CN118137259A - Connecting terminal stamping forming device - Google Patents
Connecting terminal stamping forming device Download PDFInfo
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- CN118137259A CN118137259A CN202410552150.7A CN202410552150A CN118137259A CN 118137259 A CN118137259 A CN 118137259A CN 202410552150 A CN202410552150 A CN 202410552150A CN 118137259 A CN118137259 A CN 118137259A
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- lower die
- connecting terminal
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- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000004080 punching Methods 0.000 claims description 60
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The invention discloses a connecting terminal stamping forming device, which relates to the field of connecting terminals and comprises a stamping rack and a stamping cavity; the bottom of the stamping cavity is fixedly provided with a stamping lower die assembly, the stamping lower die assembly comprises two rotatable lower die cores with arc grooves formed on opposite end surfaces, and a convex edge for bending the edge of the connecting terminal inwards is formed between the top of the arc grooves and the lower die cores; according to the invention, the upper stamping column is matched with the two lower mold cores, the conductive sheet is stamped into a U shape, when the bottom of the conductive sheet is contacted with the bottoms of the two lower mold cores, the two lower mold cores are stressed to rotate inwards, the shrinkage mouth between the two convex ribs is reduced, the two sides of the conductive sheet are extruded, and when the two lower mold cores rotate to the maximum angle, the conductive sheet is bent into a circular shape through the two convex ribs, so that the conductive sheet can be stamped into the circular shape at one time through the cooperation of the upper stamping column and the two lower mold cores, and the stamping operation flow is reduced.
Description
Technical Field
The invention relates to the technical field related to connecting terminals, in particular to a stamping forming device for a connecting terminal.
Background
The wiring terminal is a fitting product for realizing electric connection, belongs to a connector, and is characterized in that copper, aluminum, copper alloy and copper-aluminum alloy are punched into conductive sheets with required shapes and sizes when the wiring terminal is prepared by adopting the prior art, and the connection position of the wiring terminal and a wire is punched into a circular shape, so that the wiring terminal and the wire are connected conveniently.
When the existing connecting terminal stamping forming device is used for stamping the punched conducting strip, the conducting strip is usually required to be stamped into a U shape, then two sides of the conducting strip are extruded until the conducting strip is annular through the extrusion device, the conducting strip cannot be stamped into the annular shape at one time directly, the stamped conducting strip is clamped on the stamping die, and an electric stripping structure is required to be arranged independently when the blanking is carried out, so that the cost brought by equipment and electricity is increased.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a connecting terminal stamping forming device.
In order to solve the technical problems, the invention provides the following technical scheme:
The invention relates to a connecting terminal stamping forming device, which comprises a stamping frame and a stamping cavity, wherein the stamping cavity is positioned at the top of the stamping frame and is used for stamping and forming a connecting terminal;
A stamping lower die assembly is fixedly arranged on a stamping table top at the bottom of the stamping cavity, the stamping lower die assembly comprises two rotatable lower die cores with arc grooves formed on opposite end surfaces, and a convex edge for bending the edge of the connecting terminal inwards is formed between the top of the arc grooves and the lower die cores;
the upper stamping column is arranged horizontally and corresponds to the two lower mold cores, and when the upper stamping column moves downwards to stamp the connecting terminal into the inner cavity of the two lower mold cores, the two lower mold cores relatively rotate and are matched with the convex edges to realize that the connecting terminal is stamped into a circular shape at one time and is sleeved outside the upper stamping column;
One side of the stamping upper die assembly is provided with an automatic pushing assembly for blanking the connecting terminal after stamping forming, the automatic pushing assembly comprises a pushing ring and a screw rod, and the pushing ring is sleeved outside the upper stamping column and moves in cooperation with the rotation of the screw rod to automatically blanking the connecting terminal outside the upper stamping column.
