CN104152661A - Local annealing equipment of fastener - Google Patents

Local annealing equipment of fastener Download PDF

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Publication number
CN104152661A
CN104152661A CN201410432388.2A CN201410432388A CN104152661A CN 104152661 A CN104152661 A CN 104152661A CN 201410432388 A CN201410432388 A CN 201410432388A CN 104152661 A CN104152661 A CN 104152661A
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CN
China
Prior art keywords
flexible
fastening piece
fixing tool
movable tooling
equipment
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CN201410432388.2A
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Chinese (zh)
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CN104152661B (en
Inventor
桂林景
胡隆伟
刘如刚
刘智昂
柳阳阳
齐跃
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Aerospace Precision Products Co Ltd
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Aerospace Precision Products Co Ltd
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Priority to CN201410432388.2A priority Critical patent/CN104152661B/en
Publication of CN104152661A publication Critical patent/CN104152661A/en
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Publication of CN104152661B publication Critical patent/CN104152661B/en
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Abstract

The invention provides local annealing equipment of a fastener. The local annealing equipment comprises a positioning mechanism, a flexible transmission mechanism and a heating mechanism for heating the fastener. The positioning mechanism comprises a fixed tool, a movable tool in sliding fit with the fixed tool and an upper measuring tool. A bearing positioning hole is formed in the movable tool, a measuring positioning hole formed corresponding to the bearing positioning hole is formed in the fixed tool, and the upper measuring tool is arranged in the measuring positioning hole. The flexible transmission mechanism comprises a flexible shaft, a hollow sleeve and a flexible bearing component. The flexible shaft penetrates through an inner cavity of the hollow sleeve, the end face of the hollow sleeve is connected with the flexible bearing component, the flexible bearing component bears the flexible shaft, and the central axis of the flexible shaft is collinear with the central axis of the measuring positioning hole and the central axis of the bearing positioning hole. The local annealing equipment is high in automation degree, can precisely control the annealing starting position and the annealing width and does not damage a workpiece, and therefore the production yield is improved.

Description

A kind of spot anneling equipment of fastening piece
Technical field
The invention belongs to the manufacture field of fastening piece, especially relate to a kind of spot anneling equipment of fastening piece.
Background technology
In some specific fastening piece processing, can require its part to carry out anneal, make its part in installation process deform and reach fastening object.
But need the fastening piece of spot anneling, in order to ensure the consistence of installation capability and use properties, so can have special requirement to the zero position of the bar portion spot anneling of fastening piece and annealing width and dimensional uniformity.Within this just requires the annealing position of bar portion and annealing width must be strict controlled in certain scope, so the annealing working method of bar portion is particularly important.
At present, mainly adopt load coil to carry out spot anneling to bar portion.Be enclosed within on electric machine main shaft using traditional frock to connect workpiece, then put into the method for coil rotary heating, workpiece and electric machine main shaft, coil axis three right alignment, concentricity all can be poor; Because fastening piece is generally less, in coil, when rotary heating, concentricity is relatively large, it is not columniform situation that the track of workpiece occurs, off-line circle is closer all the time can to cause the bar portion of fastening piece to have a side, and opposite side is distant, and both sides annealing temperature is inconsistent all the time; While being exactly induction annealing in addition, workpiece does not need the position of annealing there is no shielding measure, and the width of annealing is uncontrollable, and artificial clamping adds the consistence that trade union is difficult to ensure installation.
Simultaneously, in existing annealing device, be substantially all to adopt positive drive main shaft, can be because the deviation of right alignment in the course of processing, workpiece is tapered swing, will cause so workpiece and its positioning tool to produce violent friction, friction meeting scratching products surface for a long time, and in the face of above-mentioned situation, use traditional universal coupling Flexible Transmission scheme, although can solve the stiff problem of middle part, but transmission shaft end is still rigid bearing, so the friction problem still can not fundamentally solve transmission time.
Above various reasons all can cause product performance fluctuation larger, have influence on the use of product, and the workpiece qualification rate of producing is low, has increased production cost.
