CN202638993U - Elbow forming device - Google Patents
Elbow forming device Download PDFInfo
- Publication number
- CN202638993U CN202638993U CN 201220334497 CN201220334497U CN202638993U CN 202638993 U CN202638993 U CN 202638993U CN 201220334497 CN201220334497 CN 201220334497 CN 201220334497 U CN201220334497 U CN 201220334497U CN 202638993 U CN202638993 U CN 202638993U
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- CN
- China
- Prior art keywords
- patrix
- counterdie
- forming device
- installing rack
- die
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model relates to an elbow forming device. An upper die installing frame, a lower die installing frame and an upper pressure device are arranged on a rack. An upper die is arranged in the upper die installing frame, and a lower die is arranged in the lower die installing frame. Both the upper die and the lower die are provided with two fanlike die blocks. Central angles of the two fanlike die blocks of the upper die are smaller than 45 degrees. The bottom face of the upper die and the top face of the lower die are respectively provided with a semicircular tube seat. Two symmetrical notches are arranged on a substrate of the lower die installing frame. Die blocks are arranged in the notches. The elbow forming device can be used to manufacture bending pipe blanks with high-accuracy sizes and strip material bending making devices with rather small length. Drilling of inner holes and processing of chip removing are not needed to be carried out on processed thick-wall bending pipes. Amount of cutting of processing of excircle blanks is little, processing time can be greatly reduced, manufacturing cost is reduced, and material utilization rate is improved. The elbow forming device is suitable for bending forming of various, especially thick-wall, round pipes.
Description
Technical field
The utility model relates to a kind of metal stamping formed device, specifically a kind of bend forming device.
Background technology
The preparation method of thick-walled metal bend pipe commonly used is that pipe is placed in the lower mold holder, and carries out punching press by pressing mold, realizes the bending forming of pipe.But this pressing mold punch process mode when counterdie is placed pipe, is difficult for pipe is accurately fitted with the tube seat of counterdie, when the pressing mold punching press, easily makes the outside of pipe receive damage.Simultaneously, because general pressing mold punch process mode is 90 ° to the compacting angle minimum of pipe, can not be pressed into acute angle, the range of application of thick-walled metal bend pipe has been caused very large restriction.
The utility model content
The purpose of this utility model just provides a kind of bend forming device, to solve prior art easy damaged pipe and the limited problem of compacting angle.
The utility model is achieved in that a kind of bend forming device, in frame patrix installing rack, counterdie installing rack and patrix pressue device is housed; In described patrix installing rack, patrix is housed, in described counterdie installing rack, counterdie is housed; Described patrix and described counterdie are two fanlike die blocks, and the central angle of two fanlike die blocks of described patrix has semicircle tube seat less than 45 ° in the bottom surface of described patrix and the end face of described counterdie; Have the notch of two symmetries at the pedestal of described counterdie installing rack, in described notch, be placed with the mould piece.
Two ends at two fanlike die block arc-shaped edges of described patrix have two jack holes, described patrix is connected in the described patrix installing rack by bearing pin, have two arcs displacement cylindrical voids and two horizontal linears displacement cylindrical voids at described patrix installing rack, be fixed with respectively the spring that an end is connected with bearing pin in be connected with the linear outer end of cylindrical void of described arc displacement cylindrical void.
Upper edge at two fanlike die blocks of described patrix has bar-shaped trough, two described fanlike die blocks have respectively oral area upwards near the home position place and with the fan groove of described fanlike die block concentric, be provided with horizontal press strip at described fan groove, be connected to depression bar at described press strip.
Be provided with the pressing mold installing plate in described patrix upper end, be provided with stage clip and upper guide post in described pressing mold installing plate lower end, described pressing mold installing plate is arranged on the pressure head lower end of press.
Be provided with linear gear rack at described counterdie installing rack, be provided with the arc rack that meshes around a central point revolution with described linear gear rack on the arc limit of two fanlike die blocks of described counterdie.
Described mould piece is inverted right-angled trapezium piece.
