CN209139630U - A kind of high-precision clinching mold - Google Patents
A kind of high-precision clinching mold Download PDFInfo
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- CN209139630U CN209139630U CN201821479688.6U CN201821479688U CN209139630U CN 209139630 U CN209139630 U CN 209139630U CN 201821479688 U CN201821479688 U CN 201821479688U CN 209139630 U CN209139630 U CN 209139630U
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- positioning column
- mold
- clinching
- precision
- straight tube
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Abstract
The utility model discloses a kind of high-precision clinching molds, it is related to producing the machine parts technical field of eyelet, it includes upper mold, lower mold, the positioning column and annular groove for the positioning of metal straight tube are provided on the upper surface of the lower mold, the bottom of the positioning column is arranged in the annular groove, slot bottom is curved surface and is arranged around positioning column, is provided with abutting card slot on the lower end surface of the upper mold, is embedded in for metal straight tube upper end；The utility model is by the way that the straight tube of required flange to be socketed on positioning column, upper mold downlink presses positioning column, the abutting card slot on upper mold can block the upper end of metal straight tube simultaneously, and give its lower pressure, the lower end of metal straight tube along lower die have on the curved surface profile of annular groove carry out flange, form eyelet, the utility model is simple for structure, reliability is higher, improves the quality of production and efficiency of eyelet.
Description
Technical field
The utility model relates to produce the machine parts technical field of eyelet, especially a kind of high-precision clinching mould
Tool.
Background technique
Eyelet is a kind of metal product being commonly used in the industrial production, by by metal straight tube one end flange processing
It is formed, through frequently as the elements such as decoration, air hole, with holes in the products such as paper product, cloth, craftwork；In turn, the height of eyelet
Quality high efficiency production also becomes particularly important, currently, the existing mold for processing eyelet is complex, while more knots
Structure is fitted under punching press movement, and part can often generate the situations such as abrasion or cracking, while the connection of more parts is reliable
Property it is not high, influence its machining accuracy, be also unfavorable for the production of efficient batch machining.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of high-precision clinching mold, and structure is simple
Easy, reliability is higher, and metal straight tube one end flange is formed eyelet when processing, can be improved eyelet the quality of production and
Efficiency.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of high-precision clinching mold, including upper mold, lower mold；It is provided on the upper surface of the lower mold for gold
Belong to the positioning column and annular groove of straight tube positioning, the annular groove is arranged in the bottom of the positioning column, slot bottom be curved surface simultaneously
It is arranged around positioning column, is provided with abutting card slot on the lower end surface of the upper mold, is embedded in for metal straight tube upper end.
For the utility model by the way that metal straight tube to be socketed on positioning column, upper mold downlink pushes positioning column, while upper mold
Abutting card slot on tool can block the upper end of metal straight tube, and give its lower pressure, on the lower end of metal straight tube has along lower die
Annular groove curved surface profile carry out flange, formed eyelet.
As an improvement of the above technical solution, the lower end surface of the upper mold is equipped with inverted rotary table, and the rotary table is set
It sets and is abutting card slot center, and rotary table bottom diameter is less than the internal diameter of metal straight tube, rotary table upper end diameter is greater than metal straight tube
Internal diameter, in this way, upper mold, during downlink, rotary table expands the diameter of metal straight tube upper end.
As a further improvement of the above technical scheme, regulating device, the regulating device are provided on the lower mold
The lower section of the positioning column is set and is abutted with positioning column, the overhang of the positioning column is adjusted, overhang adds needed for
The actual size of the eyelet of work is adjusted.
Further, the lower mold includes fixed block, and the annular groove is arranged on the fixed block, and the annular is recessed
Slot is provided centrally with stepped hole, flange is provided on the positioning column, the positioning column is inserted into the stepped hole, described
The upper surface of flange is abutted with the step surface in the stepped hole, and flange can limit positioning column in the top of stepped hole position
It sets.
Further, the regulating device includes adjusting screw, and the lower end of stepped hole of the adjusting screw from fixed block is matched
Conjunction is put in, and is abutted with the lower end surface of the positioning column.
Further, elastic component is provided between the adjusting screw and the positioning column, elastic component includes but is not limited to bullet
Spring, elastic slice, the elastic component and the positioning column are set with, and the upper end of elastic component is abutted with the lower end surface of flange, lower end and institute
It states and adjusts screw abutting, the pretightning force that the position that adjustment adjusts screw can be certain to elastic component avoids positioning column in upper mold
Lower pressure under, with adjust screw rigid contact, the two contact surface abrasion, at the same elastic component also act as one buffering effect,
It avoids upper mold from impacting metal straight tube suddenly, and then influences machining accuracy.