Summary of the invention
The problem to be solved in the present invention is to provide the strong and accurate positioning of a kind of level of automation, processes the spot anneling equipment of efficient fastening piece, this equipment will farthest reduce workpiece and produce friction with the parts of this workpiece of location in processed process, improves production qualification rate and production efficiency.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of spot anneling equipment of fastening piece, and it comprises locating mechanism, flexible drive mechanism and for heating the heating arrangements of fastening piece;
Movable tooling and upper measurement frock that described locating mechanism comprises fixing tool, is slidably matched with described fixing tool, described movable tooling is provided with a supporting pilot hole, described fixing tool is provided with a measurement and positioning hole of setting up corresponding to described supporting pilot hole, and described upper measurement frock is arranged in this measurement and positioning hole;
Described flexible drive mechanism comprises flexible shaft, cannulated sleeve and flexible bearing assembly, described flexible shaft is worn ejaculation from the internal cavity of cannulated sleeve, the end face of cannulated sleeve is connected with described flexible bearing assembly, this flexible bearing assembly supports described flexible shaft, the axis conllinear of the axis of described flexible shaft and measurement and positioning hole and supporting pilot hole.
Further, described locating mechanism also comprises lower measurement frock, and this lower measurement frock coordinates and sets up at fixing tool and movable tooling closest range place, and described lower measurement frock is provided with scale marks, in described upper measurement frock, is also provided with scale marks.
Further, for the ease of the product of processing different size, above-mentioned movable tooling can be designed to comprise movable tooling placement plate and movable tooling strongback, and described movable tooling places plate and movable tooling strongback is flexibly connected, and described supporting pilot hole is opened on movable tooling strongback; Described fixing tool comprises that the fixing tool of two flexible connections places plate and fixing tool strongback, has measurement and positioning hole and described fixing tool and place plate and be slidably matched with movable tooling placement plate on described fixing tool strongback.
Further, also comprise a limiting tool, described limiting tool is worn and is penetrated fixing tool and be connected with it, and the axis of this limiting tool is parallel with the axis of lower measurement frock.
Further, the flexible shaft one end in described flexible drive mechanism is connected with a thimble, the axis conllinear in the axis of this thimble and described supporting pilot hole and measurement and positioning hole.
Further, described flexible bearing assembly comprises outer back-up ring and neck bush and steel ball and the flexible compression spring of supporting connection, described neck bush is hollow cylinder, and have open holes on the inwall of this neck bush, this open holes is through hole and its central axis central axis perpendicular to described neck bush, the diameter of described open holes and neck bush cavity connectivity part is less than the open holes diameter of other parts and the diameter of described steel ball, described outer back-up ring is the hollow cylinder coordinating with neck bush, the minimum diameter of described outer back-up ring outer wall is greater than the diameter of the boring cavity of cannulated sleeve, on the inwall of this outer back-up ring, have the mounting groove being communicated with the open holes of neck bush, in the open holes being communicated with and mounting groove, be provided with flexible compression spring, one end of this flexible compression spring is connected with steel ball, described steel ball is placed in open holes.
Further, in described cannulated sleeve internal cavities, be provided with obstruct spring, be equipped with described obstruct spring at the outer wall of flexible shaft, the interior diameter of described obstruct spring is greater than the outer diameter of described flexible shaft.
Further, described heating arrangements comprises a heater coil, on the central axis that is centered close to supporting pilot hole of this heater coil.
Further, the fixing tool bottom of described locating mechanism is slidably connected with a slide rail, is also provided with buffer spring, the sidewall butt of this buffer spring and described fixing tool on this slide rail.
Further, also comprise automatic feed mechanism, described automatic feed mechanism comprises a vibrations loading plate and the material loading clamp assemblies being mated, and on described material loading clamp assemblies, expects between flexible drive mechanism and locating mechanism.
Further, described movable tooling top is provided with a blanking slide plate, and the angle of this blanking slide plate and horizontal plane is acute angle.
Advantage and positively effect that the present invention has are:
1, effectively improve fastening piece annealing accurate to dimension, met the width consistency at the position of annealing on fastening piece, and rapid adjustment annealing position and width dimensions at any time.
