CN109622736A - Punching device for pipe fittings - Google Patents
Punching device for pipe fittings Download PDFInfo
- Publication number
- CN109622736A CN109622736A CN201811503965.7A CN201811503965A CN109622736A CN 109622736 A CN109622736 A CN 109622736A CN 201811503965 A CN201811503965 A CN 201811503965A CN 109622736 A CN109622736 A CN 109622736A
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- CN
- China
- Prior art keywords
- punch
- pin
- formed punch
- bracket
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims abstract description 40
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
- B21D28/285—Perforating, i.e. punching holes in tubes or other hollow bodies punching outwards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The present invention relates to pipe fitting manufacture fields, more particularly to a kind of punching device for pipe fittings, which includes: the punch-pin bracket of tubulose, and the inside of the punch-pin bracket is equipped with circular through hole, the punch-pin bracket is equipped with punch-pin hole, is equipped with formed punch punch-pin in the punch-pin hole；Crushing block, the crushing block include the identical bevel cylinder of two diameters；It is sheathed on the formed punch cavity plate of the periphery of the punch-pin bracket, the formed punch cavity plate and the punch-pin bracket are spaced each other to allow pipe fitting to be punched to be inserted into, and the formed punch cavity plate is equipped with the material-dropping hole being aligned with the formed punch punch-pin.The present invention squeezes formed punch punch-pin by crushing block outward, so that the burr in hole obtained by punching press is located at the outer surface of pipe fitting, removes convenient for the later period；Two times punch is carried out to pipe fitting by crushing block, flash removed is removed, convenient for the taking-up of pipe fitting；By the way that elastic component is arranged formed punch punch-pin is automatically reset, convenient for the taking-up of pipe fitting.
Description
Technical field
The present invention relates to pipe fitting manufacture fields, more particularly to a kind of punching device for pipe fittings.
Background technique
It mainly includes drilling, hole milling etc. that type hole is processed on tubing, replaces brill with the method for punching when mass production
The methods of hole and hole milling have the characteristics that high production efficiency, reduce processing cost.When being punched out processing to pipe fitting at present, often
Structure be punch-pin outside, including cavity plate, punch-pin under external force ecto-entad impact pipe fitting formed punching hole, punching hole
Burr it is inside, tubing difficulty is taken out from cavity plate, and burr is in the inner wall of pipe fitting, removes difficult.
Summary of the invention
The object of the present invention is to provide a kind of punching device for pipe fittings, to solve the above problems.
To achieve the goals above, the present invention provides a kind of punching device for pipe fittings, which includes: tubulose
Punch-pin bracket, the inside of the punch-pin bracket are equipped with the circular through hole with the punch-pin bracket coaxial line, on the punch-pin bracket
Equipped with the punch-pin hole radially extended, be equipped with the formed punch punch-pin that radially extends in the punch-pin hole, the formed punch punch-pin with it is described convex
Mould holder is connected by elastic component, is fixed with convex block on the end face of the formed punch punch-pin radial inner end；Crushing block, the crushing block
Including the identical bevel cylinder of two diameters, the bottom surface of two bevel cylinders is fixedly connected, and the oblique section of two bevel cylinders
Intersecting lens it is vertical with the axis of the punch-pin bracket, the bevel cylinder and the punch-pin standoff gap cooperate；It is sheathed on institute
The formed punch cavity plate of the periphery of punch-pin bracket is stated, the formed punch cavity plate and the punch-pin bracket are spaced each other to allow pipe fitting to be punched
Insertion, the formed punch cavity plate are equipped with the material-dropping hole being aligned with the formed punch punch-pin, and the formed punch punch-pin can be in first position
It is moved radially between the second position, the convex block described in the first position is radially-inwardly convex relative to the inner peripheral surface of punch-pin bracket
Out, the convex block described in the second position is concordant with the inner peripheral surface of punch-pin bracket, and the crushing block can be in the punch-pin bracket
Middle axial movement, to push the formed punch punch-pin to be moved to the second position from the first position by the crushing block.
Preferably, the convex block includes prismatoid, and the bottom surface of prismatoid is fixedly connected with the end face of the formed punch punch-pin.
Preferably, the prismatoid is truncated rectangular pyramids.
Preferably, the convex block includes ramp and lower inclined plane, and the crushing block includes upper section and lower section, it is described on
The tilt angle on inclined-plane is identical as the tilt angle of the lower section, and the tilt angle of the lower inclined plane is inclined with the upper section
Rake angle is identical.
Preferably, the quantity in the punch-pin hole is one or more.
