CN117380861A - Bending method of linear edge end integral bending tool based on tower-shaped coil - Google Patents
Bending method of linear edge end integral bending tool based on tower-shaped coil Download PDFInfo
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- CN117380861A CN117380861A CN202311457766.8A CN202311457766A CN117380861A CN 117380861 A CN117380861 A CN 117380861A CN 202311457766 A CN202311457766 A CN 202311457766A CN 117380861 A CN117380861 A CN 117380861A
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- 238000005452 bending Methods 0.000 title claims abstract description 155
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 121
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010017472 Fumbling Diseases 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/004—Bending wire other than coiling; Straightening wire by means of press-type tooling
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Abstract
The invention discloses a bending method of a linear edge end integral bending tool based on a tower-shaped coil, which greatly improves the forming quality of integral bending of the tower-shaped coil and belongs to the field of motor manufacturing; on the tooling bottom plate (1), a linear edge embedded groove (4) is formed between a front side vertical plate (2) and a rear side vertical plate (3), a bottom supporting middle base plate (5) is fixedly arranged at the bottom of the linear edge embedded groove (4), bending press block embedded groove chambers (7) are respectively arranged at two side ends of the top end surface of the front side vertical plate (2) and two side ends of the top end surface of the rear side vertical plate (3), a zigzag bending pressing surface (10) is arranged on the inner bottom end surface of the bending press block embedded groove chamber, a bending pressing horizontal strip plate (11) connected with a press is arranged right above a notch of the linear edge embedded groove (4), and pressing rectangular blocks (12) are respectively arranged at two ends of the bending pressing horizontal strip plate; the coil has high integral forming quality.
Description
Technical Field
The invention relates to a rotor magnetic pole of a motor non-salient pole structure, in particular to a tool and a bending method for integrally bending the straight line edge of a tower-shaped coil of the rotor magnetic pole of the non-salient pole structure.
Background
The rotor magnetic poles of the synchronous generator are generally divided into two types, namely a rotor magnetic pole with a salient pole structure and a rotor magnetic pole with a non-salient pole structure; the rotor magnetic pole of the hidden pole structure is arranged in the rotor iron core, a magnetic pole coil embedded slot is arranged on the outer circle of the rotor iron core in a split manner, a tower-shaped magnetic pole coil is embedded in the magnetic pole coil embedded slot, and the rotor magnetic pole is formed after the tower-shaped coil is electrified; the existing tower-shaped coil is usually an electromagnetic wire, an integral coil in a tower shape is formed by stacking a plurality of turns of coils, then the integral coil is embedded into a magnetic pole coil embedding slot layer by layer, and finally, a magnetic pole winding is formed by connection among the coils; when the integral tower-shaped coil is embedded into the corresponding coil inserting groove of the rotor core, magnetic pole winding end parts extending to the outer side of the core are formed at the two ends of the rotor core; when the motor rotor rotates, the winding end is subject to centrifugal force, and is thrown outwards along the radial direction, so that the winding end is easy to loosen or displace, the phenomenon of breakage or short circuit of the winding end occurs, the whole winding is scrapped, and the phenomenon of the winding end is particularly serious for a high-speed high-power motor; in order to overcome the defect, the prior art generally arranges an annular fastening device at the outer side of the winding end to play a role in tightening the winding end and place the winding end to generate damage; for installing the fastening device, the end of the tower-shaped coil is generally designed to be bent inwards by a person skilled in the art, so that the coil end is wholly contracted towards the circle center, and the installation space is reserved for the winding end fastening device.
