 3a is smaller, smooth surface, and sealing ring 4a is difficult to pull down after installing, and changes sleeve so this structure need spend the longer time.Like this, because engine model switches the production loss that causes the overlong time of the sleeve of changing tightening machine to cause; And, pry open sealing ring 4a and disclose the head of instrument of pin 3a conventionally more sharp-pointed, change the risk that has scratching fingers in sleeve process, there is potential safety hazard.
Summary of the invention
For solving the technical problem that has security risk when existing tightening machine exists dismounting difficulty, use, the invention provides a kind of device for tightening fastener parts.
The present invention for the technical scheme providing is provided is: a kind of device for tightening fastener parts, comprise and tighten assembly and sleeve, the described assembly of tightening comprises and tightens axle and fixture, the outer wall of described sleeve offers the locating part mating with described fixture, described in described sleeve can be removably installed in by cooperatively interacting of described fixture and described locating part, tightens on axle; The described assembly of tightening comprises described in being fixed on and tightens the sleeve connecting tooling on axle, and described sleeve connecting tooling comprises driving mechanism, and described driving mechanism comprises driver output part, and described driver output part is provided with described fixture; Under the driving of described driving mechanism, described driver output part can drive described fixture to make it dock and depart from described locating part.
Adopt technical scheme of the present invention, in device, carry the mechanism that drives fixture, realize fixture is automatically docked with locating part or departed from, without manual directly mounting fixing parts and locating part, also without prizing fixture by use instrument in addition and locating part makes its disengaging, easy to assembly, dismounting is simple, has avoided security risk.
Further, described driving mechanism comprises at least two described driver output parts.Preferably, described driving mechanism comprises two described driver output parts that are oppositely arranged.
Adopt technique scheme, more fastening and stable being installed on of sleeve tightened on axle, result of use is better.
Further, described driving mechanism comprises rotating shaft, and described driver output part is support arm, and described fixture is fixed on one end of described support arm, and described rotating shaft is located at the middle part of described support arm; In the time of the work of described driving mechanism, described support arm can be around described rotating shaft forward and reverse rotation in the described axial plane of tightening axle, thereby drives described fixture to make it dock and depart from described locating part.
Adopt technique scheme, easy to operate.
Or, described driving mechanism comprises that rotating shaft and elasticity pulls part, described driver output part is support arm, described fixture is fixed on one end of described support arm, the two ends that described elasticity is pullled part are connected with a described support arm respectively, the tie point that described support arm and described elasticity are pullled part is positioned at one end near described fixture on this support arm, and described rotating shaft is located at the middle part of described support arm; Pull under the pullling of part in described elasticity, two described support arms are drawn close near one end opposite direction rotating of described fixture separately, and described fixture is docked with described locating part; Described support arm can be drawn close by opposite direction rotating away from one end of described fixture in the time being subject to external force, and described fixture and described locating part are departed from.
Adopt technique scheme, simple in structure, easy to operate, with low cost.
Further, described sleeve connecting tooling is tightened on axle described in being removably installed in.
Adopt technique scheme, a sleeve connecting tooling can be tightened on axle and be used alternatingly at many, highly versatile, and, can on axle, install this sleeve connecting tooling additional common tightening, and can conveniently pull down when without this frock, meet the user demand of different occasions, and can reduce costs greatly.
Further, described sleeve connecting tooling comprises holder, described holder offers centre bore, described in being sheathed on by described centre bore, tightens described sleeve connecting tooling axle outside, described sleeve connecting tooling is tightened on axle described in being fixedly installed in by described holder, and the caliber size of described centre bore is adjustable.
Adopt technique scheme, the centre bore of holder is designed to adjustable structure, can increase and decrease the diameter of centre bore by adjusting bolt, has reduced the machining accuracy of holder, has saved the cost of manufacture of frock.
Further, described fixture is steady pin, and described locating part is spacing hole.
Adopt technique scheme, simple in structure, cost is low, and technology maturation is easy to manufacture.
The present invention be also provided in said apparatus described in tighten assembly.
