CN207787362U - A kind of special press machine - Google Patents
A kind of special press machine Download PDFInfo
- Publication number
- CN207787362U CN207787362U CN201721906211.7U CN201721906211U CN207787362U CN 207787362 U CN207787362 U CN 207787362U CN 201721906211 U CN201721906211 U CN 201721906211U CN 207787362 U CN207787362 U CN 207787362U
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- groove
- spring
- die
- press machine
- die blocks
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Abstract
The utility model discloses a kind of special press machine, including pedestal, and the center of pedestal is set along its vertical direction there are one stepped groove, and stepped groove is included the first groove, the second groove and the third groove of isosceles trapezoid shape by its opening direction successively towards its slot bottom；The lower left corner of left die block and the lower right corner of right die block are respectively hinged on the corresponding position of the first groove front and rear sides wall；The upper end-face edge that arc gap and the side are offered in the middle part of the side of the sides Yao Bi is equipped with bevelling；The first spring that two die blocks are fixed in respectively in the first groove both sides waist wall is pulled to fit with corresponding waist wall；Backing plate is flatly equipped in second groove, the slot bottom of third groove and the bottom end of second spring are fixedly linked, and the top of second spring is connected with the mandril for stretching into third groove slot bottom, and second spring not exclusively skids off third groove in natural length lower push rod.The Special punching press-molding is efficient, Forming Quality is good, simple and ingenious structure, conducive to promoting the use of.
Description
Technical field
The utility model belongs to steel processing technique field more particularly to a kind of punch forming of steel pipe.
Background technology
Steel pipe is widely used in as structural member in various structural steelworks, and to the manufacture of steel pipe, there are many sides at present
Formula, such as cast, turning molding etc., but mostly shaping efficiency is relatively low, for the existing cold-rolling process of cold tube rolling and equipment matter
It measures irregular, and is molded fast, the good equipment of Forming Quality often involves great expense, complicated, it is difficult to promote the use of.
Utility model content
The purpose of this utility model is to provide a kind of special press machine, the Special punching press-molding is efficient, is molded matter
It measures, simple and ingenious structure, conducive to promoting the use of.
The technical solution of the utility model is as follows：
The center of a kind of special press machine, including pedestal, the pedestal is set along its vertical direction there are one stepped groove, described
Stepped groove is included the first groove, the second groove and the third groove of isosceles trapezoid shape by its opening direction successively towards its slot bottom, the
Upward, small end connects the big end of one groove with the second groove；
Two die blocks not connected each other, the lower left corner and the right side of left die block are symmetrically equipped in first groove
The lower right corner of die block is respectively hinged on the corresponding position of the first groove front and rear sides wall, so that two die blocks can be
Certain angle is freely rotated in one groove；Side lower edge of two die blocks respectively towards the corresponding sides Yao Bi of the first groove is equipped with
First rounded corner, the upper end-face edge that arc gap and the side are offered in the middle part of the side of the sides Yao Bi are equipped with bevelling,
Arc transition is connected between the bevelling and the arc gap；Two die blocks are fixed in respectively in the first groove both sides waist wall
The first spring be pulled to and fit with corresponding waist wall so that the gap formed between side where the bevelling of two die blocks is enough
Accommodate rolled steel pipe vertically through；
Backing plate is flatly equipped in second groove, the slot bottom of third groove and the bottom end of second spring are fixedly linked,
The top of second spring is connected with the mandril for stretching into third groove slot bottom, and second spring is not exclusively sliding in natural length lower push rod
Go out third groove, so that in a non-operative state, mandril passes through two die block tops after the backing plate to respectively recessed with first
The position that the corresponding waist wall of slot fits, and in the operating condition, the bottom face of two die blocks is gone on the backing plate top surface
When, two arc gaps are combined into a round die cavity.
Further, the first spring horizontal setting.
Further, the minimum level gap between two die block is located at two arc gaps position below, and most
Small horizontal clearance is 3 with the round die cavity diameter ratio:20.
Further, the angle between two waist walls of first groove is formed with face where the bevelling of two die blocks
The ratio between angle be 3:10.
Further, first groove and the second groove joint rounded corner are handled, and the second rounded corner poured out
The center of circle be located at two die blocks and the first groove front-rear side walls it is hinged when articulated shaft axis on, first falls described in rotation process
Fillet can be with the second rounded corner phase inscribe.
