CN109249244A - A kind of tapping fixture of automobile abnormity draw nut - Google Patents
A kind of tapping fixture of automobile abnormity draw nut Download PDFInfo
- Publication number
- CN109249244A CN109249244A CN201811490682.3A CN201811490682A CN109249244A CN 109249244 A CN109249244 A CN 109249244A CN 201811490682 A CN201811490682 A CN 201811490682A CN 109249244 A CN109249244 A CN 109249244A
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- Prior art keywords
- tapping
- draw nut
- slot
- wheel rim
- main body
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 136
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000005056 compaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004512 die casting Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The present invention discloses a kind of tapping fixture of automobile abnormity draw nut, and draw nut by one there is gradient wheel rim and an ontology to be integrally formed.Wherein, tapping jig main body top surface has a ramp；The draw nut of interior location type slot and filling that it is equipped with matches, and spacer pin corresponds to the limiting section setting of draw nut, and multiple threaded holes correspond to multiple screw settings, and discharging depth of groove is greater than the flange thickness of draw nut, and forms handhold part；Tapping clamp platen, equipped with the straight trough and the left and right sliding slot that forms of a skewed slot and resigning portion by communicating；Multiple screws sequentially push locking compressed spring, large washer, tapping clamp platen on tapping jig main body by the cooperation with multiple threaded holes；The tapping clamp platen has a lower inclined plane, and the lower inclined plane bevel angle is consistent with the ramp bevel angle of tapping jig main body.The automobile abnormity draw nut tapping fixture that the tapping clamp structure is simple and convenient to operate, positioning accuracy is high, is had a safety feature.
Description
Technical field
The present invention relates to tooling and fixture technical field, refer in particular to a kind of tapping fixture of fastener, in particular to a kind of
The tapping fixture of the automobile abnormity draw nut of die casting or hot forging.
Background technique
Vehicle traction nut is a kind of traction attaching nut on trailer ring or traction seat, automobile need draw or
It is used when trailer.For general passenger car, draw nut is installed in collision prevention girders more, directly will traction when automobile needs to draw
Ring is screwed into bail nut and can draw to vehicle.Although it is not sufficiently complex and noticeable component zero
Part, but the safety component that a car weight is wanted.The tractive force as needed for general trailer is larger, to screw thread quality and by force
Degree has very strict requirements.If screw thread process is bad, it is more likely that lead to serious safety accident.
Currently, draw nut generally uses die casting or hot forging process to produce, shape is irregular, and conventional installation way is difficult to
Implement.And since intensity height, tapping torque are big after die casting or hot forging for nut, this just needs to provide bigger chucking power.But it is existing
Some tapping clamp structure complexity, installation and fixed product trouble have been attacked disassembly product operation complexity, low efficiency after tooth, and have been deposited
Positioning accuracy is high, tapping scrappage is high, quality stability is poor, operates the problems such as there are security risks.
Specifically, the tapping fixture of draw nut has the following disadvantages at present:
First is that tapping clamp structure is complicated, clamping stability is poor, and tapping process easily pine turns；Positioning accuracy is poor, it is difficult to guarantee
Tapping Quality, difficulty of processing is big and operation is bothersome laborious.
Second is that troublesome in poeration, low efficiency: existing fixture uses locking type pressure plate structure, and structure is sufficiently complex, installs and solid
Fixed output quota product trouble, needs to install bolt one by one, has attacked after tooth and bolt is dismantled one by one again, finally detaching products are got off, and operates
Bothersome laborious, low efficiency.
Third is that positioning accuracy, quality stability are poor, scrappage is high: if the use of wheel rim 11 being clamping position portion, positioning accurate
It is poor to spend, it is difficult to guarantee Tapping Quality.
Fourth is that safe operation performance is poor: since tapping torque is larger, if clamping is unstable or does not increase pressing plate and fixes, pole
Easily occur workpiece during tapping loosen, abjection, or even can production development accident, to jeopardize operator safe.Clamping is not
It tightly will also result in the bad askew tooth of screw thread quality, oblique tooth.
