CN218310055U - Special drawing equipment for stainless steel cross pipe - Google Patents
Special drawing equipment for stainless steel cross pipe Download PDFInfo
- Publication number
- CN218310055U CN218310055U CN202121404586.XU CN202121404586U CN218310055U CN 218310055 U CN218310055 U CN 218310055U CN 202121404586 U CN202121404586 U CN 202121404586U CN 218310055 U CN218310055 U CN 218310055U
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- Prior art keywords
- stainless steel
- die holder
- steel pipe
- die
- spherical
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 67
- 239000010935 stainless steel Substances 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 11
- 239000010959 steel Substances 0.000 abstract description 11
- 230000035939 shock Effects 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
The utility model discloses a special drawing device for stainless steel cross pipes, which comprises a traction mechanism and an electric control box which are arranged on a frame, and also comprises a core print positioning mechanism, a supporting mechanism, a straightening mechanism and a die holder component which are arranged on the frame in sequence along the drawing direction; the core print positioning mechanism is used for positioning and adjusting the relative position of the core print positioning mechanism and the die holder assembly; the supporting mechanism is used for supporting the stainless steel pipe and the core print; the straightening mechanism is used for straightening the stainless steel pipe and keeping the stainless steel pipe and the die holder assembly concentric and pressing the stainless steel pipe tightly in the drawing process; the die holder assembly is used for micro-adjusting the straightness of the stainless steel special pipe. The utility model provides a drawing equipment can be earlier straightened nonrust steel pipe in advance through straightening mechanism, guarantees that nonrust steel pipe can keep concentric with drawing die throughout at the in-process of drawing, makes to draw more stable, compresses tightly nonrust steel pipe through the pinch roller simultaneously, can prevent again that shock phenomenon from appearing owing to the rear portion stretches out the overlength at the in-process of drawing.
Description
Technical Field
The utility model relates to a nonrust steel pipe processing field especially relates to a special drawing equipment of stainless steel cross.
Background
Stainless steel tubes are widely used in military products, light industrial products, mechanical instrument products and the like due to the advantages of good mechanical properties, high hardness, high wear resistance and the like. Stainless steel pipes are generally classified into seamless pipes and welded pipes, and the seamless pipes are generally manufactured by hot rolling, cold rolling or cold drawing. The thicker the wall thickness of the stainless steel seamless pipe is, the more economical and practical the stainless steel seamless pipe is, the thinner the wall thickness is, the larger the processing cost of the stainless steel seamless pipe is, particularly, the thinner the thin-wall special pipe with higher precision is, in the drawing process, along with the increase of the length of the steel pipe, the straightness of the thin-wall special pipe is difficult to guarantee, the conventional processing method cannot meet the precision of the special pipe, and the requirement of customers can be met only by processing the thin-wall special pipe on special equipment.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving one of the technical problems in the related art at least to a certain extent. Therefore, an object of the utility model is to provide a special drawing equipment of stainless steel cross, drawing the in-process, nonrust steel pipe remains unanimous with the center of mould all the time, makes drawing process more stable, the effectual finished quality of drawing of having ensured.
The utility model provides a special drawing device for stainless steel cross pipes, which comprises a traction mechanism and an electric control box which are arranged on a frame, and also comprises a core print positioning mechanism, a supporting mechanism, a straightening mechanism and a die holder component which are arranged on the frame in sequence along the drawing direction;
the core print positioning mechanism is used for positioning and adjusting the relative position of the core print and the die holder assembly;
the supporting mechanism is used for supporting the stainless steel pipe and the core print;
the straightening mechanism is used for straightening the stainless steel pipe and keeping the stainless steel pipe and the die holder assembly concentric and pressing the stainless steel pipe in the drawing process;
the die holder assembly is used for carrying out micro-adjustment on the straightness of the stainless steel special pipe.
Preferably, the traction mechanism comprises linear guide rails erected on two sides of the traction mechanism along the length direction of the rack, two sliding blocks are connected to each linear guide rail in a sliding mode, the tops of the four sliding blocks are connected to the sliding seat together, a motor is fixedly mounted on the rack, the output end of the motor is connected with a ball screw through an elastic coupling, the bottom of the sliding seat is in threaded connection with the ball screw, and a clamping assembly used for clamping the stainless steel pipe is arranged on the sliding seat.
