CN200981083Y - Metal bend drawing machine - Google Patents
Metal bend drawing machine Download PDFInfo
- Publication number
- CN200981083Y CN200981083Y CN 200620153500 CN200620153500U CN200981083Y CN 200981083 Y CN200981083 Y CN 200981083Y CN 200620153500 CN200620153500 CN 200620153500 CN 200620153500 U CN200620153500 U CN 200620153500U CN 200981083 Y CN200981083 Y CN 200981083Y
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- drawing machine
- hydraulic jack
- drawhead
- metal bends
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Abstract
The utility model relates to a metal bend drawing machine, comprising a base, a core pole and a core rod arranged at the front end of the core pole and the core rod and the core pole are permanently connected into one integral one, further comprising a hydraulic cylinder and a draw rod head, wherein the hydraulic cylinder is fixed on the base, the draw rod head is fixed on a piston rod of the hydraulic cylinder and the working point on the draw rod head is correspondent with the back end of the core pole. The pull force of the hydraulic cylinder of the metal bend drawing machine of this utility model reaches self-balance with the pressure expanding force and bending force on the bend when modeled. The utility model is stable in production process with no vibration, compared with the common double hydraulic cylinder bend drawing machine, reducing volume of the bend drawing machine, saving investment and simultaneously increasing production efficiency. According to space size of manufacturing shop, the metal bend drawing machine of the utility model can employ the horizontal or vertical dispensing to produce metal bends. Due to self balance reached by pull force and drag force, the set does not need to be fixed on concrete bed, thereby applicable to miscellaneous work shops.
Description
One, technical field: the utility model relates to a kind of equipment of making metal bends, the drawing plant equipment that the method that particularly a kind of pulling force that utilizes hydraulic jack draws is made metal bends.
Two, background technology: according to relevant paper introduction, before 1996,, still used the elbow of this kind equipment pushing all size and various metal materials so far with regard to there being the equipment that uses biliquid compressing cylinder push machine to join the intermediate frequency power supply heating to make the elbow of titanium material.This equipment that utilizes pushing making method to produce elbow needs the biliquid compressing cylinder, and it is bulky, and floor space is big, and is on the low side to the production efficiency of elbow in enormous quantities.Biliquid compressing cylinder push machine is used the thrust of hydraulic jack, because the piston rod of hydraulic jack is longer, piston rod shakes easily in the pushing process, has influenced the product quality of metal bends, has limited the development and the popularization of this technology.
Three, summary of the invention:
1, goal of the invention: the utility model provides a kind of metal bends drawing machine, it is that the push machine, the production efficiency that only are provided with a working position is low that its purpose is to solve existing biliquid compressing cylinder metal bends push machine, because piston rod is long and the mode of employing pushing, the vibrations in the pushing process usually influence the quality of metal bends.
2, technical scheme: the utility model is achieved through the following technical solutions:
A kind of metal bends drawing machine, this drawing machine comprises pedestal, core bar and plug, and plug is located at the front end of core bar, and both are connected to one; It is characterized in that: it also comprises hydraulic jack and drawhead; Hydraulic jack is fixed on the pedestal, is fixed with drawhead on the piston rod of hydraulic jack, and the working position on the drawhead is corresponding with the tail end of core bar.
Bearing and rear support before pedestal is provided with, hydraulic jack is fixed on the rear support, and the piston rod of core bar and hydraulic jack be arranged in parallel, and in the draw-in groove of bearing, the plug end that is connected with core bar was arranged on the rear support before the tail end of core bar was fixed on.
Rear support is provided with the heater that plug is heated.
Be provided with heat-proof device between plug and the hydraulic jack.
Heat-proof device adopts resistant to elevated temperatures ceramic fibre module.
Drawhead is rectangle or circle, which is provided with the working position of a plurality of symmetries.
Drawhead which is provided with two working positions, four working positions or six working positions during for rectangle; Drawhead which is provided with three working positions, four working positions or five working positions when being circular.
Hydraulic jack adopts the single-piston rod hydraulic jack, and drawhead is fixed on the end of piston rod by nut, and each working position on the drawhead is corresponding with the tail end of a core bar.
Hydraulic jack adopts the double piston-rod hydraulic jack, and the end of each piston rod all is fixed with a drawhead by nut, and the working position on each drawhead is corresponding with the tail end of a core bar respectively.
3, advantage and effect: the utility model metal bends drawing machine adopts the pulling force of hydraulic jack to replace the thrust of existing biliquid compressing cylinder metal bends push machine to prepare metal bends, is applicable to the elbow of producing various metal materials in enormous quantities; Make the process operation of producing elbow steady, it is longer to have solved common double hydraulic jack elbow push machine piston rod, is easy to generate the drawback of vibrations in the pushing process, has improved the production efficiency and the product quality of metal bends.
The pressure that is subjected to when the pulling force of its hydraulic jack of metal bends drawing machine of the present utility model and bend forming dilates power and bending force reaches self-balancing, smooth production process is vibrations not, compare with common double hydraulic jack elbow push machine, dwindle the volume of elbow push machine, increased production efficiency when saving investment again.According to the space size of workshop, can adopt mode horizontal or vertical placement to produce metal bends metal bends drawing machine of the present utility model.So, be applicable to various workshops occasion owing to the complete machine that is pulling force and resistance self-balancing need not be fixed on the concrete foundation.
Producer's great majority of producing the small diameter metal elbow now both at home and abroad are to use the equipment of " cold pushing " and process pan in next life to belong to elbow, because the pipe to metal bends carries out cold working, make the metal bends pipe be subjected to forcing tensile stress, the big outer arc place wall thickness reduction of this elbow is bigger, destroyed the metal lattice tissue, be easy to generate micro-crack, reduced the pressure-bearing and the etch-proof ability of metal bends.And the metal bends that uses metal bends drawing machine of the present utility model to produce, be by hydraulic jack the metal pipe after heating to be pressurizeed to dilate with crooked technical process under the effect of pulling force to realize, the forming process of metal bends is similar to die forging, the big outer arc place wall thickness of metal bends is attenuate not, the metal bends internal crystal framework is tight, has increased the bulk strength and the anti-corrosion capability of metal bends.
Four, description of drawings: accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 is the vertical view of Fig. 1;
Accompanying drawing 3 adopts the structural representation of double piston-rod hydraulic jack for the utility model;
Accompanying drawing 4 is the vertical view of Fig. 3;
Accompanying drawing 5 is the structural representation of first kind of vertical setting of the utility model;
Accompanying drawing 6 is the structural representation of second kind of vertical setting of the utility model;
Accompanying drawing 9 is the drawhead structural representation of two working positions of the utility model rectangle;
Accompanying drawing 8 is the drawhead structural representation of four working positions of the utility model rectangle;
Accompanying drawing 7 is the drawhead structural representation of six working positions of the utility model rectangle;
Accompanying drawing 10 is the drawhead structural representation of three working positions of the utility model circle;
Accompanying drawing 11 is the drawhead structural representation of four working positions of the utility model circle;
Accompanying drawing 12 is the drawhead structural representation of five working positions of the utility model circle.
Five, the specific embodiment:
Below in conjunction with accompanying drawing the utility model is described in detail as follows.
Among the figure: 1, pedestal; 2, preceding bearing; 3, core bar; 4, nut; 5, drawhead; 6, piston rod; 7, rear support; 8, heat-proof device; 9, heater; 10, plug; 11, hydraulic jack.
Embodiment 1:
Shown in accompanying drawing 1,2, the utility model is a kind of metal bends drawing machine, and this drawing machine comprises pedestal 1, core bar 3 and plug 10, and plug 10 is located at the front end of core bar 3, and both adopt the fixedly connected mode of welding to become one; This drawing machine also comprises hydraulic jack 11 and drawhead 5; Bearing 2 and rear support 7 before pedestal 1 is provided with, hydraulic jack 11 is fixed on the rear support 7, core bar 3 be arranged in parallel with the piston rod 6 of hydraulic jack 11, the tail end of core bar 3 is fixed in the draw-in groove of preceding bearing 2, plug 10 ends that are connected with core bar 3 are arranged on the rear support 7, hydraulic jack 11 adopts single-piston rod, and piston rod 6 front ends are fixed with drawhead 5 by nut 4, and the working position on the drawhead 5 is corresponding with the tail end of core bar 3.
Position corresponding with plug 10 on the rear support 7 is provided with heater 9, and 9 pairs of plugs 10 of heater heat; Be provided with heat-proof device 8 between plug 10 and the hydraulic jack 11, it is arranged on the rear support 7 or suspends and is arranged between plug 10 and the hydraulic jack 11.Heat-proof device 8 adopts resistant to elevated temperatures ceramic fibre module or other high temperature resistant heat insulation material.