2, when having ensured fastening piece rotation, with the right alignment of fixing its parts, the rotation of flexible shaft is simultaneously steady, has also ensured that in the course of processing, positioning tool can not cause damage to fastening piece, and Flexible Transmission effect is splendid.
3, easy accessibility, moral conduct is strong and versatility good, improve and reduce input cost when passing rate of processing.
Brief description of the drawings
Fig. 1 is vertical view of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is the local amplification front elevation of A;
Fig. 4 is the local amplification plan view of A;
Fig. 5 is the front view of fixing tool;
Fig. 6 is the vertical view of fixing tool;
Fig. 7 is the front view of movable tooling;
Fig. 8 is the vertical view of movable tooling;
Fig. 9 is fastening piece annealing position explanation schematic diagram;
Figure 10 is the partial enlarged drawing of flexible bearing assembly;
Figure 11 is the front view of neck bush;
Figure 12 is the sectional view of neck bush;
Figure 13 is A-A sectional view;
Figure 14 is the front view of outer back-up ring;
Figure 15 is B-B sectional view.
In figure:
1, worktable 2, locating mechanism 21, fixing tool
211, measurement and positioning hole 22, upper measurement frock 23, movable tooling
231, supporting pilot hole 24, lower measurement frock 3, flexible drive mechanism
31, flexible bearing assembly 311, outer back-up ring 3111, mounting groove
3112, pickup groove 312, neck bush 3121, open holes
3122, neck bush cavity 313, flexible compression spring 314, steel ball
32, cannulated sleeve 33, flexible shaft 34, obstruct spring
35, thimble 4, motor 5, slide rail
6, buffer spring 7, automatic feed mechanism 71, vibrations loading plate
72, material loading clamp assemblies 8, blanking slide plate 9, tank
10, heater coil 11, High-frequency machine 12, coil cooling water tank
13, the first positioning cylinder 131, cylinder output shaft 14, the second positioning cylinder
15, fastening piece 16, limiting tool 161, limiting tool open holes
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
As Figure 1-4, a kind of spot anneling equipment of fastening piece, it comprises the locating mechanism 2, flexible drive mechanism 3 and the automatic feed mechanism 7 that are positioned on worktable 1 and for heating the heating arrangements of fastening piece.
As shown in Fig. 3-9, movable tooling 23 and upper measurement frock 22 and lower measurement frock 24 that described locating mechanism 2 comprises fixing tool 21, limiting tool 16, is slidably matched with described fixing tool 21, described movable tooling 23 is provided with a supporting pilot hole 231, and described fixing tool 21 is provided with a measurement and positioning hole 211 of setting up corresponding to described supporting pilot hole 231;
Described fixing tool 21 and movable tooling 23 are metal material, can shield the magnetic field of heater coil 10, thereby the not exposed fastening piece 15 of protection is not heated;
Described fixing tool 21 is placed the plate L-type that constitutes by an active connection by fixing tool strongback and fixing tool, described movable tooling 23 is placed the plate L-type that constitutes by an active connection by movable tooling strongback and movable tooling, place on plate and have dovetail groove at the fixing tool of described fixing tool 21, described movable tooling 23 is placed in this dovetail groove and is slidably connected with it, the design of this dovetail groove gets final product the displacement of restraint frock 23 vertical direction in fixing tool 21, have measurement and positioning hole 211 on the top of the fixing tool strongback of described fixing tool 21, in described measurement and positioning hole 211, be provided with and measure frock 22, on this, measurement frock 22 sides are provided with scale marks, by fixing tool 21, movable tooling 23 and upper measurement frock 22 can accurately be located fastening piece 15, in actually operating, the afterbody of fastening piece 15 to be placed in to measurement and positioning hole 211 process,
The shape of described upper measurement frock 22 can just overlap with measurement and positioning hole 211, and the zero graduation line of upper measurement frock 22 is from this edge, also can not overlap with measurement and positioning hole 211, but the zero graduation of the scale marks of upper measurement frock 22 is also from the edge in measurement and positioning hole 211, set as required scale marks zero position again or by a kind of account form, fastening piece 15 length of inserting in measurement and positioning hole 211 can be controlled and measure to upper measurement frock 22, is annealing zero position size;
Have supporting pilot hole 231 on the top of the movable tooling strongback of described movable tooling 23, described fixing tool strongback and described movable tooling strongback can fit tightly, and described lower measurement frock 24 is embedded in described fixing tool strongback and fixing tool is placed plate intersection, and described lower measurement frock 24 is provided with scale marks, in the time that fixing tool 21 and movable tooling 23 fit tightly, the edge line that movable tooling 23 is fitted is just positioned on the zero graduation line of lower measurement frock 24, if be designed to the form of replaceable fixing tool strongback and movable tooling strongback, can set as required scale marks zero position by a kind of account form, lower measurement frock 24 is used for measuring the distance between fixing tool 21 fixing tool strongbacks and movable tooling 23 movable tooling strongbacks, be annealing width dimensions, in the middle of fixing tool 21 and movable tooling 23, also can be provided with a limiting tool 16, described limiting tool 16 is cylinder, pass described fixing tool strongback by the limiting tool open holes 161 having on fixing tool strongback, in the time that needs are set annealing width dimensions, the distance of adjusting between fixing tool strongback and movable tooling strongback can realize, therefore be deep into distance between the two for limiting tool 16, this distance because of the axis of limiting tool 16 parallel with the axis of lower measurement frock 24, so can judge concrete numerical value by lower measurement frock 24, this numerical value is annealing width dimensions,
Described fixing tool strongback and movable tooling strongback all can be changed according to the diameter of fastening piece 15, the aperture of adjusting measurement and positioning hole 211 and supporting pilot hole 231 with this;
On worktable 1, also comprise the first positioning cylinder 13, the axis of the cylinder output shaft 131 of described the first positioning cylinder 13 and the axis conllinear that supports pilot hole 231, described cylinder output shaft 131 is worn and is penetrated fixing tool 21 fixing with movable tooling 23, under the promotion of the first positioning cylinder 13, cylinder output shaft 131 can arbitrarily slide movable tooling 23 on fixing tool 21, so can arbitrarily regulate the distance between fixing tool 21 and movable tooling 23.
Be slidably connected in fixing tool 21 bottoms and a slide rail 5, on this slide rail 5, be equipped with buffer spring 6, the sidewall butt of this buffer spring 6 and described fixing tool 21, described slide rail 5 is also worn the bottom of penetrating cannulated sleeve 32, and this cannulated sleeve 32 is also slidably adjusted on this slide rail 5.
As shown in Figure 10-15, described flexible drive mechanism 3 comprises flexible shaft 33, cannulated sleeve 32 and flexible bearing assembly 31, for the flexible shaft 33 of the tubular shaft of non-metallic material is arranged in the internal cavity of cannulated sleeve 32, the two ends of described cannulated sleeve 32 are all threaded with described flexible bearing assembly 31, this flexible bearing assembly 31 supports described flexible shaft 33, wear and penetrate the two ends difference connecting ejector pin 35 of cannulated sleeve 32 and the output shaft of motor 4 at described flexible shaft 33, described thimble 35 can use to be threaded and also can use annular knurl to connect;
Described thimble 35 coordinates with supporting pilot hole 231, and just can with the form fit of fastening piece 15, it is that umbrella and middle part are cavity that the shape of described fastening piece 15 mostly is one end, so can coordinating with this umbrella end, thimble 35 sets a shape, make it just can snap in fastening piece 15 ends, and supporting pilot hole 231 is the taper shape coordinating with the umbrella end of fastening piece 15 with thimble 35 abutting ends;
On the flat board that the table top that described motor 4 is fixed on worktable 1 is provided with, flat board is arranged on a guide rail by a chute, and this guide rail is provided with worktable 1 top, promotes flat board allow motor 4 move on guide rail by the second positioning cylinder 14;
And the design of the tubular shaft of the non-metallic material of flexible shaft 33 is its degree of flexibility to form non-rigid output when flexible shaft 33 rotates in order better to ensure;
In described cannulated sleeve 32 internal cavities, be provided with and intercept spring 34, be equipped with described obstruct spring 34 at the outer wall of flexible shaft 33, the interior diameter of described obstruct spring 34 is greater than the outer diameter of described flexible shaft 33, and described obstruct spring 34 does not contact with flexible shaft 33;
