CN105522024A - Hydraulic bending machine - Google Patents
Hydraulic bending machine Download PDFInfo
- Publication number
- CN105522024A CN105522024A CN201610061844.6A CN201610061844A CN105522024A CN 105522024 A CN105522024 A CN 105522024A CN 201610061844 A CN201610061844 A CN 201610061844A CN 105522024 A CN105522024 A CN 105522024A
- Authority
- CN
- China
- Prior art keywords
- guide rails
- frame
- work top
- oil cylinder
- saddle
- Prior art date
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
- B21D7/085—Bending rods, profiles, or tubes by passing between rollers or through a curved die by passing through a curved die
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a hydraulic bending machine and belongs to the field of pipe machining equipment. The hydraulic bending machine comprises a machine frame. A working table forwards stretches out from the lower portion of the machine frame. A lower die is arranged on the working table. A cantilever beam arm stretching out forwards is arranged at the top of the machine frame. A pair of guide rails is arranged on the portion, between the cantilever beam arm and the working table, of the machine frame, and guiding notches of the two vertically-arranged guide rails are oppositely arranged in the left-right direction. A bending oil cylinder is fixed to the cantilever beam arm. A piston rod of the bending oil cylinder is connected with a big drag plate after downwards stretching out of the cantilever beam arm. An upper die is arranged at the bottom of the big drag plate. The two sides of the big drag plate are movably inserted into the guiding notches of the two guide rails respectively. The big drag plate can move up and down in the two guide rails under the driving action of the bending oil cylinder, so that the upper die and the lower die are assembled or separated. The hydraulic bending machine has the advantages that the structure is simple, and the production cost is low, and gaps between the guide rails and the big drag plate can be eliminated by adjusting the positions of the guide rails, so that the pipe bending quality is improved.
Description
Technical field
The present invention relates to pipe fitting process equipment field, particularly relate to a kind of hydraulic press brake.
Background technology
The function of bullodozer mainly carries out brake forming processing to pipe fitting, the bullodozer that current industry is commonly used comprises: frame, frame is provided with working plate, working plate is installed with counterdie, four angles of working plate are all vertically provided with column, the top of four root posts is installed with one piece of top board, one piece of portable plate is also provided with between top board and working plate, portable plate is movably set on four root posts, patrix is installed with bottom portable plate, top board is installed with a press-bending oil cylinder, be connected with portable plate after the piston rod of press-bending oil cylinder is passed down through top board, the piston rod of press-bending oil cylinder moves up and down and portable plate can be driven to slide up and down along four root posts.During work, will treat that press-bending pipe fitting is placed in the die cavity groove of counterdie, then start press-bending oil cylinder, the piston rod of press-bending oil cylinder drives portable plate to move down along column, until patrix and the mutual matched moulds of counterdie, by pipe fitting bent into shape.
There is following shortcoming in the bullodozer of said structure: one, the working space of bent into shape is surrounded by top board, working plate and four root posts, and working space too limits to, and often causes to open span from too small and cannot place pipe fitting between upper and lower mould.Correspondingly must increase the length of column like this, what make upper and lower mould opens span from strengthening thus meeting press-bending demand, and this adds manufacturing cost undoubtedly.In addition, some pipe fitting needs experience bent into shape repeatedly, and when carrying out follow-up press bending process, the previous kink branch of pipe fitting is subject to the interference of four root posts and possibly cannot ajusts; Two, patrix is followed portable plate and is moved together, and being slidably matched of portable plate and four root posts must precision machining, if coordinate too tight, resistance to sliding becomes large, and can cause bends slows, efficiency reduces, the energy consumption of press-bending oil cylinder becomes the problem such as large; If coordinate too pine, easily cause again upper and lower mould not on a median plane, thus make pipe fitting crimp, affect product quality.
Summary of the invention
The technical problem of solution required for the present invention is: provide the hydraulic press brake that a kind of structure is simple, working space is large, processing cost is low.