Shown in Fig. 7-12, above-mentioned drawhead 5 is rectangle or circle, which is provided with the working position of a plurality of symmetries, reaches dynamic balance between each working position; Drawhead 5 which is provided with two working positions, four working positions or six working positions during for rectangle; Drawhead 5 which is provided with three working positions, four working positions or five working positions when being circular.
Embodiment 2:
Shown in Fig. 3,4, hydraulic jack in the utility model can adopt the hydraulic jack of double piston-rod, drawhead all is set on each piston rod, so only adopted a hydraulic jack just to be equivalent to two metal bends drawing machines, can alternately prepare metal bends, other structure is with embodiment 1.
The utility model metal bends drawing machine can horizontally be provided with, also can vertically be provided with, dual mode is arranged during vertical the setting, first kind is that hydraulic jack is arranged in the hole that is lower than ground, reduce the height on plug end and ground, be convenient to operation, specifically seen Fig. 5, second kind is directly equipment to be suspended in the workshop, sees Fig. 6.
The principle of the utility model metal bends drawing machine is to adopt the pulling force pan in next life of hydraulic jack to belong to elbow.
Equipment structure: see Fig. 1,2, bearing 2 and rear support 7 before on pedestal 1, being provided with, by rear support 7 fixed hydraulic oil cylinders 11, the end of the piston rod 6 on the hydraulic jack 11 nut 4 fastening pull rod heads 5, the metal bends pipe that will be enclosed within on the core bar 3 by the cutting ferrule on two working positions of drawhead 5 two ends symmetries tightens, fixing in the draw-in groove of bearing 2 before the tail end of core bar 3 is placed on, core bar 3 and plug 10 weld together.
Equipment running process: metal bends drawing machine of the present utility model is to use the pulling force of hydraulic jack 11 to make piston rod 6 drive drawhead 5, two working positions by drawhead 5 two ends symmetries are exerted pressure to being enclosed within two metal bends pipes on the core bar 3, the metal bends pipe is owing to be under pressure, pass through heater 9 again, heater 9 can be that flame heat also can adopt electrical heating to the metal bends heating of pipe blank on the plug 10, the metal bends pipe that is heated is just produced qualified metal bends by plug 10 be squeezed hole enlargement and bending.Because the metal bends pipe on 9 pairs of plugs 10 of heater carries out the high temperature heating, its high temperature is very unfavorable to hydraulic jack 11 operate as normal, so between plug 10 and hydraulic jack 11, thermostable heat insulation device 8 is set, so just can makes hydraulic jack 11 operate as normal.
Metal bends drawing machine of the present utility model is the pulling force that adopts hydraulic jack, by the cutting ferrule on two working positions of piston rod drive drawhead two ends symmetry, metal bends pipe on two core bars is exerted pressure, after adding hot extrusion hole enlargement bending, plug produces qualified metal bends, an equipment pushes up the logical biliquid compressing cylinder elbow push machine of two Daeporis and uses, and has reduced equipment volume, has saved equipment and materials, reduce equipment cost, increase exponentially production efficiency; 1. carry out work if adopt the double piston-rod hydraulic jack to move back and forth, then an equipment can push up the logical biliquid compressing cylinder elbow push machine use of four Daeporis; 2. if the drawhead of two working positions adopts three working positions, four working positions, five working positions or six working positions, then an efficiency of equipment is higher; 3. because metal bends drawing machine volume of the present utility model is little, can adopt horizontal or vertical placement, not influence ordinary production according to the space size of workshop.And common biliquid compressing cylinder elbow push machine can only horizontally be used, and the utilization in workshop space is restricted; 4. metal bends drawing machine of the present utility model operates steadily the overall process of producing metal bends owing to adopt the pulling force of hydraulic jack, and pulling force and resistance reach self-balancing.This equipment is not if horizontal use needs to be fixed on the concrete foundation; If vertical use can be hung in the optional position and not influence ordinary production.
Claims (9)
1, a kind of metal bends drawing machine, this drawing machine comprise pedestal (1), core bar (3) and plug (10), and plug (10) is located at the front end of core bar (3), and both are connected to one; It is characterized in that: it also comprises hydraulic jack (11) and drawhead (5); Hydraulic jack (11) is fixed on the pedestal (1), is fixed with drawhead (5) on the piston rod (6) of hydraulic jack (11), and the working position on the drawhead (5) is corresponding with the tail end of core bar (3).
