CN113275451A - Hydraulic press for metal pipe stamping - Google Patents
Hydraulic press for metal pipe stamping Download PDFInfo
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- CN113275451A CN113275451A CN202110828810.6A CN202110828810A CN113275451A CN 113275451 A CN113275451 A CN 113275451A CN 202110828810 A CN202110828810 A CN 202110828810A CN 113275451 A CN113275451 A CN 113275451A
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- Prior art keywords
- rod
- fixedly connected
- rotating rod
- transmission
- stamping
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- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
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- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
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- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a hydraulic press for stamping a metal pipe, which comprises a fixing mechanism, wherein the fixing mechanism comprises a movable rod, an installation seat, a rotating rod I, a rotating rod II, a triangular plug block and an opening and closing mechanism, wherein the movable rod is connected to the right end of a left support rod in a sliding mode, the installation seat is fixedly connected to the right end of the movable rod, the rotating rod I is rotatably connected to the installation seat, the rotating rod II is rotatably connected to the installation seat, the triangular plug block is fixedly connected to the right end of the bottom side of the rotating rod II, and the opening and closing mechanism is fixedly connected between the rotating rod I and the rotating rod II; through the opening and closing of the first rotating rod and the second rotating rod, a stable triangular support is formed, the metal pipe is prevented from shaking in the punching process according to the characteristics of stability and non-deformation of a triangle, and the stability of the metal pipe in the punching process is guaranteed.
Description
Technical Field
The invention relates to the technical field of hydraulic presses, in particular to a hydraulic press for stamping a metal pipe.
Background
A hydraulic machine is a machine that uses liquid as a working medium to transfer energy to implement various processes. The hydraulic press can be used for punching, correcting, press-fitting, packing, briquetting and the like besides forging and forming.
In order to meet the process requirements, a plurality of punched holes are usually punched on the metal pipe, and the metal pipe is generally punched by using a hydraulic machine due to the wide application range of the hydraulic machine; however, when the hydraulic press punches a hole in the metal pipe, in order to ensure the accuracy of the punching position on the metal pipe, the metal pipe is often fixed on the hydraulic press to avoid the metal pipe from shaking in the punching process.
In order to avoid the shaking of the metal pipe in the punching process, the metal pipe is fixed on the processing table board of the hydraulic press in the conventional society in a pneumatic mode, so that the metal pipe is quickly fixed, and the surface of the metal pipe is prevented from being clamped; however, in the process of punching, the metal pipe can be subjected to downward impact force of the hydraulic machine, so that the impact force borne by the upper surface of the metal pipe is larger than the fastening force, the pneumatic fastening force is loosened, the metal pipe is shaken when being punched, and the accuracy of the punching position on the metal pipe is influenced.
Disclosure of Invention
The embodiment of the application forms a firm A-frame through opening and shutting of dwang one, dwang two through providing a hydraulic press for the tubular metal resonator punching press, according to the characteristics that triangle-shaped is firm, non-deformable, avoids the tubular metal resonator to punch a hole the in-process and takes place to rock, guarantees the tubular metal resonator and is punching a hole the firm of in-process.
The embodiment of the application provides a hydraulic press for stamping a metal pipe, which comprises a base, a left support rod, a fixing mechanism, a right support rod and a bearing table,
the base is used for mounting and supporting the left support rod and the right support rod;
the left stay bar is fixedly connected to the left side of the upper end of the base;
the right stay bar is fixedly connected to the right side of the upper end of the base;
the fixing mechanism is connected to the right end of the left support rod in a sliding manner and used for fixing the metal pipe; the fixing mechanism comprises a moving rod, an installation seat, a first rotating rod, a second rotating rod, a triangular plug block and an opening and closing mechanism;
the moving rod is connected to the right end of the left support rod in a sliding manner;
the mounting seat is fixedly connected to the right end of the movable rod;
the first rotating rod is rotatably connected to the mounting seat and rotates towards the left side;
the second rotating rod is rotatably connected to the mounting seat and rotates towards the right side;
the triangular plug block is fixedly connected to the right end of the second bottom side of the rotating rod and used for plugging a gap between the metal pipe and the stamping platform;
the opening and closing mechanism is fixedly connected between the first rotating rod and the second rotating rod and is used for opening and closing the first rotating rod and the second rotating rod;
and the bearing platform is fixedly connected to the upper ends of the left support rod and the right support rod.