Preferably, the clamping assembly comprises a support frame and a pneumatic die holder, the support frame is fixed on the sliding seat, the pneumatic die holder is installed on the support frame, a pneumatic chuck is arranged inside the pneumatic die holder, and a spring chuck is installed inside the pneumatic chuck.
Preferably, the mould die holder subassembly is including spherical die holder, the inside of spherical die holder is provided with the spherical mould, the inside of spherical mould is provided with drawing die, draw die and spherical mould between the key-type connection and with the clamp plate fastening, through spherical face cooperation between spherical die holder and the spherical mould, and compress tightly through four first adjusting bolt, also through spherical face cooperation between four first adjusting bolt and the spherical mould, and four first adjusting bolt evenly distributed are on the spherical mould, down, a left side, four directions on the right side, it has the scale all to etch on every first adjusting bolt's the terminal surface, the straightness accuracy to stainless steel mechanical tubes is adjusted through adjusting the degree of compressing tightly of first adjusting bolt in four directions.
Preferably, the core print positioning mechanism comprises a core print positioning frame, a positioning groove is formed in the core print positioning frame, a positioning rod is placed in the positioning groove, one end of the positioning rod penetrates through the core print positioning frame to form a threaded connection and is connected with an adjusting nut, and the other end of the positioning rod is connected with the core print through a connecting rod.
Preferably, the supporting mechanism comprises a bracket and a carrier roller arranged on the bracket in a rolling manner through a bearing.
Preferably, straightening mechanism is including fixing the mounting panel in the frame, three groove has been seted up to the preceding terminal surface of mounting panel, every inslot is connected with two guide posts along vertical direction, the guide block has been cup jointed in the slip on the guide post, the top of guide block is connected with second adjusting bolt, and second adjusting bolt upwards extends to the mounting panel outside, the spring has still been cup jointed on the guide post, the top and the guide block of spring link to each other, the bottom links to each other with the tank bottom of mounting panel, all rotate on the preceding terminal surface of guide block and the preceding terminal surface of mounting panel and install the pinch roller of mutually supporting.
The utility model provides a beneficial effect does: the utility model provides a drawing equipment can be earlier straightened to nonrust steel pipe in advance through aligning mechanism before drawing nonrust steel pipe, can guarantee like this that nonrust steel pipe can keep concentric with drawing die throughout at the in-process of drawing, makes to draw more stably, simultaneously, compresses tightly nonrust steel pipe through the pinch roller, can prevent again at the in-process of drawing because the rear portion stretches out the overlength and oscillation phenomenon appears to the drawing forming quality of nonrust steel pipe has been ensured. In addition, the spherical die and the spherical die holder in the die holder assembly are matched through spherical surfaces and are pressed through the four first adjusting bolts, the four first adjusting bolts are matched with the spherical die through the spherical surfaces, the four first adjusting bolts are uniformly distributed in the upper direction, the lower direction, the left direction and the right direction of the spherical die, scales are etched on the end surface of each first adjusting bolt, the straightness of the stainless steel special-shaped pipe is adjusted by adjusting the pressing degree of the first adjusting bolts in the four directions and reading the corresponding scales, the drawing quality of the stainless steel pipe is guaranteed, and the whole device is suitable for drawing operation of various stainless steel pipes with different special shapes.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a special drawing apparatus for stainless steel cross pipes according to the present invention;
FIG. 2 is a schematic view of the stainless steel cross in the drawing state of the present invention;
fig. 3 is a schematic structural view of a traction mechanism of the present invention;
fig. 4 is a schematic plan view of a die holder assembly of the present invention;
FIG. 5 is a partial cross-sectional view of the die block assembly of FIG. 4;
FIG. 6 is a schematic structural view of a straightening mechanism according to the present invention.