The tower-shaped coil is a rectangular coil formed by two parallel straight sides and two connecting sides, both ends of the straight sides need to be bent inwards, as the whole tower-shaped coil is formed by stacking a plurality of turns of electromagnetic wire annular windings, the number of turns is as many as dozens of turns, the width of the electromagnetic wire is narrower, the height formed by stacking dozens of turns of coils is also larger, special bending tool equipment is needed when the straight sides are bent integrally, and the difficulty of how the stacked coils do not diverge needs to be overcome in the whole bending process; meanwhile, how to bend the two ends of the straight line edge symmetrically and ensure that the coil does not deform in the bending process is a difficult problem to be solved; because the electromagnetic wire is generally a copper flat wire, rebound can occur in the bending process, and how to control the rebound quantity, the coil is integrally bent and completed with high efficiency, and the coil is a problem to be solved on site, particularly when a tower-shaped coil is produced in a large quantity, the requirement is more urgent; bending the straight edge of the tower-shaped coil, the prior art is performed in the following way; the method comprises the steps of dividing the coils into a plurality of groups according to the total number of turns of the coils, respectively bending each group of coils, then recombining the bent groups of coils together to form a tower-shaped coil after integral bending, and embedding the integral coils into an iron core one by one, wherein the method for respectively bending each group of coils has the following problems: (1) The coil is bent in groups, so that the bending times are high, the probability of breakage of the coil during bending is increased, and meanwhile, the problem of low bending work efficiency is solved; (2) The mode of bending the coils in groups has the defects of poor bending consistency of each group of coils, poor forming quality and repeated trimming when the coils are combined into an integral coil; (3) The grouping bending operation cannot control the rebound quantity of the coil after bending, and the forming quality of the tower-shaped coil formed after the grouping coils with different rebound quantities are combined is low.
Disclosure of Invention
The invention provides a bending method of a linear edge end integral bending tool based on a tower-shaped coil, which greatly improves the forming quality of integral bending of the tower-shaped coil and improves the bending working efficiency.
The invention solves the technical problems by the following technical proposal:
the present general inventive concept: the tool is provided with a linear edge embedded groove capable of limiting the linear edges of the whole tower-shaped coil in front and back, the bottom of the linear edge embedded groove is provided with a bottom support middle backing plate formed by bending the two ends of the linear edge, the linear edge embedded groove consists of a front clamping vertical plate and a rear clamping vertical plate which are parallel to each other, the two sides of the top ends of the front clamping vertical plate and the rear clamping vertical plate are combined and provided with a bending press block embedded matching chamber, the bottom end surface of the bending press block embedded matching chamber is provided with a zigzag bending pressing surface, a bending pressing plate connected with a press is arranged right above the linear edge embedded groove, the press bends and presses the two ends of the linear edge of the tower-shaped coil through the bending pressing plate, the invention relates to a bending press block, which is provided with a pressing rectangular block with steps, the pressing rectangular block with steps firstly presses down and enters a bending press block embedded matching chamber, then the pressing down is performed on the straight line edge of an integral tower-shaped coil which is placed on a bottom supporting middle backing plate in a straight line edge embedded groove, a zigzag downward bulge is arranged on the bottom end surface of the pressing rectangular block, the two ends of the straight line edge of the integral tower-shaped coil are simultaneously bent and pressed down for forming, meanwhile, the bending pressing strip plate presses down and positions the middle part of the straight line edge, thereby overcoming the problem that the middle part of the integral straight line edge is easy to arch upwards caused by the downward bending process of the two ends of the straight line edge, the coil structure overcomes the defect that when the coil is subjected to the action of pressing force, the inter-turn coil slides easily, so that the pressing force changes direction, ensures the integral forming quality of the straight line edge of the coil, solves the problem of controlling the rebound quantity of the straight line edge after bending and pressing by controlling the downward bulge quantity of the zigzag shape arranged on the bottom end surface of the pressing rectangular block, and greatly improves the bending forming efficiency of the straight line edge.
