CN204657282U - One prevents ejector pin of die set dropping structure - Google Patents
One prevents ejector pin of die set dropping structure Download PDFInfo
- Publication number
- CN204657282U CN204657282U CN201520353458.5U CN201520353458U CN204657282U CN 204657282 U CN204657282 U CN 204657282U CN 201520353458 U CN201520353458 U CN 201520353458U CN 204657282 U CN204657282 U CN 204657282U
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- CN
- China
- Prior art keywords
- ejector pin
- push rod
- hole
- rubber ring
- flexible rubber
- Prior art date
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- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The utility model discloses one and prevent ejector pin of die set dropping structure, comprise upper bolster and stripper plate, public clamping plate are provided with between upper bolster and stripper plate, upper padding plate is provided with between public clamping plate and upper bolster, de-backboard is provided with between public clamping plate and stripper plate, lower push rod hole is provided with in public clamping plate, the upper ejector pin hole of aliging with lower push rod hole is provided with in upper padding plate, lower push rod hole and upper ejector pin hole are built with push rod, the buffer unit hole corresponding with upper ejector pin hole is provided with in upper bolster, buffer unit hole is built with the elastic buffer jack unit for pushing up the bar that bears down on one, the main points of its technical scheme are, upper ejector pin hole inwall is provided with cannelure, cannelure is built with flexible rubber ring, push rod is provided with the necking down bar be installed in flexible rubber ring, the external diameter of push rod is greater than the internal diameter of flexible rubber ring, the external diameter of necking down bar is less than the internal diameter of flexible rubber ring, the external diameter of flexible rubber ring is greater than the internal diameter in upper ejector pin hole.
Description
[technical field]
The utility model relates to a kind of process equipment, is more particularly a kind of mould.
[background technology]
The push rod of existing mold is the round bar of equal diameters, and when upper mould is opened, push rod is easily taken out of public clamping plate by demoulding backboard and goes out active, or impact damages punching pin, there is potential safety hazard.
[utility model content]
The utility model object overcomes the deficiencies in the prior art, provides a kind of structure simple, safe and reliable, easy for installation, when opening upper mould push rod be stuck can not come off drop out prevent ejector pin of die set dropping structure.
The utility model is achieved through the following technical solutions:
One prevents ejector pin of die set dropping structure, comprise upper bolster 1 and stripper plate 2, public clamping plate 3 are provided with between described upper bolster 1 and stripper plate 2, upper padding plate 4 is provided with between described public clamping plate 3 and described upper bolster 1, de-backboard 5 is provided with between described public clamping plate 3 and described stripper plate 2, lower push rod hole 301 is provided with in described public clamping plate 3, the upper ejector pin hole 401 of aliging with described lower push rod hole 301 is provided with in described upper padding plate 4, described lower push rod hole 301 and upper ejector pin hole 401 are built with push rod 6, the buffer unit hole 101 corresponding with described upper ejector pin hole 401 is provided with in described upper bolster 1, described buffer unit hole 101 is built with the elastic buffer jack unit 7 for pushing up the push rod 6 described in pressure, it is characterized in that: described upper ejector pin hole 401 inwall is provided with cannelure 411, described cannelure 411 is built with flexible rubber ring 8, described push rod 6 is provided with the necking down bar 601 be installed in described flexible rubber ring 8, the external diameter of described push rod 6 is greater than the internal diameter of described flexible rubber ring 8, the external diameter of described necking down bar 601 is less than the internal diameter of described flexible rubber ring 8, the external diameter of described flexible rubber ring 8 is greater than the internal diameter in described upper ejector pin hole 401.
Prevent ejector pin of die set dropping structure as above, it is characterized in that: described elastic buffer jack unit 7 comprises the plug screw 701 locked in described upper end, buffer unit hole 101, described buffer unit hole 101, built with the top briquetting 702 that can slide, is provided with top pressure spring 703 between described top briquetting 702 and described plug screw 701 within it.
Prevent ejector pin of die set dropping structure as above, it is characterized in that: the two ends that described necking down bar 601 is connected with described push rod 6 are provided with straight chamfering 611.
Prevent ejector pin of die set dropping structure as above, it is characterized in that: described straight chamfering 611 is 30 degree.
Prevent ejector pin of die set dropping structure as above, it is characterized in that: the diameter in described lower push rod hole 301 and described upper ejector pin hole 401 is 8.9mm.
Prevent ejector pin of die set dropping structure as above, it is characterized in that: described necking down bar 601 diameter is 7.9mm.
Compared with prior art, the utility model has the following advantages:
1, the utility model arranges cannelure and places cushion rubber and block push rod in the upper ejector pin hole of upper padding plate, and structure is simple, safe and reliable, easy for installation, and when opening upper mould, push rod is stuck to come off and drops out.
2, the annular diameters size of the utility model flexible rubber ring is greater than necking down bar external diameter, flexible rubber ring can not be made to lose efficacy during guarantee mold work state between push rod and flexible rubber ring because of frictional heating.
3, the utility model necking down bar two ends are provided with chamfering, and push rod is convenient to remove.
[accompanying drawing explanation]
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model A portion enlarged drawing.