Further, the fixed block is coupled with fixing seat, and the fixing seat bottom corresponds to fixed block step hole location
It installs and is equipped with adjustment hole, in order to adjust the adjusting screw.
Further, the fixing seat includes mounting rack and installs fixed pedestal for the mounting rack, the adjusting screw,
Fixed block is mounted on the mounting rack.
Further, the pedestal both ends are relatively set with U-lag, with the fixed fixing seat of installation.
The beneficial effects of the utility model are: the utility model is by the way that the straight tube of required flange to be socketed on positioning column,
Upper mold downlink presses positioning column, while the abutting card slot on upper mold can block the upper end of metal straight tube, and gives its lower pressure,
The lower end of metal straight tube along lower die have on annular groove curved surface profile carry out flange, formed eyelet, the utility model
Simple for structure, reliability is higher, improves the quality of production and efficiency of eyelet.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model stereoscopic schematic diagram；
Fig. 2 is the utility model structure diagram；
Fig. 3 is the main view of the utility model；
Fig. 4 is the partial enlarged view at the A of Fig. 2.
Specific embodiment
Referring to Fig.1 shown in-Fig. 4, a kind of high-precision clinching mold of the utility model, including upper mold 1, lower mold 2,
It is provided on the lower end surface of the upper mold 1 and abuts card slot 5, be embedded in for metal straight tube upper end, 5 center of abutting card slot is equipped with
The rotary table 6 of back taper, 6 bottom diameter of rotary table are less than the internal diameter of metal straight tube, and 6 upper end diameter of rotary table is greater than metal straight tube
Internal diameter is provided with positioning column 3 and annular groove 4 for the positioning of metal straight tube, the lower die on the upper surface of the lower mold 2
Tool 2 includes fixed block 8, and the fixed block 8 is provided centrally with stepped hole, flange 21 is provided on the positioning column 3, described fixed
Position column 3 is inserted into the stepped hole, and the upper surface of the flange 21 is abutted with the step surface in the stepped hole, the annular
In 8 upper surface of fixed block, slot bottom is curved surface and is arranged around positioning column 3 setting of groove 4, is provided on the lower mold 2
Regulating device, the regulating device include adjusting screw 9, and the lower end cooperation of stepped hole of the adjusting screw 9 from fixed block 8 is stretched
Into, and abutted with the lower end surface of the positioning column 3, adjust the overhang of the positioning column 3, the adjusting screw 9 with it is described fixed
Elastic component 10, elastic component 10 including but not limited to spring, elastic slice, the elastic component 10 and the positioning are provided between the column 3 of position
Column 3 is set with, and the upper end of elastic component 10 is abutted with the lower end surface of flange 21, and lower end is abutted with the adjusting screw 9, elastic component 3
Contact surface abrasion can be caused to avoid screw 9 is adjusted with the unexpected rigid contact of positioning column 3, while also act as the effect of buffering, kept away
Exempt from the impact metal straight tube suddenly of upper mold 1, and then ensure machining accuracy, the fixed block 8 is coupled in fixing seat 7, institute
It states 7 bottom of fixing seat and corresponds to 8 step hole site of fixed block and be provided with adjustment hole, it is described solid in order to adjust the adjusting screw 9
Reservation 7 includes mounting rack 12 and installs fixed pedestal 13 for the mounting rack 12, and the adjusting screw 9, fixed block 8 are mounted on
On the mounting rack 12.
It is suitable to give elastic component 10 by adjusting screw 9 is adjusted to the position with the suitable distance of positioning column 3 for the utility model
When pretightning force, then the metal straight tube for needing to process flange is socketed on positioning column 3,1 downlink of upper mold push positioning column
3, the axial shrinkage in the stepped hole of fixed block 8 of positioning column 3 is contacted until with adjusting screw 9, during downlink, upper mold 1
On the rotary table 6 of back taper the diameter of metal straight tube upper end can be gradually expanded, until the upper end of metal straight tube insertion upper mold 1
Abutting card slot 5 on lower end surface, at the same the lower end of metal straight tube upper mold 1 lower pressure lower edge the annular on fixed block 8
The curved surface profile of groove 4 carries out flange and forms eyelet, and after processing is completed, 1 uplink of upper mold, elastic component 10 keeps positioning column 3 multiple
Position facilitates taking-up eyelet, and convenient for the progress of processing next time, high production efficiency.