Further, the left and right sides wall of the pedestal is respectively equipped with semicircular indentations.
The beneficial effects of the utility model：When the utility model is used, under original state, two pressuring templates are respectively corresponded to
The first spring be pulled to the position that patch is thought with the first groove waist wall, the gap of upper end becomes larger between two pressuring templates, accommodate mold core and
Plank can smoothly enter into, and when plank is continued punching press by mold core downwards, plank is gradually convexly curved and is all introduced into two pressures
Die cavity between template, when pressuring template lower face is placed in backing plate upper surface, the respective arc gap of two pressuring templates is combined into institute
The steel pipe forming die cavity needed, mold core is by plate stamping at steel pipe type this moment, and then mold core is retracted upwards, and mandril is in second spring
Reset response under assist the first spring together to push up two pressuring templates and make two pressuring template upper end openings open, become larger,
Steel pipe and mold core leave, demould separation.It can be seen that the special press machine is gradually molded, Forming Quality is stablized, automatic demoulding,
Shaping efficiency is higher, simple and compact for structure and ingenious, easily fabricated, is conducive to promote the use of.
Description of the drawings
Fig. 1 is the structural schematic diagram before special press machine punching press.
Structural schematic diagram when Fig. 2 is special press machine punch forming.
Fig. 3 is the structural schematic diagram of steel pipe separating device after the completion of special press machine punch forming.
Fig. 4 is the structural schematic diagram of pedestal.
Fig. 5 is enlarged view at I in Fig. 2.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Fig. 1-4, a kind of special press machine, including pedestal 17, the center of the pedestal 17 are set along its vertical direction
There are one stepped groove, the stepped groove by its opening direction include successively towards its slot bottom isosceles trapezoid shape the first groove 1701,
Second groove 1702 and third groove 1703, upward, small end connects the big end of the first groove 1701 with the second groove 1702.
Two die blocks 18 not connected each other, the lower-left of left die block are symmetrically equipped in first groove 1701
Angle and the lower right corner of right die block are respectively hinged on the corresponding position of 1701 front and rear sides wall of the first groove, so that two pressing molds
Certain angle can be freely rotated in the first groove 1701 in block 18 in perpendicular.Two die blocks 18 are respectively towards the first groove
The side lower edge of the 1701 corresponding sides waist wall a is equipped with the first rounded corner b, is offered in the middle part of the side of the sides waist wall a
Arc gap 1801 and the upper end-face edge of the side are equipped with bevelling 1802, the bevelling 1802 and the arc gap 1801 it
Between arc transition be connected.The first spring 20 that two die blocks 18 are fixed in respectively in 1701 both sides waist wall a of the first groove is pulled to
It fits with corresponding waist wall a, so that the clearance D formed between the 1802 place side of bevelling of two die blocks 18 is sufficient to accommodate volume
The steel pipe made vertically through.
Backing plate 21, the bottom of the slot bottom and second spring 23 of third groove 1703 are flatly equipped in second groove 1702
End is fixedly linked, and the top of second spring 23 is connected with the mandril 22 for stretching into 1703 slot bottom of third groove, and second spring 23 exists
Natural length lower push rod 22 not exclusively skids off third groove 1703, so that in a non-operative state, mandril 22 passes through the pad
Two die blocks 18 are pushed up to the position that respectively waist wall a corresponding to the first groove 1701 fits, and in working condition after plate 21
Under, when the bottom face of two die blocks 18 is gone on 21 top surface of the backing plate, two arc gaps 1801 are combined into a circular mode
Chamber is used for the final molding of steel pipe.
Further, first spring 20 is horizontally disposed, so that preferably exerting a force to two pressuring templates 18.
Further, the minimum level gap L between two die block 18 is located at two arc gaps, 1801 position below
It sets, and minimum level gap L and the round die cavity diameter ratio are 3:20.Can more efficiently it ensure under the structure size
Two pressuring templates, 18 flexible rotating can simultaneously be spliced into the round die cavity, improve Forming Quality, and make overall structure more as possible
For compact and reasonable.
Further, the bevelling 1802 of the included angle B and two die blocks 18 between two waist wall a of first groove 1701
It is 3 that place face, which is formed by the ratio between included angle A,:10.Under the structure size, it can effectively further ensure that two pressuring templates 18 are spliced into
After the circle die cavity makes steel pipe forming, preferably steel pipe can be allowed to leave pressing mold under mandril 22 and the collaboration of the first spring 20
The die cavity of plate 18, while being also beneficial to wait for that fracture plate 3 and punching mold core 24 (optical axis) smoothly rapidly enter when punching press is initial
Die cavity between two pressuring templates 18, while Forming Quality is also improved, and as possible so that overall structure more compact and reasonable.
