CN106734724B - Synchronous punching device in a kind of interior high-pressure molding mould - Google Patents
Synchronous punching device in a kind of interior high-pressure molding mould Download PDFInfo
- Publication number
- CN106734724B CN106734724B CN201611202657.1A CN201611202657A CN106734724B CN 106734724 B CN106734724 B CN 106734724B CN 201611202657 A CN201611202657 A CN 201611202657A CN 106734724 B CN106734724 B CN 106734724B
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- Prior art keywords
- punch
- punching
- groove portion
- gear
- rack
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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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
-
- 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
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses synchronous punching devices in a kind of interior high-pressure molding mould, it is treated after moulding pipe is molded by internal high pressure forming die, the tube wall in die cavity is punched out by the first punch and the second punch synchronous, is supported using highly pressurised liquid in pipe fitting, ensures punching effect；Further, first punch and the second punch pass through gear engaged transmission, on the one hand, gear transmission ensures the synchronism of speed and displacement transmission, improves the reliability and machining accuracy of transmission, on the other hand, due to the angular flexibility of gear engagement, therefore punching can be synchronized to being located at Different Plane different location, using flexible is good, is not limited by use environment.
Description
Technical field
The present invention relates to synchronous punching devices in pipe fitting processing technique field more particularly to a kind of interior high-pressure molding mould.
Background technology
With the development of automotive light weight technology, interior high-pressure molding product is increasingly used in the knots such as automobile chassis, vehicle body
On structure, interior high-pressure molding is that the pipe of certain length is badly put into mold, under the action of internal liquid (water or oil) pressure, is led to
Control pipe internal pressure and material flowing are crossed, pipe is made radially to expand, plastotype deformation is generated and carrys out formed hollow structure
A kind of technology of part.It is required for processing multiple holes for assembling and positioning, traditional handicraft on many interior high-pressure molding products
It is general to use drilling, hole milling, but borehole accuracy is low, hole milling efficiency is low.What we thirsted for arrives formed precision higher, processing efficiency
Higher technique, therefore punching is widely used in interior high-pressure molding mould, punching techniques are in interior high pressing mold：It is high inside
The position for processing hole will be needed to be processed into punch edge on molding die, pressure in pipe is kept after interior high-pressure molding
The constant high-pressure liquid medium using in pipe utilizes the oil cylinder pushing punch fast feed forward being connect with punch edge as cavity plate
Punching is completed, realizes that processing is completed in hole in internal high pressure forming die.
Punching is all that an operative orientation installs a punching oil cylinder in existing mould, so being frequently necessary to install multiple punchings
Hole oil cylinder, but in punching direction difference and smaller pitch-row, just required oil cylinder quantity is installed in not enough spaces, because
The technology of rushing has limitation in this existing mould.The hole of the above-mentioned type can only utilize in current process and be rushed in existing mould
Hole technology processes a part of hole, and remaining hole needs to increase other processes to complete (as being cut by laser, hole milling, drilling), in this way
Cost of manufacture is not only increased, processing efficiency is also lower.And clamping times are increased, formed precision is also lower.
Invention content
To solve technical problem present in background technology, the present invention proposes synchronous punching dress in a kind of interior high-pressure molding mould
It sets.
Synchronous punching device in a kind of interior high-pressure molding mould proposed by the present invention, including：Die assembly, punching assembly, into
Liquid mechanism, driving mechanism；
There is the die cavity for accommodating pipe fitting to be processed, the die cavity both ends are respectively provided with the first opening and second in die assembly
Opening, the die cavity side wall are equipped with the first punching hole and the second punching hole；
Feed liquor mechanism is located at described die cavity one end for the feed liquor into the die cavity；
Punching assembly is located at the side of die assembly, and punching assembly includes the first punch and the second punch, the first punch position
In in the first punching and the second punch is located in the second punching, driving mechanism connect with punching assembly for drive the first punch and
Second punch synchronous punching.
Preferably, punching assembly further include the first rack, first gear, the second rack, second gear, the first locating shaft,
Second locating shaft, the first locating shaft and the second locating shaft are arranged in parallel, first gear may be rotatably mounted on the first locating shaft and
Second gear may be rotatably mounted on the second locating shaft, and first gear and second gear engagement, the first rack are located at first gear
Far from second gear side and being engaged with first gear, the second rack is located at second gear far from first gear side and with second
Gear engages, and the first rack is arranged along the first punch moving direction and one end is connect with the first punch, and the second rack is along the second punching
Head moving direction is arranged and one end is connect with the second punch, and driving device is connect with the first rack by driving the movement of the first rack
Drive the first punch and the second punch synchronous punching.
