CN212494857U - Forming equipment for hemispherical dome and square dome ventilation connecting pipe - Google Patents
Forming equipment for hemispherical dome and square dome ventilation connecting pipe Download PDFInfo
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- CN212494857U CN212494857U CN202021028771.9U CN202021028771U CN212494857U CN 212494857 U CN212494857 U CN 212494857U CN 202021028771 U CN202021028771 U CN 202021028771U CN 212494857 U CN212494857 U CN 212494857U
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Abstract
The utility model provides a former of sky circle local ventilation takeover belongs to mechanical technical field. This former includes the frame, the cylinder that the depression bar and the control depression bar at frame top carry out the preforming is connected, it is articulated through the round pin axle between hinged end and the frame, the fixed installation pole that is provided with on the push rod of accuse cylinder, the middle part of installation pole articulates there is the plectrum, the lower extreme and the installation pole of plectrum are articulated, be connected with a pressure spring between the upper end of plectrum and the installation pole, the fixed spacing arch that is located the installation pole lower extreme that is provided with on the control end, spacing arch can support with the lower terminal surface of plectrum and lean on, still be connected with a reset spring between control end and the frame, reset spring's lower extreme is the free end, reset spring's lower extreme can support and lean on in the frame, the fixed certain point spring strip that is provided with in the frame. The utility model has the advantages of can high-efficiently process out the sky circle local ventilation takeover.
Description
Technical Field
The utility model belongs to the technical field of machinery, a former of sky circle local ventilation takeover is related to.
Background
The connecting piece is used in many fields, for example, as a connecting part of a dust falling pipe and a water pump connecting pipe in the fields of drainage, dust falling and the like, and the connecting piece is structurally a two-way pipeline, one side of the two-way pipeline is square, and the other side of the two-way pipeline is circular and is used for connecting different connectors at two ends.
Chinese patent No. CN201110066996.2 discloses a manufacturing method of a round-top connecting piece, which is to perform pressing in a scattering manner toward the other side by using two quarter points in the middle of a sheet located at one side as fixed points, so as to make one end of a round hole generate dense indentations and gather toward one end of a square opening to the crease of the square opening.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem that exists to current technique, provide a former of sky circle local ventilation takeover, the utility model discloses the technical problem that will solve is how the shaping of how the sky circle local ventilation takeover is accomplished to the efficient.
The purpose of the utility model can be realized by the following technical proposal: the forming equipment for the hemispherical dome ventilation connecting pipe is characterized by comprising a rack, a pressure rod connected to the top of the rack and an air cylinder for controlling the pressure rod to perform tabletting, wherein the two ends of the pressure rod are respectively a hinged end and a control end, the hinged end is hinged with the rack through a pin shaft, an installation rod is fixedly arranged on a push rod of the air cylinder, a shifting sheet is hinged to the middle of the installation rod, the lower end of the shifting sheet is hinged with the installation rod, a compression spring is connected between the upper end of the shifting sheet and the installation rod, a limiting bulge positioned at the lower end of the installation rod is fixedly arranged on the control end, the limiting bulge can abut against the lower end face of the shifting sheet, a reset spring is further connected between the control end and the rack, the lower end of the reset spring is a free end, the lower end of the reset spring can abut against the rack, and a fixed-point spring strip is fixedly arranged on the rack, the fixed point spring bar can press the metal sheet to be processed on the machine frame in a point contact manner.
In foretell former of square ventilation takeover of sky circle, the fixed position that is close to the hinged end on the depression bar is provided with a mounting bar, it is connected with two drive gears to rotate on the mounting bar, and one of them drive gear is one-way gear, is connected with a cingulum between two drive gears, it walks the material gear to rotate to be connected with one in the frame, the lateral surface of cingulum has a plurality of can with walk the protruding muscle of material gear engagement.
In the forming equipment for the hemispherical dome ventilation connecting pipe, the lower end of the pressing rod is provided with a pressing strip, and a plurality of notches are arranged on the pressing strip at equal intervals.
In the above forming apparatus for the skyline-square ventilating duct, the poking sheet is rotatably connected to the frame through a rotating shaft, and a knob is fixedly arranged on the rotating shaft.
The metal sheet to be processed is arranged between the press rod and the rack, a support bar corresponding to the press rod is arranged on the rack, a fixed point spring bar compresses one of four dividing positions of the metal sheet in the middle, the metal sheet can only rotate around the fixed point, in an initial state, the metal sheet inclines to an intersection point of two mutually vertical edges of the press rod passing through the metal sheet, the cylinder is started to intermittently push and pull, when a push rod of the cylinder moves downwards, a poking piece impacts a limiting bulge, a control end of the press rod moves downwards, the press rod swings around a hinge point to impact the metal sheet, the press rod resets under the action of a reset spring and does reciprocating motion under the action of the cylinder, and the motion amplitude is weakened until the push rod of the cylinder moves upwards.
In the process of downward swinging of the pressure lever, the toothed belt cannot rotate relative to the driving gear under the action of the one-way bearing, so that the convex ribs on the outer side surface of the rack can act on the feeding gear, the feeding gear rotates, the metal sheet swings at a certain inclination angle around the positioning points, when the pressure lever moves downwards at full range, the inclination angle is about 1 degree, in the process of reciprocating and gradually-weakening swinging of the pressure lever, namely when the air cylinder does not act on the pressure lever, the pressure lever can also impact the metal sheet for multiple times, the metal sheet also rotates within the range of 1-2 degrees in the process until the air cylinder acts on the pressure lever, and in the gap acted by the air cylinder, the pressure lever forms one-time heavy pressure and multiple-weakened impacts on the metal sheet to form continuous and gradually-changed indentations on the metal sheet, so that the efficiency can be increased, the round opening end of the vent pipe at the dome position can be smooth and not easily rebound after molding, the processing of the welding edge and the thicker metal sheet is facilitated.
After a quarter position is fixed, the pressure lever causes scattering indentations which are symmetrically distributed on two sides of the positioning point on the metal sheet, after the scattering indentations are formed, the pressure lever is lifted up, the metal sheet is taken out, the metal sheet is rotated by 180 degrees, the metal sheet is inserted between the pressure lever and the rack from the other side, the other quarter position located in the middle is positioned again through the fixed point reed, then the previous process is repeatedly performed, and after the positioning is completed, the whole metal sheet is processed.
The knob is used for preventing the poking sheet from limiting the insertion of the pressure lever when the pressure lever is installed again after the pressure lever is lifted.
The feeding gear is a plastic wheel, when the metal sheet is arranged below the pressure rod, the edge of the metal sheet is abutted against the feeding gear, but the abutted part only occupies about one quarter of the feeding gear, other parts are matched with the toothed belt, and the rotation of the feeding gear can enable the metal sheet abutted against the feeding gear to swing around a positioning point to complete the continuous switching of the stamping position.
The pressing bar below the pressing bar is provided with a huge notch, the pressing bar is provided with a sliding groove, the pressing bar is connected in the sliding groove in a sliding manner, the sliding groove is consistent with the length direction of the pressing bar, the pressing bar can move along the length direction of the pressing bar, a reed is respectively arranged between the two ends of the pressing bar and the end part of the pressing groove, when the pressing bar is close to a metal sheet at different accelerated speeds, the acting force of the pressing bar on the reed is different, the position of the notch on the lower side of the pressing bar is changed, the acting points acting on the metal sheet are not on the same straight line, the indentation of the pipe wall of the vent connecting pipe at the dome is not obvious, the integral flatness is good.
Drawings
Fig. 1 is a schematic structural view of the molding apparatus in an operating state.
Fig. 2 is a schematic structural view of the present molding apparatus at the time of mounting a metal sheet.
Fig. 3 is a schematic view of the connection structure of the control end of the pressure lever and the frame.
Fig. 4 is an enlarged view of a portion a in fig. 2.
Fig. 5 is a schematic illustration of the distribution of the indentations on the metal sheet.
Fig. 6 is a schematic perspective view of the skyline vent pipe.
Fig. 7 is a schematic perspective view of the feeding gear and the toothed belt.