The utility model because patrix and counterdie involutory positions pipe, was placed in the tube seat of counterdie pipe before this accurately, can not produce phenomenon mobile and that damage.When operation bending cooperated by upper die and lower die finishes, and at the pedestal of counterdie installing rack two notches that are placed with the mould piece is set.Because the mould piece is inverted right-angled trapezium piece, thus below counterdie remaining having living space, also can continue to move down until the bottom surface of counterdie and the applying of mould piece behind the bottom surface that makes counterdie in the bending operation and the base level.At this moment, the angle of two bottom surfaces of counterdie is the obtuse angle angle of mould piece joint, has namely strengthened bending degree.When the angle of mould piece and upper die and lower die coupling, can reach the minimum angles after the pipe bending, be 2 times of central angle of two patrix fanlike die blocks.Because the central angle of patrix fanlike die block is set to less than 45 °, can realize pipe is pressed into acute angle.Simultaneously, replaceable different mould piece realizes processing the pipe of different bending angles.
The utility model is simple in structure, low cost of manufacture, long service life; Can high bend pipe blank and the minimum bending apparatus processed of bar shaped material length dimension of manufactured size precision.Do not need the thick-wall bend after the processing is carried out boring and the deburring of endoporus, cylindrical blank processing cutting output is few, can significantly shorten process time, reduces cost of manufacture, improves stock utilization.The utility model be suitable for to all kinds of pipes particularly thick-walled tube bend moulding.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the front view of patrix installing rack.
Schematic diagram when Fig. 3 is patrix bending degree maximum.
Among the figure: 1, patrix installing rack, 2, the counterdie installing rack, 3, patrix, 4, counterdie, 5, tube seat, 6, the mould piece, 7, bearing pin, 8, bar-shaped trough, 9, fan groove, 10, press strip, 11, depression bar, 12, the pressing mold installing plate, 13, linear gear rack, 14, arc rack, 15, pedestal, 16, lower supporting plate, 17, lower supporting rod, 18, guide post, 19, arc displacement cylindrical void, 20, linear displacement cylindrical void, 21, spring, 22, stage clip, 23, upper guide post, 24, course setter.
The specific embodiment
As shown in Figure 1, in frame patrix 3 installing racks 1, counterdie installing rack 2 and patrix pressue device are housed.Patrix 3 is housed in patrix installing rack 1, has two jack holes at the two ends of two fanlike die block arc-shaped edges of patrix 3, patrix 3 is hinged in the patrix installing rack 1 by bearing pin 7.Upper edge at two fanlike die blocks of patrix 3 has bar-shaped trough 8, two fanlike die blocks have respectively oral area upwards near the home position place and with the fan groove 9 of fanlike die block concentric, be provided with horizontal press strip 10 at fan groove 9, be connected to depression bar 11 at press strip 10.Be provided with pressing mold installing plate 12 in patrix 3 upper ends, pressing mold installing plate 12 is arranged, be provided with stage clip 22 and upper guide post 23 in pressing mold installing plate 12 lower ends, pressing mold installing plate 12 is arranged on the pressure head lower end of press.
As shown in Figure 2, have two arc displacement cylindrical voids 19 and two horizontal linear displacement cylindrical voids 20 at patrix installing rack 1, be fixed with respectively the spring that an end is connected with bearing pin 7 in be connected with the linear outer end of cylindrical void 20 of arc displacement cylindrical void 19, for after bending EO, by bearing pin 7 two fanlike die blocks of patrix 3 being returned to initial position.
Counterdie 4 is housed in counterdie installing rack 2.Be provided with linear gear rack 13 at counterdie installing rack 2, be provided with the arc rack 14 that meshes around a central point revolution with linear gear rack 13 on the arc limit of two fanlike die blocks of counterdie 4.Be provided with lower supporting plate 16 below the pedestal 15 of counterdie installing rack 2, the screw thread by its underpart on lower supporting plate 16 centres is fixed with lower supporting rod 17.Lower supporting rod 17 is slidably through pedestal 15 and outstanding to the top of pedestal 15.Lower supporting plate 16 is rectangular slabs, and 18, four guide posts 18 of fixed guide pole can distinguish slidably through pedestal 15 respectively in its four bights, and gives prominence to pedestal 15 tops, again through patrix installing rack 1 and be fixed on four bights of pressing mold installing plate 12.
