CN209379722U - A kind of band locating pin type hole flanging backing-out punch - Google Patents
A kind of band locating pin type hole flanging backing-out punch Download PDFInfo
- Publication number
- CN209379722U CN209379722U CN201821908881.7U CN201821908881U CN209379722U CN 209379722 U CN209379722 U CN 209379722U CN 201821908881 U CN201821908881 U CN 201821908881U CN 209379722 U CN209379722 U CN 209379722U
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- CN
- China
- Prior art keywords
- hole flanging
- pin
- punch
- backing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of band locating pin type hole flanging backing-out punch, it belongs to mold machining technology field, including upper mold and lower die, the upper mold is equipped with the hole flanging punch being fixedly mounted, the lower die is equipped with the punching matched with the hole flanging punch, hole flanging backing-out punch is equipped in the punching, the hole flanging backing-out punch is equipped with the positioning pin for positioning product hole flanging position, the hole flanging punch is equipped with the groove matched with the positioning pin, is equipped with the electromagnet matched with the positioning pin in the groove；The hole flanging backing-out punch includes hole flanging cavity plate and hole flanging knock-pin, one end on the hole flanging knock-pin close to the hole flanging punch is inserted with moveable positioning pin, spring is equipped between the hole flanging knock-pin other end and punching, on the hole flanging knock-pin, the hole flanging cavity plate is matched with the hole flanging knock-pin, hole flanging punch the spring pocket respectively.
Description
Technical field
The utility model relates to mold machining technology fields, and in particular to a kind of band locating pin type hole flanging backing-out punch.
Background technique
Positioning pin is widely used in during mold directly positions, and has an accurate positioning, the high feature of stability, but some
Hole needs hole flanging on product, needs to increase hole flanging backing-out punch on the mold below product, just increases positioning pin without space, simultaneously
For smooth pickup and guarantee product shape quality, need to be ejected product by hole flanging part with backing-out punch after the completion of hole flanging,
But existing hole flanging backing-out punch only pass through spring elastic force complete product by hole flanging part eject work, if between it is thicker or
When punching is larger, the elastic force of spring is greater than into the component in punching and the enclasping force between punching, takes off product not with lower die
From the hole flanging work being easy between influence.
Utility model content
For the problems of in the prior art, a kind of band locating pin type hole flanging backing-out punch provided by the utility model,
Both the precise positioning of product may be implemented, improved the machining accuracy in hole on product, and can match by electromagnet and positioning pin
The hole flanging for being combined into product improves power-assisted, is conducive to the service life for improving hole flanging backing-out punch.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
A kind of band locating pin type hole flanging backing-out punch, including upper mold and lower die, the upper mold are equipped with the hole flanging being fixedly mounted
Formed punch, the lower die are equipped with the punching matched with the hole flanging punch, and hole flanging backing-out punch is equipped in the punching, described to turn over
Hole backing-out punch is equipped with the positioning pin for positioning product hole flanging position, and the hole flanging punch is equipped with to match with the positioning pin
The groove of conjunction, the groove is interior to be equipped with the electromagnet matched with the positioning pin；
The hole flanging backing-out punch includes the hole flanging cavity plate being fixedly mounted in the punching close to described hole flanging punch one end
With the hole flanging knock-pin that can move freely being mounted in the punching, close to the hole flanging punch on the hole flanging knock-pin
One end is inserted with the positioning pin matched with the groove that can move freely, the hole flanging knock-pin other end and the punching
Between be equipped with spring, the spring pocket on the hole flanging knock-pin, the hole flanging cavity plate respectively with the hole flanging knock-pin,
Hole flanging punch matches.
Preferably, the hole flanging punch and hole flanging backing-out punch are all made of non-magnetic hard alloy and manufacture.
Preferably, the hole flanging knock-pin is equipped with mounting hole, and what the positioning pin can be move freely is mounted on the peace
It fills in hole, described positioning pin one end is set with little spring, and in the mounting hole, the positioning pin is another for the little spring installation
End is matched with the electromagnet in the groove.
Preferably, it is equipped in the mounting hole and limits the first limiting stand that the positioning pin is separated with hole flanging knock-pin, institute
It states to be equipped in punching and limits the second limiting stand that the punching is separated with hole flanging knock-pin.
