CN107685107B - Contact supporting seat forming tool - Google Patents

Contact supporting seat forming tool Download PDF

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Publication number
CN107685107B
CN107685107B CN201710950669.0A CN201710950669A CN107685107B CN 107685107 B CN107685107 B CN 107685107B CN 201710950669 A CN201710950669 A CN 201710950669A CN 107685107 B CN107685107 B CN 107685107B
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CN
China
Prior art keywords
die holder
plate
dies
punching head
lower die
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Active
Application number
CN201710950669.0A
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Chinese (zh)
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CN107685107A (en
Inventor
王诚
杨克雄
李均
丁水平
陈玄
郑丽琳
吴梅坤
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XIAMEN RONGXINDA INDUSTRY CO LTD
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XIAMEN RONGXINDA INDUSTRY CO LTD
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Priority to CN201710950669.0A priority Critical patent/CN107685107B/en
Publication of CN107685107A publication Critical patent/CN107685107A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/08Dies with different parts for several steps in a process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/027Combined feeding and ejecting devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention discloses a contact support seat forming tool which comprises an upper die seat, a stop plate, a stripping plate and a lower die seat. The upper die holder is arranged on the punch press, a plurality of outer guide posts are respectively fixed on the periphery of the upper surface of the lower die holder, a plurality of outer guide post sleeves are fixedly arranged at the relative positions of the upper die holder, and the outer guide posts are in sliding fit with the outer guide post sleeves. A plurality of inner guide posts are fixedly arranged below the upper die holder, inner guide post holes matched with the inner guide posts are formed in the relative positions of the lower die holder, and through holes for the inner guide posts to pass through are respectively formed in the stop plate and the stripper plate. A plurality of groups of springs are vertically arranged between the stop plate and the upper die holder. And a plurality of groups of punches are arranged below the upper die holder, and a plurality of groups of female dies matched with the groups are arranged at the relative positions of the lower die holder. The invention has the advantages that: the contact supporting seat forming tool capable of realizing continuous discharging is high in production efficiency. The shipment rate is greatly improved, and meanwhile, the production cost is reduced.

Description

Contact supporting seat forming tool
Technical Field
The invention relates to the technical field of continuous blanking dies, in particular to a contact support seat forming tool.
Background
In the high-voltage electrical appliance product, the contact is used as a necessary conductive sliding connection part to be installed on a handcart such as a breaker handcart, a PCT handcart, a fuse handcart, an isolation handcart primary barrier handcart and the like, is used for realizing conductive connection between the defect removal and static contact, and has the advantages of compact structure, high reliability and excellent performance.
The contact is assembled by contact supporting seat, contact and shell fragment, the supporting seat shape comparatively complicated and the precision requirement is higher, needs the combination of multichannel process to realize its processing, traditional contact supporting seat processing generally needs many sets of moulds to accomplish jointly, production efficiency is low, can't satisfy the production requirement of continuous ejection of compact.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a contact support seat forming tool capable of realizing continuous discharging, which has high production efficiency. The shipment rate is greatly improved, and meanwhile, the production cost is reduced.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
a contact support seat forming tool comprises an upper die seat, a stop plate, a stripper plate and a lower die seat, wherein the upper die seat is arranged on a punch. A plurality of outer guide posts are respectively fixed around the periphery of the upper surface of the lower die holder, a plurality of outer guide post sleeves are fixedly arranged at the relative positions of the upper die holder, and the outer guide posts are in sliding fit with the outer guide post sleeves. The lower die holder is characterized in that a plurality of inner guide posts are fixedly arranged below the upper die holder, inner guide post holes matched with the inner guide posts are formed in the relative positions of the lower die holder, and through holes for the inner guide posts to pass through are respectively formed in the stop plate and the stripper plate. A plurality of groups of springs are vertically arranged between the stop plate and the upper die holder, one end of each spring is fixedly connected with the upper die holder, and the other end of each spring is fixedly connected with the stop plate. The stripper plate is arranged below the stop plate and fixedly connected with the stop plate.
The upper die holder is provided with a plurality of groups of punches along the discharging direction, and a plurality of groups of female dies matched with the plurality of groups of punches are arranged on the relative positions of the lower die holder. The stop plate and the stripper plate are provided with through holes for the punch to pass through.