The utility model provides an integral bending frock of straight line limit tip of tower coil for non-salient pole rotor magnetic pole, including frock bottom plate and tower coil, be provided with the sharp limit on the tower coil, on the frock bottom plate, be provided with front side riser and rear side riser fixedly in parallel with each other, be provided with sharp limit embedded groove between front side riser and rear side riser, the tank bottom in sharp limit embedded groove, fixedly provided with bottom support middle backing plate, both sides are all provided with "zigzag" support step of bending on bottom support middle backing plate top, both sides of the top face of front side riser and the top face both sides of rear side riser are provided with the briquetting embedding recess room of bending, be provided with the recess face of "font" bending on the bottom face of the bottom support middle backing plate of briquetting embedding groove in, place the sharp limit of tower coil on the top face of the bottom support middle backing plate in the straight line limit embedded groove; a bending and pressing horizontal strip plate connected with a press is arranged right above the notch of the linear edge embedded groove, pressing rectangular blocks are arranged at two ends of the bending and pressing horizontal strip plate, zigzag downward protrusions are arranged on the lower bottom surface of the pressing rectangular blocks, when the bending downward-pressing horizontal strip-shaped plate is pressed down into the notch of the linear edge embedded groove, the downward-pressing rectangular block is embedded into the bending pressing block embedded groove chamber, and the zigzag downward protrusions arranged on the lower bottom surface of the downward-pressing rectangular block are pressed at the end parts of the linear edges of the tower-shaped coil.
The bent downward-pressing horizontal strip-shaped plate on the outer side of the downward-pressing rectangular block is connected with a straight-line side end part inverted U-shaped limiting fork body, and when the bent downward-pressing horizontal strip-shaped plate is pressed down into a notch of the straight-line side embedded groove, the straight-line side end part inverted U-shaped limiting fork body is inserted into the end part of the straight-line side of the tower-shaped coil; the top end of the pressing rectangular block is provided with a pressing limiting eave.
A bending method of a straight line side end integral bending tool based on a tower-shaped coil comprises a tool bottom plate and the tower-shaped coil, wherein a straight line side is arranged on the tower-shaped coil, a front side vertical plate and a rear side vertical plate are fixedly arranged on the tool bottom plate in parallel with each other, a straight line side embedded groove is arranged between the front side vertical plate and the rear side vertical plate, a bottom supporting middle base plate is fixedly arranged at the bottom of the straight line side embedded groove, and zigzag bending supporting steps are respectively arranged on two sides of the top end surface of the bottom supporting middle base plate; the two ends of the top end face of the front side vertical plate and the two ends of the top end face of the rear side vertical plate are respectively provided with a bending press block embedded groove chamber, a zigzag bending pressing surface is arranged on the inner bottom end face of the bending press block embedded groove chamber, a bending pressing horizontal strip plate connected with a press is arranged right above a notch of the straight line edge embedded groove, pressing rectangular blocks are arranged at two ends of the bending pressing horizontal strip plate, zigzag downward protrusions are arranged on the lower bottom face of the pressing rectangular blocks, and pressing limiting eaves are arranged at the top ends of the pressing rectangular blocks; the method is characterized by comprising the following steps of;
the method comprises the steps of firstly, placing a linear edge of an integral tower-shaped coil into a linear edge embedded groove arranged between a front side vertical plate and a rear side vertical plate, and placing the lower end of the linear edge on the top end surface of the front side vertical plate;
the second step, the bending and pressing horizontal strip plate connected with the press is controlled to press downwards, so that the bending and pressing horizontal strip plate enters a notch of the linear edge embedding groove, meanwhile, the pressing rectangular block is embedded into a bending press block embedding groove chamber arranged between the front side vertical plate and the rear side vertical plate, the bending and pressing horizontal strip plate continues to press downwards, and a zigzag downward bulge arranged on the lower bottom surface of the pressing rectangular block is pressed against the end part of the linear edge, so that right-end bending and left-end bending are respectively formed after the bending and pressing rectangular block is deformed;
thirdly, after a downward-pressing limiting eave arranged at the top end of a downward-pressing rectangular block on the bent downward-pressing horizontal strip plate is in touch with the top end surface of the front side vertical plate, stopping downward pressing of the bent downward-pressing horizontal strip plate, and keeping the downward pressure unchanged for 10 minutes;
fourthly, controlling the bending and pressing horizontal strip-shaped plate connected with the press to rise, and thus completing the integral simultaneous bending of the two end parts of the straight line edge on one side of the tower-shaped coil;
and fifthly, taking out the straight line edge of the tower-shaped coil from the straight line edge embedded groove, then putting the other side straight line edge of the tower-shaped coil into the straight line edge embedded groove, repeating the steps from the first step to the fourth step, and completing the integral simultaneous bending of the two end parts of the other side straight line edge of the tower-shaped coil.