In the figure: 100. a traction mechanism; 101. a motor; 102. a ball screw; 103. a linear guide rail; 104. a slider; 105. a support frame; 106. a pneumatic die holder; 107. a pneumatic chuck; 200. an electrical control box; 300. a die shoe assembly; 301. a spherical die holder; 302. a spherical mold; 303. drawing the die; 304. a first adjusting bolt; 305. a key; 306. pressing a plate; 400. a straightening mechanism; 401. a second adjusting bolt; 402. a pinch roller; 403. a guide block; 404. a guide post; 405. a spring; 406. mounting a plate; 500. a support mechanism; 600. a core print positioning frame; 601. a core print; 602. a connecting rod; 603. positioning a rod; 604. adjusting the nut; 700. a frame; 800. stainless steel tubes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The embodiment of the invention discloses special drawing equipment for a stainless steel cross pipe, which comprises a traction mechanism 100 and an electric control box 200 which are arranged on a rack 700, and further comprises a core print positioning mechanism, a supporting mechanism 500, a straightening mechanism 400 and a die holder assembly 300 which are sequentially arranged on the rack 700 along the drawing direction. The core print positioning mechanism is fixed at the end of the frame 700, and is used for positioning and adjusting the relative position of the core print 601 and the mold base assembly 300. The supporting mechanism 500 is used for supporting the stainless steel tube 800 and the core print 601, and ensuring that the centers of the stainless steel tube 800 and the drawing die 303 are on the same plane. The straightening mechanism 400 is used for straightening the stainless steel pipe 800 to be concentric with the die holder assembly 300 and pressing the stainless steel pipe 800 in the drawing process, so that the center of the stainless steel pipe 800 can be kept consistent with the center of the drawing die 303, and the phenomenon of oscillation caused by too long rear part extension in the drawing process of the stainless steel pipe 800 can be prevented. The die holder assembly 300 is used for fine adjustment of the straightness of the stainless steel special pipe.
Specifically, as shown in fig. 3, the traction mechanism 100 in this embodiment includes linear guide rails 103 erected on two sides of a machine frame 700 along a length direction thereof, each linear guide rail 103 is connected with two sliding blocks 104 in a sliding manner, tops of the four sliding blocks 104 are connected to a sliding base together, a motor 101 is further fixedly mounted on the machine frame 700, an output end of the motor 101 is connected with a ball screw 102 through an elastic coupling, a bottom of the sliding base is connected with the ball screw 102 in a threaded manner, the rotation of the motor 101 drives the ball screw 102 to rotate, so that the sliding base moves back and forth along the linear guide rails 103, in addition, photoelectric sensors are mounted on two sides of the ball screw 102 and used for protecting the sliding base and moving the sliding base within a safety range. The slide is provided with a clamping assembly for clamping the stainless steel tube 800.
Further, the clamping assembly comprises a support frame 105 and a pneumatic die holder 106, the support frame 105 is fixed on the sliding base, the pneumatic die holder 106 is installed on the support frame 105, a pneumatic chuck 107 is arranged inside the pneumatic die holder 106, a spring chuck is installed in the pneumatic chuck 107, and the stainless steel tube 800 is clamped by the pneumatic chuck 107 with the spring chuck.
As shown in fig. 4 and 5, the die holder assembly 300 of the present embodiment includes a spherical die holder 301, a spherical die 302 is disposed inside the spherical die holder 301, a drawing die 303 is disposed inside the spherical die 302, the drawing die 303 and the spherical die 302 are connected by a key 305 and fastened by a pressing plate 306, and the key 305 can prevent the drawing die 303 from rotating during drawing; the pressing plate 306 is adopted for fastening, so that the drawing die 303 can be prevented from popping out of the spherical die 302 due to recoil generated by drawing after drawing is finished, the spherical die holder 301 is matched with the spherical die 302 through a spherical surface and is pressed through the four first adjusting bolts 304, the four first adjusting bolts 304 are also matched with the spherical die 302 through the spherical surface, the four first adjusting bolts 304 are uniformly distributed in the upper, lower, left and right directions of the spherical die 302, scales are etched on the end surface of each first adjusting bolt 304, the spherical die 302 is finely adjusted by adjusting the first adjusting bolts 304 in the four directions, and the straightness of the stainless steel special pipe can be adjusted by adjusting the pressing degree of the first adjusting bolts 304 in the four directions and reading the corresponding scales.
