CN201979015U - Nut closing-in device - Google Patents
Nut closing-in device Download PDFInfo
- Publication number
- CN201979015U CN201979015U CN 201020638106 CN201020638106U CN201979015U CN 201979015 U CN201979015 U CN 201979015U CN 201020638106 CN201020638106 CN 201020638106 CN 201020638106 U CN201020638106 U CN 201020638106U CN 201979015 U CN201979015 U CN 201979015U
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- closing
- piece
- sleeve
- pressing plate
- bolt
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Abstract
The utility model relates to a nut closing-in device. An adjusting bolt is in threaded connection with a closing-in table base; two rectangular grooves which are arranged on the closing-in table base are connected with a closing-in table by a screw in a fastening way; the inner conical surface of a sleeve is matched with the conical head part of a closing-in block; a groove is arranged on the closing-in table, and the cylindrical head part of the adjusting bolt is pressed by a movable pressing plate and fastened in the groove on the closing-in table by the screw; the head part of the closing-in block is conical, a cylindrical hole used for placing a closing-in piece is arranged at the other end, and the closing-in block can slide in a rectangular hole of a closing-in mould base. A sliding plate is connected with the pressing plate by a bolt in a fastening way, the pressing plate is sheathed on a connecting head and fastened by the bolt, and the connecting head is connected with a power source; a sliding pressing plate penetrates through the two rectangular grooves of the closing-in table base to press the sleeve downwards, the sleeve is matched with the conical head part of the closing-in block, and the closing-in block can move up and down on the inner conical surface of the sleeve. The nut closing-in device has low processing cost and good centering/adjusting performances.
Description
Technical field
The utility model relates to a kind of closing device of nut.
Background technology
Self-locking nut is as a kind of securing member commonly used, and major function is exactly locking, antivibration.General by with after the crimp of self-locking nut threaded portion, produce coupling mechanism force.Common crimp form has two big classes: a class is that face contact is closed up, and comprising: the oval closing in and the rectangle closing in, its principle is: by frock the end of thread of nut is squeezed into ellipse, rectangle.The 2nd, a contact is closed up, and comprising: two point form closes up and bikini closes up, and its principle is: by the end of thread crimp of thimble with nut.
The closing in of self-locking nut at present adopts easy frock to process usually, after common mode is to use two identical closing in pieces centres to cut out the closing in die cavity, by two guide pillar guiding on the closing in piece, the end of then nut being waited to close up is put in the die cavity, when two closing in pieces close up nut is closed up, concrete form as shown in Figure 1.But this mode exists many shortcomings:
1, the positioning accuracy of nut is poor, and the nut location in the middle of being put in is normally by other subsidiary pad location, its relatively and location of Closing in die itself all very poor usually.
2, rectangle is received and is pressed weak effect.Because closing in piece restriction, originally be two inverted triangles that the rectangle on 4 limits can only be by as shown in Figure 1 to receiving, be difficult assurance adding man-hour their uniformity.
3, the versatility of closing in piece is bad, and the mode that adopts is the corresponding closing in specification of a die cavity usually, causes a large amount of wastes of material.
4, can only be used for rectangle and oval the closing in, can't close up by bikini, limit its scope of application.
5, adjusting function is poor.Because in nut closing in process, the size that closes up usually will be carried out some adjustment according to actual conditions, and this regulative mode of debit's formula is normally adopted the mode of reconditioning intermediate cavity, and up and down uniformity is difficult to guarantee usually after processing.
The production and processing of self-locking nut has had decades, is to be similar to method as implied above yet the mode that closes up adopts always, far can not satisfy production demand of today.
The utility model content
The technical problems to be solved in the utility model provides a kind of brand-new closing device, and the closing in of self-locking nut that can compatible all size also solves the various weak points of old closing in mode.
This closing device comprises: regulate bolt, the one end is a socket cap, and the other end is a hexagon, and the middle part is an external screw thread, regulates bolt and is connected with closing in platform base by the middle part external screw thread;
Closing in platform base centre position has two rectangular channels, and it is fastenedly connected by screw and closing in platform;
The conical nose of the inner conical surface of sleeve and closing in piece matches;
The closing in platform is provided with groove, regulates the cylindrical head of bolt and is pushed down by movable pressing board and be fastened on by screw in the groove of closing in platform;
The head end of closing in piece is taper, and the other end is provided with the cylindrical hole that is used to place the closing in part, and the closing in part is fastened in the cylindrical hole by holding screw, and spring housing is contained on the closing in piece;
The Closing in die base is provided with rectangular opening, and the closing in piece can be free to slide in rectangular opening;
Shrinking plate is fastened on the Closing in die base by screw, and pad snaps in the hole of closing in pressing plate;
In this closing device, sliding panel is connected by bolted with pressing plate, pressing plate is sleeved on the connector and passes through bolted, connector links to each other with power source, two rectangular channels that sliding panel passes closing in platform base press sleeve downwards, sleeve originally cooperates with the conical nose of closing in piece, and the closing in piece can move up and down at the inner conical surface of sleeve.