The present invention is also provided for the described sleeve connecting tooling in said apparatus.
The beneficial effect that the present invention brings is: because sleeve is standard component, the replacing that the present invention can compatible different model sleeve for the device of tightening fastener parts, has improved the flexibility of production line greatly; After frock is fixed on and tightens on axle, tighten axle and be connected tightening the steady pin getting loose on axle with preventing sleeve, make to tighten axle itself and possessed the function of fixed muffle; The function of utilizing lever principle and respective outer side edges spring to tighten up, the ingenious open and close function that realized; The open and close function of these device two jig arm can be with have gentle hands pine, quick, safe completing, and operating process is simple and easy, without any aid, without potential safety hazard; Pin is directly installed on support arm, and support arm has possessed the function with pin fixed muffle, has solved straight pin because of the difficult problem of tearing open of little, sliding difficult dress; This structure does not need sealing ring auxiliary fixing, has solved the problem of the difficult dismounting of sealing ring, and connected mode is simplified, and has promoted production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of existing tightening machine;
Fig. 2 internal structure perspective diagram in the time that two support arms clamp that is the present invention for the device embodiment of tightening fastener parts;
Fig. 3 structural representation in the time that two support arms unclamp that is the present invention for the device embodiment of tightening fastener parts.
Detailed description of the invention
Below in conjunction with brief description of the drawings and detailed description of the invention, the present invention is further described.
As shown in Figure 2 and Figure 3, the device for tightening fastener parts of the specific embodiment of the invention, comprise and tighten assembly 1 and sleeve 2, tightening assembly 1 comprises and tightens axle 19 and be fixed on the sleeve connecting tooling 10 of tightening on axle 19, sleeve connecting tooling 10 is provided with fixture 100, fixture 100 both can with sleeve connecting tooling 10 removably or position-adjustable be connected, also can fix with its one; The outer wall of sleeve 2 offers the locating part 200 mating with fixture 100, sleeve 2 can be removably installed in and be tightened on axle 19 by cooperatively interacting of fixture 100 and locating part 200, fixture 100 is selected steady pin conventionally, and locating part 200 adopts the spacing hole mating with steady pin conventionally; Sleeve connecting tooling 10 comprises driving mechanism 11, and driving mechanism 11 comprises driver output part; Under the driving of driving mechanism 11, driver output part can drive fixture 100 dock and depart from locating part 200.
Preferably, sleeve connecting tooling 10 is removably installed in and tightens on axle 19.Sleeve connecting tooling 10 comprises holder 12, holder 12 offers centre bore, sleeve connecting tooling 10 is sheathed on and is tightened axle 19 outsides by centre bore, sleeve connecting tooling 10 is fixedly installed in and is tightened on axle 19 by holder 12, concrete, holder 12 is by the bolt on it and tighten the corresponding installing hole of offering on axle 19 and be fixed on and tighten on axle 19.Preferably, the caliber size of centre bore is adjustable, concrete, and the central hole of holder 12 has the adjusting bolt of the bore of adjustable centre bore, can change the size of centre bore bore by it.
Preferably, as shown in Figure 2 and Figure 3, driving mechanism comprises two support arms 111, both are positioned at and tighten axle 19 both sides and be oppositely arranged, steady pin is welded in one end of support arm 111, and the middle part of two support arms 111 is equipped with rotating shaft 112, support arm 111 by rotating shaft 112 fixing with holder 12 on.Driving mechanism 11 also comprises that elasticity pulls part 113, and elasticity is pullled part 113 can select spring; The two ends that elasticity is pullled part 113 are connected with a support arm 111 respectively, and support arm 111 is positioned at one end near fixture 100 on this support arm 111 with the tie point that elasticity is pullled part 113; In the time device not being applied to external force, pull in elasticity under the pullling of part 113, two support arms 111 are drawn close near one end opposite direction rotating of fixture 100 separately, and the fixture 100 on support arm 111 is docked with the spacing hole 200 on sleeve 2, for example, steady pin inserts in spacing hole; One end away from fixture 100 on support arm 111 can be drawn close by opposite direction rotating in the time being subject to external force, and the fixture 100 on support arm 111 is departed from the locating part 200 on sleeve 2, and for example, steady pin is extracted from spacing hole.