As a preferred technical solution of the present invention, the lower stamping die assembly further includes:
The two lower die holders are oppositely arranged and Z-shaped, the opposite end surfaces of the two lower die holders are respectively provided with a round corner shape, and the two lower die cores are respectively matched and arranged at the two round corners;
The die comprises a fixed base, two lower die bases and a connecting base plate, wherein the two lower die bases are fixedly arranged in an installation cavity formed in the middle of the fixed base, the top end of the connecting base plate is fixedly provided with a guide groove, the two lower die cores are respectively connected with the connecting base plate in a rotating mode through a rotating shaft formed in the lower die cores, and the rotating shaft and a round corner are arranged in a common center.
As a preferable technical scheme of the invention, a reset plate is arranged between two lower die holders at the bottoms of the two lower die cores, sliding rods are fixedly arranged at four corners of the bottom end of the reset plate, a baffle plate is fixedly arranged at the bottom end of the sliding rod through a stamping cavity, a reset spring is sleeved at the bottom of the sliding rod, and two ends of the reset spring are fixedly connected with the top end of the baffle plate and the bottom end of the stamping cavity respectively.
As a preferred technical solution of the present invention, the lower stamping die assembly further includes:
The two limiting baffles are L-shaped and are oppositely arranged, and the two limiting baffles are fixedly arranged at the top ends of the two lower die holders respectively and are positioned at two sides of the two lower die cores;
The inner side of the limit baffle is provided with a blocking block, one end of the blocking block is fixedly provided with a sliding block, the sliding block is matched with the groove formed in the limit baffle in a penetrating manner, a pushing block is fixedly arranged on the outer side of the sliding block, and one side of the pushing block is provided with an adjusting screw for pushing the position of the pushing block.
As a preferred technical solution of the present invention, the stamping upper die assembly further includes:
the movable seat is provided with a hydraulic cylinder at the top, and the output end of the hydraulic cylinder is fixedly arranged in the middle of the top end of the movable seat;
The fixing seat is matched with the guide groove to slide and is positioned right above the guide groove, the fixing seat is fixedly arranged on one side of the bottom end of the movable seat, and one end of the upper punching column is fixedly connected with the fixing seat.
As a preferable technical scheme of the invention, an opening is formed in the middle of the outer side of the movable seat, a supporting block which is used for supporting one end of the upper punching column in a collision mode is rotatably arranged in the opening, a tensioning spring is obliquely arranged on the inner side of the supporting block, two ends of the tensioning spring are fixedly provided with hinging seats, and the two hinging seats are fixedly connected with the movable seat and the supporting block respectively.
As a preferred technical solution of the present invention, the automatic pushing assembly further includes:
The device comprises at least two pushing rods, wherein one ends of the pushing rods are fixedly connected with a pushing ring and distributed at equal intervals along the circumferential direction, the other ends of the pushing rods penetrate through a fixed seat in a sliding manner to be fixedly connected with a same movable disc, and a nut sleeve is fixedly arranged in the middle of the outer side of the movable disc.
As a preferable technical scheme of the invention, the screw rod is positioned at the inner side of the push rod, one end of the screw rod is rotatably connected with the fixed seat through a bearing, and the other end of the screw rod passes through the movable disc to be in threaded connection with the nut sleeve.
As a preferable technical scheme of the invention, one end of the screw rod, which is arranged on the outer side of the movable disc, is fixedly provided with a driving gear, one side of the driving gear is meshed with a rack plate, the bottom of the rack plate is fixedly provided with a fixed base, and the fixed base is fixedly arranged on a stamping table top at the bottom of the stamping cavity.
The beneficial effects of the invention are as follows:
1. This kind of connecting terminal stamping forming device, pneumatic cylinder work promotes movable seat and goes up the punching press post and moves downwards, cooperate two lower mold cores through last punching press post, then can be earlier with conducting strip punching press U type, after the bottom of conducting strip and the bottom contact of two lower mold cores, at this moment two lower mold cores atress can inwards rotate, at this moment the throat between two protruding ridges diminishes and extrudees the both sides of conducting strip, after two lower mold cores rotate to the biggest angle, realize buckling into the ring shape with the conducting strip through two protruding ridges, and then can realize once only punching press into the ring shape with the conducting strip through last punching press post and two lower mold core cooperation, the operation flow of punching press has been reduced.