And furthermore, two fixing mechanisms are arranged, and the other fixing mechanism is connected to the left end of the right support rod in a sliding manner relative to the base.
The opening and closing mechanism further comprises a hydraulic rod, a fixed seat, a first transmission rod, a first connecting seat, a second transmission rod and a second connecting seat;
the hydraulic rod is fixedly connected to the bottom end of the mounting seat and used for realizing the opening and closing of the first transmission rod and the second transmission rod;
the fixed seat is fixedly connected to the bottom end of the hydraulic rod;
the first transmission rod is rotatably connected to the fixed seat and rotates to the left side;
the first connecting seat is fixedly connected to the bottom end of the first transmission rod, and the left end of the first connecting seat is fixedly connected to the right end of the first rotating rod;
the transmission rod II is rotatably connected to the fixed seat, and the transmission rod rotates towards the right side;
and the second connecting seat is fixedly connected to the bottom end of the second transmission rod, and the right end of the second connecting seat is fixedly connected to the left end of the second rotating rod.
Further the base upper end fixedly connected with punching press platform, punching press platform is located between left vaulting pole and the right vaulting pole, set up the arc recess on the punching press platform for placing of tubular metal resonator.
The triangular plug block further comprises a first protruding part, a second protruding part, a triangular head and a jacking structure;
the first bulge part is fixedly connected to the right end of the bottom side of the second rotating rod;
the second bulge part is fixedly connected to the right end of the first bulge part;
the triangular head is fixedly connected to the right end of the second bulge and is used for being plugged into a gap between the metal pipe and the stamping platform;
and the two jacking structures are fixedly connected in the first bulge part and the second bulge part respectively and used for jacking the upper end surfaces of the first bulge part and the second bulge part so as to enable the triangular plug block to be attached to the outer wall of the metal pipe.
Furthermore, the upper end surfaces of the first protruding portion and the second protruding portion are both set to be inwards concave elastic surfaces, and the concave radian of the second protruding portion is smaller than that of the first protruding portion, so that the jacking radian of the first protruding portion is larger than that of the second protruding portion.
The jacking structure further comprises a supporting frame and a propping structure;
the supporting frame is fixedly connected to the inner parts of the first protruding part and the second protruding part respectively and used for supporting the distraction structure;
the opening structure is connected in the supporting frame in a sliding mode and used for jacking the upper end surfaces of the first protruding part and the second protruding part upwards; the spreading structure comprises a first rotating rod, a connecting sleeve, spreading cloth, a fixing head and a supporting frame;
the first rotating rod is rotatably connected in the supporting frame, and the first rotating rod selects a screw rod and is used for mounting and supporting between the connecting sleeve and the fixing head;
the connecting sleeve is sleeved outside the first rotating rod in a sliding mode, and the connecting sleeve is rotatably connected with the first rotating rod through threads;
the fixed head is fixedly connected to the upper end of the first rotating rod, and the upper end of the first rotating rod is rotatably connected between the fixed heads;
the spreading cloth is hinged to the fixed head and surrounds the outer wall of the fixed head for a circle by taking the fixed head as a circle center;
the support frame is hinged between the inner wall of the spreading cloth and the connecting sleeve and used for realizing the opening and closing of the spreading cloth.
The bottom end in the supporting frame is fixedly connected with a transmission base for driving the distraction mechanism to move up and down, and the transmission base comprises a fixed base, a connecting rod, a sliding sleeve, an installation block, a motor I, a rotating rod II and a supporting table;
the fixed base is fixedly connected to the bottom end inside the supporting frame;
the connecting rod is rotatably connected to the upper end of the fixed base;
the sliding sleeve is rotatably connected to the left end of the connecting rod;
the second rotating rod is transversely and rotatably connected in the sliding sleeve, and the second rotating rod is rotatably connected with the sliding sleeve;
the first motor is fixedly connected to the right end of the second rotating rod and used for providing power for rotation of the second rotating rod;
the supporting table is fixedly connected to the upper end of the motor, and the distraction structure is fixedly connected to the upper end of the supporting table;
and the mounting block is fixedly connected to the left side of the bottom end of the supporting table and is rotatably connected with the second rotating rod.