Wherein, equal two fanlike die blocks of patrix 3 and counterdie, wherein, the central angle of two fanlike die blocks of patrix 3 is less than 45 degree, and the maximum bending degree of pipe is that central angle by two fanlike die blocks of patrix 3 decides as shown in Figure 3.Have semicircle tube seat 5 in the bottom surface of patrix 3 and the end face of counterdie 4.Pedestal 15 below the counterdie 4 of counterdie installing rack 2 has the notch of two symmetries, is placed with mould piece 6 in notch.Because mould piece 6 is inverted right-angled trapezium piece, thus below counterdie 4 remaining having living space.Also can continue to move down until fit with mould piece 6 in the bottom surface of counterdie 4 after the bottom surface that makes counterdie 4 in bending operation and pedestal 15 levels, bend EO, namely decide bending angle at this moment by mould piece 6.Simultaneously, replaceable different mould piece 6 satisfies the needs of different bending angles.
End on the extended line of the tube seat 8 of a pair of counterdie is respectively equipped with two holes, this hole is used for the contacted course setter 24 of end face of insertion and pipe, processing screw thread and mesh with this and two course setter 24 threaded portions in two holes, is that two course setters 24 can be along the longitudinal movement respectively when twisting.An end face of two course setters 24 is plane.
In addition, in bend forming device, also can equip the side pressue device to being pressurizeed by the side of the pipe of moulding, adopt this structure, can form in the both sides of the mid portion of pipe the plane for wrench operated.
The course of work of the present utility model is: at first, short pipe is put into the tube seat 5 of two counterdies 4, and as required the size of pipe bending is placed corresponding mould piece 6 in notch.
Then, start press apparatus, pressure head drives patrix installing rack 1 by pressing mold installing plate 12 and moves down.When the patrix 3 in the patrix installing rack 1 downwards be installed in counterdie and counterdie 4 in the mould bases 2 is installed is fitted after, pipe namely is stuck in the full circle tube seat 5 that patrix 3 and counterdie 4 be combined to form, because patrix 3 is involutory with counterdie 4, pipe is positioned, pipe is placed in the tube seat 5 of counterdie 4 accurately, can produce phenomenon mobile and damage.Then, be screwed into two course setters 24, the plane end face that makes two course setters 24 and pipe both ends of the surface are fixed two ends, the pipe left and right sides in this way to contacting.Simultaneously, pressing mold installing plate 12 moves downward by guide post 18 drive lower supporting plates 16, pillar.
Secondly, depression bar 11 drives extension spring 13 and bearing pin 7 downward to pressing down, and forces two patrixes 3 to drive two counterdies 4 and is bent upwards, and as shown in Figure 3, crooked patrix 3 drives two counterdies 4 with the upwards bending of pipe that is stuck in wherein, carries out the bending circular pipe operation.
Owing to having the notch that is placed with mould piece 6 of two symmetries at the pedestal 15 of counterdie installing rack 2, so when the bending operation reaches capacity, the lower side of counterdie 4 and mould piece 6 are fitted, because the central angle of the fanlike die block of patrix 3 all less than 45 °, can make the bending degree of patrix 3 reach the acute angle corresponding with mould piece 6 this moment.As shown in Figure 3, pipe bends at utmost, and namely the angle after the bending is 2 times of central angle of two patrix 3 fanlike die blocks.In the bending circular pipe operating process, the vertical mid portion of pipe that is fitted on the counterdie 4 is compressed, is fitted in the vertical mid portion of patrix 3 locational pipes and is stretched, so can form the bending pipe of predetermined angular.
At last, press apparatus band dynamic head and depression bar 11 promote return, and the press strip 10 on the depression bar 11 drives patrix 3 and moves upward, and patrix 3 is by the return of bearing pin 7 at the mobile realization of mobile cylindrical void patrix 3.Pressure head drives pressing mold installing plate 12 and moves upward, and this pressing mold installing plate 12 moves upward by guide post 18 drive lower supporting plates 16, pillar, drives the flat original state of counterdie 4 extensive rehydrations.Simultaneously, the spring 21 of four displacement bar outer end of hole drives patrix 3 and recovers horizontal original state, takes out the pipe after bending, and the bending operation of thick-walled tube namely comes to an end.