For solving the problem, the technical solution used in the present invention is: hydraulic press brake, comprise: frame, the bottom of frame is provided with the work top extended forward, work top is provided with counterdie, frame top is provided with the outrigger arm stretched out forward, outrigger arm to be positioned at above work top and to be oppositely arranged up and down with work top, frame between outrigger arm and work top is provided with pair of guide rails, article two, guide rail is vertically arranged at frame both sides respectively, and is oppositely arranged about the guiding slot port of two guide rails; Outrigger arm is fixed with press-bending oil cylinder; be connected with saddle after the piston rod of press-bending oil cylinder stretches out outrigger arm downwards; the bottom of saddle is provided with patrix; the both sides of saddle are movable respectively to be embedded in the gathering sill of two guide rails; under the driving effect of press-bending oil cylinder; saddle can move up and down in two guide rails, thus makes the mutual matched moulds of patrix and counterdie or be separated.
Further, aforesaid hydraulic press brake, wherein: the concrete syndeton of described two guide rails and frame is: the both sides of the frame between outrigger arm and work top are provided with mounting blocks with extending internally respectively, article two, mounting blocks is respectively arranged with some threaded mounting holes, two guide rails are correspondingly provided with the installation through hole that some front and back are through, and the aperture of aperture slightly larger than threaded mounting hole of through hole is installed, the fastening bolt matched with threaded mounting hole is provided with in installation through hole, by fastening bolt is tightened in threaded mounting hole can be fixed on mounting blocks by guide rail through installing through hole, frame outside two guide rails is respectively arranged with some adjustment screwed holes, and regulate in screwed hole and be provided with the adjusting bolt matched, tightening adjusting bolt can lean in saddle both sides respectively by two guide rails.
Further, aforesaid hydraulic press brake, wherein: described two guide rails are V-type rail.
Further, aforesaid hydraulic press brake, wherein: the concrete syndeton of described work top and counterdie is: on work top, be provided with working plate, working plate is secured by bolts on work top, working plate is provided with T-slot, by the T-shaped bolt be arranged in T-slot, counterdie is fixed on working plate.
Further, aforesaid hydraulic press brake, wherein: the stop nut being provided with the range in order to limited piston bar retraction at the cylinder body top of press-bending oil cylinder.
The invention has the beneficial effects as follows: structure is simple, require relatively low for accurately machined, effectively reduce production cost, also by regulating guide rail position to eliminate the gap between guide rail and saddle, can not only bending quality be improved, can also service life of extension device.
Accompanying drawing explanation
Fig. 1 is the structural representation of hydraulic press brake of the present invention.
Fig. 2 is the structural representation of the right apparent direction of Fig. 1.
Fig. 3 is M-M sectional structure schematic diagram in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, technical solutions according to the invention are described in further detail.
As shown in Figure 1 and Figure 2, hydraulic press brake, comprising: frame 1, and the bottom of frame 1 is provided with the smooth work top 11 extended forward, and work top 11 is provided with counterdie 6.In the present embodiment, described work top 11 with the concrete syndeton of counterdie 6 is: on work top 11, be provided with working plate 2, working plate 2 is fastened by bolts and is installed on work top 11, working plate 2 is provided with T-slot 21, be arranged on working plate 2 by the T-shaped bolt 61 be arranged in T-slot 21 by fastening for counterdie 6, adopt above-mentioned syndeton between counterdie 6 and work top 11, can need to adjust the position of counterdie 2 along T-slot about 21 or change the counterdie 2 of dimension according to reality processing easily.The outrigger arm 12 stretched out forward is provided with at frame 1 top, outrigger arm 12 is positioned at the top of work top 11 and is oppositely arranged with work top about 11, frame between outrigger arm 12 and work top 11 is provided with pair of guide rails 13, article two, guide rail 13 is vertically arranged at frame 1 both sides respectively, and the guiding slot port of two guide rails 13 is oppositely arranged.In