Fifth is that using above there is security risk: the askew tooth of nut, oblique tooth will cause automobile sliding teeth in traction, not coaxially, unanimously
Property it is poor, influence assembly and even lead to serious safety accident.
Therefore existing conventional tapping clamping method and fixture design have the space of promotion.It is a kind of easy to operate, fixed to design
The special-shaped draw nut tapping fixture that position precision is high, has a safety feature is very necessary.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention provide a kind of structure is simple and convenient to operate, positioning accuracy is high,
The tapping fixture for the automobile abnormity draw nut having a safety feature.
To reach above-mentioned purpose, the present invention adopts the following technical scheme:
A kind of tapping fixture of automobile abnormity draw nut, including tapping jig main body, tapping clamp platen, big pad
Circle, multiple screws, and it is arranged compressed spring over a number of screws；The draw nut is by one bodily form of a wheel rim and an ontology
At the wheel rim has gradient, is equipped with more than one limiting section in wheel rim；Wherein, it is default to be equipped with one for tapping jig main body
The top surface of bit-type slot, a spacer pin, a discharging groove and multiple threaded holes, the tapping jig main body has a ramp；It is described
The draw nut of interior location type slot and filling matches, and spacer pin corresponds to the limiting section setting of draw nut, multiple threaded holes pair
Answer multiple screws to be arranged, discharging depth of groove is greater than the flange thickness of draw nut, and the wheel rim of draw nut some
The suspension of discharging groove, forms handhold part；Tapping clamp platen is equipped with left and right sliding slot and resigning portion；The left and right sliding slot by
The straight trough communicated and a skewed slot form the L shape hole slot at an oblique angle；Multiple screws by the cooperation with multiple threaded holes, sequentially under
Pressure locking compressed spring, large washer, tapping clamp platen are on tapping jig main body；The tapping clamp platen is oblique with one
Face, the lower inclined plane bevel angle are consistent with the ramp bevel angle of tapping jig main body.
A kind of tapping fixture of automobile abnormity draw nut as described above, between tapping clamp platen and compressed spring
Equipped with large washer.
A kind of tapping fixture of automobile abnormity draw nut as described above, the positioning type groove from top to bottom sequentially by
A wheel rim embedded groove, the ontology insertion deep trouth and one communicated goes out bits through slot composition；The inner sidewall shape of the ontology insertion deep trouth
Shape is process according to the ontology outer dimension of draw nut, the wheel rim embedded groove inner sidewall shape according to the wheel rim of draw nut outside
Shape dimensioned forms, and the root edge face of the wheel rim embedded groove has the bevel angle to match with the gradient of wheel rim.
A kind of tapping fixture of automobile abnormity draw nut as described above, the ramp angle of chamfer of tapping jig main body
Degree, tapping clamp platen lower inclined plane bevel angle and position type groove wheel rim embedded groove root edge face bevel angle with traction
The wheel rim gradient of nut cooperates.
A kind of tapping fixture of automobile abnormity draw nut as described above, the limiting section of the draw nut include the
One limit ear slot, the second limit ear slot and a limit straight flange；The first limit ear slot corresponds to spacer pin setting；The location type
The corresponding second limit ear slot of the wheel rim embedded groove of slot and limit straight flange are respectively corresponded equipped with protrusion and flat side.
Compared to the prior art, technical solution provided by the invention has the following beneficial effects:
First is that tapping fixture of the present invention uses the tooth jig main body and tapping clamp platen of upper lower inclined plane cooperation, optimization, letter
Change the special-shaped draw nut tapping clamp structure of tradition and installation way, clamp structure is simple, the processing is simple, installation and removal side
Just.
Second is that tapping clamp platen realizes clamping of the draw nut on tooth jig main body, operation letter by compressed spring
It is single, it is not necessarily to repeated disassembled and assembled, improves production efficiency.
Third is that by the centralized positioning for positioning type groove, and increase tapping clamp platen binder, when improving draw nut tapping
Positioning accuracy and process stability, ensure that quality stability, reduce scrappage.
Fourth is that L shape hole slot of the tapping clamp platen along oblique angle moves, and realize locking, security performance is more preferable, employee's operation
It is more safe and reliable.
It send fifth is that tapping clamp platen one pushes away one and can provide enough pressing forces for entire draw nut compaction process,
Product quality and production efficiency are obviously improved, and are significantly reduced the risks such as the askew tooth of nut, oblique tooth, sliding teeth, be ensure that product
Using quality, eliminates and use upper security risk.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic perspective view of draw nut of the present invention；
Fig. 2 is the schematic view of the front view of draw nut of the present invention；
Fig. 3 is the overlooking structure diagram of draw nut of the present invention；
Fig. 4 is the schematic perspective view of tapping clamp working-station of the present invention；
Fig. 5 is the three-dimensional assembling structure schematic diagram of tapping fixture of the present invention；
Fig. 6 is the main view assembling structure schematic diagram of tapping fixture of the present invention；
Fig. 7 is the overlooking structure diagram of tapping fixture filler of the present invention or discharge status；
Fig. 8 is the overlooking structure diagram of tapping clamp pressing draw nut operating process of the present invention；
Fig. 9 is the overlooking structure diagram of tapping fixture secure gripping condition of the present invention；
Figure 10 is the schematic perspective view of tapping jig main body of the present invention；
Figure 11 is the schematic cross-sectional view of tapping jig main body of the present invention；
Figure 12 is the schematic perspective view of tapping clamp platen of the present invention；
Figure 13 is the schematic view of the front view of tapping clamp platen of the present invention；
Figure 14 is the overlooking structure diagram of tapping clamp platen of the present invention.
Specific embodiment
In order to be clearer and more clear technical problems, technical solutions and advantages to be solved, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, such as using term " the
One ", " second " or " third " etc. are provided to distinguish different objects, be not use to describe a particular order.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, for the noun of locality, such as
Using term " center ", " transverse direction ", " longitudinal direction ", "horizontal", " vertical ", "top", "bottom", "inner", "outside", "upper", "lower",
The indicating positions such as "front", "rear", "left", "right", " clockwise ", " counterclockwise " or positional relationship are orientation based on the figure
And positional relationship, and be merely for convenience of the narration present invention and simplify description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation or be constructed and operated in a specific orientation, so can not be interpreted as limiting of the invention specific
Protection scope.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, such as using term " Gu
Connect " or " being fixedly connected ", it should broadly understood, i.e., between the two without any connection side of displacement relation and relative rotation relationship
Formula, that is to say, that including be unremovably fixedly connected with, be removably secured connection, be linked together and by other devices or
Element is fixedly connected.
In claims of the present invention, specification and above-mentioned attached drawing, such as using term " includes ", " having " and they
Deformation, it is intended that " including but not limited to ".
Illustrate a kind of tapping fixture of automobile abnormity draw nut, including tapping jig main body now in conjunction with Fig. 1 to Figure 14
2, tapping clamp platen 3, large washer 4, M8 hexagon socket cap head screw 5 and the pressure being set on M8 hexagon socket cap head screw 5
Contracting spring 6 and large washer 4.Tooth jig main body 2 and tapping clamp platen 3 use mould steel.
As shown in Figure 1, Figure 2, Figure 3 shows, draw nut 1 of the present invention has a wheel rim 11 and an ontology 12, and wheel rim 11 has one
Determine gradient and ontology 12 is integrally formed.The ontology 12 is a tubular wide at the top and narrow at the bottom；The wheel rim 11 is equipped with more than one
Limiting section, the limiting section includes at least the recessed first limit ear slot 13 on the wheel rim 11, further includes recessed second
Limit ear slot 14 and a limit straight flange 15.
As shown in Figure 10, Figure 11, location type slot 22 in one is offered in the middle part of tapping jig main body 2 of the present invention, in the tapping
The top surface of jig main body 2 is fixed to be installed with a spacer pin 21, and is equipped with a discharging groove 23 and multiple M8 threaded holes 25, the tapping
The top surface of jig main body 2 has a ramp 27, and the discharging groove 23 is located on the extension 28 of 27 highest point of ramp,
Multiple M8 threaded holes 25 are set to ramp 27.
