CN208613571U - A kind of circular pieces dilate positioning device - Google Patents
A kind of circular pieces dilate positioning device Download PDFInfo
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- CN208613571U CN208613571U CN201821274037.3U CN201821274037U CN208613571U CN 208613571 U CN208613571 U CN 208613571U CN 201821274037 U CN201821274037 U CN 201821274037U CN 208613571 U CN208613571 U CN 208613571U
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- hole
- expanded support
- support portion
- stud
- expansion nut
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Abstract
The utility model discloses a kind of circular pieces to dilate positioning device, including stud, is threadedly coupled expansion nut on stud；The stud is fixedly connected by the first fixing bolt with the die holder for being located at stud bottom end, and center stud position is provided with the first central through hole and stud lateral surface is socketed expansion nut and is threadedly coupled with expansion nut；Expansion nut upper end is flexibly connected in pyramidal and frustum lateral surface with part bottom end is dilated；Dilating part includes interconnecting piece, expanded support portion；Interconnecting piece is annular in shape and is fixedly connected by the second fixing bolt with cavity plate lateral surface, and interconnecting piece bottom end connects expanded support portion；Expanded support portion has several and expanded support portion is provided with expanded support slot between any two, and expanded support portion top is connect with interconnecting piece, and expanded support portion bottom end is located on the outside of expansion nut and is flexibly connected with expansion nut lateral surface；Cavity plate is cylindrical and cavity plate upper surface center is provided with the second central through hole, and the center line of the second central through hole and the center line of the first central through hole coincide.
Description
Technical field
The utility model relates to field of machining more particularly to a kind of circular pieces to dilate positioning device.
Background technique
In mold design, frequently encountering needs internal diameter positioning to rush end face groove or hole after biggish circular box part stretches, can
Be the circular box part internal diameter having precision it is lower, tolerance is bigger, when being positioned with internal diameter, when pine when it is tight, if it was positioned
Song Ze can not guarantee the position precision in end face groove or hole, and positioning tension is then all relatively difficult when putting part and pickup.
Summary of the invention
The utility model aim is to solve the above problems, design a kind of structure it is simple, can be with the circular pieces of precise positioning
Dilate positioning device.
To achieve the goals above, the technical solution of the utility model is:
A kind of circular pieces dilate positioning device, including stud, are threadedly coupled expansion nut on stud；The stud passes through
First fixing bolt is fixedly connected with the die holder for being located at stud bottom end, and center stud position is provided with the first central through hole and stud
Lateral surface socket expansion nut is simultaneously threadedly coupled with expansion nut；Expansion nut upper end in pyramidal and frustum lateral surface with dilate
Part bottom end is flexibly connected；Dilating part includes interconnecting piece, expanded support portion；Interconnecting piece is annular in shape and passes through the second fixing bolt and cavity plate
Lateral surface is fixedly connected, and interconnecting piece bottom end connects expanded support portion；Expanded support portion has several and expanded support portion is provided with expanded support between any two
Slot, expanded support portion top are connect with interconnecting piece, and expanded support portion bottom end is located on the outside of expansion nut and connects with expansion nut lateral surface activity
It connects；Cavity plate is cylindrical and cavity plate upper surface center is provided with the second central through hole, the center line of the second central through hole with
The center line of first central through hole coincides.
Further, expansion nut Basolateral face is provided with around the one week retention bead in expansion bolt bottom end；
The expanded support portion for dilating part is L-shaped, is flexibly connected on the right side of L-type bottom end with the frustum lateral surface of expansion nut.
Further, the expansion nut bottom end is provided with rotating through hole, the direction of rotating through hole and the axial direction side of stud
To perpendicular.
Further, cavity plate upper surface edge is provided with chamfering.
Further, cavity plate upper end center position is provided with punch-pin, and third central through hole, third are provided on punch-pin
The center line of central through hole and the center line of the first central through hole, the second central through hole coincide.