When flexible shaft 33 is during in the interior generation slight bending of cannulated sleeve 32, due to the effect of the obstruct spring 34 in cannulated sleeve 32, even if bend, flexible shaft 33 is also that line contacts with intercepting spring 34 inner sides, if and do not intercept spring 34, flexible shaft 33 is that face contacts with cannulated sleeve 32, can effectively reduce frictional force so increase obstruct spring 34;
Described flexible bearing assembly 31 comprises outer back-up ring 311 and neck bush 312 and the steel ball 314 of supporting connection;
Described neck bush 312 is hollow cylinder, and on the inwall of this neck bush 312, evenly have 6 open holess 3121, the outside scattering centered by the axle center of neck bush 312 of described open holes 3121 is offered, and the central axis of described open holes 3121 is perpendicular to the central axis of described neck bush 312, this open holes 3121 is through hole, described open holes 3121 is less than open holes 3121 diameters of other parts and the diameter of described steel ball 314 with the diameter of the cavity connectivity part of neck bush 312, guarantee steel ball 314 is put into deenergize and is exposed 1/3 ball, and does not fall;
Neck bush cavity 3122 is less than the head outer diameter of the fastening piece 15 of needs processing near the internal cavity diameter of thimble 35 one end, be when ensureing that thimble 35 bounces back along with flexible shaft 33, and neck bush 312 can intercept fastening piece 15 outside;
The hollow cylinder of described outer back-up ring 311 for coordinating with neck bush 312, on the inwall of this outer back-up ring 311, have the mounting groove 3111 being communicated with the open holes 3121 of neck bush 312, this mounting groove 3111 is ring groove, and circumference six position of halving of the mounting groove 3111 on described outer back-up ring 311 inwalls mill out 6 pickup grooves 3112, and the position of this pickup groove 3112 is corresponding with described open holes 3121;
In the open holes 3121 being communicated with and mounting groove 3111, be provided with flexible compression spring 313, one end of this flexible compression spring 313 is connected with steel ball 314, and described steel ball 314 is placed in open holes 3121, and moves freely in this open holes 3121; The minimum diameter of described outer back-up ring 311 outer walls is greater than the diameter of the boring cavity of cannulated sleeve 32;
When flexible bearing assembly 31 is installed, first steel ball 314 and flexible compression spring 313 are put into 6 open holess 3121 of neck bush 312, then outer back-up ring 311 is coordinated to installation with the neck bush 312 that flexible compression spring 313 and steel ball 314 are housed by 6 place's pickup grooves 3112, again outer back-up ring 311 is rotated to 30 degree to 45 degree left and right, utilize cell wall and the flexible compression spring 313 of mounting groove 3111 and pickup groove 3112 to limit neck bush 312 and the axial relative movement of outer back-up ring 311, again flexible bearing assembly 31 entirety are screwed in cannulated sleeve 32, because the minimum outer diameter of outer back-up ring 311 is all greater than the outer wall maximum diameter of cannulated sleeve 32, so can utilize the outer back-up ring 311 of shaft shoulder restriction of cannulated sleeve 32 to move axially, then pack from the other end obstruct spring 34 matching with cannulated sleeve 32 inwalls into cannulated sleeve 32, one end same procedure of flexible bearing assembly 31 is never installed again and loads onto other flexible bearing assembly 31,
Described neck bush 312 and outer back-up ring 311 are the hollow cylinder of conical mating surface;
Add man-hour, when motor 4 drives whole output shaft and flexible shaft 33 to rotate, thimble 35 drives fastening piece 15 to rotate, due to the effect of flexible shaft 33 and flexible bearing assembly 31, when fastening piece 15 rotates in its positioning element and the friction of this positioning element less, can not cause scratch to product design.
Heating arrangements comprises the High-frequency machine 11 and the cooling circulation water tank 12 that are placed on worktable 1 one sides, and be connected to the heater coil 10 on High-frequency machine 11 and cooling circulation water tank 12, on the central axis that is centered close to supporting pilot hole 231 of this heater coil 10, the control of heating power and heat-up time is controlled by PLC or numerical control program.