Preferably, the internal diameter of the formed punch cavity plate is identical as the outer diameter of pipe fitting to be processed.
Preferably, the punch-pin hole is equipped with punch-pin stop collar in the punch-pin bracket radial outer end, outside the formed punch punch-pin
It is equipped with the formed punch stop collar positioned at the punch-pin stop collar radially inner side week, the elastic component is arranged in the formed punch stop collar
Between the punch-pin stop collar, the elastic component can be towards formed punch punch-pin described in the first position bias.
Preferably, the outer peripheral edge of the formed punch stop collar is bonded with the inner wall in the punch-pin hole, the punch-pin stop collar
Inner peripheral is bonded with the outer peripheral surface of the formed punch punch-pin.
Through the above technical solutions, punching device for pipe fittings of the invention by pipe fitting be arranged punch-pin bracket and formed punch it is convex
Mould squeezes formed punch punch-pin by crushing block outward, so that the burr in hole obtained by punching press is located at the outer surface of pipe fitting, is convenient for
Later period removes；Two times punch is carried out to pipe fitting by crushing block, flash removed is removed, convenient for the taking-up of pipe fitting；By the way that elastic component is arranged
Formed punch punch-pin is automatically reset, convenient for the taking-up of pipe fitting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of punching device for pipe fittings according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of crushing block and formed punch cavity plate in Fig. 1；
Fig. 3 is the sectional view of crushing block and formed punch cavity plate in Fig. 2.
Description of symbols
1 punch-pin bracket, 2 formed punch punch-pin
3 crushing block, 4 formed punch cavity plate
5 elastic component, 11 punch-pin hole
12 punch-pin stop collar, 21 formed punch stop collar
22 convex block, 31 upper section
32 lower section, 41 material-dropping hole
221 ramp, 222 lower inclined plane
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower ", which refers to, to be installed and used
It is upper and lower under state；" inside and outside " typically refers to relative to the inside and outside of each component profile itself.
The present invention provides a kind of punching device for pipe fittings, as shown in Figure 1 to Figure 3.The punching device for pipe fittings includes: the convex of tubulose
Mould holder 1, the inside of the punch-pin bracket 1 are equipped with the circular through hole with 1 coaxial line of punch-pin bracket, the punch-pin bracket 1
It is equipped with the punch-pin hole 11 radially extended, is equipped with the formed punch punch-pin 2 radially extended, the formed punch punch-pin 2 in the punch-pin hole 11
It is connect with the punch-pin bracket 1 by elastic component 5, is fixed with convex block 22 on the end face of 2 radial inner end of formed punch punch-pin；It squeezes
Block 3, the crushing block 3 include the identical bevel cylinder of two diameters, and the bottom surface of two bevel cylinders is fixedly connected, and two oblique
The intersecting lens for cutting the oblique section of cylinder is vertical with the axis of the punch-pin bracket 1, between the bevel cylinder and the punch-pin bracket 1
Gap cooperation；It is sheathed on the formed punch cavity plate 4 of the periphery of the punch-pin bracket 1, the formed punch cavity plate 4 and the punch-pin bracket 1 are each other
To allow pipe fitting to be punched to be inserted into, the formed punch cavity plate 4 is equipped with the material-dropping hole 41 being aligned with the formed punch punch-pin 2, institute at interval
Stating formed punch punch-pin 2 can move radially between the first position and the second position, and the convex block 22 described in the first position is opposite
Radially inwardly projecting in the inner peripheral surface of punch-pin bracket 1, the inner peripheral surface of the convex block 22 described in the second position and punch-pin bracket 1 is flat
Together, the crushing block 3 can move axially in the punch-pin bracket 1, to push the formed punch punch-pin by the crushing block 3
2 are moved to the second position from the first position.
Punching device for pipe fittings of the invention, by the movement of crushing block 3, to the formed punch punch-pin 2 being arranged on punch-pin bracket 1
It is squeezed outward, so that the burr of punching hole is located at the outer surface of pipe fitting, the removing convenient for the later period to burr；Pass through crushing block
3 pairs of pipe fittings carry out two times punch, flash removed are removed, convenient for the taking-up of pipe fitting after punching press；By the way that formed punch cavity plate 4 is arranged, pipe fitting is limited
Movement, ensure that pipe fitting is indeformable in punching course；By the way that elastic component 5 is arranged formed punch punch-pin 2 is automatically reset,
Formed punch punch-pin 2 is avoided to be stuck in material-dropping hole 41, convenient for the taking-up of pipe fitting.