Tapping fixture of the present invention mainly passes through location type slot 22 in tapping jig main body 2 and carries out accurate centralized positioning, and
It prevents from rotating by the freedom degree that position-limitting pin 21 limits draw nut 1.It is that the present invention is pressed by compressed spring 6 and can be along upper
The tapping clamp platen 3 that inclined-plane 27 slides plays the role of compressing draw nut 1.
The tapping jig main body 2 is carried out by four M10 threaded holes 24 that bottom end is equipped with using bolt and workbench
Connection.
It is sequentially embedded in from top to bottom by the wheel rim embedded groove 221, the ontology that communicate specifically, the present invention positions type groove 22
Deep trouth 222 and one goes out the bits composition of through slot 223, considers through slot 223 to be worth doing out for tooth bits to be discharged.The inside of the ontology insertion deep trouth 222
Wall shape is process according to 12 outer dimension of ontology of draw nut 1, and the 221 inner sidewall shape of wheel rim embedded groove is according to traction spiral shell
11 outer dimension of wheel rim of mother 1 is process.The wheel rim 11 of the draw nut 1 has constant slope and 12 1 bodily form of ontology
At the root edge face 221A of the wheel rim embedded groove 221 has the bevel angle to match with the gradient of wheel rim 11, specifically, institute
The root edge face 221A angle for stating wheel rim embedded groove 211 and 111 angle of ramp-like lower surface of wheel rim 11 match.Spiral shell is drawn on clamping
After mother 1, the ramp-like lower surface 111 of the draw nut wheel rim 11 is fitted on the root edge face 221A of wheel rim embedded groove 221.
Position-limitting pin 21 is fixed on tapping jig main body 2 using interference fit or thread fiting mode, with draw nut 1
On the first limit ear slot 13 cooperate, play the role of limiting draw nut 1 rotating during tapping.In the present embodiment, positioning
The second recessed limit ear slot 14 and limit straight flange 15 are respectively corresponded and are equipped on the corresponding wheel rim 11 of the wheel rim embedded groove 221 of type groove 22
Protrusion 221C and flat side 221B is rotated with further playing the role of limiting draw nut 1 during tapping.
Two M8 hexagon socket cap head screws 5 sequentially push locking compression bullet by the cooperation with two M8 threaded holes 25
Spring 6, large washer 4, tapping clamp platen 3 are on the top surface of tapping jig main body 2.
23 depth of discharging groove is greater than 11 thickness of wheel rim of draw nut 1, on clamping after draw nut 1, draw nut 1
Some is suspended wheel rim 11 at discharging groove 23, is formed handhold part, is facilitated discharging after 1 tapping of draw nut.
27 bevel angle of ramp of tapping jig main body 2,34 bevel angle of lower inclined plane of tapping clamp platen 3 and positioning
The root edge face 221A bevel angle of the wheel rim embedded groove 221 of type groove 22 cooperates with 11 gradient of wheel rim of draw nut 1, to guarantee
Positioning accuracy.
The tapping clamp platen 3 is pressed on tapping jig main body 2 by compressed spring 6.
The tapping clamp platen 3 is equipped with left and right sliding slot 31, slot 32 and resigning portion 33.The left and right sliding slot 31 by
The straight trough 311 communicated and a skewed slot 312 form the L shape hole slot at an oblique angle, limit tapping clamp platen 3 in tapping fixture master
The track and direction slid on body 2.
It is described that slot 32 is recessed on tapping clamp platen 3, for facilitating operator to grasp the tapping clamp platen 3 to drive
Dynamic pressure plate 3 slides, subsequent that pneumatic device driving also can be used.