Compared with prior art, the utility model has the advantages and positive effects of:
The utility model is in such a way that expansion nut is in the connection of stud outside screw, so that expansion nut is on the outside of stud
Generate upward displacement when rotation, the expanded support portion bottom end outward radial support that will be flexibly connected with it of pyramidal outer surface of when displacement
It rises, so that the inner wall of expanded support portion and circular pieces is adjacent to, realizes the positioning to circular pieces, and interconnecting piece is solid by second
Determining the mode that bolt is fixedly connected with cavity plate is adjacent to cavity plate upper surface with circular pieces upper end inner wall, avoids and was positioning
The utility model generates inclination in journey, ensure that the utility model to the precise positioning of circular pieces；On the other hand, the first center
The design of through-hole, the second central through hole allows to directly carry out central opening operation to the circular pieces after positioning, avoid
The utility model is damaged when carrying out central opening to circular pieces, increases the practicability of the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is expanded support slot structure schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
As shown in Figure 1 and Figure 2, a kind of circular pieces dilate positioning device, including stud 5, are threadedly coupled expansion on stud 5
Nut 4；The stud 5 is fixedly connected by the first fixing bolt 16 with the die holder 6 for being located at 5 bottom end of stud, 5 center of stud
It is provided with the first central through hole 14 and 5 lateral surface of stud is socketed expansion nut 4 and is threadedly coupled with expansion nut 4；Expansion nut 4
Upper end is flexibly connected in pyramidal and frustum lateral surface with part bottom end is dilated；Dilating part includes interconnecting piece 3, expanded support portion 10；Connection
Portion 3 is annular in shape and is fixedly connected by the second fixing bolt 11 with 2 lateral surface of cavity plate, and interconnecting piece 3 passes through the second fixing bolt
11 modes being fixedly connected with cavity plate 2 are adjacent to 2 upper surface of cavity plate with circular pieces upper end inner wall, avoid in position fixing process
Middle the utility model generates inclination, ensure that the utility model to the precise positioning of circular pieces；3 bottom end of interconnecting piece connects expanded support
Portion 10；Expanded support portion 10 has several and expanded support portion 10 is provided with expanded support slot 15 between any two, and 10 top of expanded support portion and interconnecting piece 3 connect
It connects, 10 bottom end of expanded support portion is located at 4 outside of expansion nut and is flexibly connected with 4 lateral surface of expansion nut；The design is so that expanding screw
Mother 4 generates upward displacement when rotating on the outside of stud, the expanded support portion that will be flexibly connected with it of when displacement pyramidal outer surface
10 bottom end outward radials are propped up, so that expanded support portion 10 and the inner wall of circular pieces are adjacent to, realize the positioning to circular pieces
Accuracy, cavity plate 2 is cylindrical and 2 upper surface center of cavity plate is provided with the second central through hole 12, the second central through hole 12
The center line of center line and the first central through hole 14 coincide；The design of first central through hole 14, the second central through hole 12, makes
Can directly to after positioning circular pieces carry out central opening operation, avoid to circular pieces carry out central opening when pair
The utility model damages, and increases the practicability of the utility model.
Expanded support slot between expanded support portion not mill all logical in groove milling, stay 3~4mm (as shown in Figure 2), when to prevent quenching
Deformation after finishing, then is cut with grinding abrasive disk.When carrying out positioning operation, rotary expansion nut 4 makes its rising, works as expanding screw
When mother 4 rises, because expansion nut 4, with tapered, expanded support portion 10 just diametrically dilates, because round box parts 7 must be
The good material of plasticity, so when dilating part and dilating, just forcing the center line of round box parts 7 (i.e. round with certain circularity
7 end face centerline hole of box parts) it is overlapped with the center line of cavity plate 2, achieve the purpose that for the positioning of round box parts 7.
Here it to be further illustrated: diametrically dilate to make round 7 radial positioning of box parts when dilating part
Meanwhile because cavity plate 2 also while with part is dilated rises and 7 inner end face contact of round box parts, circle when expansion nut 4 rises
Shape box parts 7 can also realize axially position simultaneously.
It is easy to use using this method for positioning punching processing end-face central hole with principle is dilated for round box parts 7, it is bright
It is aobvious to improve punching efficiency.