The maximum height of the downward bulge in the zigzag shape arranged on the lower bottom surface of the downward pressing rectangular block is two millimeters greater than the bending depth of the right end bending, so that the resilience of the straight line edge end after bending is overcome.
The invention discards the traditional method for bending and pressing the tower-shaped coil for multiple times, and can complete coil bending and forming through 1-2 times of integral bending, thereby reducing the probability of coil insulation breakage during electromagnetic wire bending, greatly improving the bending working efficiency, overcoming the serious problem of waste of precious metal raw materials of the electromagnetic wire, and reducing the manufacturing cost of the motor.
Drawings
Fig. 1 is a schematic structural diagram of an integral bending tool of the present invention;
fig. 2 is a schematic structural view of the integral bending tool of the present invention after the front side riser 2 is removed;
FIG. 3 is a diagram of the mating relationship between the linear edge 9 of the present invention and the bottom support intermediate pallet 5;
FIG. 4 is a diagram showing the relationship between the inverted U-shaped limit fork 15 at the end of the straight line edge and the end of the straight line edge 9;
fig. 5 is a schematic view of the structure of the bent down-pressing horizontal strip plate 11 of the present invention when it is pressed down into place;
fig. 6 is a schematic diagram of the structure of the tower-shaped coil 8 after the two straight edge ends are bent.
Description of the embodiments
The invention is described in detail below with reference to the attached drawing figures:
the utility model provides an integral bending frock of straight line limit tip of tower coil for non-salient pole rotor magnetic pole, including frock bottom plate 1 and tower coil 8, tower coil 8 has wholly wound and has accomplished, tower coil 8's two sharp limit 9 are straight state, on frock bottom plate 1, be provided with front side riser 2 and rear side riser 3 in parallel with each other fixedly, the top face setting of two risers is in the coplanar, between front side riser 2 and rear side riser 3, be provided with sharp limit embedded groove 4, after tower coil 8's sharp limit 9 is put into sharp limit embedded groove 4, front side riser 2 and rear side riser 3 form the spacing to the front and back both sides of sharp limit 9, in sharp limit embedded groove 4's tank bottom, fixedly be provided with bottom support middle backing plate 5, in bottom support middle backing plate 5 top both sides, the two ends of the top end face of the front side vertical plate 2 and the two ends of the top end face of the rear side vertical plate 3 are respectively provided with a bending press block embedded groove chamber 7, the bending press block embedded groove chamber 7 is formed by relatively combining a groove arranged between the top end face of the front side vertical plate 2 and the rear side vertical plate and a groove arranged between the top end face of the rear side vertical plate 3 and the front side vertical plate, a linear edge embedded groove 4 is arranged between the two grooves, a zigzag bending pressing surface 10 is arranged on the inner bottom end face of the bending press block embedded groove chamber 7, and the linear edge 9 of the tower coil 8 is arranged on the top end face of the bottom support middle backing plate 5 in the linear edge embedded groove 4; the vertical pressing of the bending pressing horizontal strip plate 11 is realized by controlling the downward output shaft of the press to extend downwards, the two ends of the bending pressing horizontal strip plate 11 are provided with pressing rectangular blocks 12, the lower bottom surface of the pressing rectangular blocks 12 is provided with zigzag downward bulges 13, the pressing rectangular blocks 12 are arranged corresponding to the bending press block embedding groove chamber 7, when the bending pressing horizontal strip plate 11 is pressed into the notch of the linear edge embedding groove 4, the pressing rectangular blocks 12 are embedded into the bending press block embedding groove chamber 7, and the zigzag downward bulges 13 arranged on the lower bottom surface of the pressing rectangular blocks 12 are pressed against the end parts of the linear edge 9 of the tower coil 8, so that the end parts of the horizontal linear edge 9 are bent and abutted against zigzag supporting steps 6 to form right end 16 and left end bending 17, that is, the end parts of the straight edge 9 are bent and the zigzag supporting steps 6 are formed by bending the end parts of the pressing rectangular blocks 9.