Preferably, the length of the positioning pin is not more than the length of the mounting hole.
The beneficial effects of the utility model are shown:
1, it by the way that positioning pin is arranged on hole flanging backing-out punch in the utility model, is matched by positioning pin with hole flanging punch
The positioning for realizing insert, is conducive to the positioning accuracy for increasing product, and less product positions alignment time, guarantees the qualification of product
Rate；
2, positioning pin is matched with electromagnet in the utility model, is that hole flanging knock-pin ejects the product in hole flanging cavity plate
When power-assisted is provided, be conducive to mitigate spring bear load, be conducive to improve spring service life, avoid because spring for a long time
The product in hole flanging cavity plate can not be ejected using spring force is reduced；
3, in the utility model positioning pin can in mounting hole free extension, both can to avoid formed punch pushing when, positioning pin
The punching effect of product is influenced, and formed punch can be made to there is speed-raising space, mention formed punch hole flanging knock-pin when formed punch rises
There are certain inertia when for power-assisted, provide a upward impulse force for hole flanging knock-pin, are conducive to release in hole flanging punch die
Product.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram with locating pin type hole flanging backing-out punch of the utility model；
Fig. 2 is the partial enlarged view of Fig. 1.
In figure: 1- upper mold, 2- lower die, 3- hole flanging punch, 4- positioning pin, 5- groove, 6- electromagnet, 7- hole flanging cavity plate, 8-
Hole flanging knock-pin, 9- punching, 10- spring, 11- little spring, 12- mounting hole, the first limiting stand of 13-, the second limiting stand of 14-.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
A kind of band locating pin type hole flanging backing-out punch as shown in Figs. 1-2, including upper mold 1 and lower die 2 are set in the upper mold 1
There is a hole flanging punch 3 of fixed installation, the lower die 2 is equipped with the punching 9 matched with the hole flanging punch 3, in the punching 9
Equipped with hole flanging backing-out punch, the hole flanging backing-out punch is equipped with the positioning pin 4 for positioning product hole flanging position, the hole flanging punch
3 are equipped with the groove 5 matched with the positioning pin 4, are equipped with the electromagnet matched with the positioning pin 4 in the groove 5
6；The hole flanging backing-out punch includes the hole flanging cavity plate 7 and peace being fixedly mounted in the punching 9 close to described 3 one end of hole flanging punch
The hole flanging knock-pin 8 that can move freely in the punching 9, close to the hole flanging punch 3 on the hole flanging knock-pin 8
One end is inserted with the positioning pin 4 matched with the groove 5 that can move freely, 8 other end of hole flanging knock-pin with it is described
Spring 10 is equipped between punching 9, the spring 10 is sleeved on the hole flanging knock-pin 8, the hole flanging cavity plate 7 respectively with it is described
Hole flanging knock-pin 8, hole flanging punch 3 match.
The hole flanging punch 3 is all made of non-magnetic hard alloy with hole flanging backing-out punch and manufactures；On the hole flanging knock-pin 8
Equipped with mounting hole 12, what the positioning pin 4 can be move freely is mounted in the mounting hole 12,4 one end of positioning pin suit
There is little spring 11, the little spring 11 is mounted in the mounting hole 12, in 4 other end of positioning pin and the groove 5
The electromagnet 6 matches；It is equipped in the mounting hole 12 and limits the first limit that the positioning pin 4 is separated with hole flanging knock-pin 8
Position platform 13, interior be equipped with of the punching 9 limit the second limiting stand 14 that the punching 9 is separated with hole flanging knock-pin 8；The positioning pin
4 length is not more than the length of the mounting hole 12.