Further, as shown in figure 5,1701 and second groove of the first groove, 1702 joint rounded corner is handled, and
The center of circle of the second rounded corner c poured out is located at articulated shaft when two die blocks 18 and hinged 1801 front-rear side walls of the first groove
On 19 axis, and the first rounded corner b described in rotation process can be with the second rounded corner c phase inscribes.The structure design is conducive to
Two modules 18 are flexibly stablized in rotation.
Further, the left and right sides wall of the pedestal 17 is respectively equipped with semicircular indentations, to mitigate unsplit bedplate 17
Under the premise of weight, ensure the whole load performance of pedestal 17.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (6)
1. a kind of special press machine, it is characterised in that：Including pedestal, the center of the pedestal is set along its vertical direction there are one rank
Terraced slot, the stepped groove include the first groove of isosceles trapezoid shape, the second groove and the successively towards its slot bottom by its opening direction
Three grooves, upward, small end connects the big end of the first groove with the second groove；
Two die blocks not connected each other, the lower left corner of left die block and right pressing mold are symmetrically equipped in first groove
The lower right corner of block is respectively hinged on the corresponding position of the first groove front and rear sides wall, so that two die blocks can be recessed first
Certain angle is freely rotated in slot；Two die blocks are respectively equipped with first towards the side lower edge of the corresponding sides Yao Bi of the first groove
Rounded corner, the upper end-face edge that arc gap and the side are offered in the middle part of the side of the sides Yao Bi are equipped with bevelling, should fall
Arc transition is connected between oblique angle and the arc gap；Two die blocks are fixed in the first groove both sides waist wall respectively
One spring is pulled to fit with corresponding waist wall, so that the gap formed between side where the bevelling of two die blocks is sufficient to accommodate
Rolled steel pipe vertically through；
Backing plate is flatly equipped in second groove, the slot bottom of third groove and the bottom end of second spring are fixedly linked, and second
The top of spring is connected with the mandril for stretching into third groove slot bottom, and second spring not exclusively skids off in natural length lower push rod
Three grooves so that in a non-operative state, mandril pass through after the backing plate by two die block tops to respectively with the first groove
The position that corresponding waist wall fits, and in the operating condition, when the bottom face of two die blocks is gone on the backing plate top surface, two
Arc gap is combined into a round die cavity.
2. special press machine according to claim 1, it is characterised in that：The first spring horizontal setting.
3. special press machine according to claim 1 or claim 2, it is characterised in that：Between minimum level between two die block
Gap is located at two arc gaps position below, and minimum level gap and the round die cavity diameter ratio are 3:20.
4. special press machine according to claim 3, it is characterised in that：Angle between two waist walls of first groove with
It is 3 that face where the bevelling of two die blocks, which is formed by the ratio between angle,:10.
5. special press machine according to claim 4, it is characterised in that：First groove and the second groove joint rounding
Angle is handled, and the articulated shaft when center of circle for the second rounded corner poured out is located at two die blocks and the first groove front-rear side walls hingedly
On axis, the first rounded corner described in rotation process can be with the second rounded corner phase inscribe.
6. special press machine according to claim 5, it is characterised in that：The left and right sides wall of the pedestal is respectively equipped with semicircle
V notch v.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721906211.7U CN207787362U (en) | 2017-12-29 | 2017-12-29 | A kind of special press machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721906211.7U CN207787362U (en) | 2017-12-29 | 2017-12-29 | A kind of special press machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207787362U true CN207787362U (en) | 2018-08-31 |
Family
ID=63276826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721906211.7U Expired - Fee Related CN207787362U (en) | 2017-12-29 | 2017-12-29 | A kind of special press machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207787362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983806A (en) * | 2017-12-29 | 2018-05-04 | 重庆鹏林钢结构有限责任公司 | Special press machine |
-
2017
- 2017-12-29 CN CN201721906211.7U patent/CN207787362U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983806A (en) * | 2017-12-29 | 2018-05-04 | 重庆鹏林钢结构有限责任公司 | Special press machine |
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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: 20180831 Termination date: 20181229 |