The resigning portion 33 is concave arc shape, for being the wheel rim 11 of resigning draw nut 1 in filler.Tapping clamp platen 3
Downside have a lower inclined plane 34,27 bevel angle one of ramp of 34 bevel angle of lower inclined plane and tapping jig main body 2
It causes, meets self-locking requirement.In the present embodiment, 34 bevel angle of lower inclined plane and 27 bevel angle of ramp are 10 °, and two tiltedly
The polished processing in face, to reduce operation resistance.The lower of 2 ramp 27 of self-tap jig main body, which hoists, pushes the tapping
Clamp platen 3, compressed spring 6 compresses tapping clamp platen 3 when the cooperation on this two inclined-plane can guarantee working condition.
It elaborates with reference to the accompanying drawing to the working principle of tapping fixture of the present invention:
Original state after Fig. 7 tapping fixture installation of the present invention, two M8 hexagon socket cap head screws 5 sequentially pass through compression
Spring 6, large washer 4 and tapping clamp platen 3, before being screwed onto the skewed slot 312 of the left and right sliding slot 31 of tapping jig main body 2
End, at this point, as shown in fig. 6,6 decrement of compressed spring is smaller, it is sliding on tapping jig main body 2 convenient for tapping clamp platen 3
It is dynamic.
When filler, by the positioning type groove 22 of draw nut 1 to be processed filling tapping jig main body 2, position in type groove 22
Sidewall shape is processed according to draw nut outer dimension, to carry out accurate centralized positioning to draw nut 1 to be processed, and passes through limit
Position pin 21 limits the freedom degree of draw nut 1 to be processed, dynamic to prevent rotation stop.Tapping clamp platen 3 is made in 6 pressure of compressed spring
Under, the lower inclined plane 34 of tapping clamp platen 3 is bonded with 27 part of ramp of tapping jig main body 2.
When compressing draw nut 1, tapping clamp platen 3 is pushed to 1 direction of draw nut, tapping clamp platen 3 is along left and right
The skewed slot 312 of sliding slot 31 moves up, such as the direction A in Fig. 6 and Fig. 7, compressed spring 6 by gradually compression, pressing force linearly by
Step increases.As shown in figure 8, when compressed spring 6 is located at the joint of straight trough 311 and skewed slot 312, the decrement of compressed spring 6
Reach maximum.The straight trough 311 of tapping clamp platen 3 is pushed to be moved to 311 end of straight trough shown in Fig. 9 along the direction B shown in fig. 8
When end position, entire 1 compaction process of draw nut is completed.
As described above, the ramp 27 of the lower inclined plane 34 and tapping jig main body 2 of tapping clamp platen 3 of the present invention is matched
It closes, 6 decrement of compressed spring of original state is smaller after tapping fixture can be made to install, and reduces resistance when pushing pressing plate 3；Also may be used
6 decrement of compressed spring when completing 1 compaction process of draw nut is larger, increases pressing force, prevents from drawing during tapping
Nut 1 loosens, abjection jeopardizes operator's safety.
The left and right sliding slot 31 of the present invention is designed as the L shape hole slot at oblique angle, slides onto tapping clamp platen 3 as shown in Figure 8
After position compressed spring 6 is located at the joint of straight trough 311 and skewed slot 312, increases the step of translating tapping clamp platen 3 and locks,
To prevent tapping clamp platen 3, along the ramp 27 of tapping jig main body 2, sliding leads to draw nut 1 downwards during tapping
Clamping failures.
When wanting discharging, only tapping clamp platen 3 need to reversely be translated along the straight trough 311 of left and right sliding slot 31, translation direction is such as
Direction C shown in Fig. 9, when compressed spring 6 is located at the joint of straight trough 311 and skewed slot 312, direction D shown in Fig. 8 is pushed away for another example
Dynamic tapping clamp platen 3, so that tapping clamp platen 3 slides along skewed slot 312, it is oblique up to being located at as shown in Figure 7 of compressed spring 6
The front end of slot 312 grabs the handhold part of draw nut 1, takes out the draw nut 1 processed at this time from discharging groove 23
?.
Above-mentioned 1 compaction process of entire draw nut, which not only can guarantee, provides enough pressing forces, but also not necessarily like existing fixture
Driving screws, remover-and-replacer pressing plate equally repeatedly.Only need to push away tapping clamp platen 3 one send can reach compression and tear open
The purpose unloaded.Relatively traditional tapping fixture, disassembly is more convenient, and more efficient, fixed effect is higher, and positioning accuracy also has guarantor
Card.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (6)
1. a kind of tapping fixture of automobile abnormity draw nut, which is characterized in that pressed from both sides including tapping jig main body (2), tapping
Have pressing plate (3), large washer (4), multiple screws (5), and the compressed spring (6) being set on multiple screws (5)；The traction spiral shell
Female (1) is integrally formed by a wheel rim (11) and an ontology (12), and the wheel rim (11) has gradient, is equipped with one in wheel rim (11)
A above limiting section；Wherein, tapping jig main body (2) are equipped with location type slot (22), a spacer pin (21) in one, a discharging
The top surface of groove (23) and multiple threaded holes (25), the tapping jig main body (2) has a ramp (27)；The interior location type
Slot (22) and the draw nut (1) of filling match, the limiting section setting of spacer pin (21) corresponding draw nut (1), multiple spiral shells
Corresponding multiple screw (5) settings of pit (25), discharging groove (23) depth are greater than wheel rim (11) thickness of draw nut (1), and
Some is suspended the wheel rim (11) of draw nut (1) at discharging groove (23), forms handhold part；
Tapping clamp platen (3) is equipped with left and right sliding slot (31) and resigning portion (33)；The left and right sliding slot (31) by communicate one
Straight trough (311) and a skewed slot (312) form the L shape hole slot at an oblique angle；Multiple screws (5) with multiple threaded holes (25) by matching
It closes, sequentially pushes locking compressed spring (6), large washer (4), tapping clamp platen (3) on tapping jig main body (2)；This is attacked
Tooth clamp platen (3) has a lower inclined plane (34), the ramp of lower inclined plane (34) bevel angle and tapping jig main body (2)
(27) bevel angle is consistent.
2. a kind of tapping fixture of automobile abnormity draw nut as described in claim 1, which is characterized in that tapping fixture pressure
Large washer (4) are equipped between plate (3) and compressed spring (6).
3. a kind of tapping fixture of automobile abnormity draw nut as claimed in claim 1 or 2, which is characterized in that described fixed
Bit-type slot (22) from top to bottom sequentially by communicate a wheel rim embedded groove (221), an ontology insertion deep trouth (222) and one go out bits lead to
Slot (223) composition；The ontology is embedded in the inner sidewall shape of deep trouth (222) according to ontology (12) outer dimension of draw nut (1)
Be process, wheel rim embedded groove (221) the inner sidewall shape according to draw nut (1) wheel rim (11) outer dimension processing and
At the root edge face (221A) of the wheel rim embedded groove (221) has the bevel angle to match with the gradient of wheel rim (11).
4. a kind of tapping fixture of automobile abnormity draw nut as claimed in claim 3, which is characterized in that tapping fixture master
Ramp (27) bevel angle of body (2), lower inclined plane (34) bevel angle of tapping clamp platen (3) and positioning type groove (22)
Root edge face (221A) bevel angle of wheel rim embedded groove (221) cooperates with wheel rim (11) gradient of draw nut (1).
5. a kind of tapping fixture of automobile abnormity draw nut as claimed in claim 3, which is characterized in that the traction spiral shell
The limiting section of female (1) includes the first limit ear slot (13), the second limit ear slot (14) and limit straight flange (15)；First limit
Position ear slot (13) corresponding spacer pin (21) setting；Corresponding second position-limiting ear of the wheel rim embedded groove (221) of positioning type groove (22)
Slot (14) and limit straight flange (15) are respectively corresponded equipped with protrusion (221C) and flat side (221B).