[detailed description of the invention]
One prevents ejector pin of die set dropping structure, comprise upper bolster 1 and stripper plate 2, public clamping plate 3 are provided with between described upper bolster 1 and stripper plate 2, upper padding plate 4 is provided with between described public clamping plate 3 and described upper bolster 1, de-backboard 5 is provided with between described public clamping plate 3 and described stripper plate 2, lower push rod hole 301 is provided with in described public clamping plate 3, the upper ejector pin hole 401 of aliging with described lower push rod hole 301 is provided with in described upper padding plate 4, described lower push rod hole 301 and upper ejector pin hole 401 are built with push rod 6, the buffer unit hole 101 corresponding with described upper ejector pin hole 401 is provided with in described upper bolster 1, described buffer unit hole 101 is built with the elastic buffer jack unit 7 for pushing up the push rod 6 described in pressure, described upper ejector pin hole 401 inwall is provided with cannelure 411, described cannelure 411 is built with flexible rubber ring 8, described push rod 6 is provided with the necking down bar 601 be installed in described flexible rubber ring 8, the external diameter of described push rod 6 is greater than the internal diameter of described flexible rubber ring 8, the external diameter of described necking down bar 601 is less than the internal diameter of described flexible rubber ring 8, the external diameter of described flexible rubber ring 8 is greater than the internal diameter in described upper ejector pin hole 401.In the upper ejector pin hole of upper padding plate, arrange cannelure place cushion rubber and block push rod, structure is simple, safe and reliable, easy for installation, and when opening upper mould, push rod is stuck to come off and drops out.
Described elastic buffer jack unit 7 comprises the plug screw 701 locked in described upper end, buffer unit hole 101, described buffer unit hole 101, built with the top briquetting 702 that can slide, is provided with top pressure spring 703 between described top briquetting 702 and described plug screw 701 within it.
The two ends that described necking down bar 601 is connected with described push rod 6 are provided with straight chamfering 611.Described straight chamfering 611 is preferably 30 degree.Chamfering be arranged so that push rod take out very convenient.
The diameter in described lower push rod hole 301 and described upper ejector pin hole 401 is all preferably 8.9mm.
Described necking down bar 601 diameter is preferably 7.9mm.Flexible rubber ring can not be made to lose efficacy because of frictional heating between push rod and flexible rubber ring during guarantee mold work state.
Claims (6)
1. one kind prevents ejector pin of die set dropping structure, comprise upper bolster (1) and stripper plate (2), public clamping plate (3) are provided with between described upper bolster (1) and stripper plate (2), upper padding plate (4) is provided with between described public clamping plate (3) and described upper bolster (1), de-backboard (5) is provided with between described public clamping plate (3) and described stripper plate (2), lower push rod hole (301) is provided with in described public clamping plate (3), the upper ejector pin hole (401) of aliging with described lower push rod hole (301) is provided with in described upper padding plate (4), described lower push rod hole (301) and upper ejector pin hole (401) are built with push rod (6), the buffer unit hole (101) corresponding with described upper ejector pin hole (401) is provided with in described upper bolster (1), described buffer unit hole (101) is built with the elastic buffer jack unit (7) for pushing up the push rod (6) described in pressure, it is characterized in that: described upper ejector pin hole (401) inwall is provided with cannelure (411), described cannelure (411) is built with flexible rubber ring (8), described push rod (6) is provided with the necking down bar (601) be installed in described flexible rubber ring (8), the external diameter of described push rod (6) is greater than the internal diameter of described flexible rubber ring (8), the external diameter of described necking down bar (601) is less than the internal diameter of described flexible rubber ring (8), the external diameter of described flexible rubber ring (8) is greater than the internal diameter in described upper ejector pin hole (401).
2. according to claim 1ly prevent ejector pin of die set dropping structure, it is characterized in that: described elastic buffer jack unit (7) comprises the plug screw (701) locked in described buffer unit hole (101) upper end, described buffer unit hole (101), built with the top briquetting (702) that can slide, is provided with top pressure spring (703) between described top briquetting (702) and described plug screw (701) within it.
3. according to claim 1ly prevent ejector pin of die set dropping structure, it is characterized in that: the two ends that described necking down bar (601) is connected with described push rod (6) are provided with straight chamfering (611).
4. according to claim 3ly prevent ejector pin of die set dropping structure, it is characterized in that: described straight chamfering (611) is 30 degree.
5. according to claim 3ly prevent ejector pin of die set dropping structure, it is characterized in that: the diameter in described lower push rod hole (301) and described upper ejector pin hole (401) is 8.9mm.
6. according to claim 3ly prevent ejector pin of die set dropping structure, it is characterized in that: described necking down bar (601) diameter is 7.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353458.5U CN204657282U (en) | 2015-05-27 | 2015-05-27 | One prevents ejector pin of die set dropping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353458.5U CN204657282U (en) | 2015-05-27 | 2015-05-27 | One prevents ejector pin of die set dropping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204657282U true CN204657282U (en) | 2015-09-23 |
Family
ID=54127719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520353458.5U Active CN204657282U (en) | 2015-05-27 | 2015-05-27 | One prevents ejector pin of die set dropping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204657282U (en) |
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2015
- 2015-05-27 CN CN201520353458.5U patent/CN204657282U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |