CN211679472U - Metal plate flanging device - Google Patents
Metal plate flanging device Download PDFInfo
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- CN211679472U CN211679472U CN201922438934.4U CN201922438934U CN211679472U CN 211679472 U CN211679472 U CN 211679472U CN 201922438934 U CN201922438934 U CN 201922438934U CN 211679472 U CN211679472 U CN 211679472U
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Abstract
The utility model discloses a metal plate flanging device, wherein the lower end of a thimble spring is propped against the lower end wall of a shell; a male die shaft of the male die is inserted into the thimble spring, and the lower end of the male die shaft is positioned in the center of the lower end wall of the shell; the head of the circular plate of the male die is pressed on the upper end of the thimble spring; the male die thimble is positioned right above the head of the male die circular plate; the lower end of the compression spring is fixed to the male die thimble, and the upper end of the compression spring is fixed to the thimble connecting plate; the lower end of the thimble connecting shaft is fixed on the thimble connecting rod plate, and the upper end of the thimble connecting shaft penetrates out of the upper end wall of the shell and is fixed on the button; the left end and the right end of the thimble connecting rod plate are respectively provided with a guide groove; the upper parts of the two connecting rods are respectively fixed on the inner walls of two sides of the upper part of the shell in a pivoting way; the middle part of the connecting rod forms an inclined plane, and the lower end of the connecting rod forms a claw which extends to the inner side; under the natural state, the guide grooves at the left end and the right end of the thimble connecting rod plate are respectively clamped at the upper parts of the inclined planes of the two connecting rods; the hook claws at the lower ends of the two connecting rods are respectively hooked at the edge part of the lower side surface of the circular plate-shaped linkage part of the ejector pin of the male die. The metal plate flanging device is small in structure and convenient to carry and use.
Description
Technical Field
The utility model relates to a panel beating instrument, in particular to panel beating turnup ware.
Background
In the production and processing process of the sheet metal part, the following methods are mainly used for processing the threaded hole on the sheet metal part:
and (I) flanging the sheet metal part by using a numerical control punch and matching a die, and then tapping by using a drilling machine. The method is suitable for industrial large-scale processing, but some enterprises with smaller scale may not be provided with a sheet metal flanging die, and only through holes can be punched on the plate by a punch press, and then a nut pressing and riveting or spot welding process is used, so that the process flow and materials are increased, and the operation cost of the enterprises is correspondingly increased.
And (II) pressing and riveting the nut by using an air pressure riveting machine. The method is suitable for the plate processed by a punch press or laser and needs to be matched with a bending process for use. When designing a product, the situation that the hole site cannot meet the processing range of the riveting machine or the situation that the riveting process conflicts with the bending process occurs, which is not beneficial to product design and product processing.
And (III) spot welding the nut. To the hole site that can't turn-ups handle, can't use the riveter, can use spot welding nut usually, nevertheless because of the nut is less, the unable fine assurance nut welding position of welding process, and the welding slag that produces during the welding probably blocks up the hole site or influences the sheet metal component appearance, is unfavorable for production and processing.
In the process of product research and development, a multi-version prototype is usually required to be manufactured, and the speed and quality of prototype manufacturing are related to the progress of a project and the performance test of a product. The manufacturing prototype is different from large-batch processing, the starting of processing equipment is related to the production cost, and for the characteristics of few manufacturing pieces and various types of prototypes, small-sized processing equipment can be used for processing, so that the time cost and the equipment use and maintenance cost can be saved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a panel beating flanging ware, the structure is small and exquisite, carries convenient to use.