A second motor, a transmission gear, a transmission rod and a driven gear are further arranged in the support table;
the motor II is fixedly connected to the inner wall of the upper end of the support table and used for providing power for rotation of the transmission gear;
the transmission gear is rotationally connected to the right end of the second motor;
the driven gear is rotationally connected to the right side of the transmission gear, and the driven gear and the transmission gear are meshed for rotation;
and the transmission rod is rotatably sleeved in the driven gear, and the upper end of the transmission rod is fixedly connected to the bottom end of the first rotating rod and used for driving the first rotating rod to rotate, so that the opening and closing of the umbrella supporting cloth are realized.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: placing a metal pipe into an arc-shaped groove on a punching table, starting a hydraulic rod to extend downwards, driving a transmission rod I and the transmission rod to rotate outwards, so that power for opening the transmission rod I and the transmission rod II outwards is provided, the bottom end face of a triangular plug block moves towards the direction of the metal pipe along the upper end face of the punching table, a triangular head is plugged into a gap between the metal pipe and the punching head, then a supporting table is jacked upwards, a propping structure is jacked upwards, the upper end faces of a first protruding part and a second protruding part are jacked up, the metal pipe is clamped on the upper end face of the triangular plug block according to the difference of the arc heights of the first protruding part and the second protruding part, and then the metal pipe is punched; through the opening and closing of the first rotating rod and the second rotating rod, a stable triangular support is formed, the metal pipe is prevented from shaking in the punching process according to the characteristics of stability and non-deformation of a triangle, and the stability of the metal pipe in the punching process is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view of the securing mechanism of FIG. 1;
FIG. 3 is a schematic view of the opening mechanism of FIG. 2;
FIG. 4 is a schematic view of the triangular plug of FIG. 2;
FIG. 5 is a schematic view of the spreading structure of the triangular plug of FIG. 4;
FIG. 6 is a schematic view of the structure of the triangular plug block of FIG. 4;
FIG. 7 is a schematic view of the jacking configuration of FIG. 4;
FIG. 8 is a schematic view of the transmission base of FIG. 7;
FIG. 9 is a schematic view of the distracting structure of FIG. 7;
FIG. 10 is a schematic view of the internal structure of the support stage of FIG. 9.
In the figure: 10 a base;
20 left stay bar;
30 fixing mechanisms, 31 triangular connecting belts, 32 moving rods, 33 mounting seats, 34 rotating rods I, 35 rotating rods II, 36 triangular plug blocks, 361 protruding parts I, 362 protruding parts II, 363 triangular heads, 364 jacking structures, 641 supporting frames, 410 transmission bases, 411 fixing bases, 412 connecting rods, 413 mounting blocks, 414 sliding sleeves, 415 rotating rods II, 416 motor I, 417 supporting tables, 190 motor II, 191 transmission gears, 192 transmission rods, 193 driven gears, 642 expanding structures, 421 rotating rods I, 422 connecting sleeves, 423 expanding cloth, 424 fixing heads, 425 supporting frames, 37 opening and closing mechanisms, 371 hydraulic rods, 372 fixing seats, 373 transmission rods I, 375 transmission rods II and 376 connecting seats II;
40 a bearing table;
50 a punching platform;
60 right stay bar;
70 hydraulic cylinders;
80 a punching head;
90 metal tube.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
Referring to fig. 1-3, a hydraulic press for stamping metal tubes comprises a base 10, a left brace 20, a fixing mechanism 30, a right brace 60, a bearing table 40, a stamping table 50, a hydraulic cylinder 70, and a punching head 80,
the base 10 is used for installing and supporting the left support rod 20, the right support rod 60 and the punching table 50;
the left stay bar 20 is fixedly connected to the left side of the upper end of the base 10;
a right stay bar 60 fixedly connected to the right side of the upper end of the base 10;
the stamping platform 50 is fixedly connected to the upper end of the base 10, and the stamping platform 50 is positioned between the left support rod 20 and the right support rod 60 and used for placing a metal pipe;
the fixing mechanism 30 is connected to the right end of the left stay bar 20 in a sliding manner and used for fixing the metal pipe 90;