The utility model can high bend pipe blank and the minimum bending apparatus processed of bar shaped material length dimension of manufactured size precision, such as bending Pigeonhole type hose joint, copper joint, and stainless joint.
Claims (6)
1. a bend forming device is characterized in that, in frame patrix installing rack (1), counterdie installing rack (2) and patrix pressue device is housed; Patrix (3) is housed in described patrix installing rack (1), counterdie (4) is housed in described counterdie installing rack (2); Described patrix (3) and described counterdie (4) are two fanlike die blocks, and the central angle of two fanlike die blocks of described patrix (3) has semicircle tube seat (5) less than 45 ° in the bottom surface of described patrix (3) and the end face of described counterdie (4); Have the notch of two symmetries at the pedestal (15) of described counterdie installing rack (2), in described notch, be placed with mould piece (6).
2. bend forming device according to claim 1, it is characterized in that, two ends at two fanlike die block arc-shaped edges of described patrix (3) have two jack holes, described patrix (3) is connected in the described patrix installing rack (1) by bearing pin (7), have two arcs displacement cylindrical voids (19) and two horizontal linears displacement cylindrical voids (20) at described patrix installing rack (1), be fixed with respectively the spring that an end is connected with bearing pin (7) in described arc be connected with the linear outer end of cylindrical void (20) of cylindrical void (19) that is shifted.
3. bend forming device according to claim 2, it is characterized in that, upper edge at (3) two fanlike die blocks of described patrix has bar-shaped trough (8), two described fanlike die blocks have respectively oral area upwards near the home position place and with the fan groove (9) of described fanlike die block concentric, be provided with horizontal press strip (10) at described fan groove (9), be connected to depression bar (11) at described press strip (10).
4. according to claim 1,2 or 3 described bend forming devices, it is characterized in that, be provided with pressing mold installing plate (12) in described patrix (3) upper end, be provided with stage clip 22 and upper guide post 23 in described pressing mold installing plate (12) lower end, described pressing mold installing plate (12) is arranged on the pressure head lower end of press.
5. bend forming device according to claim 1, it is characterized in that, be provided with linear gear rack (13) at described counterdie installing rack (2), be provided with the arc rack (14) that meshes around a central point revolution with described linear gear rack (13) on the arc limit of two fanlike die blocks of described counterdie (4).
6. bend forming device according to claim 1 is characterized in that, described mould piece (6) is inverted right-angled trapezium piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334497 CN202638993U (en) | 2012-07-12 | 2012-07-12 | Elbow forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334497 CN202638993U (en) | 2012-07-12 | 2012-07-12 | Elbow forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202638993U true CN202638993U (en) | 2013-01-02 |
Family
ID=47408171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220334497 Expired - Fee Related CN202638993U (en) | 2012-07-12 | 2012-07-12 | Elbow forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202638993U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275403A (en) * | 2014-09-29 | 2015-01-14 | 南通福乐达汽车配件有限公司 | Pipe fitting bending tool |
| CN109530500A (en) * | 2017-09-22 | 2019-03-29 | 世光高新技术企业 | Elbow and manufacture method of elbow |
| CN110405023A (en) * | 2019-08-21 | 2019-11-05 | 青岛越洋工程咨询有限公司 | A kind of pipeline heat treatment process |
-
2012
- 2012-07-12 CN CN 201220334497 patent/CN202638993U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275403A (en) * | 2014-09-29 | 2015-01-14 | 南通福乐达汽车配件有限公司 | Pipe fitting bending tool |
| CN109530500A (en) * | 2017-09-22 | 2019-03-29 | 世光高新技术企业 | Elbow and manufacture method of elbow |
| CN110405023A (en) * | 2019-08-21 | 2019-11-05 | 青岛越洋工程咨询有限公司 | A kind of pipeline heat treatment process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150712 |
|
| EXPY | Termination of patent right or utility model |