In order to solve the technical problem, the utility model provides a sheet metal flanging device, which comprises a shell 1, a thimble spring 21, a compression spring 22, a male die 3, a male die thimble 4, a thimble connecting rod plate 5, a thimble connecting shaft 52, a button 6 and a connecting rod 7;
the thimble spring 21 and the compression spring 22 are both coil springs;
the lower end wall of the shell 1 is circular;
the outer diameter of the thimble spring 21 is larger than the inner diameter of the lower end wall of the shell 1;
the male die 3 comprises a circular plate head and a male die shaft which are coaxially combined together;
the outer diameter of the head part of the circular plate is larger than that of the thimble spring 21;
the maximum outer diameter of the convex die shaft is smaller than the inner diameter of the thimble spring 21;
the thimble spring 21 is placed in the shell 1, and the lower end of the thimble spring abuts against the lower end wall of the shell 1;
the male die shaft of the male die 3 is inserted into the ejector pin spring 21, and the lower end of the male die shaft is positioned in the center of the lower end wall of the shell 1;
the head of the circular plate of the convex die 3 is pressed on the upper end of the thimble spring 21;
the male die thimble 4 comprises a disc-shaped linkage part and a cylindrical impact part which are coaxially combined together;
the outer diameter of the disc-shaped linkage part is smaller than that of the cylindrical impact part;
the cylindrical impact part of the male die thimble 4 is positioned right above the circular plate head part of the male die 3;
the lower end of the compression spring 22 is fixed at the central position of the upper side surface of the circular plate-shaped linkage part of the punch thimble 4, and the upper end of the compression spring is fixedly connected with the central position of the lower side surface of the thimble connecting rod plate 5;
the lower end of the thimble connecting shaft 52 is fixed at the central position of the upper side surface of the thimble connecting rod plate 5;
the upper end of the thimble connecting shaft 52 penetrates out of the upper end wall of the shell 1 and is fixed to the button 6;
the left end and the right end of the thimble connecting rod plate 5 are respectively provided with a guide groove 51;
the upper parts of the two connecting rods 7 are respectively fixed to connecting rod shaft holes 11 arranged on the inner walls of the two sides of the upper part of the shell 1 in a pivoting way through connecting rod pin shafts 73;
the middle part of the connecting rod 7 is provided with a bevel 71 which gradually protrudes inwards from top to bottom;
a claw 72 which extends inwards is formed at the lower end of the connecting rod 7;
in a natural state, the guide grooves 51 at the left and right ends of the thimble connecting rod plate 5 are respectively clamped at the upper parts of the inclined planes 71 of the two connecting rods 7; the hook claws 72 at the lower ends of the two connecting rods 7 are respectively hooked at the edge part of the lower side surface of the circular plate-shaped linkage part of the punch thimble 4.
Preferably, the sheet metal flanging device further comprises a button spring 23;
the button spring 23 is sleeved outside the thimble connecting shaft 52;
the lower end of the button spring 23 is fixed on the upper side of the thimble connecting rod plate 5, and the upper end is fixed on the lower side of the upper end wall of the shell 1.
Preferably, the sheet metal flanging device further comprises a connecting rod spring 24;
the link spring 24 is a coil spring;
the link spring 24 has one end abutting against the inner wall of the upper portion of the housing 1 and the other end abutting against the rear side of the upper portion of the link 7 and located above the link pin 73.
Preferably, the upper end and the lower end of the compression spring 22 are respectively welded and fixed with the ejector pin connecting rod plate 5 and the circular plate-shaped linkage part of the punch ejector pin 4;
the upper end and the lower end of the button spring 23 are respectively welded and fixed with the lower side surface of the upper end wall of the shell 1 and the upper side surface of the thimble connecting rod plate 5.
Preferably, the housing 1 is formed by fastening a left piece and a right piece, and is fastened by using bolts.
Preferably, the metal plate flanging device further comprises a female die 9;
the female die 9 is provided with a flanging female die hole site 911 adapted to the male die shaft of the male die 3.
Preferably, the male die shaft of the male die 3 is in an N-level stepped shape in which the outer diameter gradually decreases from top to bottom, and N is a positive integer;
the female die 9 is provided with N +1 flanging female die hole sites 911 which are matched with the male die shaft of the male die 3 in different outer diameters.
Preferably, the female die 9 comprises a female die base 90 and a combined female die 91;
the combined female die 91 is provided with N +1 types of flanging female die hole positions 911;
the upper end surface of the female die base 90 is correspondingly provided with N +1 convex shafts 901;
the lower end of the female die spring 92 is fixed on the convex shaft 901 of the female die base 90, the female die spring 92 penetrates through the corresponding flanging female die hole position 911 of the combined female die 91, and the upper end of the female die spring is fixed on the gasket 921.