2. This kind of connecting terminal stamping forming device, accomplish the punching press when last punching press post and begin upward movement from the minimum position, at this moment after conducting strip after the punching press and lower mold core separation, drive gear can mesh with the rack board again, at this moment the pushing away material ring can promote the conducting strip to upwards punch the outside of post and remove, until accomplish the conducting strip to after the punching press when the punching press goes up the mould subassembly and remove to normal position and take off the material operation, need not to set up electronic material structure that takes off alone, can reduce the cost that equipment and power consumption bring.
3. This kind of connecting terminal stamping forming device, through the setting of two fillets, the bottom corner of die core also cooperatees simultaneously and sets up to be circular-arc, like this when the bottom of two die cores receives decurrent effort, two die cores down can rotate in the fillet along the pivot inboard.
4. This kind of connecting terminal stamping forming device can play the effect of support to two lower mold cores through the setting of reset plate, can avoid down the mold core because of receiving the pivoted condition to the inboard appearance of gravity of self, and through reset spring's setting, can promote reset plate and move downwards when mold core rotates down, and reset spring atress is in tensile state this moment, and when mold core atress down, can make reset plate resume to the normal position through reset spring's elastic action, also can lift up two lower mold cores to the normal position through reset plate simultaneously.
5. This kind of connecting terminal stamping forming device, through the setting of two limit baffle, can treat the conducting strip of punching press and control the position and carry out spacingly, reduce the possibility that the deviation appears in punching press in-process conducting strip position, and through two blocker that set up, can be according to the conducting strip need buckle into the length of pipe and adjust the position of blocker, can guarantee to let the conducting strip need the border coplane of return bend part and two lower mold core's border, and go up the length of punching press post and be greater than the length of two lower mold cores, when last punching press post down punching press like this, can buckle into the ring shape with current part that carries out the return bend completely and can not buckle to the conducting strip end and need not the part of return bend.
6. This kind of connecting terminal stamping forming device, through the setting of supporting shoe, when going up punching press post atress and carrying out punching press operation to the conducting strip downwards, can play the effect of support to the one end of last punching press post, improve the joint strength of going up punching press post and fixing base, and through rotating the supporting shoe with movable seat to be connected, when taking off the material to the conducting strip of cutting ferrule on the last punching press post, the supporting shoe atress can appear rotating, avoid taking place to interfere with between the conducting strip, can stimulate the supporting shoe to the normal position after taking off the material completion through the setting of taut spring.
7. This kind of connecting terminal stamping forming device, when the mould subassembly is located the top position on the punching press, the material pushing ring is located the one side that the punching press post is close to the supporting shoe this moment, can drive lead screw and drive gear downward movement when pneumatic cylinder work promotes the movable seat downward movement, through the setting of rack board, drive gear can take place to rotate and drive the lead screw and rotate, the lead screw rotation drives nut cover and movable disk rather than threaded connection and removes, the movable disk removes and drives the catch bar and push away the material ring and remove to one side that is close to the fixing base.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a front perspective view of a press frame of the present invention;
FIG. 2 is a schematic view of the front structure of the work surface of the present invention;
FIG. 3 is a schematic view of the backside structure of the work surface of the present invention;
FIG. 4 is a side view of a work surface of the present invention;
FIG. 5 is a schematic view of the position relationship between the lower die assembly and the upper die assembly according to the present invention;
FIG. 6 is a schematic view of the stamping upper die assembly of the present invention;
FIG. 7 is an exploded view of the press lower die assembly of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 5A in accordance with the present invention;
FIG. 9 is a schematic view of the structure of the automatic pushing assembly of the present invention;
FIG. 10 is a schematic view of the conductive sheet of the present invention bent into a circular shape;
Fig. 11 is a schematic view of the structure of the punched conductive sheet according to the present invention when the conductive sheet is removed.
