CN202037289U - U-iron cold forging die - Google Patents
U-iron cold forging die Download PDFInfo
- Publication number
- CN202037289U CN202037289U CN2011201471831U CN201120147183U CN202037289U CN 202037289 U CN202037289 U CN 202037289U CN 2011201471831 U CN2011201471831 U CN 2011201471831U CN 201120147183 U CN201120147183 U CN 201120147183U CN 202037289 U CN202037289 U CN 202037289U
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- China
- Prior art keywords
- die
- backing plate
- ejector
- push rod
- forging
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Abstract
The utility model provides a U-iron cold forging die, which comprises a punch, a concave die, a mandril of a terrace die, a knockout device and a spacer plate, wherein the mandril of the terrace die is in clearance fit in the concave die and is fixedly fixed with the spacer plate, the punch, the concave die, the mandril of the terrace die and the knockout device are combined together to form a stamping cavity, an elastic pushing gear is arranged between the concave die and the spacer plate, and the concave die is movably matched and connected with the spacer plate; and the knockout device is movably matched with the gap between the concave die and the mandril of the terrace die. First, a forging mode of the forging die replaces the traditional machining mode to produce and manufacture U-irons, the production efficiency of the U-irons can be greatly improved, so the mass production of the U-irons is facilitated, and the strength, the hardness and the plastic property of a workpiece which is produced by the forging mode are all better than the workpiece which is machined.
Description
Technical field
The utility model relates to the cold-forging die technical field, specifically is a kind of cold-forging die of U iron.
Background technology
In the prior art, U ironware commonly used in loudspeaker is generally made by mach mode, mach efficient is lower, the waste of material is more serious, be unsuitable for the production in enormous quantities of U iron, and intensity, hardness and the plastic property of the U iron of being made by mach mode are all undesirable.
The utility model content
Technical problem to be solved in the utility model is, the cold-forging die of the U iron that a kind of U of being suitable for iron produces in enormous quantities is provided, and its production efficiency height is higher, saves material, helps improving intensity, hardness and the plastic property of product.
For solving the problems of the technologies described above, the cold-forging die of the U iron that the utility model provides, it comprises drift, die, punch push rod, ejector and backing plate, described punch push rod matched in clearance is connected and fixed in die and with backing plate, described drift, die, punch push rod and ejector constitute the punching press die cavity, be provided with the elasticity ejector apparatus between described die and the backing plate, described die is connected movingly with backing plate; Described ejector is movingly in the gap between die and punch push rod.
After adopting above structure, the cold-forging die of the utility model U iron compared with prior art has the following advantages:
At first, the mode of being forged by cold-forging die replaces traditional machining mode to carry out the manufacturing of U iron, can significantly improve the production efficiency of U iron, be convenient to the production in enormous quantities of U iron, and intensity, hardness and the plastic property of the workpiece produced of mode of forging and pressing are all than good many of machined workpiece.
Secondly, the elasticity ejector apparatus helps the demoulding of product, and is convenient to the filling location of blank, helps keeping blank and keep stable in punching course.
Preferable, described elasticity ejector apparatus is a rubber washer; Described backing plate is provided with storage tank, and described rubber washer is positioned at storage tank, and described die is pressed on the rubber washer.The elasticity of rubber mat plate is better, can satisfy the performance requirement in the utility model, belongs to preferred version.
Preferable, described die and backing plate are meant movingly through the elasticity ejector apparatus, are provided with pull bar between described die and the backing plate, and described backing plate is provided with the stroke hole of band stopper slot, one end of described pull bar is connected with die, and the other end is engaged in the stopper slot in backing plate up stroke hole.Can guarantee that like this die can move up and down smoothly under the effect of elasticity ejector apparatus, realize the purpose of die sinking or matched moulds.
Preferable, described die also comprises the die circle stress, described die is fixed in the die circle stress; The upper surface of described backing plate is provided with depression, and described die circle stress is engaged in the depression on the backing plate.Using the die circle stress mainly is the manufacturing cost of saving die, also can play the effect of protection die, avoids the wearing and tearing of die as far as possible, also is convenient to and being connected and setting of other each parts.