Preferably, the female die base 90 and the combined female die 91 are fastened together by using bolts;
the lower end of the female die spring 92 is welded and fixed on the convex shaft 901 of the female die base 90, and the upper end is welded and fixed on the gasket 921.
Preferably, N is 1,2, 3 or 4.
Preferably, the sheet metal flanging device further comprises an adjustable supporting seat 8;
the adjustable supporting seat 8 is in a circular tube shape;
the pipe wall of the adjustable supporting seat 8 is provided with an axial communicating groove 81 and a plurality of circumferential notches 82 which are arranged up and down, and one ends of the circumferential notches 82 on the same side are communicated with the communicating groove 81;
the distance between the adjacent circumferential notches is matched with the height of each corresponding step of the convex die shaft of the convex die 3;
a fixed pin shaft 13 is arranged on the outer side surface of the lower part of the shell 1;
the internal diameter of adjustable supporting seat 8 is with 1 bottom external diameter adaptation of casing for the cover is established outside 1 bottom of casing, through making fixed pin axle 13 get into different circumference notches 82, adjust the distance of the different steps of protruding mould axle to the sheet metal component upper flank.
Preferably, the outer side surface of the bottom of the housing 1 is provided with a scale mark above the fixed pin 13, so that the adjustable support base 8 can be rotated to align the position of the fixed pin 13 entering the corresponding circumferential notch 82.
The utility model discloses a panel beating turn-ups ware, under natural state, not applying pressure to button 6, compression spring 22 is the state of stretching, and the hook 72 of two connecting rods 7 lower extreme hooks respectively at 4 disc-shaped linkage portion lower flank edge parts of terrace die thimble, restricts terrace die thimble 4 downstream, can not exert impact pressure to terrace die 3. As shown in fig. 3, when a downward force is applied to the button 6, the thimble connecting rod plate 5 is driven by the thimble connecting shaft 52 to move downward, so that the compression spring 22 is gradually compressed and deformed, when the thimble connecting rod plate 5 moves downward to the inclined plane 71 at the middle part of the connecting rod 7, the guide grooves 51 at the left end and the right end of the thimble connecting rod plate 5 push the connecting rod to rotate around the connecting rod pin 73, so as to respectively and gradually expand the lower ends of the two connecting rods 7 outward, when the hooks 72 at the lower ends of the two connecting rods 7 are separated from the circular-plate-shaped linkage part of the punch thimble 4, the punch thimble 4 is separated from the constraint of the connecting rod 7, the compression spring 22 is released, under the compressive deformation force of the compression spring 22, the punch thimble 4 can downwardly impact the punch 3, the punch shaft of the punch 3 can downwardly punch the lower end wall of the housing 1, so. The metal plate flanging device is small in structure and convenient to carry and use.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of an embodiment of the sheet metal flanging device of the present invention;
fig. 2 is a longitudinal sectional view of a sheet metal flanging device according to an embodiment of the present invention in a natural state;
fig. 3 is a longitudinal sectional view of a sheet metal flanging device according to an embodiment of the present invention in a button-pressed state;
FIG. 4 is a longitudinal cross-sectional view of a male mold of an embodiment of the metal plate flanging device of the present invention;
fig. 5 is a longitudinal sectional view of an adjustable support seat of an embodiment of the metal plate flanging device of the present invention;
fig. 6 is a transverse section view of an adjustable supporting seat of an embodiment of the metal plate flanging device of the utility model.