Two rows of floating pins are arranged on one side, close to the feeding end, of the lower die holder, and a material belt is movably arranged on the inner sides of the two rows of floating pins. The material belt is connected with pushing equipment at one side of the feeding end, and the material belt is pushed by the pushing equipment to continuously advance towards the discharging direction. And a jacking pin for jacking the material belt away from the die surface and a hanging block for preventing the material belt from moving and bouncing are arranged on one side, close to the discharge end, of the lower die seat. And buffer springs are connected below the buoyancy lift pins, the jacking pins and the hanging blocks.
The top of the upper die holder is an upper base, an upper clamping plate is arranged below the upper base, and an upper base plate is arranged between the upper clamping plate and the upper base. The inner guide post and the punch head penetrate through the upper clamping plate and are fixed on the upper base plate, and the spring penetrates through the upper clamping plate and the upper base plate and is fixed on the upper base. The bottom of the lower die holder is a lower base, a lower die plate is arranged above the lower base, a lower base plate is arranged between the lower die plate and the lower base, and the female die penetrates through the lower die plate and is fixed on the lower base plate.
Further, the punching heads of the groups are a round hole punching head, a U-shaped hole punching head, a convex bending punching head, an H-shaped hole punching head, a first side hole punching head, a second side hole punching head, a trimming punching head, a pre-bending punching head, a 90-degree forming punching head and a blanking punching head from feeding to discharging. The round hole punch, the U-shaped hole punch, the convex bending punch, the trimming punch, the pre-bending punch and the 90-degree forming punch are two and are symmetrically arranged along the central line of the discharging direction relative to the lower die base. The first side hole punch and the second side hole punch are symmetrically arranged relative to the middle line of the lower die holder along the discharging direction.
Further, the relative position of the lower die holder is provided with a round hole die, a U-shaped hole die, a convex bending die, an H-shaped hole die, a first side hole die, a second side hole die, a trimming die, a pre-bending die, a 90-degree forming die and a blanking die which are matched with each other, and a U-shaped hole die, a convex bending die, an H-shaped hole die, a first side hole die, a second side hole die, a trimming die, a pre-bending die, a 90-degree forming die and a blanking die.
Further, a plurality of equal-height sleeves for limiting the height are arranged between the stripper plate and the upper base plate, one side of each equal-height sleeve is fixedly connected with the upper base plate, the other side of each equal-height sleeve is fixedly connected with the stripper plate, and through holes for the equal-height sleeves to pass through are formed in the upper clamping plate and the stop plate.
Further, one end of the stop plate is downwards and vertically fixed with a plurality of guide nails for guiding and positioning, the lower die holder is provided with a plurality of positioning holes matched with the guide nails, and the stripper plate is provided with a plurality of through holes for the guide nails to pass through.
Further, clamping grooves for supporting and guiding the material belt are respectively arranged at the inner side opposite positions of the two rows of floating pins, and the material belt is installed on the clamping grooves and advances to the discharging direction through the pushing of the pushing equipment.
When continuously stamping, stamping is carried out once, the floating pin and the material belt are downwards moved to the lower die plate, and stamping forming is carried out once. The punch rises, the upper die holder rises, the buffer spring below the floating pin makes the floating pin and the material belt rise together, and the feeding mechanism feeds forward for one step to complete one cycle.
The processing steps of the invention are as follows:
s1, assembling a die: the method comprises the steps of completing die assembly, fixedly mounting an upper die holder on a punch press, inserting a material belt into clamping grooves of two rows of floating pins, and connecting the material belt with a pushing device at a feeding end;
s2, punching and trimming: the material belt continuously advances along the discharging direction, the punch press repeatedly acts, and the upper die holder descends to punch and trim the workpiece;
s3, bulge forming: the material belt continuously advances along the discharging direction, the punch repeatedly acts, and the upper die holder descends to form the bulges on the workpiece;
s4, pre-bending: after punching, trimming and bulge forming are completed, continuously advancing the material belt along the discharging direction, enabling the punch to act, and enabling the upper die holder to descend so as to pre-bend the workpiece;
s5.90-degree bending and forming: after the pre-bending is completed, the material belt continues to advance, the punch press acts, and the upper die holder descends to bend and shape the workpiece by 90 degrees;
s6, cutting a finished product: after punching, trimming and 90-degree forming are completed on the material belt, the punch press acts, and the upper die holder descends to cut the workpiece;
the material belt is continuously fed along the discharging direction to complete continuous discharging by matching with the continuous action of the punch.