Preferable, described ejector is the thin cylinder shape; Described backing plate is provided with containing hole, and described punch push rod is arranged in the containing hole on the backing plate, described ejector be linked on the punch push rod and with backing plate movingly; In the gap of the top sliding fit of described ejector between die and punch push rod.Ejector is between punch and die, help guaranteeing the axiality of punch push rod and die, in course of action, punch push rod and die also can be played a supporting role to ejector, prevent that its sidewall from deforming, help keeping the intensity of ejector self, the part of ejector also is the containing hole that is positioned on the backing plate, its with backing plate between can slide relatively, so also can play supporting role to ejector, also help keeping its axiality in moving process and between the punch, make its working stability.
Preferable, described ejector also comprises the push rod that is connected with power-equipment, the pilot hole that described push rod passes on the backing plate is connected with ejector.This is a kind of manner of execution of ejector, provides power by push rod for it.
Description of drawings
Accompanying drawing is the structural representation of the cold-forging die of the utility model U iron;
Wherein, 1, drift; 2, die; 3, punch push rod; 4, ejector; 5, backing plate; 6, rubber washer; 7, storage tank; 8, pull bar; 9, stopper slot; 10, stroke groove; 11, die circle stress; 12, depression; 13, containing hole.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The cold-forging die of the utility model U iron, it comprises drift 1, die 2, punch push rod 3, ejector 4 and backing plate 5, wherein, punch push rod 3 matched in clearance are connected and fixed in die 2 and with backing plate 5, the installation of concavo-convex mould 3 can be that a containing hole 13 is set on backing plate 5, the lower end of concavo-convex mould 3 is provided with base 3.1, concavo-convex mould 3 is positioned at this containing hole 13, and the upper end reaches in the die 2, its base 3.1 is inlayed and is fixed on the backing plate 5, during matched moulds, constitute the punching press die cavity by drift 1, die 2, punch push rod 3 and ejector 4.
In the utility model, be provided with the elasticity ejector apparatus between die 2 and the backing plate 5, this elasticity ejector apparatus plays the ejection effect to die 2, and die 2 is connected movingly with backing plate 5; Ejector 4 is movingly in the gap between die 2 and punch push rod 3.
Above-mentioned elasticity ejector apparatus is a rubber washer 6; Mounting means is: be provided with storage tank 7 on backing plate 5, rubber washer 6 is positioned at storage tank 7, and die 2 is pressed on the rubber washer 6 all the time.
Above-mentioned die 2 with the concrete structure that backing plate 5 is connected movingly is: be provided with pull bar 8 between die 2 and backing plate 5, by pull bar 8 both are strained, backing plate 5 is provided with the stroke hole 10 of band stopper slot 9, pull bar 8 is positioned at the trip hole 10, and an end and the die 2 of pull bar 8 are connected and fixed, the other end is engaged in the stopper slot 9 in backing plate 5 up stroke holes 10, at elastic washer 6 during with die jack-up, stopper slot 9 on the stroke hole 10 blocks the head of pull bar 8, keep both stable, and will make elastic washer 6 be in compressive state this moment.This pull bar 8 owing to be engaged in fact in the stroke hole 10, also plays the effect of guiding in the course of the work except connecting die 2 and backing plate 5, it is stable to keep die 2, helps drift 1 and cooperates with the accurate of die 2.
Use for reference and routine techniques, in order to save the material cost of die 2, outside die 2, die circle stress 11 can also be set, die 2 is fixed in the die circle stress 11, being connected by die circle stress 11 between each parts of die 2 and other carried out, and avoids die 2 damages or influence as far as possible; The upper surface of backing plate 5 is provided with depression 12; die circle stress 11 is engaged in the depression 12 on the backing plate 5 all the time; the main purpose of this depression 12 also play the guiding role; in conjunction with above-mentioned pull bar 8; just die circle stress 11 can be limited it when die sinking or the matched moulds moves along this depression 12; so further assurance die 2 is relatively stable with the position of drift 1, and the punching press of drift 1 can be carried out smoothly.