Description of reference numerals:
1, a shell; 11 connecting rod shaft holes; 13 fixing a pin shaft; 14 graduation lines; 21 a thimble spring; 22 a compression spring; 23 a button spring; a 24-link spring; 3, a male die; 4, a male die thimble; 5, a thimble connecting rod plate; 51 a guide groove; 52, a thimble connecting shaft; 6, a button; 7 connecting rods; 71 a bevel; 72 hook claw; 73 connecting rod pin shafts; 8, an adjustable supporting seat; 81 communicating grooves; 82 circumferential notches; 9, a female die; 90, a female die base; 901 a protruding shaft; 91 combining a female die; 911 flanging female die hole site; 92, a female die spring; 921 a gasket; 10 sheet metal parts; 101 sheet metal pre-punching.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1,2 and 3, the sheet metal flanging device comprises a shell 1, a thimble spring 21, a compression spring 22, a male die 3, a male die thimble 4, a thimble connecting rod plate 5, a thimble connecting shaft 52, a button 6 and a connecting rod 7;
the thimble spring 21 and the compression spring 22 are both coil springs;
the lower end wall of the shell 1 is circular;
the outer diameter of the thimble spring 21 is larger than the inner diameter of the lower end wall of the shell 1;
the male die 3 comprises a circular plate head and a male die shaft which are coaxially combined together;
the outer diameter of the head part of the circular plate is larger than that of the thimble spring 21;
the maximum outer diameter of the convex die shaft is smaller than the inner diameter of the thimble spring 21;
the thimble spring 21 is placed in the shell 1, and the lower end of the thimble spring abuts against the lower end wall of the shell 1;
the male die shaft of the male die 3 is inserted into the ejector pin spring 21, and the lower end of the male die shaft is positioned in the center of the lower end wall of the shell 1;
the head of the circular plate of the convex die 3 is pressed on the upper end of the thimble spring 21;
the male die thimble 4 comprises a disc-shaped linkage part and a cylindrical impact part which are coaxially combined together;
the outer diameter of the disc-shaped linkage part is smaller than that of the cylindrical impact part;
the cylindrical impact part of the male die thimble 4 is positioned right above the circular plate head part of the male die 3;
the lower end of the compression spring 22 is fixed at the central position of the upper side surface of the circular plate-shaped linkage part of the punch thimble 4, and the upper end of the compression spring is fixedly connected with the central position of the lower side surface of the thimble connecting rod plate 5;
the lower end of the thimble connecting shaft 52 is fixed at the central position of the upper side surface of the thimble connecting rod plate 5;
the upper end of the thimble connecting shaft 52 penetrates out of the upper end wall of the shell 1 and is fixed to the button 6;
the left end and the right end of the thimble connecting rod plate 5 are respectively provided with a guide groove 51;
the upper parts of the two connecting rods 7 are respectively fixed to connecting rod shaft holes 11 arranged on the inner walls of the two sides of the upper part of the shell 1 in a pivoting way through connecting rod pin shafts 73;
the middle part of the connecting rod 7 is provided with a bevel 71 which gradually protrudes inwards from top to bottom;
a claw 72 which extends inwards is formed at the lower end of the connecting rod 7;
in a natural state, the guide grooves 51 at the left and right ends of the thimble connecting rod plate 5 are respectively clamped at the upper parts of the inclined planes 71 of the two connecting rods 7; the hook claws 72 at the lower ends of the two connecting rods 7 are respectively hooked at the edge part of the lower side surface of the circular plate-shaped linkage part of the punch thimble 4.
As shown in fig. 2, in the sheet metal flanging device according to the first embodiment, in a natural state, no pressure is applied to the button 6, the compression spring 22 is in an extended state, and the hooks 72 at the lower ends of the two links 7 are respectively hooked at the edge of the lower side surface of the disc-shaped linkage portion of the punch thimble 4 to limit the punch thimble 4 from moving downward, and no impact pressure is applied to the punch 3. As shown in fig. 3, when a downward force is applied to the button 6, the thimble connecting rod plate 5 is driven by the thimble connecting shaft 52 to move downward, so that the compression spring 22 is gradually compressed and deformed, when the thimble connecting rod plate 5 moves downward to the inclined plane 71 at the middle part of the connecting rod 7, the guide grooves 51 at the left end and the right end of the thimble connecting rod plate 5 push the connecting rod to rotate around the connecting rod pin 73, so as to respectively and gradually expand the lower ends of the two connecting rods 7 outward, when the hooks 72 at the lower ends of the two connecting rods 7 are separated from the circular-plate-shaped linkage part of the punch thimble 4, the punch thimble 4 is separated from the constraint of the connecting rod 7, the compression spring 22 is released, under the compressive deformation force of the compression spring 22, the punch thimble 4 can downwardly impact the punch 3, the punch shaft of the punch 3 can downwardly punch the lower end wall of the housing 1, so. The sheet metal flanging device of the first embodiment is small in structure and convenient to carry and use.