6. a kind of tapping fixture of automobile abnormity draw nut as claimed in claim 4, which is characterized in that the traction spiral shell
The limiting section of female (1) includes the first limit ear slot (13), the second limit ear slot (14) and limit straight flange (15)；First limit
Position ear slot (13) corresponding spacer pin (21) setting；Corresponding second position-limiting ear of the wheel rim embedded groove (221) of positioning type groove (22)
Slot (14) and limit straight flange (15) are respectively corresponded equipped with protrusion (221C) and flat side (221B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490682.3A CN109249244B (en) | 2018-12-07 | 2018-12-07 | Tapping clamp for special-shaped traction nut for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490682.3A CN109249244B (en) | 2018-12-07 | 2018-12-07 | Tapping clamp for special-shaped traction nut for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109249244A true CN109249244A (en) | 2019-01-22 |
| CN109249244B CN109249244B (en) | 2024-06-04 |
Family
ID=65042489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811490682.3A Active CN109249244B (en) | 2018-12-07 | 2018-12-07 | Tapping clamp for special-shaped traction nut for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109249244B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453688A (en) * | 2022-02-23 | 2022-05-10 | 宜都市仝鑫精密锻造有限公司 | Traction piece tapping screw clamp and using method thereof |
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| CN204295079U (en) * | 2014-09-24 | 2015-04-29 | 浙江赛特机械有限公司 | A kind of pay-off of nut tapping machine |
| CN206047681U (en) * | 2016-09-14 | 2017-03-29 | 天津智源机械制造股份有限公司 | A kind of tapping clamp with circular arc outer end part |
| KR20170040041A (en) * | 2015-10-02 | 2017-04-12 | 성인혁 | Repair kit for around hole of fuel injector and repair method of the around hole and pulling off method of the fuel injector using thereof |
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| CN207971518U (en) * | 2017-12-06 | 2018-10-16 | 江苏蔚联机械股份有限公司 | A kind of television mullion tapping jig |
| CN208083606U (en) * | 2018-03-14 | 2018-11-13 | 广州惠德机械有限公司 | A kind of tooth machining unit |
| CN208132771U (en) * | 2018-04-24 | 2018-11-23 | 商丘金振源电子科技有限公司 | A kind of support device reprocessed for knife handle screw thread |
| CN209239538U (en) * | 2018-12-07 | 2019-08-13 | 厦门恒耀金属有限公司 | A kind of tapping fixture of automobile abnormity draw nut |
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| CN104028856A (en) * | 2014-07-07 | 2014-09-10 | 广西玉柴机器股份有限公司 | Tapping jacket |
| CN204295079U (en) * | 2014-09-24 | 2015-04-29 | 浙江赛特机械有限公司 | A kind of pay-off of nut tapping machine |
| KR20170040041A (en) * | 2015-10-02 | 2017-04-12 | 성인혁 | Repair kit for around hole of fuel injector and repair method of the around hole and pulling off method of the fuel injector using thereof |
| CN206047681U (en) * | 2016-09-14 | 2017-03-29 | 天津智源机械制造股份有限公司 | A kind of tapping clamp with circular arc outer end part |
| CN207971518U (en) * | 2017-12-06 | 2018-10-16 | 江苏蔚联机械股份有限公司 | A kind of television mullion tapping jig |
| CN207952834U (en) * | 2018-01-27 | 2018-10-12 | 东莞市鑫锐精密机械有限公司 | A kind of novel metal splint tooth machining unit |
| CN208083606U (en) * | 2018-03-14 | 2018-11-13 | 广州惠德机械有限公司 | A kind of tooth machining unit |
| CN208132771U (en) * | 2018-04-24 | 2018-11-23 | 商丘金振源电子科技有限公司 | A kind of support device reprocessed for knife handle screw thread |
| CN209239538U (en) * | 2018-12-07 | 2019-08-13 | 厦门恒耀金属有限公司 | A kind of tapping fixture of automobile abnormity draw nut |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114453688A (en) * | 2022-02-23 | 2022-05-10 | 宜都市仝鑫精密锻造有限公司 | Traction piece tapping screw clamp and using method thereof |
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| CN109249244B (en) | 2024-06-04 |
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