As shown in fig. 2, the core print positioning mechanism in this embodiment includes a core print positioning frame 600, a positioning groove is provided on the core print positioning frame 600, a positioning rod 603 is disposed in the positioning groove, one end of the positioning rod 603 passes through the core print positioning frame 600 to form a threaded connection with an adjusting nut 604, the other end of the positioning rod 603 is connected with a core print 601 through a connecting rod 602, and the position relationship of the core print 601 with respect to the drawing mold 303 is adjusted by rotating the adjusting nut 604.
Referring to fig. 1 again, the supporting mechanism 500 in this embodiment includes a bracket and a carrier roller rolling-disposed on the bracket through a bearing, and the supporting mechanism 500 is mainly used for supporting the stainless steel tube 800 and the core print 601, ensuring that the centers of the stainless steel tube 800 and the drawing die 303 are on the same plane, and during the drawing process, the carrier roller can rotate along with the movement of the stainless steel tube 800, so as to reduce the abrasion of the stainless steel tube 800 on the surface of the carrier roller.
As shown in fig. 6, the straightening mechanism 400 in the present invention includes a mounting plate 406 fixed on a rack 700, three grooves have been opened on the front end face of the mounting plate 406, each groove is connected with two guide posts 404 along the vertical direction, a guide block 403 is slidably sleeved on the guide posts 404, the top of the guide block 403 is connected with a second adjusting bolt 401, and the second adjusting bolt 401 extends upwards to the outside of the mounting plate 406, a spring 405 is further sleeved on the guide post 404, the top of the spring 405 is connected with the guide block 403, the bottom is connected with the groove bottom of the mounting plate 406, the front end face of the guide block 403 and the front end face of the mounting plate 406 are rotatably provided with pinch rollers 402 which are matched with each other, when the stainless steel pipe 800 passes through the pinch rollers 402, the distance between the upper and lower pinch rollers 402 is adjusted by rotating the second adjusting bolt 401 to compress the stainless steel pipe 800, and the bend can be straightened.
The utility model discloses a special drawing device of stainless steel cross pipe, before drawing stainless steel pipe 800, stainless steel pipe 800 one side is earlier through the draw bench with the front end diameter of stainless steel pipe 800 to the uniform size, then make the draw bench 303 of stainless steel pipe 800 pass to draw the pipe part, and it is tight with the centre gripping of pneumatic chuck 107 with draw pipe position, compress tightly stainless steel pipe 800 through adjusting the straightener screw, put locating lever 603 in the constant head tank of core head locating rack 600 afterwards, rotatory adjusting nut 604 drives locating lever 603 and drives core 601 and penetrate stainless steel pipe 800 from the opposite side in, until the deformation zone of drawing bench 303, last starter motor 101, motor 101 drive ball 102 rotates, and then slide on the slider 104 edge linear guide 103 that drives slide and its bottom, pneumatic chuck 107 is holding stainless steel pipe 800 and is moving forward and is accomplishing the drawing operation.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. A special drawing device for a stainless steel cross tube comprises a traction mechanism (100) and an electric control box (200) which are arranged on a rack (700), and is characterized by also comprising a core print positioning mechanism, a supporting mechanism (500), a straightening mechanism (400) and a die holder assembly (300) which are sequentially arranged on the rack (700) along the drawing direction;
the core print positioning mechanism is used for positioning and adjusting the relative position of the core print (601) and the die holder assembly (300);
the supporting mechanism (500) is used for supporting the stainless steel pipe (800) and the core print (601);
the straightening mechanism (400) is used for straightening the stainless steel pipe (800) to keep concentric with the die holder assembly (300) and pressing the stainless steel pipe (800) in the drawing process;
the die holder assembly (300) is used for carrying out micro-adjustment on the straightness of the stainless steel special pipe.