Example two
Based on the first embodiment, the sheet metal flanging device further comprises a button spring 23;
the button spring 23 is sleeved outside the thimble connecting shaft 52;
the lower end of the button spring 23 is fixed on the upper side of the thimble connecting rod plate 5, and the upper end is fixed on the lower side of the upper end wall of the shell 1.
In the sheet metal flanging device of the second embodiment, the button 6 is released, the ejector pin connecting rod plate 5 moves upwards under the actions of the ejector pin spring 21, the compression spring 22 and the button spring 23, the punch ejector pin 4 is driven to move upwards, the lower ends of the connecting rods 7 contract inwards, and finally the hooks 72 at the lower ends of the two connecting rods 7 are respectively clamped and hooked at the edge part of the lower side face of the circular plate-shaped linkage part of the punch ejector pin 4.
EXAMPLE III
Based on the second embodiment, the sheet metal flanging device further comprises a connecting rod spring 24;
the link spring 24 is a coil spring;
the link spring 24 has one end fixed to the inner wall of the upper portion of the housing 1 and the other end fixed to the rear side of the upper portion of the link 7 and located above the link pin 73.
Preferably, the upper end and the lower end of the compression spring 22 are respectively welded and fixed with the ejector pin connecting rod plate 5 and the circular plate-shaped linkage part of the punch ejector pin 4;
preferably, the upper and lower ends of the button spring 23 are respectively welded and fixed to the lower side of the upper end wall of the casing 1 and the upper side of the thimble connecting rod plate 5.
Preferably, the housing 1 is formed by fastening a left piece and a right piece, and is fastened by using bolts.
In the sheet metal flanging device of the third embodiment, in a natural state, no pressure is applied to the button 6, the compression spring 22 is in an extended state, and under the tensile force of the link spring 24, the hooks 72 at the lower ends of the two links 7 are respectively tightly hooked on the edge of the lower side surface of the circular plate-shaped linkage part of the punch thimble 4, so as to limit the punch thimble 4 to move downwards.
Example four
Based on the first embodiment, the sheet metal flanging device further comprises a female die 9;
the female die 9 is provided with a flanging female die hole site 911 adapted to the male die shaft of the male die 3.
EXAMPLE five
Based on the fourth embodiment, as shown in fig. 4, the punch shaft of the punch 3 is in an N-step shape with gradually decreasing outer diameter from top to bottom, and N is a positive integer;
the female die 9 is provided with N +1 flanging female die hole sites 911 which are matched with the male die shaft of the male die 3 in different outer diameters.
Preferably, the female die 9 comprises a female die base 90 and a combined female die 91;
the combined female die 91 is provided with N +1 types of flanging female die hole positions 911;
the upper end surface of the female die base 90 is correspondingly provided with N +1 convex shafts 901;
the lower end of the female die spring 92 is fixed on the convex shaft 901 of the female die base 90, the female die spring 92 penetrates through the corresponding flanging female die hole position 911 of the combined female die 91, and the upper end of the female die spring is fixed on the gasket 921. The center hole of the gasket 921 matches with the lower end of the male die shaft of the male die 3 to ensure that the male die shaft, the flanging female die hole site 911 and the metal plate pre-punching center are aligned.
Preferably, the female die base 90 and the combined female die 91 are fastened together by using bolts;
the lower end of the female die spring 92 is welded and fixed on the convex shaft 901 of the female die base 90, and the upper end is welded and fixed on the gasket 921.
Preferably, the die base 90 and the combined die 91 are fastened together by bolts.
Preferably, N is 1,2, 3 or 4.
EXAMPLE six
Based on the first embodiment, the sheet metal flanging device further comprises an adjustable supporting seat 8;
the adjustable supporting seat 8 is in a circular tube shape;
as shown in fig. 5 and 6, the tube wall of the adjustable support seat 8 is provided with an axial communication groove 81 and a plurality of circumferential notches 82 arranged vertically, and one end of each of the circumferential notches 82 on the same side is communicated with the communication groove 81;
the distance between the adjacent circumferential notches 82 is matched with the height of each corresponding step of the male die shaft of the male die 3;
a fixed pin shaft 13 is arranged on the outer side surface of the lower part of the shell 1;
the internal diameter of adjustable supporting seat 8 is with the external diameter adaptation in casing 1 bottom is used for the cover to establish outside casing 1 bottom, through making fixed pin axle 13 get into different circumference notches 82, adjusts the distance of the different steps of protruding mould axle to the sheet metal component 10 upper flank.