Rectangular opening on the Closing in die base is 3～4.
The shape of closing in part can be rectangle, ellipse, thimble shape.
Closing device of the present utility model relatively with former closing device, have good to neutrality, closings in is effective, modulability good, the adaptability of product is strong, the low advantage of waiting until of processing cost.
Description of drawings
Fig. 1 is the structural representation of traditional Closing in die;
Fig. 2 is the structural representation of the utility model Closing in die;
Fig. 3 is the structural representation of the utility model rectangle closing in part;
Fig. 4 is the structural representation of the oval closing in part of the utility model;
Fig. 5 is the structural representation of the utility model thimble-type closing in part;
The specific embodiment
The utility model adopt hydraulic press or punch press as power source to the nut part processing of closing up, be applicable to that specification is the self-locking nut crimping of M3～36.This structure is to be used for the last closing in link of self-locking nut.
As shown in Figure 2, in this device, sliding panel 17 is fastenedly connected by bolt 21 with pressing plate 20, and pressing plate 20 is sleeved on the connector 18 also fastening by bolt 19, and connector 18 links to each other with power source.Closing in platform base 3 centre positions have rectangular opening, and two rectangular channels that sliding panel 17 can pass closing in platform base 3 press sleeve 4 downwards.Closing in die base 8 has rectangular opening, and the rectangular end of closing in piece 6 can be free to slide in the rectangular opening of Closing in die base 8.The conical nose of closing in piece 6 is the circular arc conical surfaces that match with sleeve 4 inner conical surfaces.When sliding panel 17 presses down, drive sleeve 4 and press down, after the conical nose of sleeve 4 inner conical surfaces and closing in piece 6 contacts, because the interaction force of the conical surface, taper closing in piece 6 will move inward, and self-locking nut 11 be closed up, simultaneously spring 7 compressions.When sliding panel 17 after rising because the return action of spring 7, taper closing in piece 6 will outwards move, the inner conical surface of compression sleeve 4, the same because interaction between the conical surface, sleeve 4 return that will make progress, thereby finish the processing of once closing up.When closing up operation, earlier pad 12 is put into closing in pressing plate 9, self-locking nut 11 usefulness hands that again will be to be closed up snap in the hole of pad 12, and closing in pressing plate 9 is fastened on the Closing in die base 8 by screw 13.
1, the Principles of Regulation of this closing device
This closing device can be by the fit adjustment closing in size between screw thread, and as shown in Figure 2, an end of regulating bolt 1 is a socket cap, and another end mill becomes six sides, and there is one section external screw thread the centre.The cylinder head end is pushed down by movable pressing board 15 and is fastened in the groove of closing in platform 5 by 4 hex head screws 16, regulates bolt 1 like this and is merely able to rotatablely move.The internal thread that bolt 1 matches is attacked and regulated to closing in platform base 3, and closing in platform base 3 and closing in platform 5 are fastenedly connected by screw 2, when twisting is regulated six square ends of bolt 1, because and the interaction between closing in platform base 3 screw threads, adjusting bolt 1 will drive whole closing in platform 5 and move up and down, and promptly be equivalent to taper closing in piece 6 and move up and down with respect to sleeve 4.Regulate bolt 1 and rotate a circle, taper closing in piece 6 relatively and sleeve 4 move up or down 1 pitch, that is to say that self-locking nut 11 will be by close up piece 6 multiple pressures or press less of taper.By calculating as can be known, when the angle of sleeve 4 inner conical surfaces is 53.13 °, regulate bolt 1 every rising 1mm, self-locking nut will be by multiple pressure 1mm.Therefore suppose that the pitch of screw thread is 1mm, regulate bolt so and change 1 circle that the closing in size will change 1mm, mix the dial of 100 five equilibriums with regulating the bolt rotary end surface, its degree of regulation can reach 0.01mm so.