the fixing mechanism 30 comprises a moving rod 32, an installation seat 33, a first rotating rod 34, a second rotating rod 35, a triangular plug block 36 and an opening and closing mechanism 37;
a movable rod 32, which is slidably connected to the right end of the left stay bar 20 and is used for mounting and supporting the mounting seat 33;
a mounting seat 33 fixedly connected to the right end of the moving rod 32;
the rotating rod I34 is rotatably connected to the mounting seat 33, and the rotating rod I34 rotates towards the left side;
the second rotating rod 35 is rotatably connected to the mounting seat 33, and the second rotating rod 35 rotates towards the right side;
the triangular plug block 36 is fixedly connected to the right end of the bottom side of the rotating rod II 35, and the bottom end of the triangular plug block 36 is in sliding connection with the upper end face of the stamping table 50 and is used for blocking a gap between the metal pipe 90 and the stamping table 50;
the opening and closing mechanism 37 is fixedly connected between the first rotating rod 34 and the second rotating rod 35 and is used for opening and closing the first rotating rod 34 and the second rotating rod 35;
the bearing table 40 is fixedly connected to the upper ends of the left stay bar 20 and the right stay bar 60;
the hydraulic cylinder 70 is fixedly connected to the upper end of the bearing table 40 and used for providing power for the working of the punching head 80;
and the punching head 80 is fixedly connected to the bottom end of the hydraulic cylinder 70, and the punching head 80 is positioned above the metal pipe 90 and used for punching the metal pipe 90.
An arc-shaped groove is formed in the upper surface of the stamping platform 50, and the bottom end face of the metal pipe 90 is placed on the arc-shaped groove in the stamping platform 50, so that the situation that the metal pipe 90 is jacked up when the triangular plug block 36 is plugged into the bottom of the metal pipe 90 is avoided.
The opening and closing mechanism 37 comprises a hydraulic rod 371, a fixed seat 372, a first transmission rod 373, a first connecting seat 374, a second transmission rod 375 and a second connecting seat 376;
the hydraulic rod 371 is fixedly connected to the bottom end of the mounting seat 33 and used for opening and closing the first transmission rod 373 and the second transmission rod 375;
a fixed seat 372 fixedly connected to the bottom end of the hydraulic rod 371;
the transmission rod 373 is rotatably connected to the fixed seat 372, and the transmission rod 373 rotates towards the left side;
the first connecting seat 374 is fixedly connected to the bottom end of the first transmission rod 373, and the left end of the first connecting seat 374 is fixedly connected to the right end of the first rotating rod 34;
the second transmission rod 375 is rotatably connected to the fixed seat 372, and the second transmission rod 375 rotates towards the right side;
and a second connecting seat 376 fixedly connected to the bottom end of the second driving rod 375, wherein the right end of the second connecting seat 376 is fixedly connected to the left end of the second rotating rod 35.
The hydraulic rod 371 extends downwards, so that the first transmission rod 373 and the second transmission rod 375 rotate in opposite directions, the first transmission rod 34 and the second transmission rod 35 are pushed to be opened outwards, the movable rod 32 slides downwards, the bottom end face of the triangular plug block 36 moves towards the metal pipe 90 along the direction of the upper end face of the stamping platform 50, the metal pipe 90 is fixed between the left triangular plug block 36 and the right triangular plug block 36, and a triangular fixing frame is formed after the first transmission rod 34 and the second transmission rod 35 are opened. According to the characteristics of stable triangular support and difficult deformation, the metal pipe 90 can be more stable in the punching process.
In order to fix the metal pipe 90 to the punching stage 50, two fixing mechanisms 30 are provided, and the other fixing mechanism 30 is slidably coupled to the left end of the right stay 60 with respect to the base 10, so that the metal pipe 90 can be fixed between the left and right triangular blocks 36.
In order to ensure the stability of the up-and-down sliding of the moving rod 32, the upper end of the moving rod 32 is fixedly connected with a triangular connecting belt 31, and the upper end of the triangular connecting belt 31 is fixedly connected to the bottom end of the bearing table 40;
the triangular connecting band 31 is an elastic band which can be automatically extended or contracted according to the up-and-down movement of the moving rod 32.
