CN102974680B - Pipe piercing die - Google Patents
Pipe piercing die Download PDFInfo
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- CN102974680B CN102974680B CN201210482794.0A CN201210482794A CN102974680B CN 102974680 B CN102974680 B CN 102974680B CN 201210482794 A CN201210482794 A CN 201210482794A CN 102974680 B CN102974680 B CN 102974680B
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- die
- punch
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- holder
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Abstract
The invention discloses a pipe piercing die which comprises an upper die and a lower die, wherein the upper die comprises a vertically arranged fixed base and a male die fixed on the fixed base in a horizontal cantilever type, the radial dimension of the cantilever end of the male die protruding out of the side wall of the fixed base is not bigger than the inner diameter of a workpiece and a projection of the male die on the vertical direction is the same with the outline of a piercing part of the workpiece; the lower die at least comprises a female die, the female die is provided with a vertical groove coincident with the cantilever end of the male die, which corresponds to the cantilever end of the male die, a horizontal groove corresponding to the vertical groove and used for supporting the workpiece is arranged on the top surface of the female die, the horizontal groove is an arc groove with the same outer diameter with that of the workpiece and the width of a groove opening of the horizontal groove is not less than that of a groove opening of the vertical groove. The pipe piercing die is capable of realizing blanking processing of a single gap of the penetration of pipes; and compared with the traditional manual oxygen cutting process, the pipe piercing die has the advantages that the processing efficiency and processing quality are greatly improved, gap structures processed on the workpieces are unified, the defective rate is reduced, the welding property of the workpiece is ensured, and the appearance effect of a weldment is favorably improved.
Description
Technical field
The present invention relates to a kind of blanking die, relate in particular to a kind of tubing piercing die tool.
Background technology
At present, the more employing tubing of the parts such as frame and structural bead and handrail of logical machine is made, consumptive material is few, lightweight, cost is low, between tube and tube, general employing is welded to connect fixing, therefore tube and tube need process breach in the place of passing through mutually, to increase the contact area between tube and tube, be convenient to welding processing, ensure bonding strength, improve aesthetic appearance degree, and for the welding between two pipes of non-perpendicular relation, generally need to be at weld pipe end sidewall processing one side breach, in prior art, for tube and tube mutually the processing of the place's of passing through one side breach conventionally adopt the method for manual oxygen cutting, not only time-consuming bothersome, be difficult to meet the requirement of producing in enormous quantities, and of poor quality, gap structure disunity, defect rate is high, cannot ensure welding performance and weldment appearance effect.
Therefore, for addressing the above problem, need a kind of tubing piercing die tool, pass through mutually the one side breach at place for processing tube and tube by the mode of stamping-out, to ensure working (machining) efficiency and quality.
Summary of the invention
In view of this, the object of this invention is to provide a kind of tubing piercing die tool, can realize the stamping-out processing that tube and tube passes through the one side breach at place mutually, compared with processing with traditional manual oxygen cutting, can greatly improve working (machining) efficiency and crudy, ensure that the gap structure processing on each workpiece is unified, reduction in the numbers of seconds, ensure workpiece welding performance, be beneficial to and improve weldment appearance effect.
Tubing piercing die tool of the present invention, comprise upper die and lower die, described patrix comprises that the holder of vertical setting and horizontal boom formula are fixed on the punch of described holder, and the cantilever end radial dimension that described punch protrudes from holder sidewall is not more than workpiece diameter and lacks partial contour in vertical direction projection and workpiece punching identical; Described counterdie at least comprises die, the cantilever end that the corresponding punch of described die protrudes from holder sidewall is provided with identical with it vertical slots, die end face is also provided with the level trough for supporting workpiece corresponding with described vertical slots, and described level trough is that arch groove and its width of rebate identical with workpiece external diameter is not less than vertical slots width of rebate.
Further, described punch protrudes from the cantilever end of holder sidewall and inner hole of workpiece coincide;
Further, described holder comprises installation portion for being installed on forcing press upper table and the fixed part for solid punch, described fixed part is vertical rectangular block architecture, punch is perpendicular to fixed part surface and to embed fixed part inner fixing, fixed part is provided with the embedded hole embedding for punch, described embedded hole and punch interference fits;
Further, described punch is by the removable fixed part that is fixed on holder of contiguous block, embedded hole is through hole, described contiguous block is located at a fixed part side of punch dorsad, a fixed part dorsad side of punch is can hold contiguous block to make it cascaded surface equal with fixed part outer wall and that contiguous block is positioned, and contiguous block and holder and punch are all connected by screw;
Further, described counterdie also comprises the block for fixed part and contiguous block Integral back are carried out to horizontal support to a side of punch, described block is by being respectively in two back-up blocks and two lag screws of fixed part both sides, described lag screw is anchored on die through block and respective support piece, and die and block and two back-up blocks surround the sliding chamber gliding for patrix;
Further, described counterdie also comprises die shoe, and die is fixed on die shoe end face, and baffle plate and back-up block are placed in die shoe end face, and the corresponding sliding chamber of die shoe is provided with the slug hole that cross section profile is not less than sliding chamber.