As the improvement of above-mentioned specific embodiment, 13 both ends of pedestal are relatively set with U-lag, in order to fixing seat
7 are fixed on workbench.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of high-precision clinching mold, including upper mold (1), lower mold (2), it is characterised in that: the lower mold (2)
The positioning column (3) and annular groove (4) for the positioning of metal straight tube are provided on upper surface, the annular groove (4) is arranged in institute
The bottom of positioning column (3) is stated, slot bottom is curved surface and is arranged around positioning column (3), is provided on the lower end surface of the upper mold (1)
It abuts card slot (5), is embedded in for metal straight tube upper end.
2. a kind of high-precision clinching mold according to claim 1, it is characterised in that: the lower end of the upper mold (1)
Face is equipped with inverted rotary table (6), and rotary table (6) setting is at card slot (5) center of abutting, and rotary table (6) bottom diameter is less than
The internal diameter of metal straight tube, rotary table (6) upper end diameter are greater than the internal diameter of metal straight tube.
3. a kind of high-precision clinching mold according to claim 1, it is characterised in that: be arranged on the lower mold (2)
There is regulating device, the regulating device is arranged the lower section in the positioning column (3) and abuts with positioning column (3), and it is described fixed to adjust
The overhang of position column (3).
4. a kind of high-precision clinching mold according to claim 3, it is characterised in that: the lower mold (2) includes solid
Determine block (8), the annular groove (4) is arranged on the fixed block (8), and the annular groove (4) is provided centrally with step
Hole is provided with flange (21) on the positioning column (3), and the positioning column (3) is inserted into the stepped hole, the flange (21)
Upper surface abutted with the step surface in the stepped hole.
5. a kind of high-precision clinching mold according to claim 4, it is characterised in that: the regulating device includes adjusting
Screw (9), the lower end cooperation for adjusting screw (9) stepped hole from fixed block (8) are put in, and with the positioning column (3)
Lower end surface abuts.
6. a kind of high-precision clinching mold according to claim 5, it is characterised in that: the adjusting screw (9) and institute
It states and is provided between positioning column (3) elastic component (10), elastic component (10) includes but is not limited to spring, elastic slice, the elastic component
(10) it is set with the positioning column (3), and the upper end of elastic component (10) is abutted with the lower end surface of flange (21), lower end and the tune
Screw (9) are saved to abut.
7. a kind of high-precision clinching mold according to claim 5, it is characterised in that: fixed block (8) the cooperation peace
Loaded in fixing seat (7), fixing seat (7) bottom corresponds to fixed block (8) step hole site and is provided with adjustment hole, in order to adjust
Save the adjusting screw (9).
8. a kind of high-precision clinching mold according to claim 7, it is characterised in that: the fixing seat (7) includes peace
(12) and the pedestal (13) fixed for the mounting rack (12) installation are shelved, the adjusting screw (9), fixed block (8) are mounted on
On the mounting rack (12).
9. a kind of high-precision clinching mold according to claim 8, it is characterised in that: pedestal (13) both ends are opposite
U-lag (31) are provided with, with the fixed fixing seat (7) of installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479688.6U CN209139630U (en) | 2018-09-11 | 2018-09-11 | A kind of high-precision clinching mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479688.6U CN209139630U (en) | 2018-09-11 | 2018-09-11 | A kind of high-precision clinching mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209139630U true CN209139630U (en) | 2019-07-23 |
Family
ID=67265991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821479688.6U Active CN209139630U (en) | 2018-09-11 | 2018-09-11 | A kind of high-precision clinching mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209139630U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977822A (en) * | 2019-12-14 | 2020-04-10 | 华天科技（西安）有限公司 | Positioning pin for mechanical arm installation jig in cutting process |
| CN111229955A (en) * | 2019-12-28 | 2020-06-05 | 河北成华机械制造有限公司 | Special riveting device for inner plate of lever block wrench and brake cover |
| CN113787412A (en) * | 2021-08-03 | 2021-12-14 | 丁辉凤 | Production detection equipment of metal accessory helosis knot |
-
2018
- 2018-09-11 CN CN201821479688.6U patent/CN209139630U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977822A (en) * | 2019-12-14 | 2020-04-10 | 华天科技（西安）有限公司 | Positioning pin for mechanical arm installation jig in cutting process |
| CN110977822B (en) * | 2019-12-14 | 2022-05-24 | 华天科技（西安）有限公司 | Positioning pin for mechanical arm installation jig in cutting process |
| CN111229955A (en) * | 2019-12-28 | 2020-06-05 | 河北成华机械制造有限公司 | Special riveting device for inner plate of lever block wrench and brake cover |
| CN111229955B (en) * | 2019-12-28 | 2021-11-12 | 河北成华机械制造有限公司 | Riveting device for inner plate of lever block wrench and brake cover |
| CN113787412A (en) * | 2021-08-03 | 2021-12-14 | 丁辉凤 | Production detection equipment of metal accessory helosis knot |
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