When utility model works, the center for needing hole flanging position of part processed will be needed to open up and institute first
The opening that positioning pin 4 matches is stated, then matches the positioning for realizing part, after the completion of positioning, institute with opening by positioning pin 4
Stating upper mold 1 drives the hole flanging punch 3 to move down, and the hole flanging punch 3, which moves down, matches the positioning pin 4 with the groove 5,
Then the hole flanging punch 3 continues to press on the positioning pin 4 and moves down the compression little spring 11 and makes described in the positioning pin 4 enters
Mounting hole 12, then the hole flanging punch 3 continues to move down and the hole flanging knock-pin 8 is pushed to move down, and compresses the spring 10,
The last hole flanging punch 3 enters the punch work that product is completed in the punching 9, and then the upper mold 1 drives the hole flanging
Formed punch 3 quickly moves up, and the electromagnet 6 in the groove 5 starts, and the electromagnet 6 generates fixed described in magnetic-adsorption
Position pin 4, when moving up the hole flanging punch 3 quickly, elastic force and the hole flanging punch of the positioning pin 4 in the little spring 11
It is moved up under 3 pulling force, while the hole flanging knock-pin 8 moves up and processing product under the elastic force of the spring 10
Hole flanging part is in contact, the elastic band that then hole flanging punch 3 generates the pulling force of the positioning pin 4 and the little spring 11
It moves after the positioning pin 4 resets, the hole flanging punch 3 continues to move up, inertia force in 4 moving process of positioning pin, described
Hole flanging punch 3 matches the pulling force of the positioning pin 4 with the elastic force that the spring 10 generates, and pushes away the hole flanging knock-pin 8
The hole flanging part of dynamic processing product moves up and eventually disengages from the punching 9, the hole flanging between completion.
Above content is only the structure example and explanation to the utility model, the technologies of affiliated the art
Personnel make various modifications or additions to the described embodiments or are substituted in a similar manner, without departing from
The structure of utility model or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of band locating pin type hole flanging backing-out punch, characterized in that including upper mold and lower die, the upper mold, which is equipped with, to be fixedly mounted
Hole flanging punch, the lower die is equipped with the punching that matches with the hole flanging punch, is equipped with hole flanging backing-out punch in the punching,
The hole flanging backing-out punch is equipped with the positioning pin for positioning product hole flanging position, and the hole flanging punch is equipped with and the positioning
The groove matched is sold, is equipped with the electromagnet matched with the positioning pin in the groove；
The hole flanging backing-out punch includes the hole flanging cavity plate and peace being fixedly mounted in the punching close to described hole flanging punch one end
The hole flanging knock-pin that can move freely in the punching, close to one end of the hole flanging punch on the hole flanging knock-pin
It is inserted with the positioning pin matched with the groove that can move freely, between the hole flanging knock-pin other end and the punching
Equipped with spring, the spring pocket on the hole flanging knock-pin, the hole flanging cavity plate respectively with the hole flanging knock-pin, hole flanging
Formed punch matches.
2. a kind of band locating pin type hole flanging backing-out punch according to claim 1, characterized in that the hole flanging punch and hole flanging
Backing-out punch is all made of non-magnetic hard alloy manufacture.
3. a kind of band locating pin type hole flanging backing-out punch according to claim 1, characterized in that set on the hole flanging knock-pin
There is mounting hole, in the mounting hole, described positioning pin one end is set with little spring for the installation that the positioning pin can be move freely,
In the mounting hole, the positioning pin other end is matched with the electromagnet in the groove for the little spring installation.
4. a kind of band locating pin type hole flanging backing-out punch according to claim 3, characterized in that be equipped with limit in the mounting hole
The first limiting stand that the positioning pin is separated with hole flanging knock-pin is made, is equipped in the punching and limits the punching and hole flanging ejection
Second limiting stand of bar separation.
5. a kind of band locating pin type hole flanging backing-out punch according to claim 4, characterized in that the length of the positioning pin is not
Greater than the length of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821908881.7U CN209379722U (en) | 2018-11-20 | 2018-11-20 | A kind of band locating pin type hole flanging backing-out punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821908881.7U CN209379722U (en) | 2018-11-20 | 2018-11-20 | A kind of band locating pin type hole flanging backing-out punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209379722U true CN209379722U (en) | 2019-09-13 |
Family
ID=67864979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821908881.7U Expired - Fee Related CN209379722U (en) | 2018-11-20 | 2018-11-20 | A kind of band locating pin type hole flanging backing-out punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209379722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496165A (en) * | 2020-10-06 | 2021-03-16 | 湖北超卓航空科技股份有限公司 | Lower die structure and clamp circular arc forming die |
-
2018
- 2018-11-20 CN CN201821908881.7U patent/CN209379722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496165A (en) * | 2020-10-06 | 2021-03-16 | 湖北超卓航空科技股份有限公司 | Lower die structure and clamp circular arc forming die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20201120 |