During the practical operation of the embodiment of the application, the metal pipe 90 is firstly placed on the arc-shaped groove on the stamping platform 50, at the moment, the hydraulic rod 371 is started to extend downwards, the first transmission rod 373 and the second transmission rod 375 rotate outwards, so that the outwards opening power of the first transmission rod 34 and the second transmission rod 35 is provided, the bottom end face of the triangular plug block 36 is enabled to move towards the metal pipe 90 direction along the upper end face of the stamping platform 50, the metal pipe 90 is fixed between the left triangular plug block 36 and the right triangular plug block 36, and then the metal pipe 90 is punched.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages: through the opening and closing of the first rotating rod and the second rotating rod, a stable triangular support is formed, the metal pipe is prevented from shaking in the punching process according to the characteristics of stability and non-deformation of a triangle, and the stability of the metal pipe in the punching process is guaranteed.
Example two
Referring to fig. 4-8, after the metal tube 90 is placed on the stamping table 50, since the metal tube 90 is a circular tube, a gap exists between the metal tube 90 and the upper end surface of the stamping table 50, and the triangular plug 36 is plugged between the metal tube 90 and the upper end surface of the stamping table 50, so that the gap between the metal tube 90 and the stamping table 50 is reduced, but the upper end surface of the triangular plug 36 is an inclined surface, which causes the situation that the metal tube 90 rolls back and forth left and right on the inclined surface of the triangular plug 36 during the punching process, so that the upper end surface of the triangular plug 36 is set to be irregular, the upper end surface of the triangular plug 36 can be buckled with the outer wall of the metal tube 90, and the metal tube 90 is guaranteed to be stable.
The triangular plug block 36 comprises a first boss 361, a second boss 362, a triangular head 363 and a jacking structure 364;
the first protruding part 361 is fixedly connected to the right end of the bottom side of the second rotating rod 35;
the second projection part 362 is fixedly connected to the right end of the first projection part 361;
the triangular head 3633 is fixedly connected to the right end of the second bulge part 362 and is used for being plugged into a gap between the metal pipe 90 and the stamping platform 50;
and the jacking structure 364 is fixedly connected in the first bulge 361 and used for jacking the upper end face of the first bulge 361, so that the upper end face of the triangular plug block 36 is buckled with the outer wall of the metal pipe 90.
Two jacking structures 364 are arranged, and the other jacking mechanism 364 is fixedly connected in the second boss 362;
the upper end surfaces of the first protruding portion 361 and the second protruding portion 362 are arranged to be arc-shaped surfaces which are recessed inwards, the downward recessed radian of the first protruding portion 361 is larger than the downward recessed radian of the second protruding portion 362, so that when the first protruding portion 361 and the second protruding portion 362 are jacked upwards, the arc height of the first protruding portion 361 is larger than the arc height of the second protruding portion 362, and the metal pipe 90 can be fixed between the first protruding portion 361 and the second protruding portion 362;
the upper end surfaces of the first protruding portion 361 and the second protruding portion 362 are elastic surfaces.
The jacking structure 364 comprises a supporting frame 641 and a propping structure 642;
the supporting frame 641 is fixedly connected inside the first protruding portion 361 and the second protruding portion 362 respectively, and is used for supporting the expanding structure 642;
the expanding structure 642 is slidably connected in the supporting frame 641, and is used for upwards ejecting the upper end surfaces of the first protruding portion 361 and the second protruding portion 362.
The bottom end inside the supporting frame 641 is fixedly connected with a transmission base 410, which is used for driving the expanding mechanism 642 to move up and down, so that the upper ends of the first protruding part 361 and the second protruding part 362 are upwards jacked up;
the transmission base 410 comprises a fixed base 411, a connecting rod 412, a sliding sleeve 414, an installation block 413, a first motor 416, a second rotating rod 415 and a support table 417;
a fixed base 411 fixedly connected to the bottom end of the inside of the supporting frame 641 for mounting and supporting the connecting rod 412;
a connecting rod 412 rotatably connected to the upper end of the fixed base 411;
a sliding sleeve 414 rotatably connected to the left end of the connecting rod 412;
a second rotating rod 415 which is transversely and rotatably connected in the sliding sleeve 414, and the second rotating rod 415 and the sliding sleeve 414 are rotatably connected;
the first motor 416 is fixedly connected to the right end of the second rotating rod 415 and is used for providing power for rotating the second rotating rod 415;
the support table 417 is fixedly connected to the upper end of the first motor 416, and the spreading structure 642 is fixedly connected to the upper end of the support table 417;
and the mounting block 413 is fixedly connected to the left side of the bottom end of the support table 417, and the mounting block 413 is rotatably connected with the second rotating rod 415.