Preferably, the scale marks 14 are arranged above the fixed pin 13 on the outer side surface of the bottom of the housing 1, so as to facilitate the rotation of the adjustable support seat 8 to align the position of the fixed pin 13 entering the corresponding circumferential notch 82. According to the scale marks 14 distributed on the shell 1, the axial communication groove formed in the pipe wall of the supporting seat 8 corresponds to the fixed pin shaft 13 at the bottom of the shell 1, the axial communication groove is moved to the corresponding circumferential groove, and the supporting seat 8 can be fixed to the bottom of the shell 1 through rotation.
The sheet metal flanging device of the sixth embodiment is characterized in that an adjustable supporting seat 8 is assembled at the bottom of the shell 1. When the convex mold thimble 4 impacts the convex mold 3, the downward moving position of the convex mold 3 is the same. Because the terrace die axle of terrace die 3 is the N rank ladder form that external diameter reduces gradually from top to bottom, in order to guarantee that the different steps of terrace die axle of terrace die 3 are the same to the distance of sheet metal component upper flank, adopt height-adjustable formula supporting seat 8.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A sheet metal flanging device is characterized by comprising a shell (1), a thimble spring (21), a compression spring (22), a male die (3), a male die thimble (4), a thimble connecting rod plate (5), a thimble connecting shaft (52), a button (6) and a connecting rod (7);
the thimble spring (21) and the compression spring (22) are both helical springs;
the lower end wall of the shell (1) is circular;
the outer diameter of the thimble spring (21) is larger than the inner diameter of the lower end wall of the shell (1);
the male die (3) comprises a circular plate head and a male die shaft which are coaxially combined together;
the outer diameter of the head part of the circular plate is larger than that of the thimble spring (21);
the maximum outer diameter of the convex die shaft is smaller than the inner diameter of the thimble spring (21);
the thimble spring (21) is placed in the shell (1), and the lower end of the thimble spring abuts against the lower end wall of the shell (1);
a punch shaft of the punch (3) is inserted into the thimble spring (21), and the lower end of the punch shaft is positioned in the center of the lower end wall of the shell (1);
the head of a circular plate of the male die (3) is pressed on the upper end of the thimble spring (21);
the male die thimble (4) comprises a disc-shaped linkage part and a cylindrical impact part which are coaxially combined together;
the outer diameter of the disc-shaped linkage part is smaller than that of the cylindrical impact part;
the cylindrical impact part of the male die thimble (4) is positioned right above the circular plate head of the male die (3);
the lower end of the compression spring (22) is fixed at the central position of the upper side surface of the circular plate-shaped linkage part of the punch thimble (4), and the upper end of the compression spring is fixedly connected with the central position of the lower side surface of the thimble connecting rod plate (5);
the lower end of the thimble connecting shaft (52) is fixed at the central position of the upper side surface of the thimble connecting rod plate (5);
the upper end of the thimble connecting shaft (52) penetrates out of the upper end wall of the shell (1) and is fixed to the button (6);
the left end and the right end of the thimble connecting rod plate (5) are respectively provided with a guide groove (51);
the upper parts of the two connecting rods (7) are respectively fixed to connecting rod shaft holes (11) arranged on the inner walls of the two sides of the upper part of the shell (1) in a pivoting way through connecting rod pin shafts (73);
the middle part of the connecting rod (7) is provided with an inclined plane (71) which gradually protrudes inwards from top to bottom;
the lower end of the connecting rod (7) is provided with a claw (72) which extends to the inner side;
in a natural state, guide grooves (51) at the left end and the right end of the thimble connecting rod plate (5) are respectively clamped at the upper parts of inclined planes (71) of the two connecting rods (7); the hook claws (72) at the lower ends of the two connecting rods (7) are respectively hooked at the edge parts of the lower side surfaces of the disc-shaped linkage parts of the punch thimbles (4).