In the figure: 10. a stamping frame; 11. a stamping chamber; 20. stamping the lower die assembly; 21. a lower mold core; 22. an arc groove; 23. protruding ridges; 24. a lower die holder; 25. a fixed base; 26. a connection substrate; 27. a reset plate; 28. a slide bar; 29. a return spring; 210. a limit baffle; 211. a blocking piece; 212. a sliding block; 213. slotting; 214. a pushing block; 215. adjusting a screw; 216. a guide groove; 30. stamping an upper die assembly; 31. an upper punching column; 32. a movable seat; 33. a fixing seat; 34. a support block; 35. tensioning the spring; 36. a hinge base; 37. a hydraulic cylinder; 40. an automatic pushing component; 41. a pushing ring; 42. a screw rod; 43. a push rod; 44. a movable plate; 45. a nut sleeve; 46. a drive gear; 47. rack plate; 48. and fixing the base.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1 to 5, the press forming device for the connecting terminal of the present invention comprises a press frame 10 and a press chamber 11 located at the top of the press frame 10 for press forming the connecting terminal; a stamping lower die assembly 20 is fixedly arranged on a stamping table top at the bottom of the stamping cavity 11, the stamping lower die assembly 20 comprises two rotatable lower die cores 21 with arc grooves 22 formed on opposite end surfaces, and a convex rib 23 for bending the edge of the connecting terminal inwards is formed between the top of the arc grooves 22 and the lower die cores 21; a stamping upper die assembly 30 for applying external force to stamp the connecting terminal is arranged right above the stamping lower die assembly 20, the stamping upper die assembly 30 comprises an upper stamping column 31 which corresponds to the two lower die cores 21 and is horizontally arranged, when the upper stamping column 31 moves downwards to stamp the connecting terminal into the inner cavities of the two lower die cores 21, the two lower die cores 21 relatively rotate and are matched with the convex edges 23 to realize that the connecting terminal is stamped into a circular shape at one time and is sleeved outside the upper stamping column 31; one side of the upper stamping die assembly 30 is provided with an automatic pushing assembly 40 for blanking the stamped connecting terminal, the automatic pushing assembly 40 comprises a pushing ring 41 and a screw rod 42, the pushing ring 41 is sleeved outside the upper stamping column 31 and moves in cooperation with the rotation of the screw rod 42 to automatically blanking the connecting terminal sleeved outside the upper stamping column 31.
In detail, the punched conductive sheet is placed on the two lower mold cores 21, the upper punching column 31 is pushed to move downwards by the movement of the upper punching mold assembly 30 and punched, the conductive sheet is stressed to be bent into a U shape, after the conductive sheet contacts with the bottoms of the two lower mold cores 21, the two lower mold cores 21 are stressed to rotate inwards relatively, then the two sides of the conductive sheet can be bent and extruded by the arrangement of the two protruding ribs 23, the conductive sheet is pressed into a circular ring shape at one time, when the upper punching mold assembly 30 completes the process of returning to the original position upwards by the punching, and the conductive sheet clamped on the surface of the upper punching column 31 can be simultaneously subjected to stripping treatment by the arrangement of the automatic material pushing assembly 40.
Further, as shown in fig. 5, 7 and 8, the punching lower die assembly 20 further includes: the two opposite lower die holders 24 are arranged oppositely and are Z-shaped, the opposite end surfaces of the two lower die holders 24 are respectively provided with a round corner shape, and the two lower die cores 21 are respectively matched and arranged at the two round corners; the fixed base 25, the installation intracavity that two die holders 24 all fixed setting were offered at fixed base 25 middle part, and fixed base 25's the fixed connection base 26 that has offered guide way 216 in the dorsal part, two die cores 21 rotate with connection base 26 through the pivot that inside was equipped with respectively and be connected, and pivot and the setting of fillet concentric circles.
It should be noted that, through the setting of two fillets, the bottom corner of lower mold core 21 also cooperatees to set up to be circular-arc simultaneously, when the bottom of two lower mold cores 21 receives decurrent effort like this, two lower mold cores 21 can rotate along the pivot in the fillet inboard.