the present embodiment, described two guide rails 13 are V-type rail.Press-bending oil cylinder 3 is fixed with at the upper surface of outrigger arm 12; the piston rod 31 of press-bending oil cylinder 3 stretches out outrigger arm 12 downwards and is connected with saddle 4 afterwards; the bottom of saddle 4 is provided with patrix 5; the both sides of saddle 4 are movable respectively to be embedded in the V-type gathering sill of two guide rails 13; under the driving effect of press-bending oil cylinder 3; saddle 4 can move up and down in two guide rails 13, thus makes patrix 5 and the mutual matched moulds of counterdie 6 or be separated.As Fig. 1, Fig. 2, shown in Fig. 3, in the present embodiment, the concrete syndeton of described two guide rails 13 and frame 1 is: the both sides of the frame 1 between outrigger arm 12 and work top 11 are provided with mounting blocks 14 with extending internally respectively, article two, mounting blocks 14 is respectively arranged with some threaded mounting holes 141, two guide rails 13 are correspondingly provided with the installation through hole 131 that some front and back are through, and the aperture of aperture slightly larger than threaded mounting hole 141 of through hole 131 is installed, the fastening bolt 132 matched with threaded mounting hole 141 is provided with in installation through hole 131, by guide rail 13 just can be fixed on mounting blocks 14 through being tightened in threaded mounting hole 141 after installation through hole 131 by fastening bolt 132, frame 1 outside two guide rails 13 is respectively arranged with some adjustment screwed holes 15, regulate in screwed hole 15 and be provided with the adjusting bolt 151 matched, tighten adjusting bolt 151 two guide rails 13 to be leaned respectively in saddle 4 both sides, thus eliminate the gap between saddle 4 and guide rail 13 as much as possible.In the present embodiment, the cylinder body top of press-bending oil cylinder 3 is provided with stop nut 32, stop nut 32 can limited piston bar 31 toward the maximum formation of retraction, thus saddle 4 can be avoided upwards to lift too high and damage frame.
The using method of hydraulic press brake of the present invention is as follows: die cavity groove tubing to be bent being put into counterdie 6, start press-bending oil cylinder 3, the piston rod 31 pushing tow saddle 4 downwards of press-bending oil cylinder 3, saddle 4 to move down and close to counterdie 6 gradually with patrix 5 along two V-type rails 13, until by patrix 5 and counterdie 6 matched moulds, thus tubing is bent.In addition, when the surface of saddle 4 or two V-type rails 13 be worn, cause the gap between saddle 4 and two V-type rails 13 to increase time, compensate by regulating fastening bolt 132 and adjusting bolt 151, to eliminate the gap between saddle 4 and V-type rail 13, ensure saddle 4 and V-type rail 13 close contact, improve bending quality.
Hydraulic press brake of the present invention has the following advantages: one, the structure of saddle and V-type rail is simple, and requirement on machining accuracy is relatively low, effectively can reduce production cost and the maintenance cost of machinery itself; If when there are wearing and tearing after a long time use in two saddles or V-type rail, can by the adjustment of V-type rail on the four direction of front, rear, left and right, eliminate the gap between saddle and V-type rail, ensure saddle and V-type rail close contact, extend the service life of equipment; Three, V-type rail instead of four original root posts, increases working space, can meet press-bending demand.
Claims (5)
1. hydraulic press brake, comprise: frame, it is characterized in that: the bottom of frame is provided with the work top extended forward, work top is provided with counterdie, frame top is provided with the outrigger arm stretched out forward, and outrigger arm to be positioned at above work top and to be oppositely arranged up and down with work top, and the frame between outrigger arm and work top is provided with pair of guide rails, article two, guide rail is vertically arranged at frame both sides respectively, and is oppositely arranged about the guiding slot port of two guide rails; Outrigger arm is fixed with press-bending oil cylinder; be connected with saddle after the piston rod of press-bending oil cylinder stretches out outrigger arm downwards; the bottom of saddle is provided with patrix; the both sides of saddle are movable respectively to be embedded in the gathering sill of two guide rails; under the driving effect of press-bending oil cylinder; saddle can move up and down in two guide rails, thus makes the mutual matched moulds of patrix and counterdie or be separated.