As shown in Figure 2 and Figure 3, support arm 111 with the mode of similar clip open, closure, in the time that support arm 111 is not with pin one end stressed, open band pin one end, as Fig. 2, now steady pin separates with sleeve 2.Be not with pin one end when support arm 111 and do not stress, pull under the active force of part 113 in elasticity, the steady pin on support arm 111 inserts in the spacing hole of sleeve 2, keeps sleeve 2 and the relative position of tightening axle 19.In the time that open one end of two support arms, 111 band pins, sleeve is extracted, then pack another model sleeve into, allow two support arms, 111 bands sell one end closures, complete the replacing of sleeve.
Taking original four axle tightening machine of the piston rod of engine line as example, the diameter 4mm of pin, long 20mm, need stick up sealing ring go out with instrument while changing sleeve, then pin is disclosed with instrument; After taking out sleeve, successively load onto again new sleeve, pin, sealing ring.Adopt and change in this way sleeve, each 4 minutes consuming time, lose 4 minutes output.And the device that utilization produces according to the embodiment of the present invention, with hand by not one end with pin of lower branch arm, rear interchangeable sleeve is risen in one end of support arm band pin, change 4 sleeves and only need 40 seconds, be each sleeve replacing time decreased 50 seconds, altogether can save 200 seconds, the replacing time of each sleeve became by 10 seconds/from original 1 minute/.
Be in conjunction with concrete preferred embodiment further description made for the present invention as said above, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, do not departing under the prerequisite of design of the present invention and intension, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the device for tightening fastener parts, comprise and tighten assembly (1) and sleeve (2), the described assembly (1) of tightening comprises and tightens axle (19) and fixture (100), the outer wall of described sleeve (2) offers the locating part (200) mating with described fixture (100), described in described sleeve (2) can be removably installed in by cooperatively interacting of described fixture (100) and described locating part (200), tightens on axle (19); It is characterized in that: described in tighten assembly (1) and comprise described in being fixed on and tighten the sleeve connecting tooling (10) on axle (19), described sleeve connecting tooling (10) comprises driving mechanism (11), described driving mechanism (11) comprises driver output part, and described driver output part is provided with described fixture (100); Under the driving of described driving mechanism (11), described driver output part can drive described fixture (100) to make it dock and depart from described locating part (200).
2. device according to claim 1, is characterized in that: described driving mechanism (11) comprises at least two described driver output parts.
3. device according to claim 1, is characterized in that: described driving mechanism (11) comprises two described driver output parts that are oppositely arranged.
4. according to the device described in claim 1,2 or 3, it is characterized in that: described driving mechanism (11) comprises rotating shaft (112), described driver output part is support arm (111), described fixture (100) is fixed on one end of described support arm (111), and described rotating shaft (112) is located at the middle part of described support arm (111); In the time that described driving mechanism (11) is worked, described support arm (111) can be around described rotating shaft (112) forward and reverse rotation in the described axial plane of tightening axle (19), thereby drives described fixture (100) to make it dock and depart from described locating part (200).
5. device according to claim 3, it is characterized in that: described driving mechanism (11) comprises that rotating shaft (112) and elasticity pulls part (113), described driver output part is support arm (111), described fixture (100) is fixed on one end of described support arm (111), the two ends that described elasticity is pullled part (113) are connected with a described support arm (111) respectively, described support arm (111) is positioned at the upper one end near described fixture (100) of this support arm (111) with the tie point that described elasticity is pullled part (113), described rotating shaft (112) is located at the middle part of described support arm (111), pull in described elasticity under the pullling of part (113), two described support arms (111) are drawn close near one end opposite direction rotating of described fixture (100) separately, and described fixture (100) is docked with described locating part (200), described support arm (111) can be drawn close by opposite direction rotating away from one end of described fixture (100) in the time being subject to external force, and described fixture (100) and described locating part (200) are departed from.