The invention has the beneficial effects as follows: tubing piercing die tool of the present invention, can realize the stamping-out processing that tube and tube passes through the one side breach at place mutually, compared with processing with traditional manual oxygen cutting, can greatly improve working (machining) efficiency and crudy, ensure that the gap structure processing on each workpiece is unified, reduction in the numbers of seconds, ensures workpiece welding performance, is beneficial to and improves weldment appearance effect.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is counterdie plane;
Fig. 3 is punch front view;
Fig. 4 is punch left view;
Fig. 5 is punch top view;
Fig. 6 is die front view;
Fig. 7 is die left view;
Fig. 8 is die top view.
Detailed description of the invention
Fig. 1 is structural representation of the present invention, Fig. 2 is counterdie plane, Fig. 3 is punch front view, Fig. 4 is punch left view, Fig. 5 is punch top view, Fig. 6 is die front view, Fig. 7 is die left view, Fig. 8 is die top view, as shown in the figure: the tubing piercing die tool of the present embodiment, comprise upper die and lower die, described patrix comprises that the holder 1 of vertical setting and horizontal boom formula are fixed on the punch 2 of described holder 1, the cantilever end radial dimension that described punch 2 protrudes from holder 1 sidewall is not more than workpiece diameter and lacks partial contour in vertical direction projection and workpiece punching identical, described counterdie at least comprises die 3, the cantilever end that the corresponding punch 2 of described die 3 protrudes from holder 1 sidewall is provided with identical with it vertical slots 31, die 3 end faces are also provided with the level trough 32 for supporting workpiece corresponding with described vertical slots 31, described level trough 32 is not less than vertical slots 31 width of rebate for arch groove and its width of rebate identical with workpiece external diameter, in the present embodiment, the cantilever end radial dimension that punch 2 protrudes from holder 1 sidewall is not more than the size that workpiece diameter refers to that the cantilever that protrudes from holder 1 sidewall perpendicular to punch 2 stretches out direction and is not more than workpiece diameter, add and man-hour workpiece is placed on to punch 2 and is butted on holder 1 axial location, then make workpiece descending with patrix, workpiece is gone out one side breach by workpiece after coming downwards to level trough 32 location, place under the shear action of punch 2 and die 3 vertical slots 31, can realize continuity processing, compared with processing with traditional manual oxygen cutting, can greatly improve working (machining) efficiency and crudy, ensure that the gap structure processing on each workpiece is unified, reduction in the numbers of seconds, ensure workpiece welding performance, be beneficial to and improve weldment appearance effect.
In the present embodiment, described punch 2 protrudes from the cantilever end of holder 1 sidewall and inner hole of workpiece coincide, and workpiece is placed on and can realizes workpiece behind punch 2 outsides and carry out radial location with respect to punch 2, improves workpiece and is placed on the stability after punch 2, ensure the reliable location to workpiece, avoid processing accident.
In the present embodiment, described holder 1 comprises installation portion 11 for being installed on forcing press upper table and the fixed part 12 for solid punch 2, described fixed part 12 is vertical rectangular block architecture, punch 2 is perpendicular to fixed part 12 surface and to embed fixed part 12 inner fixing, fixed part 12 is provided with the embedded hole embedding for punch 2, described embedded hole and punch 2 interference fits, tubing is generally tack structure, fixed part 12 is set to be contacted with larger area with fixed part 12 after can making workpiece be inserted in punch 2 perpendicular to the surperficial setting of fixed part 12 for vertical rectangular block architecture and punch 2, axial location to workpiece is reliable, punch 2 embeds and is fixed on fixed part 12 inside, rigidity is better, Stability Analysis of Structures.
In the present embodiment, described punch 2 is by the removable fixed part that is fixed on holder 1 12 of contiguous block 4, embedded hole is through hole, described contiguous block 4 is located at fixed part 12 side of punch 2 dorsad, a fixed part 12 dorsad side of punch 2 is can hold contiguous block 4 to make it cascaded surface equal with fixed part 12 outer walls and that contiguous block 4 is positioned, contiguous block 4 is all connected by screw with holder 1 and punch 2, contiguous block 4 is simple in structure, easy to make, and the reliable installation that has realized punch 2 fixes, be convenient to punch 2 dismounting.
In the present embodiment; described counterdie also comprises the block 5 for fixed part 12 and contiguous block 4 Integral backs are carried out to horizontal support to a side of punch 2; described block 5 is by being respectively in two back-up blocks 6 and two lag screws of fixed part 12 both sides; described lag screw is anchored on die 3 through block 5 and respective support piece 6; die 3 surrounds with block 5 and two back-up blocks 6 the sliding chamber 8 gliding for patrix, by block 5, fixed part 12 and contiguous block 4 Integral backs is carried out to horizontal support to a side of punch 2 and can ensure that patrix is stable.