The bent downward-pressing horizontal strip-shaped plate 11 on the outer side of the downward-pressing rectangular block 12 is connected with a reverse U-shaped limit fork body 15 at the end part of a straight line, when the bent downward-pressing horizontal strip-shaped plate 11 is pressed down into a notch of the straight line edge embedded groove 4, the reverse U-shaped limit fork body 15 at the end part of the straight line edge is inserted into the end part of the straight line edge 9 of the tower-shaped coil 8, and as the straight line edge 9 is formed by stacking a plurality of electromagnetic wires, each electromagnetic wire is provided with an insulating layer and is smoother, when the electromagnetic wire is bent, the phenomenon that the coils of each turn slip and disorder mutually easily occurs is avoided, and the phenomenon is avoided through the limit of the reverse U-shaped limit fork body 15, and meanwhile, the reverse bending deformation plays a role in guiding; the top of the pressing rectangular block 12 is provided with the pressing limiting eave 14, and effective control of bending pressing force can be realized through the setting of the pressing limiting eave 14, namely effective bending of the straight line edge is achieved, and the phenomenon of damage of the electromagnetic wire insulating layer caused by excessive pressure can be avoided.
A bending method of a straight line side end integral bending tool based on a tower-shaped coil comprises a tool bottom plate 1 and the tower-shaped coil 8, wherein the tower-shaped coil 8 is integrally wound and formed, the tower-shaped coil 8 is provided with straight line sides 9, the straight line sides 9 are stacked by a plurality of turns of electromagnetic wires with insulating layers, a front side vertical plate 2 and a rear side vertical plate 3 are fixedly arranged on the tool bottom plate 1 in parallel with each other, a straight line side embedded groove 4 is arranged between the front side vertical plate 2 and the rear side vertical plate 3, a bottom support middle base plate 5 is fixedly arranged at the bottom of the straight line side embedded groove 4, and a' zigzag bending support step 6 is arranged on both sides of the top end surface of the bottom support middle base plate 5; the two ends of the top end surface of the front side vertical plate 2 and the two ends of the top end surface of the rear side vertical plate 3 are respectively provided with a bending press block embedded groove chamber 7, a zigzag bending pressing surface 10 is arranged on the inner bottom end surface of the bending press block embedded groove chamber 7, a bending pressing horizontal strip plate 11 connected with a press is arranged right above a notch of the straight line edge embedded groove 4, two ends of the bending pressing horizontal strip plate 11 are respectively provided with a pressing rectangular block 12, a lower bottom surface of the pressing rectangular block 12 is provided with a zigzag downward bulge 13, and the top end of the pressing rectangular block 12 is provided with a pressing limiting eave 14; the method is characterized by comprising the following steps of;
the first step, the straight line edge 9 of the integral tower-shaped coil 8 is placed into a straight line edge embedded groove 4 arranged between the front side vertical plate 2 and the rear side vertical plate 3, the lower end of the straight line edge 9 is placed on the top end surface of the front side vertical plate 2, and the front side vertical plate 2 and the rear side vertical plate 3 form limit of a stack of straight line edges 9 in the front-rear direction;