Described automatic feed mechanism 7, described automatic feed mechanism 7 comprises a vibrations loading plate 71 and the material loading clamp assemblies 72 being mated, on described material loading clamp assemblies 72, expect between flexible drive mechanism 3 and locating mechanism 2, the realization of automatic feed mechanism 7 functions still needs to have coordinated with locating mechanism 2, flexible drive mechanism 3.
Above described movable tooling 23, be provided with a blanking slide plate 8, this blanking slide plate 8 is acute angle with the angle of horizontal plane, one end of described blanking slide plate 8 is higher than the other end, and highly higher one end is positioned at movable tooling 23 tops, and below, highly short one end is provided with a tank 9.
The working process of the present embodiment:
Before equipment work, first adjust the position of heater coil 10, ensure heater coil 10 and measurement and positioning hole 211, the right alignment of supporting pilot hole 231 and thimble 35, when fastening piece 15 enters, the distance of the inwall of heater coil 10 and fastening piece 15 is even, adjust measurement frock 22 and limiting tool 16, fixing tool 21 in guarantee locating mechanism 2 and the position relationship between movable tooling 23, thereby ensure annealing zero position and annealing width dimensions, adjust the location matches relation between electric program and each mechanism of equipment simultaneously, the stroke that ensures each mechanism is correct.
When equipment is started working, first material loading clamp assemblies 72 is clamped fastening piece 15 heads on the guide rail of vibrations loading plate 71, by cylinder control, fastening piece 15 is delivered to district to be processed, the now supporting pilot hole 231 on fastening piece 15 axis, locating mechanism 2 and flexible shaft 33 almost coaxials, and fastening piece 15 afterbodys are towards locating mechanism 2, and its head is towards flexible drive mechanism 3; Now, the first positioning cylinder 13 promotes movable tooling 23 to front slide, while arriving spacing position, fastening piece 15 afterbodys all penetrate in the supporting pilot hole 231 of movable tooling 23, then the material loading clamp assemblies 72 that clamps fastening piece 15 heads unclamps and returns zero position, and de-clamping shakes next fastening piece 15 on loading plate guide rail 71.
Then the first positioning cylinder 13 pulls movable tooling 23 to return backward zero position together with the fastening piece 15 on it, will arrive shortly spacing position before a bit, the limiting tool 16 that movable tooling 23 is fixed in frock 21 is to stopping, it is that lower measurement frock 24 scale readings that first being processed is passed through fixing tool 21 downsides are determined that described limiting tool 16 is clipped in distance between movable tooling 23 and fixing tool 21, and fix with tap bolt, and the distance that limiting tool 16 limits is the annealing width of the finished product.
At this moment the second positioning cylinder 14 pushing motors 4 slide to fastening piece 15 together with flexible shaft 33 and thimble 35, while arriving spacing position, thimble 35 just in time penetrates fastening piece 15 heads, and promote fastening piece 15 and enter completely in the measurement and positioning hole 211 of fixing tool 21, now fastening piece 15 should be in the heating region of heater coil 10.
Afterwards, the second positioning cylinder 14 is also being pushed ahead, due to stopping of locating mechanism 2, fastening piece 15 is firmly connected on thimble 35, there is slight bending in flexible shaft 33, still, due to flexible bearing assembly 31, flexible shaft 33, buffer spring 6 threes' effect, bending is cleared up immediately, when thimble 35 withstands fastening piece 15, the buffer spring 6 on described slide rail 5 can be to there being the locating mechanism 2 of setback force to play a shock absorption.