2. The sheet metal turner of claim 1,
the metal plate flanging device also comprises a button spring (23);
the button spring (23) is sleeved outside the thimble connecting shaft (52);
the lower end of the button spring (23) is fixed on the upper side of the thimble connecting rod plate (5), and the upper end of the button spring is fixed on the lower side of the upper end wall of the shell (1).
3. The sheet metal turner of claim 2,
the sheet metal flanging device also comprises a connecting rod spring (24);
the connecting rod spring (24) is a spiral spring;
one end of the connecting rod spring (24) is propped against the inner wall of the upper part of the shell (1), and the other end of the connecting rod spring (24) is propped against the rear side of the upper part of the connecting rod (7) and is positioned above the connecting rod pin shaft (73).
4. The sheet metal turner of claim 3,
the upper end and the lower end of the compression spring (22) are respectively welded and fixed with the ejector pin connecting rod plate (5) and the circular plate-shaped linkage part of the male die ejector pin (4);
the upper end and the lower end of the button spring (23) are respectively welded and fixed with the lower side surface of the upper end wall of the shell (1) and the upper side surface of the thimble connecting rod plate (5).
5. The sheet metal turner of claim 1,
the shell (1) is formed by buckling a left piece and a right piece and is fastened by bolts.
6. The sheet metal turner of claim 1,
the metal plate flanging device also comprises a female die (9);
and the female die (9) is provided with a flanging female die hole position (911) matched with the male die shaft of the male die (3).
7. The sheet metal turner of claim 6,
the male die shaft of the male die (3) is in an N-level stepped shape with the outer diameter gradually reduced from top to bottom, and N is a positive integer;
the female die (9) is provided with N +1 flanging female die hole sites (911) matched with the male die shaft of the male die (3) in different outer diameters.
8. The sheet metal turner of claim 7,
the female die (9) comprises a female die base (90) and a combined female die (91);
the combined female die (91) is provided with N +1 flanging female die hole sites (911);
the upper end face of the female die base (90) is correspondingly provided with N +1 convex shafts (901);
the lower end of the female die spring (92) is fixed on a convex shaft (901) of the female die base (90), the female die spring (92) penetrates through a corresponding flanging female die hole position (911) of the combined female die (91), and the upper end of the female die spring is fixed on a gasket (921).
9. The sheet metal turner of claim 8,
the female die base (90) and the combined female die (91) are fastened together by using bolts;
the lower end of the female die spring (92) is welded and fixed on the convex shaft (901) of the female die base (90), and the upper end of the female die spring is welded and fixed on the gasket (921).
10. The sheet metal turner of claim 8,
n is 1,2, 3 or 4.
11. The sheet metal turner of claim 8,
the sheet metal flanging device also comprises an adjustable supporting seat (8);
the adjustable supporting seat (8) is in a circular tube shape;
the pipe wall of the adjustable supporting seat (8) is provided with an axial communicating groove (81) and a plurality of circumferential notches (82) which are arranged up and down, and one ends of the circumferential notches (82) on the same side are communicated with the communicating groove (81);
the distance between adjacent circumferential notches is matched with the height of each corresponding step of the male die shaft of the male die (3);
a fixed pin shaft (13) is arranged on the outer side surface of the lower part of the shell (1);
the internal diameter of adjustable supporting seat (8) is with casing (1) bottom external diameter adaptation for the cover is established outside casing (1) bottom, through making fixed pin axle (13) get into different circumference notches (82), adjust the distance of the different steps of protruding mould axle to sheet metal component upper flank.
12. The sheet metal turner of claim 11,
the utility model discloses a casing, including casing (1) bottom lateral surface, fixed pin axle (13) top sets up the scale mark to the position when rotating adjustable supporting seat (8) and making fixed pin axle (13) get into corresponding circumference notch (82) is aimed at.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110918734A (en) * | 2019-12-30 | 2020-03-27 | 上海通用重工集团有限公司 | Metal plate flanging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918734A (en) * | 2019-12-30 | 2020-03-27 | 上海通用重工集团有限公司 | Metal plate flanging device |
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