Preferably, punching assembly further includes the first insert and the second insert, and the first insert is mounted on die assembly and position
In the side of the first punching, the second insert is mounted on die assembly and the second insert is located at the side of the second punching, the first edge
Block is equipped with the first guide chute extended along the first punch moving direction, and the first rack is movably mounted to the first guide chute
On, the second insert is equipped with the second guide chute for extending along the second punch moving direction, and the second rack is movably mounted to the
On two guide chutes.
Preferably, the first insert is removably mounted at the second insert on die assembly.
Preferably, the first guide chute includes the first groove portion and the second groove portion to communicate with each other, and the first groove portion is located at second
Side of the groove portion far from opening, the cross-sectional area of the first groove portion are more than the cross-sectional area of the second groove portion, and the first rack includes successively
First teeth portion of connection, first connecting portion, the first limiting section, the first limiting section be located at the first groove portion it is interior and with the first groove portion gap
Cooperation, first connecting portion be located at the second groove portion it is interior and with the second groove portion clearance fit.
Preferably, the first limiting section has cylindrical structure.
Preferably, the second guide chute includes the third groove portion and the 4th groove portion to communicate with each other, and third groove portion is located at the 4th
Side of the groove portion far from opening, the cross-sectional area of third groove portion are more than the cross-sectional area of the 4th groove portion, and the second rack includes successively
Second teeth portion of connection, second connecting portion, the second limiting section, the second limiting section be located at third groove portion it is interior and with third groove portion gap
Cooperation, second connecting portion be located at the 4th groove portion it is interior and with the 4th groove portion clearance fit.
Preferably, the second limiting section has cylindrical structure.
Preferably, driving mechanism uses hydraulic cylinder.
Preferably, first gear and second gear diameter is equal and the number of teeth is equal.
In the present invention, synchronous punching device in the interior high-pressure molding mould that is proposed is treated by internal high pressure forming die
After type pipe fitting is molded, the tube wall in die cavity is punched out by the first punch and the second punch synchronous, using in pipe fitting
Highly pressurised liquid is supported, and ensures punching effect；Further, the first punch and the second punch are by gear engaged transmission, and one
Aspect, gear transmission ensure the synchronism of speed and displacement transmission, improve the reliability and machining accuracy of transmission, another party
Face can be synchronized punching to being located at Different Plane different location, be used spirit due to the angular flexibility of gear engagement
Activity is good, is not limited by use environment.
Description of the drawings
Fig. 1 is the structural schematic diagram of synchronous punching device in a kind of interior high-pressure molding mould proposed by the present invention.
Fig. 2 is the structure of the mold insert of synchronous punching device and rack cooperation in a kind of interior high-pressure molding mould proposed by the present invention
Schematic diagram.
The first punch and the second punch that Fig. 3 is Fig. 1 simulate the rate curve being calculated.
The first punch and the second punch that Fig. 4 is Fig. 1 simulate the displacement curve being calculated.
Specific implementation mode
As shown in Figs 1-4, Fig. 1 is the structural representation of synchronous punching device in a kind of interior high-pressure molding mould proposed by the present invention
Figure, Fig. 2 are the structural representation of the mold insert of synchronous punching device and rack cooperation in a kind of interior high-pressure molding mould proposed by the present invention
Figure, the first punch and the second punch that Fig. 3 is Fig. 1 simulate the rate curve that is calculated, the first punch that Fig. 4 is Fig. 1 and the
Two punches simulate the displacement curve being calculated.
Referring to Fig.1 with 2, synchronous punching device in a kind of interior high-pressure molding mould proposed by the present invention, including：Die assembly 1,
Punching assembly, feed liquor mechanism, driving mechanism 7；
There is the die cavity for accommodating pipe fitting to be processed, the die cavity both ends are respectively provided with the first opening and the in die assembly 1
Two openings, the die cavity side wall are equipped with the first punching hole and the second punching hole；
Feed liquor mechanism is located at described die cavity one end for the feed liquor into the die cavity；
Punching assembly is located at the side of die assembly 1, and punching assembly includes the first punch 21 and the second punch 22, the first punching
First 21 in the first punching and the second punch 22 is located in the second punching, and driving mechanism 7 is connect with punching assembly for driving
22 synchronous punching of first punch 21 and the second punch.