As shown in fig. 7 and 10, a reset plate 27 is disposed between the two lower mold bases 24 at the bottom of the two lower mold cores 21, sliding rods 28 are fixedly disposed at four corners of the bottom end of the reset plate 27, a baffle plate is fixedly disposed at the bottom end of the sliding rod 28 through the stamping cavity 11, a reset spring 29 is sleeved at the bottom of the sliding rod 28, and two ends of the reset spring 29 are fixedly connected with the top end of the baffle plate and the bottom end of the stamping cavity 11 respectively.
It should be noted that, the setting through reset plate 27 can play the effect of supporting two lower mold cores 21, can avoid lower mold core 21 to appear pivoted condition to the inboard because of receiving self gravity, and through reset spring 29's setting, can promote reset plate 27 and move downwards when lower mold core 21 rotates, at this moment reset spring 29 atress is in tensile state, when lower mold core 21 atress, can make reset plate 27 resume the normal position through reset spring 29's elasticity effect, also can lift two lower mold cores 21 to the normal position through reset plate 27 simultaneously.
Specifically, as shown in fig. 5, 7 and 8, the lower punch assembly 20 further includes: two L-shaped limit baffles 210 which are oppositely arranged, wherein the two limit baffles 210 are fixedly arranged at the top ends of the two lower die holders 24 respectively and are positioned at two sides of the two lower die cores 21; the inboard of limit baffle 210 all is provided with the stop block 211, and the one end of stop block 211 is fixed to be provided with slider 212, and slider 212 cooperatees the slip setting and runs through in the fluting 213 of seting up on limit baffle 210, and the outside of slider 212 is fixed to be provided with the impeller block 214, and one side of impeller block 214 is provided with the adjusting screw 215 that promotes its position.
In detail, through the setting of two limit baffles 210, the position about the conducting strip to be punched can be limited, the possibility that deviation appears in the conducting strip position in the punching process is reduced, and through two blocking blocks 211 that set up, the position of blocking block 211 can be adjusted according to the length that the conducting strip needs to be buckled into the pipe, can guarantee to let the conducting strip need the border coplanarity of return bend part and two lower mold core 21's border, and the length of going up punching press post 31 is greater than the length of two lower mold cores 21, like this when going up punching press post 31 down punching press, can buckle into the ring shape with the part that carries out the return bend now completely and can not buckle the conducting strip end and need not the part of return bend.
Further, as shown in fig. 5 and 6, the punching upper die assembly 30 further includes: the movable seat 32, the top of the movable seat 32 is provided with a hydraulic cylinder 37, and the output end of the hydraulic cylinder 37 is fixedly arranged in the middle of the top end of the movable seat 32; the fixed seat 33 is matched with the guide groove 216 to slide and is positioned right above the guide groove, the fixed seat 33 is fixedly arranged on one side of the bottom end of the movable seat 32, and one end of the upper punching column 31 is fixedly connected with the fixed seat 33.
In detail, the movable seat 32 can be pushed to move downwards by the hydraulic cylinder 37, the movable seat 32 can drive the fixed seat 33 and the upper punching column 31 to move downwards, the upper punching column 31 is matched with the two lower mold cores 21 to complete the operation of punching and bending the rear conductive sheet into a tube, and the stability of the moving process position of the movable seat 32 can be improved by the sliding fit of the guide groove 216 and the fixed seat 33.
As shown in fig. 6, an opening is formed in the middle of the outer side of the movable seat 32, a supporting block 34 that supports against one end of the upper punching column 31 is rotatably disposed in the opening, a tensioning spring 35 is obliquely disposed on the inner side of the supporting block 34, two ends of the tensioning spring 35 are fixedly provided with hinge seats 36, and the two hinge seats 36 are fixedly connected with the movable seat 32 and the supporting block 34 respectively.
It should be noted that, through the setting of supporting shoe 34, when last punching press post 31 atress is to conducting strip when punching press operation downwards, can play the effect of supporting to the one end of going up punching press post 31, improve the joint strength of going up punching press post 31 and fixing base 33, and through rotating supporting shoe 34 and movable seat 32 to be connected, when taking off the material to the conducting strip of cutting ferrule on going up punching press post 31, the supporting shoe 34 atress can appear rotating, avoid taking place to interfere with the conducting strip, can pull supporting shoe 34 to the normal position after taking off the material through the setting of tensioning spring 35.