The 4 Basolateral face of expansion nut is provided with around the 4 one week retention bead in bottom end 9 of expansion bolt；The expansion
The expanded support portion 10 of swollen part is L-shaped, is flexibly connected on the right side of L-type bottom end with the frustum lateral surface of expansion nut 4.The design is so that expanding
Prevent from dilating part bottom end during support as the frustum lateral surface of expansion nut glides that the situation of cavity plate rising can not be made to send out
It is raw, increase the using effect of the utility model.
4 bottom end of expansion nut is provided with rotating through hole 8, and the direction of rotating through hole 8 is mutually hung down with the axial direction of stud 5
Directly.The design allow expanded support strength is excessive be not easy rotary expansion nut when by rotating through hole installation borrow power bar to expansion
Nut is rotated, and the practicability of the utility model is increased.
The 2 upper surface edge of cavity plate is provided with chamfering.The design is so that the utility model can be adapted for various circles
Part avoids the situation that circular pieces upper surface inside is with chamfering and using effect is bad and occurs, it is practical new to increase this
The use popularity of type.
The 2 upper center position of cavity plate is provided with punch-pin 1, and third central through hole 13, third center are provided on punch-pin 1
The center line that the center line of through-hole 13 leads to 12 holes with the first central through hole 14, the second center coincides.Punch-pin 1 is to be fixed on cavity plate
On the punching machine of top, punch-pin bottom end has the function of cutting edge and has punching, and the Blade dimensions of punch-pin 1 will be by round box parts 7
Punching hole diameter is determined；It under the drive of punching machine, does and up and down reciprocatingly moves along a straight line, punch-pin 1 is every to fall once, just in round box parts 7
On go out a circular hole.
Claims (5)
1. a kind of circular pieces dilate positioning device, including stud, expansion nut is threadedly coupled on stud；It is characterized by: institute
It states stud and is fixedly connected by the first fixing bolt with the die holder for being located at stud bottom end, center stud position is provided with the first center
Through-hole and stud lateral surface socket expansion nut are simultaneously threadedly coupled with expansion nut；Expansion nut upper end is in outside pyramidal and frustum
Side is flexibly connected with part bottom end is dilated；Dilating part includes interconnecting piece, expanded support portion；Interconnecting piece is annular in shape and fixed by second
Bolt is fixedly connected with cavity plate lateral surface, and interconnecting piece bottom end connects expanded support portion；Expanded support portion has several and expanded support portion is between any two
Be provided with expanded support slot, expanded support portion top is connect with interconnecting piece, expanded support portion bottom end be located on the outside of expansion nut and with outside expansion nut
Side is flexibly connected；Cavity plate is cylindrical and cavity plate upper surface center is provided with the second central through hole, the second central through hole
The center line of center line and the first central through hole coincide.
2. circular pieces as described in claim 1 dilate positioning device, it is characterised in that: expansion nut Basolateral face
It is provided with around the one week retention bead in expansion bolt bottom end；The expanded support portion for dilating part is L-shaped, on the right side of L-type bottom end with it is swollen
The frustum lateral surface of expansion nut is flexibly connected.
3. circular pieces as described in claim 1 dilate positioning device, it is characterised in that: the expansion nut bottom end is provided with
Rotating through hole, the direction of rotating through hole and the axial direction of stud are perpendicular.
4. circular pieces as described in claim 1 dilate positioning device, it is characterised in that: the setting of cavity plate upper surface edge
There is chamfering.
5. circular pieces as described in claim 1 dilate positioning device, it is characterised in that: cavity plate upper end center position is set
It is equipped with punch-pin, third central through hole, the center line of third central through hole and the first central through hole, the second center are provided on punch-pin
The center line of through-hole coincides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821274037.3U CN208613571U (en) | 2018-08-08 | 2018-08-08 | A kind of circular pieces dilate positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821274037.3U CN208613571U (en) | 2018-08-08 | 2018-08-08 | A kind of circular pieces dilate positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208613571U true CN208613571U (en) | 2019-03-19 |
Family
ID=65709457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821274037.3U Active CN208613571U (en) | 2018-08-08 | 2018-08-08 | A kind of circular pieces dilate positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208613571U (en) |
-
2018
- 2018-08-08 CN CN201821274037.3U patent/CN208613571U/en active Active
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