A kind of embodiment according to the present invention, the convex block 22 include prismatoid, the bottom surface of prismatoid and the punching
The end face of head punch-pin 2 is fixedly connected.Such setting is so that be face contact, increase contact surface when crushing block 3 and convex block 22 contact
Product reduces crushing block 3 to the pressure of convex block 22, extends the service life of crushing block 3 and convex block 22.
In order to further decrease crushing block 3 to the pressure of convex block 22, a kind of embodiment according to the present invention, among the above,
The prismatoid is truncated rectangular pyramids.
A kind of embodiment according to the present invention, the convex block 22 include ramp 221 and lower inclined plane 222, the extruding
Block 3 includes upper section 31 and lower section 32, the tilt angle phase of the tilt angle of the ramp 221 and the lower section 32
Together, the tilt angle of the lower inclined plane 222 is identical as the tilt angle of the upper section 31.It is such to be arranged so that crushing block 3
During the decline, 221 face contact of ramp of the lower section 32 of crushing block 3 and convex block 22, when crushing block 3 drops to formed punch
The lower section of punch-pin 2, crushing block 3 complete first time punching press, and crushing block 3 rises, and the upper section 31 of crushing block 3 is to the oblique of convex block 22
Face 222 squeezes, and crushing block 3 is moved to the top of formed punch punch-pin 2, completes second of punching press, by punching press twice, is located at punching hole
Most burrs on periphery are removed, and the pipe fitting being stamped can smoothly take out.
In order to improve ram efficiency, a kind of embodiment according to the present invention, the quantity in the punch-pin hole 11 be one or
It is multiple.It is such to be arranged so that crushing block 3 squeeze multiple formed punch punch-pin 2 in a reciprocatory movement, i.e.,
Multiple positions of pipe fitting to be processed can be punched simultaneously, greatly improve perforating efficiency.
In order to make pipe fitting, deformation occurs, a kind of embodiment according to the present invention, the internal diameter of the formed punch cavity plate 4 with to
The outer diameter for processing pipe fitting is identical.Such to be arranged so that the pipe fitting being stamped still keep original-shape, deformation occurs.
A kind of embodiment according to the present invention, the punch-pin hole 11 are equipped with punch-pin in 1 radial outer end of punch-pin bracket
Stop collar 12,2 periphery of formed punch punch-pin are equipped with the formed punch stop collar 21 positioned at 12 radially inner side of punch-pin stop collar, institute
It states elastic component 5 to be arranged between the formed punch stop collar 21 and the punch-pin stop collar 12, the elastic component 5 can be towards described
Formed punch punch-pin 2 described in the bias of first position.It is such to be arranged so that the both ends of elastic component 5 are convex with punch-pin bracket 1 and formed punch respectively
Mould 2 connects, to make elastic component 5 towards the first position bias formed punch punch-pin 2.
A kind of embodiment according to the present invention, the inner wall of the outer peripheral edge of the formed punch stop collar 21 and the punch-pin hole 11
Fitting, the inner peripheral of the punch-pin stop collar 12 are bonded with the outer peripheral surface of the formed punch punch-pin 2.It is such to be arranged so that formed punch is convex
Mould 2 in punch-pin hole 11 along punch-pin 1 radial motion of bracket while will not be axially moved, to guarantee the precision of punching.