In the figure, 1, a frame; 2. a pressure lever; 21. a hinged end; 22. a control end; 23. layering; 24. a notch; 3. a cylinder; 41. mounting a rod; 42. a shifting sheet; 43. a compression spring; 44. a limiting bulge; 45. a return spring; 46. a fixed point spring bar; 47 a knob; 51. mounting a bar; 52. a drive gear; 53. a toothed belt; 54. a feeding gear; 55. a rib is protruded; 6 metal sheet.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 7, the molding apparatus includes a frame 1, a press rod 2 connected to the top of the frame 1, and a cylinder 3 for controlling the press rod 2 to perform tablet pressing, the two ends of the press rod 2 are respectively a hinged end 21 and a control end 22, the hinged end 21 is hinged to the frame 1 through a pin, a mounting rod 41 is fixedly disposed on a push rod of the cylinder 3, a dial 42 is hinged to the middle of the mounting rod 41, the lower end of the dial 42 is hinged to the mounting rod 41, a compression spring 43 is connected between the upper end of the dial 42 and the mounting rod 41, a limit protrusion 44 located at the lower end of the mounting rod 41 is fixedly disposed on the control end 22, the limit protrusion 44 can abut against the lower end surface of the dial 42, a return spring 45 is further connected between the control end 22 and the frame 1, the lower end of the return spring 45 is a free end, the lower end of the return spring 45 can abut against the frame 1, a fixed point, the spring element 46 is able to press the metal sheet 6 to be processed against the machine frame 1 at a point.
The position that is close to hinged end 21 on depression bar 2 is fixed and is provided with a mounting bar 51, rotates on mounting bar 51 and is connected with two drive gears 52, and one of them drive gear 52 is the unidirectional gear, is connected with a cingulum 53 between two drive gears 52, rotates on frame 1 and is connected with a material walking gear 54, and the lateral surface of cingulum 53 has a plurality of protruding muscle 55 that can with material walking gear 54 meshing.
The lower end of the pressure lever 2 is provided with a pressing bar 23, and the pressing bar 23 is provided with a plurality of notches 24 at equal intervals. The shifting piece 42 is rotatably connected to the frame 1 through a rotating shaft, and a knob 47 is fixedly arranged on the rotating shaft.
The metal sheet 6 to be processed is placed between the press rod 2 and the rack 1, the rack 1 is provided with a supporting strip corresponding to the press rod 2, the fixed point spring strip 46 compresses one of four corners of the middle of the metal sheet 6, so that the metal sheet 6 can only rotate around the fixed point, in an initial state, the metal sheet 6 inclines to the intersection point of two mutually vertical edges of the press rod 2 through the metal sheet 6, the cylinder 3 is started to intermittently push and pull, when a push rod of the cylinder 3 moves downwards, the poking sheet 42 impacts the limiting bulge 44 to move the control end 22 of the press rod 2 downwards, the press rod 2 swings around the hinge point to impact the metal sheet 6, the press rod 2 is reset under the action of the reset spring 45 and does reciprocating motion under the condition of not being acted by the cylinder 3, and the motion amplitude is in a weakened state until the push rod of the cylinder 3 moves upwards.
In the process of swinging down the press rod 2, the toothed belt 53 is acted by a one-way bearing and can not rotate relative to the driving gear 52, so that the convex rib 55 on the outer side surface of the rack can act on the feeding gear 54, the feeding gear 54 rotates, the metal sheet 6 swings at a certain inclination angle around a positioning point, when the press rod 2 moves down fully, the inclination angle is about 1 degree, in the process of reciprocating and gradually weakening swing of the press rod 2, namely when the cylinder 3 does not act on the press rod, the press rod 2 can also impact the metal sheet 6 for a plurality of times, the metal sheet 6 also rotates within the range of 1-2 degrees in the process until the cylinder 3 acts, in the gap acted by the cylinder 3, the press rod 2 forms one-time heavy pressure and a plurality of weakened impacts on the metal sheet 6, and forms continuous and gradually-changed indentations on the metal sheet 6, thus, the efficiency can be increased, and the round end contour of a round vent pipe can be flattened, the formed metal sheet is not easy to rebound, and is beneficial to processing of welding edges and thicker metal sheets 6.
After a point is fixed at one quarter position, the pressure lever 2 causes scattering indentations symmetrically distributed on two sides of the positioning point on the metal sheet 6, after the scattering indentations are formed, the pressure lever 2 is lifted up, the metal sheet 6 is taken out, the metal sheet 6180 is rotated, the metal sheet 6 is inserted between the pressure lever 2 and the rack 1 from the other side, the other quarter position in the middle is positioned again through the positioning spring, then the previous processes are repeatedly performed, and after the positioning is completed, the whole metal sheet 6 is processed.
The knob 47 is provided to prevent the pusher 42 from restricting the insertion of the plunger 2 when the plunger 2 is re-attached after the plunger 2 is lifted.
The feeding gear 54 is a plastic wheel, when the metal sheet 6 is placed under the press rod 2, the edge of the metal sheet 6 is abutted against the feeding gear 54, but the abutted part only occupies about a quarter of the feeding gear 54, and the other parts are used for being matched with the toothed belt 53, and the rotation of the feeding gear 54 can lead the metal sheet 6 abutted against the feeding gear 54 to swing around a positioning point, thereby completing the continuous switching of the punching position.