6. according to the device described in claim 1,2 or 3, it is characterized in that: described in described sleeve connecting tooling (10) is removably installed in, tighten on axle (19).
7. device according to claim 6, it is characterized in that: described sleeve connecting tooling (10) comprises holder (12), described holder (12) offers centre bore, described in being sheathed on by described centre bore, tightens described sleeve connecting tooling (10) axle (19) outside, described in described sleeve connecting tooling (10) is fixedly installed in by described holder (12), tighten axle (19) upper, the caliber size of described centre bore is adjustable.
8. device according to claim 1, is characterized in that: described fixture (100) is steady pin, and described locating part (200) is spacing hole.
9. described in device described in claim 1-8 any one, tighten assembly.
10. for the described sleeve connecting tooling in device described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481544.5A CN103831620B (en) | 2012-11-23 | 2012-11-23 | A kind of device for tightening fastener parts, tighten assembly and sleeve connection frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481544.5A CN103831620B (en) | 2012-11-23 | 2012-11-23 | A kind of device for tightening fastener parts, tighten assembly and sleeve connection frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103831620A true CN103831620A (en) | 2014-06-04 |
| CN103831620B CN103831620B (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210481544.5A Active CN103831620B (en) | 2012-11-23 | 2012-11-23 | A kind of device for tightening fastener parts, tighten assembly and sleeve connection frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103831620B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014879A (en) * | 2018-09-07 | 2018-12-18 | 谢森涛 | A kind of nut disassembly system of petroleum machinery equipment |
| CN114425757A (en) * | 2020-10-29 | 2022-05-03 | 北京福田康明斯发动机有限公司 | Plug screwing tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836063A (en) * | 1986-07-28 | 1989-06-06 | Makita Electric Works, Ltd. | Bolt tightening tool |
| JPH07246528A (en) * | 1994-03-11 | 1995-09-26 | Sanyo Mach Works Ltd | Chuck for fastening device for fastening member |
| CN1754650A (en) * | 2004-09-29 | 2006-04-05 | 株式会社安川电机 | Fastener device |
| CN1950176A (en) * | 2004-03-08 | 2007-04-18 | 本田技研工业株式会社 | Method and device for fastening fastening member |
| CN101985203A (en) * | 2010-11-09 | 2011-03-16 | 大连德新机电技术工程有限公司 | Composite sleeve for automobile tire bolt tightening machine |
| CN202010876U (en) * | 2011-01-30 | 2011-10-19 | 北京谊安医疗系统股份有限公司 | Fastening device for shaft sleeve |
-
2012
- 2012-11-23 CN CN201210481544.5A patent/CN103831620B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836063A (en) * | 1986-07-28 | 1989-06-06 | Makita Electric Works, Ltd. | Bolt tightening tool |
| JPH07246528A (en) * | 1994-03-11 | 1995-09-26 | Sanyo Mach Works Ltd | Chuck for fastening device for fastening member |
| CN1950176A (en) * | 2004-03-08 | 2007-04-18 | 本田技研工业株式会社 | Method and device for fastening fastening member |
| CN1754650A (en) * | 2004-09-29 | 2006-04-05 | 株式会社安川电机 | Fastener device |
| CN101985203A (en) * | 2010-11-09 | 2011-03-16 | 大连德新机电技术工程有限公司 | Composite sleeve for automobile tire bolt tightening machine |
| CN202010876U (en) * | 2011-01-30 | 2011-10-19 | 北京谊安医疗系统股份有限公司 | Fastening device for shaft sleeve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014879A (en) * | 2018-09-07 | 2018-12-18 | 谢森涛 | A kind of nut disassembly system of petroleum machinery equipment |
| CN109014879B (en) * | 2018-09-07 | 2021-01-15 | 英特莱福油气技术河北股份有限公司 | Nut dismounting system of petroleum machinery equipment |
| CN114425757A (en) * | 2020-10-29 | 2022-05-03 | 北京福田康明斯发动机有限公司 | Plug screwing tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103831620B (en) | 2016-09-14 |
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