2, the replacing of this closing device closing in form
This closing device can adapt to various closing in form and size, and the closing in form comprises rectangle, ellipse, 2 points, 3 closing ins.Concrete as Fig. 3, Fig. 4, shown in Figure 5.
As shown in Figure 3, four taper closing in pieces 6 slide in the rectangular channel of Closing in die base 8, thereby produce the receipts pressure effect to the centre.The head of taper closing in piece 6 is the conical surface that has circular arc, and the other end then is provided with cylindrical hole, and closing in part 14 is arranged in cylindrical hole, and is fixing by holding screw 10.By changing different closing in parts 14, just can realize different closing in modes, and if with the chute quantity change (4 chutes become 3) of Closing in die base 8, then can realize the bikini closing in.
Relative and the former closing in mode of closing in structure of the present utility model has the following advantages:
1, part is good to neutrality.
Because the Closing in die base 8 that closing in piece 6 is laid is for cylindrical, its circular end face is very beneficial for the centering of self-locking nut 11.Good to neutrality, then lay at every turn part the position uniformity might as well, help the part processing size stability.
2, closing in is effective.
Owing to be that the centering of adopting is closed up, therefore relatively with old up and down to debit's formula, its three limit or four limits simultaneously will be better to the effect of receiving.
3, modulability is good
The closing in adjusting device that carries by itself can realize to different size the adjusting of size very easily.With respect to old closing in mode, more easy and saving cost.
4, the adaptability of product is strong
By changing different closing in pieces 6 and closing in part 14, just can easily realize various sizes, various forms of closing ins.
5, processing cost is low
Traditional closing in mode bad adaptability, the processing specification is numerous, and volume is big, and processing charges is higher.And the utility model only need be processed some simple and small and exquisite closing in pieces 6, and processing cost is very low.
Claims (5)
1. the closing device of a nut, it is characterized in that: described closing device comprises:
-regulate bolt (1), the one end is a socket cap, and the other end is a hexagon, and the middle part is an external screw thread, and described adjusting bolt (1) is connected with closing in platform base (3) by the middle part external screw thread;
-closing in platform base (3), the position has two rectangular channels therebetween, and it is fastenedly connected by screw (2) and closing in platform (5);
-sleeve (4), the conical nose of the inner conical surface of described sleeve (4) and closing in piece (6) matches;
-closing in platform (5) which is provided with groove, and the cylindrical head of described adjusting bolt (1) is pushed down by movable pressing board (15) and is fastened in the groove of closing in platform (5) by screw (16);
-closing in piece (6), the head end of described closing in piece (6) is taper, and the other end is provided with the cylindrical hole that is used to place closing in part (14), and closing in part (14) is fastened in the cylindrical hole by holding screw (10), and spring (7) is sleeved on the closing in piece (6);
-Closing in die base (8) which is provided with rectangular opening, and described closing in piece (6) can be free to slide in rectangular opening;
-closing in pressing plate (9), described shrinking plate (9) is fastened on the Closing in die base (8) by screw (13), and pad (12) snaps in the hole of closing in pressing plate (9);
In described closing device, sliding panel (17) is fastenedly connected by bolt (21) with pressing plate (20), it is last and fastening by bolt (19) that pressing plate (20) is sleeved on connector (18), connector (18) is connected with power source, two rectangular channels that sliding panel (17) passes closing in platform base (3) press sleeve (4) downwards, sleeve (4) originally cooperates with the conical nose of closing in piece (6), and closing in piece (6) can move up and down at the inner conical surface of sleeve (4).
2. according to the described closing device of claim 1, it is characterized in that: the rectangular opening on the described Closing in die base (8) is 3～4.
3. according to claim 1 or 2 described closing devices, it is characterized in that: described closing in part (14) be shaped as rectangle.
4. according to claim 1 or 2 described closing devices, it is characterized in that: described closing in part (14) be shaped as ellipse.