The above-mentioned ejector that is used for the demoulding 4 is the thin cylinder shape; In view of containing hole 13 is arranged on the above-mentioned backing plate 5, and punch push rod 3 is arranged in the containing hole 13 on the backing plate 5, just ejector 4 can be linked on the punch push rod 3 and with backing plate 5 movingly; In the gap of the top sliding fit of ejector 4 between die 2 and punch push rod 3, this structure had both helped guaranteeing the axiality of die 2 and punch push rod 3, by 3 pairs of ejectors 4 of die 2 and punch push rod are played a supporting role, prevented that it from deforming.
Ejector 4 also comprises the push rod 14 that is connected with power-equipment, and the pilot hole that push rod 14 passes on the backing plate 5 is connected with ejector 4.According to above-mentioned structure, the pilot hole on the backing plate 5 is to be opened on the base 3.1 of punch push rod 3.Drive ejector 4 work by push rod 14.
Claims (6)
1. the cold-forging die of a U iron, it comprises drift (1), die (2), punch push rod (3), ejector (4) and backing plate (5), described punch push rod (3) matched in clearance is connected and fixed in die (2) and with backing plate (5), described drift (1), die (2), punch push rod (3) and ejector (4) constitute the punching press die cavity, it is characterized in that: be provided with the elasticity ejector apparatus between described die (2) and the backing plate (5), described die (2) is connected movingly with backing plate (5); Described ejector (4) is movingly in the gap between die (2) and punch push rod (3).
2. the cold-forging die of U iron according to claim 1 is characterized in that: described elasticity ejector apparatus is rubber washer (6); Described backing plate (5) is provided with storage tank (7), and described rubber washer (6) is positioned at storage tank (7), and described die (2) is pressed on the rubber washer (6).
3. the cold-forging die of U iron according to claim 1, it is characterized in that: described die (2) is meant through the elasticity ejector apparatus movingly with backing plate (5), be provided with pull bar (8) between described die (2) and the backing plate (5), described backing plate (5) is provided with the stroke hole (10) of band stopper slot (9), one end of described pull bar (8) is connected with die (2), and the other end is engaged in the stopper slot (9) in backing plate (5) up stroke hole (10).
4. the cold-forging die of U iron according to claim 3 is characterized in that: described die (2) also comprises die circle stress (11), and described die (2) is fixed in the die circle stress (11); The upper surface of described backing plate (5) is provided with depression (12), and described die circle stress (11) is engaged in the depression (12) on the backing plate (5).
5. the cold-forging die of U iron according to claim 1 is characterized in that: described ejector (4) is the thin cylinder shape; Described backing plate (5) is provided with containing hole (13), and described punch push rod (3) is arranged in the containing hole (13) on the backing plate (5), described ejector (4) be linked in that punch push rod (3) is gone up and with backing plate (5) movingly; In the gap of the top sliding fit of described ejector (4) between die (2) and punch push rod (3).
6. the cold-forging die of U iron according to claim 2 is characterized in that: described ejector (4) also comprises the push rod (14) that is connected with power-equipment, and the pilot hole that described push rod (14) passes on the backing plate (5) is connected with ejector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201471831U CN202037289U (en) | 2011-05-05 | 2011-05-05 | U-iron cold forging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201471831U CN202037289U (en) | 2011-05-05 | 2011-05-05 | U-iron cold forging die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202037289U true CN202037289U (en) | 2011-11-16 |
Family
ID=44964754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201471831U Expired - Fee Related CN202037289U (en) | 2011-05-05 | 2011-05-05 | U-iron cold forging die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202037289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989966A (en) * | 2012-10-19 | 2013-03-27 | 如皋市大生线路器材有限公司 | One-time casting forming mold for prop flange used for transformer station |
| CN104384419A (en) * | 2014-12-03 | 2015-03-04 | 宁波科高电声有限公司 | One-step cold forging type deep straight hole die |
-
2011
- 2011-05-05 CN CN2011201471831U patent/CN202037289U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989966A (en) * | 2012-10-19 | 2013-03-27 | 如皋市大生线路器材有限公司 | One-time casting forming mold for prop flange used for transformer station |
| CN104384419A (en) * | 2014-12-03 | 2015-03-04 | 宁波科高电声有限公司 | One-step cold forging type deep straight hole die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20130505 |