In the interior high-pressure molding mould of the present embodiment in the specific work process of synchronous punching device, in forming frock state
Under, the front end of the first punch is located at mould intracavity wall institute on the whole, and the front end of the second punch is located at mould intracavity wall institute on the whole,
Feed liquor mechanism is filled with liquid into pipe fitting and makes formation of tubes, and after molding, the first punch and the are driven by driving mechanism
The synchronous punching to tube wall different location is realized in two punch synchronous punchings, and the highly pressurised liquid in punch process in pipe fitting is hole
Surrounding provides support, ensures punching precision.
In the present embodiment, synchronous punching device in the interior high-pressure molding mould proposed, passes through internal high pressure forming die pair
After pipe fitting to be formed is molded, the tube wall in die cavity is punched out by the first punch and the second punch synchronous, utilizes pipe
Highly pressurised liquid is supported in part, ensures punching effect.
In a specific embodiment, punching assembly further includes the first rack 41, first gear 31, the second rack 42, second
Gear 32, the first locating shaft 51, the second locating shaft 52, the first locating shaft 51 and the second locating shaft 52 are arranged in parallel, first gear
31 may be rotatably mounted on the first locating shaft 51 and second gear 32 may be rotatably mounted on the second locating shaft 52, first gear 31
It is engaged with second gear 32, the first rack 41 is located at first gear 31 far from 32 side of second gear and is nibbled with first gear 31
It closes, the second rack 42 is located at second gear 32 far from 31 side of first gear and is engaged with second gear 32,41 edge of the first rack
First punch, 21 moving direction is arranged and one end is connect with the first punch 21, and the second rack 42 is along 22 moving direction cloth of the second punch
It sets and one end is connect with the second punch 22, driving device is connect with the first rack 41 by driving the movement of the first rack 41 to drive the
22 synchronous punching of one punch 21 and the second punch.
In specific works, driving mechanism drives the first rack to be moved along punching direction, the first rack drives first gear
Rotated with second gear, to drive the movement of the second rack synchronous, to realizing using first punch of driving mechanism pair and
The synchronous driving of second punch, saves energy consumption, and space availability ratio is high.In the present embodiment, the first punch passes through with the second punch
Gear engaged transmission, on the one hand, gear transmission ensures the synchronism of speed and displacement transmission, improves the reliability of transmission and adds
On the other hand work precision due to the angular flexibility of gear engagement, can carry out together to being located at Different Plane different location
Punching is walked, using flexible is good, is not limited by use environment.
Since punch mechanism is by gear drive, theoretically speed and displacement of two racks in same time region are
It is fully synchronized, calculated by multiple simulation, as its result of Fig. 3 and 4 with theoretically coincide.As shown in Figure 3, Figure 4, two punchings
The speed displacement of head is substantially completely consistent, that is to say, that the step of two punches substantially completely one during entire mechanism kinematic
It causes, synchronous punching can be more effectively realized compared to other transmission mechanisms.
In further specific implementation mode, punching assembly further includes the first insert 61 and the second insert 62, the first insert
61 are mounted on the side on die assembly 1 and positioned at the first punching, and the second insert 62 is mounted on die assembly 1 and the second insert
62 are located at the side of the second punching, and the first insert 61 is equipped with the first guide chute extended along 21 moving direction of the first punch,
First rack 41 is movably mounted on the first guide chute, and the second insert 62 is equipped with to be extended along 22 moving direction of the second punch
The second guide chute, the second rack 42 is movably mounted on the second guide chute, in punch process, pass through the first conducting wire slide
Slot and second the first rack of guide chute pair and the second rack are oriented to, and punch movement stabilization, improves punching when to ensure punching
Precision, while by replacing different racks, gear position, which is fixed, may make the angle between two racks to be changed, can
Realize different angular position synchronous punchings.
Further, the first insert 61 and the second insert 62 are removably mounted on die assembly 1, by replacing insert,
So that the angle between the first guide chute and the second guide chute changes, compared with mitre between two punchings of realization
Variation, further increases using flexible.