When the connecting rod 412 rotates rightwards, the rotating angle of the connecting rod is gradually increased along with the rightward movement of the sliding sleeve 414, and when the sliding sleeve 414 slides to the right end of the screw rod 415 and cannot slide rightwards any more, the connecting rod 412 is kept in a vertical and upward state at the moment.
The second rotating rod 415 is a screw rod, and the sliding sleeve 414 is in rotary connection with the second rotating rod 415 through threads.
In practical operation of the embodiment of the present application, the first motor 416 works to drive the second rotating rod 415 to rotate clockwise, so that the sliding sleeve 414 moves to the right side, and thus the connecting rod 412 is driven to rotate to the right side, the supporting table 417 is jacked up, and then the supporting structure 642 on the supporting table 417 is driven to jack up, so that the upper end surfaces of the first protruding portion 361 and the second protruding portion 362 jack up, and the metal pipe 90 is fastened on the upper end surface of the triangular plug block 36 according to the difference of the arc heights of the first protruding portion 361 and the second protruding portion 362.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages: through chooseing for use triangle chock, the back is stopped up with the gap of tubular metal resonator and punching press bench up end again, can be with the tubular metal resonator buckle on the up end of triangle chock simultaneously to avoid the tubular metal resonator condition that rocks to appear among the punching process.
EXAMPLE III
Referring to fig. 9-10, in order to ensure that the upper end surfaces of the first protrusion 361 and the second protrusion 362 can be completely jacked up to be attached to the outer wall of the metal pipe 90, the supporting structure 642 is designed to completely jack up and support the upper end surfaces of the first protrusion 361 and the second protrusion 362, so as to avoid the situation that the upper end surfaces of the first protrusion 361 and the second protrusion 362 are partially recessed.
The expanding structure 642 comprises a first rotating rod 421, a connecting sleeve 422, expanding cloth 423, a fixing head 424 and a supporting frame 425;
the first rotating rod 421 is rotatably connected in the support frame 641, and the first rotating rod 421 selects a screw rod for installation and support between the connecting sleeve 422 and the fixing head 424;
the connecting sleeve 422 is sleeved outside the first rotating rod 421 in a sliding manner, and the connecting sleeve 422 is rotatably connected with the first rotating rod 421 through threads;
the fixing head 424 is fixedly connected to the upper end of the first rotating rod 421, and the upper end of the first rotating rod 421 is rotatably connected with the fixing head 424;
the spreading cloth 423 is hinged to the fixing head 424, and the spreading cloth 423 surrounds the outer wall of the fixing head 424 by taking the fixing head 424 as a circle center;
and the supporting frame 425 is hinged between the inner wall of the spreading cloth 423 and the connecting sleeve 422 and used for realizing the opening and closing of the spreading cloth 423.
That is to say, the first rotating rod 421 rotates clockwise, so as to drive the connecting sleeve 422 to slide upwards, and the supporting frame 425 is unfolded outwards, and therefore the spreading cloth 423 is driven to be spread, so that the spreading cloth 423 is abutted against the inner walls of the upper end surfaces of the first protruding part 361 and the second protruding part 362, and according to the spreading area of the spreading cloth 423, the full contact between the spreading cloth 423 and the inner walls of the upper end surfaces of the first protruding part 361 and the second protruding part 362 can be effectively ensured.
In order to provide power for rotating the first rotating rod 421, a second motor 190, a transmission gear 191, a transmission rod 192 and a driven gear 193 are arranged inside the support table 417;
the second motor 190 is fixedly connected to the inner wall of the upper end of the support table 417 and is used for providing power for rotating the transmission gear 191;
the transmission gear 191 is rotatably connected to the right end of the second motor 190;
the driven gear 193 is rotatably connected to the right side of the transmission gear 191, and the driven gear 193 and the transmission gear 191 are meshed for rotation;
and the transmission rod 192 is rotatably sleeved in the driven gear 193, and the upper end of the transmission rod 192 is fixedly connected to the bottom end of the first rotating rod 421.