The huge breach 24 has on the layering 23 of depression bar 2 below, the depression bar 2 has the spout, layering 23 sliding connection is in the spout, the length direction of spout and layering 23 is unanimous, make layering 23 can be with the length direction drunkenness of depression bar 2, have a reed between the both ends of layering 23 and the tip of indent respectively, when depression bar 2 is close to sheet metal 6 with different accelerations, the effort of layering 23 to the reed is different, make the position of breach 24 of layering 23 downside change, thereby make the impetus that acts on sheet metal 6 not on same straight line, make the pipe wall indentation of the dome place ventilation takeover not so obvious, the whole roughness is better, crooked transition is comparatively gentle.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The forming equipment for the hemispherical ventilated connecting pipe is characterized by comprising a rack (1), a pressure rod (2) connected to the top of the rack (1) and a cylinder (3) for controlling the pressure rod (2) to perform tabletting, wherein the two ends of the pressure rod (2) are respectively a hinged end (21) and a control end (22), the hinged end (21) is hinged with the rack (1) through a pin shaft, a mounting rod (41) is fixedly arranged on a push rod of the cylinder (3), a shifting piece (42) is hinged to the middle of the mounting rod (41), the lower end of the shifting piece (42) is hinged with the mounting rod (41), a compression spring (43) is connected between the upper end of the shifting piece (42) and the mounting rod (41), a limiting bulge (44) positioned at the lower end of the mounting rod (41) is fixedly arranged on the control end (22), and the limiting bulge (44) can be abutted against the lower end surface of the shifting piece (42), still be connected with a reset spring (45) between control end (22) and frame (1), the lower extreme of reset spring (45) is the free end, the lower extreme of reset spring (45) can support and lean on in frame (1), fixed being provided with a fixed point spring strip (46) on frame (1), fixed point spring strip (46) can be with waiting to process sheet metal (6) point contact sticiss on frame (1).
2. The forming equipment of a skyline and square ventilation connecting pipe as claimed in claim 1, wherein a mounting strip (51) is fixedly arranged on the pressure lever (2) close to the hinged end (21), two driving gears (52) are rotatably connected to the mounting strip (51), one of the driving gears (52) is a one-way gear, a toothed belt (53) is connected between the two driving gears (52), a feeding gear (54) is rotatably connected to the rack (1), and a plurality of convex ribs (55) capable of being meshed with the feeding gear (54) are arranged on the outer side surface of the toothed belt (53).
3. The forming equipment of the hemispherical dome vent connecting pipe according to claim 2, wherein a pressing strip (23) is arranged at the lower end of the pressing rod (2), and a plurality of notches (24) are arranged on the pressing strip (23) at equal intervals.
4. The forming device of the skyline-earth ventilation connecting pipe as claimed in claim 1, 2 or 3, characterized in that the shifting piece (42) is rotatably connected to the frame (1) through a rotating shaft, and a knob (47) is fixedly arranged on the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021028771.9U CN212494857U (en) | 2020-06-05 | 2020-06-05 | Forming equipment for hemispherical dome and square dome ventilation connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021028771.9U CN212494857U (en) | 2020-06-05 | 2020-06-05 | Forming equipment for hemispherical dome and square dome ventilation connecting pipe |
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| Publication Number | Publication Date |
|---|---|
| CN212494857U true CN212494857U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021028771.9U Active CN212494857U (en) | 2020-06-05 | 2020-06-05 | Forming equipment for hemispherical dome and square dome ventilation connecting pipe |
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| CN (1) | CN212494857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618171A (en) * | 2020-06-05 | 2020-09-04 | 天津科瑞嘉（湖北）机电技术有限公司 | Forming equipment for hemispherical dome and square dome ventilation connecting pipe |
-
2020
- 2020-06-05 CN CN202021028771.9U patent/CN212494857U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618171A (en) * | 2020-06-05 | 2020-09-04 | 天津科瑞嘉（湖北）机电技术有限公司 | Forming equipment for hemispherical dome and square dome ventilation connecting pipe |
| CN111618171B (en) * | 2020-06-05 | 2024-06-21 | 天津科瑞嘉（湖北）机电技术有限公司 | Forming equipment for round-sky-square-earth ventilation connecting pipe |
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