2. hydraulic press brake according to claim 1, it is characterized in that: the concrete syndeton of described two guide rails and frame is: the both sides of the frame between outrigger arm and work top are provided with mounting blocks with extending internally respectively, article two, mounting blocks is respectively arranged with some threaded mounting holes, two guide rails are correspondingly provided with the installation through hole that some front and back are through, and the aperture of aperture slightly larger than threaded mounting hole of through hole is installed, the fastening bolt matched with threaded mounting hole is provided with in installation through hole, by fastening bolt is tightened in threaded mounting hole can be fixed on mounting blocks by guide rail through installing through hole, frame outside two guide rails is respectively arranged with some adjustment screwed holes, and regulate in screwed hole and be provided with the adjusting bolt matched, tightening adjusting bolt can lean in saddle both sides respectively by two guide rails.
3. hydraulic press brake according to claim 1 and 2, is characterized in that: described two guide rails are V-type rail.
4. hydraulic press brake according to claim 1 and 2, it is characterized in that: the concrete syndeton of described work top and counterdie is: on work top, be provided with working plate, working plate is secured by bolts on work top, working plate is provided with T-slot, by the T-shaped bolt be arranged in T-slot, counterdie is fixed on working plate.
5. hydraulic press brake according to claim 1 and 2, is characterized in that: the stop nut being provided with the range in order to limited piston bar retraction at the cylinder body top of press-bending oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061844.6A CN105522024A (en) | 2016-01-29 | 2016-01-29 | Hydraulic bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061844.6A CN105522024A (en) | 2016-01-29 | 2016-01-29 | Hydraulic bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105522024A true CN105522024A (en) | 2016-04-27 |
Family
ID=55764743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610061844.6A Pending CN105522024A (en) | 2016-01-29 | 2016-01-29 | Hydraulic bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105522024A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580600A (en) * | 2018-04-28 | 2018-09-28 | 镇江市高等专科学校 | A kind of hot SAPMAC method bullodozer of metallic plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562695A (en) * | 2004-04-15 | 2005-01-12 | 武汉理工大学 | Push-in type clamping head bending die device in middle frame of cold frame bender |
| WO2008148241A1 (en) * | 2007-06-06 | 2008-12-11 | Yunfeng Jiang | A press-bending machine |
| EP2036711A1 (en) * | 2007-09-12 | 2009-03-18 | Trumpf Maschinen Austria GmbH & CO. KG. | Drive device for a press brake |
| CN202029411U (en) * | 2011-02-18 | 2011-11-09 | 合肥合锻机床股份有限公司 | Hydraulic single column press |
| CN202212444U (en) * | 2011-07-27 | 2012-05-09 | 上海宝冶集团有限公司 | Hydraulic cold bending device for steel pipe and profile steel |
| CN202655491U (en) * | 2012-05-19 | 2013-01-09 | 昌利锻造有限公司 | Positioning clamp for fixing mold |
| CN205463777U (en) * | 2016-01-29 | 2016-08-17 | 张家港兴宇机械制造有限公司 | Hydraulic pressure bending press |
-
2016
- 2016-01-29 CN CN201610061844.6A patent/CN105522024A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562695A (en) * | 2004-04-15 | 2005-01-12 | 武汉理工大学 | Push-in type clamping head bending die device in middle frame of cold frame bender |
| WO2008148241A1 (en) * | 2007-06-06 | 2008-12-11 | Yunfeng Jiang | A press-bending machine |
| EP2036711A1 (en) * | 2007-09-12 | 2009-03-18 | Trumpf Maschinen Austria GmbH & CO. KG. | Drive device for a press brake |
| CN202029411U (en) * | 2011-02-18 | 2011-11-09 | 合肥合锻机床股份有限公司 | Hydraulic single column press |
| CN202212444U (en) * | 2011-07-27 | 2012-05-09 | 上海宝冶集团有限公司 | Hydraulic cold bending device for steel pipe and profile steel |
| CN202655491U (en) * | 2012-05-19 | 2013-01-09 | 昌利锻造有限公司 | Positioning clamp for fixing mold |
| CN205463777U (en) * | 2016-01-29 | 2016-08-17 | 张家港兴宇机械制造有限公司 | Hydraulic pressure bending press |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580600A (en) * | 2018-04-28 | 2018-09-28 | 镇江市高等专科学校 | A kind of hot SAPMAC method bullodozer of metallic plate |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160427 |
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| RJ01 | Rejection of invention patent application after publication |