In the present embodiment; described counterdie also comprises die shoe 7; die 3 is fixed on die shoe 7 end faces; baffle plate and back-up block 6 are placed in die shoe 7 end faces; the corresponding sliding chamber 8 of die shoe 7 is provided with the slug hole 71 that cross section profile is not less than sliding chamber 8; lower die structure good integrity, can be mounted on forcing press lower table by die shoe 7, rational in infrastructure.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (5)
1. a tubing piercing die tool, it is characterized in that: comprise upper die and lower die, described patrix comprises that the holder of vertical setting and horizontal boom formula are fixed on the punch of described holder, and the cantilever end radial dimension that described punch protrudes from holder sidewall is not more than workpiece diameter and lacks partial contour in vertical direction projection and workpiece punching identical; Described counterdie at least comprises die, the cantilever end that the corresponding punch of described die protrudes from holder sidewall is provided with identical with it vertical slots, die end face is also provided with the level trough for supporting workpiece corresponding with described vertical slots, and described level trough is that arch groove and its width of rebate identical with workpiece external diameter is not less than vertical slots width of rebate; Described holder comprises installation portion for being installed on forcing press upper table and the fixed part for solid punch, described fixed part is vertical rectangular block architecture, punch is perpendicular to fixed part surface and to embed fixed part inner fixing, fixed part is provided with the embedded hole, described embedded hole and the punch interference fits that embed for punch.
2. tubing piercing die tool according to claim 1, is characterized in that: cantilever end and inner hole of workpiece that described punch protrudes from holder sidewall coincide.
3. tubing piercing die tool according to claim 2, it is characterized in that: described punch is by the removable fixed part that is fixed on holder of contiguous block, embedded hole is through hole, described contiguous block is located at a fixed part side of punch dorsad, a fixed part dorsad side of punch is can hold contiguous block to make it cascaded surface equal with fixed part outer wall and that contiguous block is positioned, and contiguous block and holder and punch are all connected by screw.
4. tubing piercing die tool according to claim 3; it is characterized in that: described counterdie also comprises the block for fixed part and contiguous block Integral back are carried out to horizontal support to a side of punch; described block is fixed on die by two back-up blocks and two lag screws that are respectively in fixed part both sides; described lag screw is anchored on die through block and respective support piece, and die and block and two back-up blocks surround the sliding chamber gliding for patrix.
5. tubing piercing die tool according to claim 4; it is characterized in that: described counterdie also comprises die shoe; die is fixed on die shoe end face, and baffle plate and back-up block are placed in die shoe end face, and the corresponding sliding chamber of die shoe is provided with the slug hole that cross section profile is not less than sliding chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482794.0A CN102974680B (en) | 2012-11-23 | 2012-11-23 | Pipe piercing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482794.0A CN102974680B (en) | 2012-11-23 | 2012-11-23 | Pipe piercing die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102974680A CN102974680A (en) | 2013-03-20 |
| CN102974680B true CN102974680B (en) | 2014-11-26 |
Family
ID=47849190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210482794.0A Expired - Fee Related CN102974680B (en) | 2012-11-23 | 2012-11-23 | Pipe piercing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102974680B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639264A (en) * | 2013-11-26 | 2014-03-19 | 长沙仙达实业有限公司 | Piercing die and punching-cutting machining method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005015642A1 (en) * | 2005-04-05 | 2006-10-12 | Sedus Stoll Ag | Notching process for end of tube involves piercing tube wall with pre-cutting punch from inside along unsupported part sector of outline |
| CN201471533U (en) * | 2009-08-20 | 2010-05-19 | 江苏合丰机械制造有限公司 | Chipless pipe cutting device |
| CN202290949U (en) * | 2011-09-30 | 2012-07-04 | 重庆建设·雅马哈摩托车有限公司 | Mould for forming and processing end head of pipe fitting of carriage of motorcycle |
| CN102615172A (en) * | 2011-01-28 | 2012-08-01 | 旭东机械(昆山)有限公司 | Punching piercing mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04178226A (en) * | 1990-11-08 | 1992-06-25 | Yuko Nomura | Device for piercing tube |
-
2012
- 2012-11-23 CN CN201210482794.0A patent/CN102974680B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005015642A1 (en) * | 2005-04-05 | 2006-10-12 | Sedus Stoll Ag | Notching process for end of tube involves piercing tube wall with pre-cutting punch from inside along unsupported part sector of outline |
| CN201471533U (en) * | 2009-08-20 | 2010-05-19 | 江苏合丰机械制造有限公司 | Chipless pipe cutting device |
| CN102615172A (en) * | 2011-01-28 | 2012-08-01 | 旭东机械(昆山)有限公司 | Punching piercing mechanism |
| CN202290949U (en) * | 2011-09-30 | 2012-07-04 | 重庆建设·雅马哈摩托车有限公司 | Mould for forming and processing end head of pipe fitting of carriage of motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102974680A (en) | 2013-03-20 |
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