secondly, controlling the bending and pressing horizontal strip plate 11 connected with a press to press downwards, so that the bending and pressing horizontal strip plate 11 enters a notch of the linear edge embedding groove 4, meanwhile, a pressing rectangular block 12 is embedded into a bending press block embedding groove chamber 7 arranged between the front side vertical plate 2 and the rear side vertical plate 3, the bending and pressing horizontal strip plate 11 continues to press downwards, a 'downward bulge' 13 arranged on the lower bottom surface of the pressing rectangular block 12 is propped against the end part of the linear edge 9, after the bending and pressing horizontal strip plate is deformed, a right end bending 16 and a left end bending 17 are respectively formed, the pressing rectangular block 12 is embedded into the bending press block embedding groove chamber 7, and the two are matched, so that left limit and right limit of the pressing process of the folding and pressing horizontal strip plate 11 are formed;
thirdly, after the top end of a downward-pressing limiting eave 14 arranged on the top end of a downward-pressing rectangular block 12 on the downward-pressing rectangular block 11 is in touch with the top end surface of the front side vertical plate 2, the downward-pressing horizontal rectangular block 11 is bent, the downward pressing is stopped, the downward pressure is kept unchanged for 10 minutes, the middle part of the straight line edge 9 is limited in the bending process of the two end parts of the straight line edge 9 due to the downward-pressing rectangular block 11 between the two downward-pressing rectangular blocks 12, and the middle part of the straight line edge 9 in bending cannot be arched upwards;
fourthly, controlling the bending and pressing horizontal strip plate 11 connected with the press to rise, thereby completing the integral simultaneous bending of the two end parts of the straight line edge 9 on one side of the tower-shaped coil 8; in order to overcome the rebound of the bending parts at the two ends of the straight line edge after the pressure is removed, the pressing can be repeated for 2-3 times;
taking out the linear edge 9 of the tower-shaped coil 8 from the linear edge embedded groove 4, then putting the other side linear edge of the tower-shaped coil 8 into the linear edge embedded groove 4, repeating the steps from the first step to the fourth step, and completing the integral simultaneous bending of the two end parts of the other side linear edge of the tower-shaped coil 8; a tower-shaped coil can be formed by bending two sides.
The maximum height of the zigzag downward bulge 13 arranged on the lower bottom surface of the downward pressing rectangular block 12 is two millimeters greater than the bending depth of the right end bending 16 so as to overcome the resilience of the end part of the straight line edge 9 after bending; the height of the pressing rectangular block 12 is obtained through theoretical calculation by the size of the tooling structure and the bending amount of the coil, and on the basis of theoretical calculation, the zigzag downward bulge 13 can be heightened by 2 millimeters, so that the purpose of overcoming the rebound amount can be achieved well, and the pressing rectangular block is obtained through experiments and fumbling on site.
A bending method of a straight line side end integral bending tool based on a tower-shaped coil is characterized in that a straight line side end inverted U-shaped limiting fork body 15 is connected to a bending push-down horizontal strip-shaped plate 11 outside a push-down rectangular block 12, when the bending push-down horizontal strip-shaped plate 11 is pushed down into a notch of a straight line side embedded groove 4, the straight line side end inverted U-shaped limiting fork body 15 is inserted into the end of a straight line side 9 of the tower-shaped coil 8 to form guide when the end of the straight line side 9 is integrally bent, and the straight line side is prevented from being diverged in bending.