Start rotation with rear motor 4, drive flexible shaft 33, thimble 35 and fastening piece 15 rotate, due to flexible bearing assembly 31, flexible shaft 33, buffer spring 6 threes' effect, fastening piece 15 is stressed less on the axial direction due perpendicular to flexible shaft 33, only measured the position-limiting action of pilot hole 211 and supporting pilot hole 231, and sense of rotation degree of freedom is larger, between fastening piece 15 and measurement and positioning hole 211 and supporting pilot hole 231, frictional force is very little, can not stop fastening piece 15 rotation in measurement and positioning hole 211 and supporting pilot hole 231, and in rotary course, measurement and positioning hole 211 and supporting pilot hole 231 can not cause damage to fastening piece 15 surfaces,
In the time that flexible shaft 2 rotates, steel ball 64 in flexible bearing assembly 6 will play to the flexible shaft 2 rotating the effect of a buffering, steel ball 64 can be along with the stressed variation of flexible shaft 2 moves up and down in the passage that neck bush 62 and outer back-up ring 61 form, and because the design of open holes 621, steel ball 64 can all not reveal in the cavity of neck bush 62, but also can partly be connected on flexible shaft 2, thereby play the shock absorption to flexible shaft 2.
After motor 4 starts rotation, the High-frequency machine 11 that PLC controls is started working, heater coil 10 starts fastening piece 15 parts in wherein to carry out induction heating and annealing, and fastening piece 15 head-tail branches in measurement and positioning hole 211 and supporting pilot hole 231 are due to the shielding effect of electromagnetism, can sensedly not heat.
After annealing, High-frequency machine 11 and heater coil 10 quit work, stop the rotation with rear motor 4, flexible shaft 33 and fastening piece 15 also stop the rotation, then motor 4 is retracted zero position by the second positioning cylinder 14, thimble 35 also retreats to zero position with fastening piece 15, in the process retreating, because the head outer of fastening piece 15 is larger than the diameter of neck bush 3 cavitys 3122 in flexible bearing assembly 31, stopped and come off by flexible bearing assembly 31, fall on blanking slide plate 8, and slide in tank 9 cooling.
Arrive this, a fabrication cycles completes.Then, material loading clamp assemblies 72 is clamping another fastening piece 15 and is delivering to district to be processed, starts fabrication cycles next time.
Above embodiments of the invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variation and improvement etc. of doing according to the scope of the invention, within all should still belonging to this patent covering scope.

Claims (10)

1. a spot anneling equipment for fastening piece, is characterized in that: comprise locating mechanism (2), flexible drive mechanism (3) and for heating the heating arrangements of fastening piece;
Movable tooling (23) and upper measurement frock (22) that described locating mechanism (2) comprises fixing tool (21), is slidably matched with described fixing tool (21), described movable tooling (23) is provided with a supporting pilot hole (231), described fixing tool (21) is provided with a measurement and positioning hole (211) of setting up corresponding to described supporting pilot hole (231), and described upper measurement frock (22) is arranged in this measurement and positioning hole (211);
Described flexible drive mechanism (3) comprises flexible shaft (33), cannulated sleeve (32) and flexible bearing assembly (31), described flexible shaft (33) is worn ejaculation from the internal cavity of cannulated sleeve (32), the end face of cannulated sleeve (32) is connected with described flexible bearing assembly (31), this flexible bearing assembly (31) supports described flexible shaft (33), the axis conllinear of the axis of described flexible shaft (33) and measurement and positioning hole (211) and supporting pilot hole (231).
2. the spot anneling equipment of a kind of fastening piece according to claim 1, it is characterized in that: described locating mechanism (2) also comprises lower measurement frock (24), this lower measurement frock (24) is set up at fixing tool (21) and the cooperation of movable tooling (23) closest range place, and described lower measurement frock (24) is provided with scale marks, in described upper measurement frock (22), be also provided with scale marks.
3. the spot anneling equipment of a kind of fastening piece according to claim 1, it is characterized in that: described movable tooling (23) comprises movable tooling placement plate and movable tooling strongback, described movable tooling places plate and movable tooling strongback is flexibly connected, and described supporting pilot hole (231) is opened on movable tooling strongback; Described fixing tool comprises that the fixing tool of two flexible connections places plate and fixing tool strongback, has measurement and positioning hole (211) and described fixing tool and place plate and be slidably matched with movable tooling placement plate on described fixing tool strongback.