5. according to claim 1 or 2 described closing devices, it is characterized in that: described closing in part (14) be shaped as thimble shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020638106 CN201979015U (en) | 2010-12-02 | 2010-12-02 | Nut closing-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020638106 CN201979015U (en) | 2010-12-02 | 2010-12-02 | Nut closing-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979015U true CN201979015U (en) | 2011-09-21 |
Family
ID=44606483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020638106 Expired - Fee Related CN201979015U (en) | 2010-12-02 | 2010-12-02 | Nut closing-in device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979015U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319808A (en) * | 2011-10-10 | 2012-01-18 | 宁波浩渤工贸有限公司 | Hot stamping mould for nut |
| CN102962350A (en) * | 2012-08-13 | 2013-03-13 | 贵州航天精工制造有限公司 | Front-mounted horizontal-type closing in device of support plate self-locking nut |
| CN103241542A (en) * | 2013-05-20 | 2013-08-14 | 贵州大学 | Automatic feeding device of nut necking machine |
| CN103846369A (en) * | 2012-11-29 | 2014-06-11 | 中国航空工业标准件制造有限责任公司 | Closing method and die for slotted self-locking nuts |
| CN104399840A (en) * | 2014-11-20 | 2015-03-11 | 贵州航锐航空精密零部件制造有限公司 | Self-centering general closing assembly for self-locking nut |
| CN104438847A (en) * | 2014-11-28 | 2015-03-25 | 陕西宝成航空仪表有限责任公司 | Outer circle closing forming die for self-locking nut |
| CN105834326A (en) * | 2016-06-06 | 2016-08-10 | 贵州航太精密制造有限公司 | Self-locking nut closing tool |
| CN106311925A (en) * | 2016-06-27 | 2017-01-11 | 七丰精工科技股份有限公司 | Self-locking nut three-point closing die |
| CN106424426A (en) * | 2016-12-07 | 2017-02-22 | 贵州黎阳航空动力有限公司 | Device and method for closing up double-layer wall large-taper inner cone |
| CN106984731A (en) * | 2017-04-17 | 2017-07-28 | 贵州博泰自动化科技有限公司 | Robot automatic loading/unloading nut crimping system and method |
| CN109226571A (en) * | 2018-08-29 | 2019-01-18 | 贵州航瑞科技有限公司 | A kind of closing device for fastener |
-
2010
- 2010-12-02 CN CN 201020638106 patent/CN201979015U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319808A (en) * | 2011-10-10 | 2012-01-18 | 宁波浩渤工贸有限公司 | Hot stamping mould for nut |
| CN102319808B (en) * | 2011-10-10 | 2013-04-24 | 宁波浩渤工贸有限公司 | Hot stamping mould for nut |
| CN102962350A (en) * | 2012-08-13 | 2013-03-13 | 贵州航天精工制造有限公司 | Front-mounted horizontal-type closing in device of support plate self-locking nut |
| CN103846369A (en) * | 2012-11-29 | 2014-06-11 | 中国航空工业标准件制造有限责任公司 | Closing method and die for slotted self-locking nuts |
| CN103241542A (en) * | 2013-05-20 | 2013-08-14 | 贵州大学 | Automatic feeding device of nut necking machine |
| CN104399840A (en) * | 2014-11-20 | 2015-03-11 | 贵州航锐航空精密零部件制造有限公司 | Self-centering general closing assembly for self-locking nut |
| CN104399840B (en) * | 2014-11-20 | 2016-02-03 | 贵州航锐航空精密零部件制造有限公司 | The general seaming tool of a kind of self-locking nut self-centering |
| CN104438847A (en) * | 2014-11-28 | 2015-03-25 | 陕西宝成航空仪表有限责任公司 | Outer circle closing forming die for self-locking nut |
| CN105834326A (en) * | 2016-06-06 | 2016-08-10 | 贵州航太精密制造有限公司 | Self-locking nut closing tool |
| CN106311925A (en) * | 2016-06-27 | 2017-01-11 | 七丰精工科技股份有限公司 | Self-locking nut three-point closing die |
| CN106311925B (en) * | 2016-06-27 | 2018-12-07 | 七丰精工科技股份有限公司 | A kind of 3 closing-in moulds of self-locking nut |
| CN106424426A (en) * | 2016-12-07 | 2017-02-22 | 贵州黎阳航空动力有限公司 | Device and method for closing up double-layer wall large-taper inner cone |
| CN106424426B (en) * | 2016-12-07 | 2018-01-23 | 贵州黎阳航空动力有限公司 | A kind of double wall steep-taper inner cone closing device |
| CN106984731A (en) * | 2017-04-17 | 2017-07-28 | 贵州博泰自动化科技有限公司 | Robot automatic loading/unloading nut crimping system and method |
| CN109226571A (en) * | 2018-08-29 | 2019-01-18 | 贵州航瑞科技有限公司 | A kind of closing device for fastener |
| CN109226571B (en) * | 2018-08-29 | 2023-10-20 | 贵州航瑞科技有限公司 | Closing-in device for fastening piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20111202 |