2, metal bends drawing machine according to claim 1, it is characterized in that: pedestal (1) is provided with preceding bearing (2) and rear support (7), hydraulic jack (11) is fixed on the rear support (7), core bar (3) be arranged in parallel with the piston rod (6) of hydraulic jack (11), the tail end of core bar (3) is fixed in the draw-in groove of preceding bearing (2), and plug (10) end that is connected with core bar (3) is arranged on the rear support (7).
3, metal bends drawing machine according to claim 2 is characterized in that: rear support (7) is provided with the heater (9) that plug (10) is heated.
4, metal bends drawing machine according to claim 2 is characterized in that: be provided with heat-proof device (8) between plug (10) and the hydraulic jack (11).
5, metal bends drawing machine according to claim 4 is characterized in that: heat-proof device (8) adopts resistant to elevated temperatures ceramic fibre module.
6, metal bends drawing machine according to claim 1 is characterized in that: drawhead (5) is rectangle or circle, which is provided with the working position of a plurality of symmetries.
7, metal bends drawing machine according to claim 6 is characterized in that: drawhead (5) which is provided with two working positions, four working positions or six working positions during for rectangle; Drawhead (5) which is provided with three working positions, four working positions or five working positions when being circular.
8, metal bends drawing machine according to claim 1, it is characterized in that: hydraulic jack (11) adopts the single-piston rod hydraulic jack, drawhead (5) is fixed on the end of piston rod by nut (4), and each working position on the drawhead is corresponding with the tail end of a core bar (3).
9, metal bends drawing machine according to claim 1, it is characterized in that: hydraulic jack (11) adopts the double piston-rod hydraulic jack, the end of each piston rod all is fixed with a drawhead (5) by nut (4), and the working position on each drawhead is corresponding with the tail end of a core bar (3) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620153500 CN200981083Y (en) | 2006-12-06 | 2006-12-06 | Metal bend drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620153500 CN200981083Y (en) | 2006-12-06 | 2006-12-06 | Metal bend drawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200981083Y true CN200981083Y (en) | 2007-11-28 |
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ID=38908247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620153500 Expired - Fee Related CN200981083Y (en) | 2006-12-06 | 2006-12-06 | Metal bend drawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200981083Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049437A (en) * | 2010-11-19 | 2011-05-11 | 淄博宏泰防腐有限公司 | Bent pipe manufacturing equipment and using method thereof |
| CN109954808A (en) * | 2017-12-26 | 2019-07-02 | 重庆达德机械制造有限公司 | A kind of device reducing bend pipe aperture |
| CN109954806A (en) * | 2017-12-26 | 2019-07-02 | 重庆达德机械制造有限公司 | A kind of device for expanding bend pipe aperture |
| CN109954803A (en) * | 2017-12-26 | 2019-07-02 | 重庆达德机械制造有限公司 | A kind of automation nozzle docking pipe reduction device |
-
2006
- 2006-12-06 CN CN 200620153500 patent/CN200981083Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049437A (en) * | 2010-11-19 | 2011-05-11 | 淄博宏泰防腐有限公司 | Bent pipe manufacturing equipment and using method thereof |
| CN102049437B (en) * | 2010-11-19 | 2012-10-17 | 淄博宏泰防腐有限公司 | Bent pipe manufacturing equipment and using method thereof |
| CN109954808A (en) * | 2017-12-26 | 2019-07-02 | 重庆达德机械制造有限公司 | A kind of device reducing bend pipe aperture |
| CN109954806A (en) * | 2017-12-26 | 2019-07-02 | 重庆达德机械制造有限公司 | A kind of device for expanding bend pipe aperture |
| CN109954803A (en) * | 2017-12-26 | 2019-07-02 | 重庆达德机械制造有限公司 | A kind of automation nozzle docking pipe reduction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: YU HAO TO: DING HAO |
|
| CU01 | Correction of utility model patent |
Correction item: Designer Number: 48 Page: The title page Volume: 23 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Designer Number: 48 Page: 205 Volume: 23 |
|
| ERR | Gazette correction |
Free format text: CORRECT: DESIGNER; FROM: YU HAO TO: DING HAO |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071128 Termination date: 20101206 |