Claims (3)
1. A bending method of a linear edge end integral bending tool based on a tower-shaped coil comprises a tool bottom plate (1) and the tower-shaped coil (8), wherein a linear edge (9) is arranged on the tower-shaped coil (8), a front side vertical plate (2) and a rear side vertical plate (3) are fixedly arranged on the tool bottom plate (1) in parallel, a linear edge embedded groove (4) is formed between the front side vertical plate (2) and the rear side vertical plate (3), a bottom supporting middle base plate (5) is fixedly arranged at the bottom of the linear edge embedded groove (4), and zigzag bending supporting steps (6) are respectively arranged on two sides of the top end surface of the bottom supporting middle base plate (5); the bending press block embedded groove chamber (7) is arranged at both side ends of the top end surface of the front side vertical plate (2) and both side ends of the top end surface of the rear side vertical plate (3), a zigzag bending pressing surface (10) is arranged on the inner bottom end surface of the bending press block embedded groove chamber (7), a bending pressing horizontal strip plate (11) connected with a press is arranged right above a notch of the straight line edge embedded groove (4), pressing rectangular blocks (12) are arranged at both ends of the bending pressing horizontal strip plate (11), zigzag downward protrusions (13) are arranged on the lower bottom surface of the pressing rectangular blocks (12), and pressing limiting eaves (14) are arranged at the top end of the pressing rectangular blocks (12); the method is characterized by comprising the following steps of;
firstly, placing a linear edge (9) of an integral tower-shaped coil (8) into a linear edge embedded groove (4) arranged between a front side vertical plate (2) and a rear side vertical plate (3), and placing the lower end of the linear edge (9) on the top end surface of the front side vertical plate (2);
secondly, controlling a bending and pressing horizontal strip plate (11) connected with a press to press downwards, enabling the bending and pressing horizontal strip plate (11) to enter a notch of a linear edge embedded groove (4), embedding a pressing rectangular block (12) into a bending press block embedded groove chamber (7) arranged between a front side vertical plate (2) and a rear side vertical plate (3), continuously pressing the bending and pressing horizontal strip plate (11), and propping a zigzag downward bulge (13) arranged on the lower bottom surface of the pressing rectangular block (12) against the end part of a linear edge (9), so that right-end bending (16) and left-end bending (17) are respectively formed after the bending and pressing rectangular block is deformed;
thirdly, after a downward-pressing limiting eave (14) arranged at the top end of a downward-pressing rectangular block (12) on the downward-pressing horizontal strip plate (11) is in touch with the top end surface of the front side vertical plate (2), stopping downward pressing of the downward-pressing horizontal strip plate (11), and keeping the downward pressure unchanged for 10 minutes;
fourthly, controlling the bending and pressing horizontal strip-shaped plate (11) connected with the press to rise, thereby completing the integral simultaneous bending of the two ends of the straight edge (9) on one side of the tower-shaped coil (8);
and fifthly, taking out the straight line edge (9) of the tower-shaped coil (8) from the straight line edge embedded groove (4), then putting the other side straight line edge of the tower-shaped coil (8) into the straight line edge embedded groove (4), repeating the steps from the first step to the fourth step, and completing the integral simultaneous bending of the two end parts of the other side straight line edge of the tower-shaped coil (8).
2. The bending method of the integral bending tool based on the straight edge end part of the tower-shaped coil according to claim 1 is characterized in that the maximum height of a zigzag downward bulge (13) arranged on the lower bottom surface of the pressing rectangular block (12) is two millimeters larger than the bending depth of the right end bending (16) so as to overcome the rebound quantity of the end part of the straight edge (9) after bending.
3. The bending method of the integral bending tool for the straight edge end part based on the tower-shaped coil according to claim 1 or 2, wherein the bending pressing horizontal strip-shaped plate (11) outside the pressing rectangular block (12) is connected with the inverted U-shaped limiting fork body (15) at the straight edge end part, and when the bending pressing horizontal strip-shaped plate (11) is pressed down into the notch of the straight edge embedded groove (4), the inverted U-shaped limiting fork body (15) at the straight edge end part is spliced at the end part of the straight edge (9) of the tower-shaped coil (8) so as to form the guide when the end part of the straight edge (9) is integrally bent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311457766.8A CN117380861A (en) | 2023-11-03 | 2023-11-03 | Bending method of linear edge end integral bending tool based on tower-shaped coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311457766.8A CN117380861A (en) | 2023-11-03 | 2023-11-03 | Bending method of linear edge end integral bending tool based on tower-shaped coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117380861A true CN117380861A (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311457766.8A Pending CN117380861A (en) | 2023-11-03 | 2023-11-03 | Bending method of linear edge end integral bending tool based on tower-shaped coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117380861A (en) |
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2023
- 2023-11-03 CN CN202311457766.8A patent/CN117380861A/en active Pending
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