When using the punching device for pipe fittings, press machine drives crushing block 3 to be axially moved along punch-pin bracket 1, exists to setting
Formed punch punch-pin 2 on punch-pin bracket 1 is squeezed outward, the ramp 221 of 32 extrusion lug 22 of lower section of crushing block 3, when
Crushing block 3 drops to the lower section of formed punch punch-pin 2, and punching is completed, and formed punch punch-pin 2 is put back under the action of elastic component 5 from second
To first position, crushing block 3 completes first time punching press；Crushing block 3 rises, and the upper section 31 of crushing block 3 is to the oblique of convex block 22
Face 222 squeezes, and punching press pipe fitting, removing are located at most burrs on punching hole periphery to formed punch punch-pin 2 again, and crushing block 3 is mobile
To the top of formed punch punch-pin 2, formed punch punch-pin 2 resets, and punching course terminates, and takes out the pipe fitting that is stamped.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (8)
1. a kind of punching device for pipe fittings, which is characterized in that the punching device for pipe fittings includes: the punch-pin bracket (1) of tubulose, described convex
The inside of mould holder (1) is equipped with the circular through hole with punch-pin bracket (1) coaxial line, and the punch-pin bracket (1) is equipped with diameter
To the punch-pin hole (11) of extension, the formed punch punch-pin (2) radially extended, the formed punch punch-pin (2) are equipped in the punch-pin hole (11)
It is connect with the punch-pin bracket (1) by elastic component (5), is fixed with convex block on the end face of formed punch punch-pin (2) radial inner end
(22)；Crushing block (3), the crushing block (3) include the identical bevel cylinder of two diameters, and the bottom surface of two bevel cylinders is fixed
Connection, and the intersecting lens of the oblique section of two bevel cylinders is vertical with the axis of the punch-pin bracket (1), the bevel cylinder and
Punch-pin bracket (1) clearance fit；It is sheathed on the formed punch cavity plate (4) of the periphery of the punch-pin bracket (1), the formed punch cavity plate
(4) be spaced each other with the punch-pin bracket (1) to allow pipe fitting to be punched to be inserted into, the formed punch cavity plate (4) be equipped with it is described
The material-dropping hole (41) of formed punch punch-pin (2) alignment, the formed punch punch-pin (2) can radially move between the first position and the second position
Dynamic, the convex block described in the first position (22) is radially inwardly projecting relative to the inner peripheral surface of punch-pin bracket (1), described second
Convex block described in position (22) is concordant with the inner peripheral surface of punch-pin bracket (1), and the crushing block (3) can be in the punch-pin bracket (1)
Middle axial movement, to push the formed punch punch-pin (2) to be moved to described second from the first position by the crushing block (3)
Position.
2. punching device for pipe fittings according to claim 1, which is characterized in that the convex block (22) includes prismatoid, trapezoidal
The bottom surface of body is fixedly connected with the end face of the formed punch punch-pin (2).
3. punching device for pipe fittings according to claim 2, which is characterized in that the prismatoid is truncated rectangular pyramids.
4. punching device for pipe fittings according to claim 3, which is characterized in that the convex block (22) includes ramp (221)
With lower inclined plane (222), the crushing block (3) includes upper section (31) and lower section (32), the inclination angle of the ramp (221)
Spend, tilt angle and the upper section (31) of the lower inclined plane (222) identical as the tilt angle of the lower section (32)
Tilt angle is identical.
5. punching device for pipe fittings according to claim 1, which is characterized in that the quantity of the punch-pin hole (11) be one or
It is multiple.
6. punching device for pipe fittings according to claim 1, which is characterized in that the internal diameter of the formed punch cavity plate (4) with it is to be added
The outer diameter of work pipe fitting is identical.
7. punching device for pipe fittings according to claim 1, which is characterized in that the punch-pin hole (11) is in the punch-pin bracket
(1) radial outer end is equipped with punch-pin stop collar (12), and formed punch punch-pin (2) periphery, which is equipped with, is located at the punch-pin stop collar (12)
The formed punch stop collar (21) of radially inner side, elastic component (5) setting are limited in the formed punch stop collar (21) and the punch-pin
Between ring (12), the elastic component (5) can be towards formed punch punch-pin (2) described in the first position bias.
8. punching device for pipe fittings according to claim 7, which is characterized in that the outer peripheral edge of the formed punch stop collar (21) with
The inner wall of the punch-pin hole (11) is bonded, the outer peripheral surface of the inner peripheral of the punch-pin stop collar (12) and the formed punch punch-pin (2)
Fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503965.7A CN109622736A (en) | 2018-12-10 | 2018-12-10 | Punching device for pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503965.7A CN109622736A (en) | 2018-12-10 | 2018-12-10 | Punching device for pipe fittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109622736A true CN109622736A (en) | 2019-04-16 |
Family
ID=66072328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811503965.7A Pending CN109622736A (en) | 2018-12-10 | 2018-12-10 | Punching device for pipe fittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109622736A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369532A (en) * | 2019-07-26 | 2019-10-25 | 山东舜博金属制品有限公司 | A kind of drawing all-in-one machine |
-
2018
- 2018-12-10 CN CN201811503965.7A patent/CN109622736A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369532A (en) * | 2019-07-26 | 2019-10-25 | 山东舜博金属制品有限公司 | A kind of drawing all-in-one machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200907 Address after: Room 407, building D, No. 318, Square North Road, Zhushan District, Jingdezhen City, Jiangxi Province Applicant after: Li Changan Address before: No. 11 Pingfengling Road, Ganzhou Economic and Technological Development Zone, Jiangxi 341000 Applicant before: GANZHOU XINGUAN TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190416 |
|
| WD01 | Invention patent application deemed withdrawn after publication |