Further, as shown in fig. 3, 9 and 11, the automatic pushing assembly 40 further includes: at least two push rods 43, one end of each push rod 43 is fixedly connected with the pushing ring 41 and distributed at equal intervals along the circumferential direction, the other end of each push rod 43 penetrates through the fixed seat 33 in a sliding manner to be fixedly connected with the same movable disc 44, and a nut sleeve 45 is fixedly arranged in the middle of the outer side of the movable disc 44. The lead screw 42 is located inside the push rod 43, one end of the lead screw 42 is rotatably connected with the fixed seat 33 through a bearing, and the other end of the lead screw 42 passes through the movable disc 44 to be in threaded connection with the nut sleeve 45. One end of the screw rod 42, which is arranged at the outer side of the movable disc 44, is fixedly provided with a driving gear 46, one side of the driving gear 46 is meshed with a rack plate 47, the bottom of the rack plate 47 is fixedly provided with a fixed base 48, and the fixed base 48 is fixedly arranged on a stamping table surface at the bottom of the stamping cavity 11.
It should be noted that, when the stamping upper die assembly 30 is located at the uppermost position, the pushing ring 41 is located at a side of the upper stamping column 31 near the supporting block 34, when the hydraulic cylinder 37 works to push the movable seat 32 to move downwards, the screw rod 42 and the driving gear 46 are driven to move downwards, through the arrangement of the rack plate 47, the driving gear 46 rotates and drives the screw rod 42 to rotate, the screw rod 42 rotates to drive the nut sleeve 45 and the movable disc 44 which are in threaded connection with the screw rod 42 to move, and the movable disc 44 moves to drive the pushing rod 43 and the pushing ring 41 to move towards a side near the fixed seat 33.
In detail, when the hydraulic cylinder 37 moves the upper punching column 31 to contact with the conductive sheet to be punched, the pushing ring 41 is located at one side of the upper punching column 31 close to the fixing seat 33, so that the pushing ring 41 does not interfere when the upper punching column 31 punches the conductive sheet;
At this time, the driving gear 46 moves to the bottom of the rack plate 47 and is separated from the meshing state of the rack plate 47, when the upper punching column 31 continuously moves downwards to punch the conductive sheet, the driving gear 46 does not continuously rotate, meanwhile, the screw rod 42 does not continuously rotate, and at this time, the pushing ring 41 keeps the existing position and does not continuously move;
When the upper punching column 31 completes the punching and moves upwards from the lowest position, at this time, after the punched conductive sheet is separated from the lower mold core 21, the driving gear 46 is meshed with the rack plate 47 again, at this time, the pushing ring 41 pushes the conductive sheet to move upwards to the outer side of the punching column 31 until the operation of stripping the punched conductive sheet is completed when the punching upper mold assembly 30 moves to the original position, and an electric stripping structure is not required to be separately arranged, so that the cost brought by electric equipment and electricity can be reduced.
Working principle:
Before stamping, firstly placing the punched conducting strip at the top ends of the two lower mold cores 21, adjusting the positions of the two blocking blocks 211 through an adjusting screw 215, and ensuring that the edge of the conducting strip required to be bent is coplanar with the edges of the two lower mold cores 21 when the inner side of the conducting strip is in contact with the blocking blocks 211;
the punching operation, the hydraulic cylinder 37 works to push the movable seat 32 and the upper punching column 31 to move downwards, when the upper punching column 31 moves to contact with the conductive sheet, the pushing ring 41 is located at the innermost side of the upper punching column 31, and the driving gear 46 is disengaged from the rack plate 47;
The upper stamping column 31 continues to move downwards and is matched with the two lower die cores 21, the conductive sheet is stamped into a U shape, when the bottom of the conductive sheet is contacted with the bottoms of the two lower die cores 21, the two lower die cores 21 are stressed to rotate inwards, the shrinkage mouth between the two convex ridges 23 is reduced, the two sides of the conductive sheet are extruded, and when the two lower die cores 21 rotate to the maximum angle, the conductive sheet is bent into a circular shape through the two convex ridges 23, so that the conductive sheet can be stamped into the circular shape at one time through the cooperation of the upper stamping column 31 and the two lower die cores 21, and the operation flow of stamping is reduced;
After the stamping is completed, the hydraulic cylinder 37 retracts to drive the movable seat 32 to move upwards, when the conductive sheet is separated from the lower die core 21, the driving gear 46 is meshed with the rack plate 47 again, at this time, the pushing ring 41 pushes the conductive sheet clamped on the surface of the upper stamping column 31 to move, and when the movable seat 32 moves to the original position, the pushing ring 41 just completes the stripping operation of the conductive sheet.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A connecting terminal stamping forming device is characterized by comprising a stamping frame (10) and a stamping cavity (11) which is positioned at the top of the stamping frame (10) and is used for stamping forming a connecting terminal; a stamping lower die assembly (20) is fixedly arranged on a stamping table top at the bottom of the stamping cavity (11), the stamping lower die assembly (20) comprises two rotatable lower die cores (21) with arc grooves (22) formed in opposite end surfaces, and a convex edge (23) for bending the edge of the connecting terminal inwards is formed between the top of the arc groove (22) and the lower die cores (21); a stamping upper die assembly (30) for applying external force to stamp the connecting terminal is arranged right above the stamping lower die assembly (20), the stamping upper die assembly (30) comprises an upper stamping column (31) which corresponds to the two lower die cores (21) and is horizontally arranged, and when the upper stamping column (31) moves downwards to stamp the connecting terminal into the inner cavities of the two lower die cores (21), the two lower die cores (21) relatively rotate and are matched with the convex ribs (23) to realize that the connecting terminal is stamped into a circular shape at one time and is sleeved outside the upper stamping column (31); one side of the stamping upper die assembly (30) is provided with an automatic pushing assembly (40) for blanking the stamped connecting terminal, the automatic pushing assembly (40) comprises a pushing ring (41) and a screw rod (42), the pushing ring (41) is sleeved outside the upper stamping column (31) and is matched with the screw rod (42) to automatically discharge the clamping sleeve on the connecting terminal outside the upper stamping column (31) by moving in a rotating mode.
2. The connecting terminal press forming device according to claim 1, wherein the press lower die assembly (20) further comprises: the two opposite lower die holders (24) are arranged oppositely and are Z-shaped, the opposite end surfaces of the two lower die holders (24) are respectively provided with a round corner shape, and the two lower die cores (21) are respectively matched and arranged at the two round corners; unable adjustment base (25), two die holder (24) are all fixed to be set up in the installation intracavity of seting up at unable adjustment base (25) middle part, just unable adjustment base (25) the fixed connection base plate (26) that has offered guide way (216) in the dorsal part is provided with the top, two die core (21) are rotated through the pivot that inside was equipped with respectively with connection base plate (26) and are connected, just pivot and the setting of fillet syncircular center.
3. The connecting terminal stamping forming device according to claim 2, wherein a reset plate (27) is arranged between two lower die holders (24) at the bottom of two lower die cores (21), sliding rods (28) are fixedly arranged at four corners of the bottom end of the reset plate (27), a baffle plate is fixedly arranged at the bottom end of the sliding rod (28) through a stamping cavity (11), a reset spring (29) is sleeved at the bottom of the sliding rod (28), and two ends of the reset spring (29) are fixedly connected with the top end of the baffle plate and the bottom end of the stamping cavity (11) respectively.
4. A connecting terminal press forming device according to claim 3, wherein the press lower die assembly (20) further comprises: two L-shaped limit baffles (210) which are oppositely arranged, wherein the two limit baffles (210) are fixedly arranged at the top ends of the two lower die holders (24) respectively and are positioned at two sides of the two lower die cores (21); the inner sides of the limit baffles (210) are respectively provided with a blocking block (211), one ends of the blocking blocks (211) are fixedly provided with sliding blocks (212), the sliding blocks (212) are arranged in grooves (213) formed in the limit baffles (210) in a penetrating mode in a matched sliding mode, pushing blocks (214) are fixedly arranged on the outer sides of the sliding blocks (212), and one sides of the pushing blocks (214) are provided with adjusting screws (215) for pushing the positions of the pushing blocks.
5. The connecting terminal press forming device according to claim 2, wherein the press upper die assembly (30) further comprises: the movable seat (32), the top of the movable seat (32) is provided with a hydraulic cylinder (37), and the output end of the hydraulic cylinder (37) is fixedly arranged in the middle of the top end of the movable seat (32); the fixed seat (33) is matched with the guide groove (216) to slide and is positioned right above the guide groove, the fixed seat (33) is fixedly arranged on one side of the bottom end of the movable seat (32), and one end of the upper punching column (31) is fixedly connected with the fixed seat (33).
6. The connecting terminal stamping forming device according to claim 5, wherein an opening is formed in the middle of the outer side of the movable seat (32), a supporting block (34) which is used for supporting one end of the upper stamping column (31) in a supporting manner is rotatably arranged in the opening, a tensioning spring (35) is obliquely arranged on the inner side of the supporting block (34), hinged seats (36) are fixedly arranged at two ends of the tensioning spring (35), and the two hinged seats (36) are fixedly connected with the movable seat (32) and the supporting block (34) respectively.
7. The connection terminal stamping forming apparatus of claim 5, wherein the automatic pushing assembly (40) further comprises: at least two push rods (43), one end of each push rod (43) is fixedly connected with a pushing ring (41) and distributed at equal intervals along the circumferential direction, the other end of each push rod (43) penetrates through a fixed seat (33) in a sliding mode to be fixedly connected with the same movable disc (44), and a nut sleeve (45) is fixedly arranged in the middle of the outer side of each movable disc (44).
8. The connecting terminal stamping forming device according to claim 7, wherein the screw rod (42) is located at the inner side of the pushing rod (43), one end of the screw rod (42) is rotatably connected with the fixed seat (33) through a bearing, and the other end of the screw rod (42) passes through the movable disc (44) to be in threaded connection with the nut sleeve (45).
9. The connecting terminal stamping forming device according to claim 8, wherein a driving gear (46) is fixedly arranged at one end of the screw rod (42) arranged outside the movable disc (44), a rack plate (47) is meshed with one side of the driving gear (46), a fixing base (48) is fixedly arranged at the bottom of the rack plate (47), and the fixing base (48) is fixedly arranged on a stamping table surface at the bottom of the stamping cavity (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410552150.7A CN118137259A (en) | 2024-05-07 | 2024-05-07 | Connecting terminal stamping forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410552150.7A CN118137259A (en) | 2024-05-07 | 2024-05-07 | Connecting terminal stamping forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118137259A true CN118137259A (en) | 2024-06-04 |
Family
ID=91246044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410552150.7A Pending CN118137259A (en) | 2024-05-07 | 2024-05-07 | Connecting terminal stamping forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118137259A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3258551A1 (en) * | 2016-06-16 | 2017-12-20 | Tyco Electronics (Shanghai) Co., Ltd. | Terminal bending unit and terminal bending apparatus |
| CN113664106A (en) * | 2021-07-14 | 2021-11-19 | 陈笑涵 | Binding post punching machine |
| CN215697096U (en) * | 2021-08-30 | 2022-02-01 | 昆山飞聚电子有限公司 | Bending device for wire connecting terminal |
-
2024
- 2024-05-07 CN CN202410552150.7A patent/CN118137259A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3258551A1 (en) * | 2016-06-16 | 2017-12-20 | Tyco Electronics (Shanghai) Co., Ltd. | Terminal bending unit and terminal bending apparatus |
| CN113664106A (en) * | 2021-07-14 | 2021-11-19 | 陈笑涵 | Binding post punching machine |
| CN215697096U (en) * | 2021-08-30 | 2022-02-01 | 昆山飞聚电子有限公司 | Bending device for wire connecting terminal |
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