In other specific implementation modes, the first guide chute includes the first groove portion and the second groove portion to communicate with each other, the
One groove portion is located at side of second groove portion far from opening, and the cross-sectional area of the first groove portion is more than the cross-sectional area of the second groove portion, the
One rack 41 includes sequentially connected first teeth portion, first connecting portion, the first limiting section, and the first limiting section is located in the first groove portion
And with the first groove portion clearance fit, first connecting portion be located in the second groove portion and with the second groove portion clearance fit, the first limiting section
With cylindrical structure；Second guide chute includes the third groove portion and the 4th groove portion to communicate with each other, and third groove portion is located at the 4th
Side of the groove portion far from opening, the cross-sectional area of third groove portion are more than the cross-sectional area of the 4th groove portion, the second rack 42 include according to
Second teeth portion of secondary connection, second connecting portion, the second limiting section, the second limiting section are located in third groove portion and between third groove portion
Gap coordinates, second connecting portion be located in the 4th groove portion and with the 4th groove portion clearance fit, the second limiting section is with cylindrical structure.
When work, limiting section limits rack movement, ensures the stability that rack is moved along directive slide track.
In other specific implementation modes, first gear 31 is equal with 32 diameter of second gear and the number of teeth is equal, when punching
So that the first punch and the second punch amount of feeding are identical, punching synchronous is improved.
In other specific implementation modes, driving mechanism 7 uses hydraulic cylinder.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. synchronous punching device in a kind of interior high-pressure molding mould, which is characterized in that including：Die assembly（1）, punching assembly, into
Liquid mechanism, driving mechanism（7）；
Die assembly（1）Interior to have the die cavity for accommodating pipe fitting to be processed, the die cavity both ends are respectively provided with the first opening and second
Opening, the die cavity side wall are equipped with the first punching hole and the second punching hole；
Feed liquor mechanism is located at described die cavity one end for the feed liquor into the die cavity；
Punching assembly is located at die assembly（1）Side, punching assembly include the first punch（21）With the second punch（22）, first
Punch（21）In the first punching and the second punch（22）In the second punching, driving mechanism（7）It is connect with punching assembly
For driving the first punch（21）With the second punch（22）Synchronous punching；
Punching assembly further includes the first rack（41）, first gear（31）, the second rack（42）, second gear（32）, it is first fixed
Position axis（51）, the second locating shaft（52）, the first locating shaft（51）With the second locating shaft（52）It is arranged in parallel, first gear（31）It can
It is rotatably installed in the first locating shaft（51）Upper and second gear（32）It may be rotatably mounted at the second locating shaft（52）On, first gear
（31）And second gear（32）Engagement, the first rack（41）Positioned at first gear（31）Far from second gear（32）Side and with
One gear（31）Engagement, the second rack（42）Positioned at second gear（32）Far from first gear（31）Side and and second gear
（32）Engagement, the first rack（41）Along the first punch（21）Moving direction arrangement and one end and the first punch（21）Connection, second
Rack（42）Along the second punch（22）Moving direction arrangement and one end and the second punch（22）Connection, driving mechanism（7）With first
Rack（41）Connection is by driving the first rack（41）It is mobile to drive the first punch（21）With the second punch（22）Synchronous punching.
2. synchronous punching device in interior high-pressure molding mould according to claim 1, which is characterized in that punching assembly further includes
First insert（61）With the second insert（62）, the first insert（61）Mounted on die assembly（1）Upper and being located at the first punching one
Side, the second insert（62）Mounted on die assembly（1）Upper and the second insert（62）Positioned at the side of the second punching, the first insert
（61）It is equipped with along the first punch（21）The first guide chute that moving direction extends, the first rack（41）It is movably mounted to
On one guide chute, the second insert（62）It is equipped with along the second punch（22）The second guide chute that moving direction extends, second
Rack（42）It is movably mounted on the second guide chute.
3. synchronous punching device in interior high-pressure molding mould according to claim 2, which is characterized in that the first insert（61）With
Second insert（62）It is removably mounted at die assembly（1）On.