That is, the second motor 190 is operated to drive the second transmission gear 191 to rotate, so that the driven gear 193 rotates, thereby driving the transmission rod 192 to rotate, and thus driving the first transmission rod 421 to rotate.
In practical operation of the embodiment of the application, the transmission rod 192 rotates to drive the first rotating rod 421 to rotate, so that the connection sleeve 422 is driven to slide upwards, the support frame 425 is unfolded outwards, the spreading cloth 423 is driven to be spread, the spreading cloth 423 is propped against the inner walls of the upper end faces of the first protruding portion 361 and the second protruding portion 362, and then the spreading structure 642 is moved upwards to jack up the upper end faces of the first protruding portion 361 and the second protruding portion 362.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages: according to the strutting cloth, after the strutting cloth is propped open, the strutting structure can be effectively ensured to be fully contacted with the inner walls of the upper end surfaces of the first bulge part and the second bulge part, so that the upper end surfaces of the first bulge part and the second bulge part are fully jacked up and play a supporting role, and the situation that the upper end surfaces of the first bulge part and the second bulge part are partially sunken is avoided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a hydraulic press for tubular metal resonator punching press, includes base, left vaulting pole, fixed establishment, right vaulting pole, bearing platform, its characterized in that:
the base is used for mounting and supporting the left support rod and the right support rod;
the left stay bar is fixedly connected to the left side of the upper end of the base;
the right stay bar is fixedly connected to the right side of the upper end of the base;
the fixing mechanism is connected to the right end of the left support rod in a sliding manner and used for fixing the metal pipe; the fixing mechanism comprises a moving rod, an installation seat, a first rotating rod, a second rotating rod, a triangular plug block and an opening and closing mechanism;
the moving rod is connected to the right end of the left support rod in a sliding manner;
the mounting seat is fixedly connected to the right end of the movable rod;
the first rotating rod is rotatably connected to the mounting seat and rotates towards the left side;
the second rotating rod is rotatably connected to the mounting seat, rotates towards the right side and is coaxial with the first rotating rod;
the triangular plug block is fixedly connected to the right end of the second bottom side of the rotating rod and used for plugging a gap between the metal pipe and the stamping platform;
the opening and closing mechanism is fixedly connected between the first rotating rod and the second rotating rod and is used for opening and closing the first rotating rod and the second rotating rod;
and the bearing platform is fixedly connected to the upper ends of the left support rod and the right support rod.
2. A hydraulic machine for the stamping of metal tubes, as claimed in claim 1, wherein: the two fixing mechanisms are arranged, and the other fixing mechanism is connected to the left end of the right supporting rod in a sliding mode relative to the base.
3. A hydraulic machine for the stamping of metal tubes, as claimed in claim 1, wherein: the opening and closing mechanism comprises a hydraulic rod, a fixed seat, a first transmission rod, a first connecting seat, a second transmission rod and a second connecting seat;
the hydraulic rod is fixedly connected to the bottom end of the mounting seat and used for realizing the opening and closing of the first transmission rod and the second transmission rod;
the fixed seat is fixedly connected to the bottom end of the hydraulic rod;
the first transmission rod is rotatably connected to the fixed seat and rotates to the left side;
the first connecting seat is fixedly connected to the bottom end of the first transmission rod, and the left end of the first connecting seat is fixedly connected to the right end of the first rotating rod;
the transmission rod II is rotatably connected to the fixed seat, and the transmission rod rotates towards the right side;
and the second connecting seat is fixedly connected to the bottom end of the second transmission rod, and the right end of the second connecting seat is fixedly connected to the left end of the second rotating rod.
4. A hydraulic machine for the stamping of metal tubes, as claimed in claim 1, wherein: the stamping device is characterized in that the upper end of the base is fixedly connected with a stamping platform, the stamping platform is located between the left support rod and the right support rod, and an arc-shaped groove is formed in the stamping platform and used for placing a metal pipe.