The invention has the following beneficial effects: the contact supporting seat forming tool capable of realizing continuous discharging is high in production efficiency, and production cost is reduced while shipment rate is greatly improved.
Drawings
Fig. 1 is a schematic perspective view of a contact support base.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a bottom view of the upper die holder of the present invention.
Fig. 5 is a top view of the lower die holder of the present invention.
Fig. 6 is a schematic view of a web.
FIG. 7 is a schematic view of a stopper plate of the present invention.
FIG. 8 is a schematic view of a stripper plate of the present invention.
Description of main reference numerals: 1. an upper die holder; 11. an upper base; 12. an upper backing plate; 13. an upper clamping plate; 101. an outer guide post sleeve; 102. an inner guide post; 103. a spring; 104. a contour sleeve; 105. guiding nails; 2. a lower die holder; 21. a lower base; 22. a lower backing plate; 23. a lower template; 201. an outer guide post; 202. an inner guide post hole; 203. a buoyancy pin; 2031. a clamping groove; 204. a float material pin; 205. hanging a material block; 3. a stop plate; 31. guiding nails; 301. positioning holes; 302. a guide post through hole in the baffle plate; 4. a stripper plate; 401. nail holes of the stripper plate; 402. a guide post through hole in the stripper plate; 404. the stop plate is sleeved with the through holes at equal heights; 50. a round hole punch; 51. u-shaped hole punch; 52. a convex bending punch; 53. h-shaped hole punch; 54. a first side hole punch; 55. a second side hole punch; 56. trimming punch; 57. pre-bending the punch; 58. forming a punch at 90 degrees; 59. cutting punch heads; 60. round hole female die; 61. u-shaped hole female die; 62. a convex forming female die; 63. h-shaped hole female die; 64. a first side hole female die; 65. a second side hole female die; 66. trimming female dies; 67. pre-bending the female die; 68. forming a female die at 90 degrees; 69. cutting a female die; 70-79, through holes for the punches to pass through are formed in the stop plates; 80-89, a through hole for a punch to pass through is formed in the stripper plate; 9. a material belt; 91. and a contact supporting seat. 911. A round hole; 912. a U-shaped hole; 913. a protrusion; 914. a first side hole; 915. and a second side hole.
Detailed Description
The invention will be further described with reference to the drawings and detailed description.
As shown in fig. 1 to 8, the contact support seat 91 forming tool comprises an upper die holder 1, a stop plate 3, a stripper plate 4 and a lower die holder 2, wherein the upper die holder 1 is arranged on a punch. The stop plate 3 and the stripper plate 4 are arranged between the upper die holder 1 and the lower die holder 2, and the stripper plate 4 is arranged below the stop plate 3 and fixedly connected with the stop plate 3.
Four outer guide posts 201 are vertically fixed around the upper surface of the lower die holder 2, four outer guide post sleeves 101 are fixedly arranged at the opposite positions of the upper die holder 1, and the outer guide posts 201 are in sliding fit with the outer guide post sleeves 101. Six inner guide posts 102 are fixedly arranged below the upper die holder 1, six inner guide post holes 202 matched with the inner guide posts 102 are formed in the relative position of the lower die holder 2, and inner guide post through holes 302 and 402 for the inner guide posts 102 to pass through are respectively formed in the stop plate 3 and the stripper plate 4.
The upper die holder 1 is provided with a plurality of groups of punches along the discharging direction, and the relative position of the lower die holder 2 is provided with a plurality of groups of female dies matched with the plurality of groups of punches. The stopper plate 3 is provided with through holes 70 to 79 through which the punch passes, and the stripper plate 4 is provided with through holes 80 to 89 through which the punch passes.
Two rows of lifting pins 203 are arranged on one side of the lower die holder 2 near the feeding end, and clamping grooves 2031 for supporting the material belt are respectively formed in the inner side opposite positions of the two rows of lifting pins 203. The material belt 9 is connected with pushing equipment on one side of the feeding end, and the material belt 9 is pushed by the pushing equipment to continuously advance towards the discharging direction. The lower die holder 2 is close to the discharge end one side and is equipped with the liftout round pin 204 that is used for ejecting the material area 9 from the die face and is used for preventing the material area 9 removal and the hanging material piece 205 of bouncing, and the lift pin 203, the floating material round pin 204 and hanging material piece 205 below are connected with buffer spring. During continuous stamping, the floating pin 204 and the material belt 9 are stamped once and run down to the lower die plate 23, the stamping machine is stamped once, the upper die holder 1 is lifted, the buffer spring below the floating pin 204 enables the floating pin 204 and the material belt 9 to be lifted together, and the feeding mechanism feeds forward for one step, so that one cycle is completed.
The top of the upper die holder 1 is provided with an upper base 11, an upper clamping plate 13 is arranged below the upper base 11, and an upper base plate 12 is fixed between the upper clamping plate 13 and the upper base 11. The inner guide post 102 and the punch penetrate through the upper clamping plate 13 and are fixed on the upper base plate 12, a plurality of groups of springs 103 are vertically arranged between the stop plate 3 and the upper die holder 1, one end of each spring 103 penetrates through the upper clamping plate 13 and the upper base plate 12 and is fixed on the upper base 11, and the other end of each spring 103 is fixedly connected with the stop plate 3. The bottom of the lower die holder 2 is provided with a lower base 21, a lower die plate 23 is arranged above the lower base 21, a lower base plate 22 is fixed between the lower die plate 23 and the lower base 21, and a female die passes through the lower die plate 23 and is fixed on the lower base plate 22.
The punching heads of the plurality of groups are a round hole punching head 50, a U-shaped hole punching head 51, a convex bending punching head 52, an H-shaped hole punching head 53, a first side hole punching head 54, a second side hole punching head 55, a trimming punching head 56, a pre-bending punching head 57, a 90-degree forming punching head 58 and a blanking punching head 59 in sequence from feeding to discharging. The round hole punch 50, the U-shaped hole punch 51, the convex bending punch 52, the trimming punch 56, the pre-bending punch 57 and the 90-degree forming punch 58 are two and are symmetrically arranged relative to the central line of the discharging direction of the lower die holder 2. The first side hole punch 54 and the second side hole punch 55 are symmetrically arranged with respect to a center line of the lower die holder 2 in the discharging direction.
The lower die holder 2 is provided with a round hole die 60, a U-shaped hole die 61, a convex bending die 62, an H-shaped hole die 63, a first side hole die 64, a second side hole die 65, a trimming die 66, a pre-bending die 67, a 90-degree forming die 68 and a blanking die 69 which are matched with the round hole punch 50, the U-shaped hole punch 51, the convex bending punch 52, the H-shaped hole punch 53, the first side hole punch 54, the second side hole punch 55, the trimming punch 56, the pre-bending punch 57, the 90-degree forming punch 58 and the blanking punch 59 at the relative positions.
A plurality of equal-height sleeves 104 for limiting the height are arranged between the stripper plate 4 and the upper base plate 12, one side of each equal-height sleeve 104 penetrates through the upper clamping plate 13 and is fixedly connected with the upper base plate 12, the other end of each equal-height sleeve is fixedly connected with the stripper plate 4, and baffle equal-height sleeve through holes 404 for the equal-height sleeves 104 to penetrate through are formed in the baffle plate 3.
One end of the stop plate 3 is vertically and fixedly provided with a plurality of guide nails 105 for guiding and positioning downwards, the lower die holder 2 is provided with a plurality of positioning holes 301 matched with the guide nails 105, and the stripper plate 4 is provided with a plurality of stripper plate nail holes 401 for the guide nails 105 to pass through.
The processing steps of the invention are as follows:
s1, assembling a die: the die assembly is completed, the upper die holder 1 is fixedly installed on a punch press, the material belt 9 is inserted into the clamping grooves 2031 of the two rows of floating pins 203, and the material belt 9 is connected with a pushing device at the feeding end;
s2, punching a round hole: the material belt 9 advances along the discharging direction, the punch press acts, and the upper die holder 1 descends to punch a round hole on the workpiece;
s3, punching U-shaped holes: the material belt 9 advances along the discharging direction, the punch press acts, and the upper die holder 1 descends to punch a U-shaped hole on the workpiece;
s4, bulge forming: the material belt 9 advances along the discharging direction, the punch press acts, and the upper die holder 1 descends to form the bulges of the workpiece;
s5, punching H-shaped holes: the material belt 9 advances along the discharging direction, the punch press acts, and the upper die holder 1 descends to punch H-shaped holes on the workpiece;
s6, punching a first side hole and a second side hole: the material belt 9 advances along the discharging direction, the punch moves, and the upper die holder 1 descends to punch the first side hole and the second side hole on the workpiece;
s7, trimming, namely, progressive feeding the material belt 9 along the discharging direction, and performing punch press action, wherein the upper die holder 1 descends to trim a workpiece;
s8, pre-bending: the material belt 9 advances along the discharging direction, the punch press acts, and the upper die holder 1 descends to pre-bend the workpiece;
s9.90 DEG molding: the material belt 9 advances along the discharging direction, the punch press acts, and the upper die holder 1 descends to form the workpiece by 90 degrees;
s10, blanking: the material belt 9 advances along the discharging direction, the punch press acts, and the upper die holder 1 cuts off the workpiece downwards to finish the processing of the contact support seat 91;
the material strip 9 is continuously fed along the discharging direction and matched with the continuous action of the punch press to finish continuous discharging.
The working principle of the invention is as follows: the material belt 9 passes through the clamping groove 2031 of the lifting pin 203, the material belt 9 is pushed by a pushing device to feed in the discharging direction of the continuous die according to the working steps, the material belt 9 sequentially passes through a round hole punch 50 for punching, a U-shaped hole punch 51 for punching, a convex bending punch 52 for forming, an H-shaped hole punch 53 for punching, a first side hole punch 54 for punching, a second side hole punch 55 for punching, a trimming punch 56 for trimming, a pre-bending punch 57 for pre-bending, a 90-degree forming punch 58 for forming and a blanking punch 59 for blanking, and then the contact support seat 91 is manufactured. The material belt 9 is continuously fed along the discharging direction to realize continuous discharging by matching with continuous action of the punch.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. A contact supporting seat forming tool is characterized in that: the blanking die comprises an upper die holder, a stop plate, a blanking plate and a lower die holder, wherein the upper die holder is arranged on a punch press, a plurality of outer guide posts are respectively fixed around the upper surface of the lower die holder, a plurality of outer guide post sleeves are fixedly arranged at the opposite positions of the upper die holder, the outer guide posts are in sliding fit with the outer guide post sleeves, a plurality of inner guide post holes matched with the inner guide posts are fixedly arranged below the upper die holder, through holes for the inner guide posts to pass through are respectively arranged at the opposite positions of the lower die holder, a plurality of groups of springs are vertically arranged between the stop plate and the upper die holder, one ends of the springs are fixedly connected with the upper die holder, the other ends of the springs are fixedly connected with the stop plate, and the blanking plate is arranged below the stop plate and is fixedly connected with the stop plate;
the upper die holder is provided with a plurality of groups of punches along the discharging direction, the relative position of the lower die holder is provided with a plurality of groups of female dies matched with the plurality of groups of punches, and the stop plate and the stripper plate are provided with through holes for the punches to pass through;
two rows of floating pins are arranged on one side, close to the feeding end, of the lower die holder, material belts are movably mounted on the inner sides of the two rows of floating pins, pushing equipment is connected to one side of the feeding end of the material belts, the material belts continuously advance in the discharging direction through pushing of the pushing equipment, a jacking pin for jacking the material belts away from the die surface and a hanging block for preventing the material belts from moving and bouncing are arranged on one side, close to the discharging end, of the lower die holder, and buffer springs are connected below the floating pins, the jacking pin and the hanging block;
the top of the upper die holder is an upper base, an upper clamping plate is arranged below the upper base, an upper base plate is arranged between the upper clamping plate and the upper base, the inner guide pillar and the punch head penetrate through the upper clamping plate and are fixed on the upper base plate, and the spring penetrates through the upper clamping plate and the upper base plate and is fixed on the upper base; the bottom of the lower die holder is a lower base, a lower die plate is arranged above the lower base, a lower base plate is arranged between the lower die plate and the lower base, and the female die passes through the lower die plate and is fixed on the lower base plate; one end of the stop plate is downwards and vertically fixed with a plurality of guide nails for guiding and positioning, the lower die holder is provided with a plurality of positioning holes matched with the guide nails, and the stripper plate is provided with a plurality of through holes for the guide nails to pass through.
2. The contact support base molding tool according to claim 1, wherein: the punching machine is characterized in that the punching heads of the plurality of groups are sequentially a round hole punching head, a U-shaped hole punching head, a convex bending punching head, an H-shaped hole punching head, a first side hole punching head, a second side hole punching head, a trimming punching head, a pre-bending punching head, a 90-degree forming punching head and a blanking punching head from feeding to discharging, the round hole punching head, the U-shaped hole punching head, the convex bending punching head, the trimming punching head, the pre-bending punching head and the 90-degree forming punching head are two and are symmetrically arranged relative to the central line of the lower die holder along the discharging direction, and the first side hole punching head and the second side hole punching head are symmetrically arranged relative to the central line of the lower die holder along the discharging direction.
3. The contact support base molding tool according to claim 2, wherein: the die holder is characterized in that round hole dies, U-shaped hole dies, protruding bending dies, H-shaped hole dies, first side hole dies, second side hole dies, trimming dies, pre-bending dies, 90-degree forming dies and blanking dies which are matched with the round hole dies, the U-shaped hole dies, the protruding bending dies, the H-shaped hole dies, the first side hole dies, the second side hole dies, the trimming dies, the pre-bending dies, the 90-degree forming dies and the blanking dies are arranged at the relative positions of the lower die holder.
4. The contact support base molding tool according to claim 1, wherein: a plurality of equal-height sleeves for limiting the height are arranged between the stripper plate and the upper base plate, one side of each equal-height sleeve is fixedly connected with the upper base plate, the other side of each equal-height sleeve is fixedly connected with the stripper plate, and through holes for the equal-height sleeves to pass through are formed in the upper clamping plate and the stop plate.
5. The contact support base molding tool according to claim 1, wherein: one end of the spring passes through the upper clamping plate and the upper backing plate and is fixed on the upper base, and the other end of the spring is fixedly connected with the stop plate.
6. The contact support base molding tool according to claim 1, wherein: the inner side opposite positions of the two rows of floating pins are respectively provided with clamping grooves for supporting and guiding the material belt, and the material belt is arranged on the clamping grooves and advances to the discharging direction through the pushing of the pushing equipment.
7. A method of machining a workpiece using a contact support base forming tool as claimed in any one of claims 1 to 6, comprising the steps of:
s1, assembling a die: the method comprises the steps of completing die assembly, fixedly mounting an upper die holder on a punch press, inserting a material belt into clamping grooves of two rows of floating pins, and connecting the material belt with a pushing device at a feeding end;
s2, punching and trimming: the material belt continuously advances along the discharging direction, the punch press repeatedly acts, and the upper die holder descends to punch and trim the workpiece;
s3, bulge forming: the material belt continuously advances along the discharging direction, the punch repeatedly acts, and the upper die holder descends to form the bulges on the workpiece;
s3, pre-bending: after punching, trimming and bulge forming are completed, continuously advancing the material belt along the discharging direction, enabling the punch to act, and enabling the upper die holder to descend so as to pre-bend the workpiece;
s4.90-degree bending and forming: after the pre-bending is completed, the material belt continues to advance, the punch press acts, and the upper die holder descends to bend and shape the workpiece by 90 degrees;
s5, cutting a finished product: after punching, trimming and 90-degree forming are completed on the material belt, the punch press acts, and the upper die holder descends to cut the workpiece; continuous discharging is completed by continuously progressive material belts and repeated actions of the punch press.
CN201710950669.0A 2017-10-13 2017-10-13 Contact supporting seat forming tool Active CN107685107B (en)

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CN110560558A (en) * 2019-08-30 2019-12-13 贵州大学 u-shaped base sample arrangement method
CN112170697B (en) * 2020-09-27 2022-04-15 长沙市金佰利汽车零部件有限公司 Eight-way forward rolling bracket punch forming die for automobile
CN113634680B (en) * 2021-06-11 2023-07-14 苏州铭峰精密机械有限公司 Forming method of automobile antenna support

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CN101327509A (en) * 2007-06-18 2008-12-24 财团法人金属工业研究发展中心 Mechanism for transporting mother plate in progressive die
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CN205414111U (en) * 2016-03-17 2016-08-03 四川瑞宝电子股份有限公司 Make continuous stamping die of high electric current transmission connector hardware product
CN205414112U (en) * 2016-03-17 2016-08-03 四川瑞宝电子股份有限公司 Continuous stamping die of production shell fragment terminal

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