4. according to the spot anneling equipment of a kind of fastening piece described in claim 1,2 or 3, it is characterized in that: also comprise a limiting tool (16), described limiting tool (16) is worn and is penetrated fixing tool (21) and be connected with it, and the axis of this limiting tool (16) is parallel with the axis of lower measurement frock (24).
5. the spot anneling equipment of a kind of fastening piece according to claim 1, it is characterized in that: flexible shaft (33) one end in described flexible drive mechanism (3) is connected with a thimble (35), the axis conllinear of the axis of this thimble (35) and described supporting pilot hole (231) and measurement and positioning hole (211).
6. a kind of spot anneling equipment of fastening piece according to claim 1 or 5, it is characterized in that: described flexible bearing assembly (31) comprises outer back-up ring (311) and neck bush (312) and the steel ball (314) and flexible compression spring (313) of supporting connection, described neck bush (312) is hollow cylinder, and on the inwall of this neck bush (312), have open holes (3121), this open holes (3121) is through hole and its central axis central axis perpendicular to described neck bush (312), described open holes (3121) is less than open holes (3121) diameter of other parts and the diameter of described steel ball (314) with the diameter of neck bush cavity (3122) connectivity part, described outer back-up ring (311) is the hollow cylinder coordinating with neck bush (312), the minimum diameter of described outer back-up ring (311) outer wall is greater than the diameter of the boring cavity of cannulated sleeve (32), on the inwall of this outer back-up ring (311), have the mounting groove (3111) being communicated with the open holes (3121) of neck bush (312), in the open holes (3121) being communicated with and mounting groove (3111), be provided with flexible compression spring (313), one end of this flexible compression spring (313) is connected with steel ball (314), described steel ball (314) is placed in open holes (3121).
7. the spot anneling equipment of a kind of fastening piece according to claim 6, it is characterized in that: in described cannulated sleeve (32) internal cavities, be provided with and intercept spring (34), be equipped with described obstruct spring (34) at the outer wall of flexible shaft (33), the interior diameter of described obstruct spring (34) is greater than the outer diameter of described flexible shaft (33).
8. according to the spot anneling equipment of a kind of fastening piece described in claim 1 or 7, it is characterized in that: described heating arrangements comprises a heater coil (10), on the central axis that is centered close to supporting pilot hole (231) of this heater coil (10).
9. according to the spot anneling equipment of a kind of fastening piece described in claim 1 or 7, it is characterized in that: fixing tool (21) bottom of described locating mechanism (2) is slidably connected with a slide rail (5), on this slide rail (5), be also provided with buffer spring (6), the sidewall butt of this buffer spring (6) and described fixing tool (21).
10. the spot anneling equipment of a kind of fastening piece according to claim 8, it is characterized in that: also comprise automatic feed mechanism (7), described automatic feed mechanism (7) comprises a vibrations loading plate (71) and the material loading clamp assemblies (72) being mated, and expects between flexible drive mechanism (3) and locating mechanism (2) on described material loading clamp assemblies (72).
CN201410432388.2A 2014-08-28 2014-08-28 A kind of spot anneling equipment of fastening piece Active CN104152661B (en)

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CN201410432388.2A CN104152661B (en) 2014-08-28 2014-08-28 A kind of spot anneling equipment of fastening piece

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Application Number Priority Date Filing Date Title
CN201410432388.2A CN104152661B (en) 2014-08-28 2014-08-28 A kind of spot anneling equipment of fastening piece

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CN106340405A (en) * 2016-09-27 2017-01-18 中山方圆谷涂装科技有限公司 High-voltage capacitor string fabrication process
CN113483711A (en) * 2021-06-30 2021-10-08 大陆汽车电子(连云港)有限公司 Flexible coupling mechanism and displacement sensing device with same

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JP2006037199A (en) * 2004-07-29 2006-02-09 Mitsubishi Heavy Ind Ltd Apparatus for improving residual stress in piping
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CN106340405A (en) * 2016-09-27 2017-01-18 中山方圆谷涂装科技有限公司 High-voltage capacitor string fabrication process
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CN113483711A (en) * 2021-06-30 2021-10-08 大陆汽车电子(连云港)有限公司 Flexible coupling mechanism and displacement sensing device with same

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