5. A hydraulic machine for the stamping of metal tubes, as claimed in claim 1, wherein: the triangular plug block comprises a first protruding part, a second protruding part, a triangular head and a jacking structure;
the first bulge part is fixedly connected to the right end of the bottom side of the second rotating rod;
the second bulge part is fixedly connected to the right end of the first bulge part;
the triangular head is fixedly connected to the right end of the second bulge and is used for being plugged into a gap between the metal pipe and the stamping platform;
and the two jacking structures are fixedly connected in the first bulge part and the second bulge part respectively and used for jacking the upper end surfaces of the first bulge part and the second bulge part so as to enable the triangular plug block to be attached to the outer wall of the metal pipe.
6. A hydraulic machine for the stamping of metal tubes, according to claim 5, wherein: the upper end surfaces of the first protruding portion and the second protruding portion are both set to be inwards concave elastic surfaces, and the concave radian of the second protruding portion is smaller than that of the first protruding portion, so that the jacked radian of the first protruding portion is larger than that of the second protruding portion.
7. A hydraulic machine for the stamping of metal tubes, according to claim 5, wherein: the jacking structure comprises a supporting frame and a propping structure;
the supporting frame is fixedly connected to the inner parts of the first protruding part and the second protruding part respectively and used for supporting the distraction structure;
the opening structure is connected in the supporting frame in a sliding mode and used for jacking the upper end surfaces of the first protruding part and the second protruding part upwards; the spreading structure comprises a first rotating rod, a connecting sleeve, spreading cloth, a fixing head and a supporting frame;
the first rotating rod is rotatably connected in the supporting frame, and the first rotating rod selects a screw rod and is used for mounting and supporting between the connecting sleeve and the fixing head;
the connecting sleeve is sleeved outside the first rotating rod in a sliding mode, and the connecting sleeve is rotatably connected with the first rotating rod through threads;
the fixed head is fixedly connected to the upper end of the first rotating rod, and the upper end of the first rotating rod is rotatably connected between the fixed heads;
the spreading cloth is hinged to the fixed head and surrounds the outer wall of the fixed head for a circle by taking the fixed head as a circle center;
the support frame is hinged between the inner wall of the spreading cloth and the connecting sleeve and used for realizing the opening and closing of the spreading cloth.
8. A hydraulic machine for the stamping of metal tubes, as claimed in claim 7, wherein: the bottom end in the supporting frame is fixedly connected with a transmission base which is used for driving the distraction mechanism to move up and down, and the transmission base comprises a fixed base, a connecting rod, a sliding sleeve, an installation block, a motor I, a rotating rod II and a supporting table;
the fixed base is fixedly connected to the bottom end inside the supporting frame;
the connecting rod is rotatably connected to the upper end of the fixed base;
the sliding sleeve is rotatably connected to the left end of the connecting rod;
the second rotating rod is transversely and rotatably connected in the sliding sleeve, and the second rotating rod is rotatably connected with the sliding sleeve;
the first motor is fixedly connected to the right end of the second rotating rod and used for providing power for rotation of the second rotating rod;
the supporting table is fixedly connected to the upper end of the motor, and the distraction structure is fixedly connected to the upper end of the supporting table;
and the mounting block is fixedly connected to the left side of the bottom end of the supporting table and is rotatably connected with the second rotating rod.
9. A hydraulic machine for the stamping of metal tubes as claimed in claim 8, wherein: a motor II, a transmission gear, a transmission rod and a driven gear are arranged in the support table;
the motor II is fixedly connected to the inner wall of the upper end of the support table and used for providing power for rotation of the transmission gear;
the transmission gear is rotationally connected to the right end of the second motor;
the driven gear is rotationally connected to the right side of the transmission gear, and the driven gear and the transmission gear are meshed for rotation;
and the transmission rod is rotatably sleeved in the driven gear, and the upper end of the transmission rod is fixedly connected to the bottom end of the first rotating rod and used for driving the first rotating rod to rotate, so that the opening and closing of the umbrella supporting cloth are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828810.6A CN113275451A (en) | 2021-07-22 | 2021-07-22 | Hydraulic press for metal pipe stamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828810.6A CN113275451A (en) | 2021-07-22 | 2021-07-22 | Hydraulic press for metal pipe stamping |
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| Publication Number | Publication Date |
|---|---|
| CN113275451A true CN113275451A (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110828810.6A Pending CN113275451A (en) | 2021-07-22 | 2021-07-22 | Hydraulic press for metal pipe stamping |
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Application publication date: 20210820 |