4. synchronous punching device in interior high-pressure molding mould according to claim 2, which is characterized in that the first guide chute packet
The first groove portion and the second groove portion to communicate with each other is included, the first groove portion is located at side of second groove portion far from opening, the first groove portion
Cross-sectional area is more than the cross-sectional area of the second groove portion, the first rack（41）Including sequentially connected first teeth portion, first connecting portion,
First limiting section, the first limiting section be located in the first groove portion and with the first groove portion clearance fit, first connecting portion is located at the second slot
In portion and with the second groove portion clearance fit.
5. synchronous punching device in interior high-pressure molding mould according to claim 4, which is characterized in that the first limiting section has
Cylindrical structure.
6. synchronous punching device in interior high-pressure molding mould according to claim 2, which is characterized in that the second guide chute packet
The third groove portion and the 4th groove portion to communicate with each other is included, third groove portion is located at side of the 4th groove portion far from opening, third groove portion
Cross-sectional area is more than the cross-sectional area of the 4th groove portion, the second rack（42）Including sequentially connected second teeth portion, second connecting portion,
Second limiting section, the second limiting section be located in third groove portion and with third groove portion clearance fit, second connecting portion is located at the 4th slot
In portion and with the 4th groove portion clearance fit.
7. synchronous punching device in interior high-pressure molding mould according to claim 6, which is characterized in that the second limiting section has
Cylindrical structure.
8. synchronous punching device in interior high-pressure molding mould according to claim 1, which is characterized in that driving mechanism（7）It adopts
Use hydraulic cylinder.
9. synchronous punching device in interior high-pressure molding mould according to claim 1, which is characterized in that first gear（31）With
Second gear（32）Diameter is equal and the number of teeth is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202657.1A CN106734724B (en) | 2016-12-23 | 2016-12-23 | Synchronous punching device in a kind of interior high-pressure molding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202657.1A CN106734724B (en) | 2016-12-23 | 2016-12-23 | Synchronous punching device in a kind of interior high-pressure molding mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106734724A CN106734724A (en) | 2017-05-31 |
| CN106734724B true CN106734724B (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611202657.1A Active CN106734724B (en) | 2016-12-23 | 2016-12-23 | Synchronous punching device in a kind of interior high-pressure molding mould |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112045033A (en) * | 2020-08-21 | 2020-12-08 | 陈珍珍 | Aluminum alloy ex-trusions punching device convenient to remove |
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|---|---|---|---|---|
| CN102728701A (en) * | 2011-04-14 | 2012-10-17 | 宝山钢铁股份有限公司 | Hydraulic synchronous punching device and method |
| EP2061610B1 (en) * | 2007-03-26 | 2014-04-23 | FLAMM GmbH | Punching device and method for punching |
| CN105170828A (en) * | 2015-09-18 | 2015-12-23 | 济南准冠试验仪器有限公司 | Multifunctional press machine |
| CN205270642U (en) * | 2015-11-13 | 2016-06-01 | 重庆鼎汉机械有限公司 | Automatic eduction gear of waste material of punching press lathe |
| CN106077321A (en) * | 2016-06-02 | 2016-11-09 | 温州泳恒科技有限公司 | Metal tube former and processing method thereof |
| CN206366616U (en) * | 2016-12-23 | 2017-08-01 | 保隆(安徽)汽车配件有限公司 | Synchronous punching device in a kind of inner high voltage shaping mould |
-
2016
- 2016-12-23 CN CN201611202657.1A patent/CN106734724B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2061610B1 (en) * | 2007-03-26 | 2014-04-23 | FLAMM GmbH | Punching device and method for punching |
| CN102728701A (en) * | 2011-04-14 | 2012-10-17 | 宝山钢铁股份有限公司 | Hydraulic synchronous punching device and method |
| CN105170828A (en) * | 2015-09-18 | 2015-12-23 | 济南准冠试验仪器有限公司 | Multifunctional press machine |
| CN205270642U (en) * | 2015-11-13 | 2016-06-01 | 重庆鼎汉机械有限公司 | Automatic eduction gear of waste material of punching press lathe |
| CN106077321A (en) * | 2016-06-02 | 2016-11-09 | 温州泳恒科技有限公司 | Metal tube former and processing method thereof |
| CN206366616U (en) * | 2016-12-23 | 2017-08-01 | 保隆(安徽)汽车配件有限公司 | Synchronous punching device in a kind of inner high voltage shaping mould |
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| CN106734724A (en) | 2017-05-31 |
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