2. The special drawing equipment for the stainless steel cross pipe is characterized in that the traction mechanism (100) comprises linear guide rails (103) erected on two sides of a rack (700) in the length direction, two sliding blocks (104) are connected to each linear guide rail (103) in a sliding mode, the tops of the four sliding blocks (104) are connected to a sliding seat together, a motor (101) is further fixedly mounted on the rack (700), the output end of the motor (101) is connected with a ball screw (102) through an elastic coupling, the bottom of the sliding seat is in threaded connection with the ball screw (102), and a clamping assembly for clamping a stainless steel pipe (800) is arranged on the sliding seat.
3. The special drawing device for the stainless steel cross tube as claimed in claim 2, wherein the clamping assembly comprises a support frame (105) and a pneumatic die holder (106), the support frame (105) is fixed on the sliding base, the pneumatic die holder (106) is installed on the support frame (105), a pneumatic chuck (107) is arranged inside the pneumatic die holder (106), and a spring chuck is installed inside the pneumatic chuck (107).
4. The special drawing device for the stainless steel cross tube as claimed in claim 1, wherein the die holder assembly (300) comprises a spherical die holder (301), the spherical die holder (301) is internally provided with a spherical die (302), the spherical die (302) is internally provided with a drawing die (303), the drawing die (303) is connected with the spherical die (302) through a key (305) and fastened by a pressing plate (306), the spherical die holder (301) is matched with the spherical die (302) through a spherical surface and pressed by four first adjusting bolts (304), the four first adjusting bolts (304) are also matched with the spherical die (302) through the spherical surface, the four first adjusting bolts (304) are uniformly distributed in the four directions of the spherical die (302), scales are etched on the end surface of each first adjusting bolt (304), and the straightness of the stainless steel cross tube is adjusted by adjusting the pressing degree of the first adjusting bolts (304) in the four directions.
5. The special drawing device for the stainless steel cross tube, according to claim 1, is characterized in that the core positioning mechanism comprises a core positioning frame (600), positioning grooves are formed in the core positioning frame (600), positioning rods (603) are placed in the positioning grooves, one ends of the positioning rods (603) penetrate through the core positioning frame (600) and are in threaded connection with adjusting nuts (604), and the other ends of the positioning rods (603) are connected with the core (601) through connecting rods (602).
6. The special drawing equipment for stainless steel cross tubes as claimed in claim 1, wherein the supporting mechanism (500) comprises a bracket and an idler roll arranged on the bracket in a rolling manner through a bearing.
7. The special drawing device for the stainless steel cross tube according to claim 1, wherein the straightening mechanism (400) comprises a mounting plate (406) fixed on a rack (700), the front end face of the mounting plate (406) is provided with three grooves, each groove is internally connected with two guide columns (404) in the vertical direction, guide blocks (403) are sleeved on the guide columns (404) in a sliding mode, the tops of the guide blocks (403) are connected with second adjusting bolts (401), the second adjusting bolts (401) extend upwards to the outside of the mounting plate (406), springs (405) are further sleeved on the guide columns (404), the tops of the springs (405) are connected with the guide blocks (403), the bottoms of the springs are connected with the bottoms of the mounting plates (406), and mutually matched pressing wheels (402) are rotatably mounted on the front end faces of the guide blocks (403) and the mounting plate (406).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121404586.XU CN218310055U (en) | 2021-06-23 | 2021-06-23 | Special drawing equipment for stainless steel cross pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121404586.XU CN218310055U (en) | 2021-06-23 | 2021-06-23 | Special drawing equipment for stainless steel cross pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218310055U true CN218310055U (en) | 2023-01-17 |
Family
ID=84831202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121404586.XU Expired - Fee Related CN218310055U (en) | 2021-06-23 | 2021-06-23 | Special drawing equipment for stainless steel cross pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218310055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275400A (en) * | 2021-06-23 | 2021-08-20 | 新乡龙鑫精密模具制造有限公司 | Special drawing equipment for stainless steel cross pipe |
-
2021
- 2021-06-23 CN CN202121404586.XU patent/CN218310055U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275400A (en) * | 2021-06-23 | 2021-08-20 | 新乡龙鑫精密模具制造有限公司 | Special drawing equipment for stainless steel cross pipe |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |