CN223775808U - Continuous stamping die for contact knife - Google Patents
Continuous stamping die for contact knifeInfo
- Publication number
- CN223775808U CN223775808U CN202423306694.XU CN202423306694U CN223775808U CN 223775808 U CN223775808 U CN 223775808U CN 202423306694 U CN202423306694 U CN 202423306694U CN 223775808 U CN223775808 U CN 223775808U
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- plate
- die
- bending
- insert
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Abstract
The utility model provides a continuous stamping die for a touch knife, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly and the lower die assembly are sequentially arranged along a feeding direction, a first station is used for cutting out outlines of vertical parts at two sides of the touch knife and horizontal parts at one side, and vertically bending the joint between the vertical parts, the second station is used for bending the vertical parts at one side connected with a material belt to be vertical to the plane of the material belt, a third station is used for bending and attaching the vertical parts at two sides, a fourth station is used for processing mounting holes on the vertical parts, and a fifth station is used for cutting out outlines of the horizontal parts at the other side, and separating the formed outlines from the material belt. The utility model has the advantages that the vertical part of the contact knife is clamped by arranging the first bending punch and the floating block, so that the first bending punch can be retracted when the die is separated, the gap of the cavity is enlarged, the contact knife is prevented from being crushed in the process of pressing down the upper die assembly again, and the contact knife can be clamped when the die is completely assembled, thereby producing the parts with qualified sizes.
Description
Technical Field
The utility model relates to the field of hardware machining, in particular to a continuous stamping die for a touch knife.
Background
In the field of electrical equipment, a contact knife is used as a key conductive part, the cross section of the contact knife is in a T shape as shown in fig. 1, the contact knife is provided with a vertical part 1a attached to two sides and a horizontal part 2a attached to two sides, a mounting hole is formed in the vertical part 1a, a stamping die is widely applied to the part processing process, the contact knife can be formed by simple continuous stamping, after the two vertical parts 1a are found to be bent in a separated mode in the existing processing process, a protection cavity is further arranged on the lower end face of the upper stripper plate, and the two vertical parts 1a are plugged into the protection cavity from bottom to top to enable the contact knife to be attached to be tighter, so that the size can be qualified.
Disclosure of utility model
The utility model provides a continuous stamping die for a touch knife, which can effectively solve the problems.
The utility model is realized in the following way:
The continuous stamping die for the contact knife comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die seat, an upper base plate, an upper clamping plate, a stop plate and an upper stripper plate, the lower die assembly comprises a lower die seat, a lower base plate and a lower die plate, the upper die assembly and the lower die assembly are sequentially provided with a die assembly along the feeding direction,
The first station is used for cutting the outlines of the vertical parts at two sides and the horizontal part at one side of the contact knife and vertically bending the joint between the vertical parts and the horizontal part at one side of the contact knife;
the second station is used for bending the vertical part connected with one side of the material belt to be perpendicular to the plane of the material belt;
The third station is used for bending and attaching the vertical parts on two sides, the second station comprises a floating block which is arranged on the lower die plate and can slide up and down, a first insert which is arranged on the upper stripper plate, a first bending punch which is arranged on the first insert and slides up, a first pushing block which is arranged on the upper clamping plate, a second spring which is arranged on the side surface of the first insert, one end of the second spring is connected with the first insert, the other end of the second spring is connected with the first bending punch, and when the upper die assembly descends, the first pushing block pushes the first bending punch to move towards the direction of the floating block so as to clamp the vertical parts on two sides;
A fourth station for machining a mounting hole on the vertical portion;
And a fifth station for cutting out the contour of the horizontal part on the other side and separating the formed material belt.
As a further improvement, a chute is arranged in the first insert, steps are arranged on two sides of the chute, and the first bending punch is arranged in the chute to slide.
As a further improvement, the floating block comprises an abutting part and a sliding part, the sliding part is in sliding fit with the lower template, a first spring is arranged at the bottom of the sliding part, the bottom of the first spring is in abutting connection with the lower base plate, and the upper stripping plate is provided with an avoidance hole matched with the floating block.
As a further improvement, the lower end face of the first insert is provided with a fixing strip, and the fixing strip is detachably connected with the lower end face of the upper stripper plate.
As a further improvement, the lower die plate is provided with a plurality of guide pins which are distributed in two rows, the guide pins can slide up and down, the bottoms of the guide pins are provided with third springs, the third springs are arranged in the lower die base, and the guide pins are provided with a groove.
As a further improvement, a punching station is further arranged on one side, close to the feeding side, of the first station, the punching station comprises two positioning hole punches arranged on the upper clamping plate, when the upper die assembly descends, the positioning hole punches penetrate through the stop plate and the upper stripper plate, positioning holes are punched on two sides of the material belt, a plurality of positioning pins distributed in two rows are further arranged on the lower end face of the upper stripper plate, and when the upper stripper plate descends, the positioning pins are inserted into the positioning holes.
As a further improvement, the fifth station comprises a fourth trimming punch arranged on the upper clamping plate, a blanking channel is arranged on the lower die plate, and a blanking stop block is arranged on the side face of the blanking channel.
The beneficial effects of the utility model are as follows:
The vertical part of the contact knife is clamped by the first bending punch and the floating block, so that the first bending punch retreats when the die is separated, the gap of the cavity is enlarged, the contact knife is prevented from being crushed in the process of pressing down the upper die assembly again, and the contact knife can be clamped when the die is completely assembled, and parts with qualified sizes are produced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a touch blade structure.
Fig. 2 is a schematic diagram of the overall structure provided by the present utility model.
Fig. 3 is a schematic structural view of an upper module according to the present utility model.
Fig. 4 is a schematic structural view of a lower module according to the present utility model.
Fig. 5 is a schematic view of a third station structure provided by the present utility model.
Fig. 6 is a schematic view of a third station part structure provided by the present utility model.
Fig. 7 is a schematic diagram of a fourth station structure provided by the present utility model.
Reference numerals:
1a, a vertical part, 2a, a horizontal part;
1. First station, 11, first cutting punch, 12, second trimming punch, 13, third trimming punch, 14, second bending punch, 15, third bending punch, 2, second station, 21, third insert, 3, third station, 31, first push block, 32, floating block, 33, first insert, 34, first bending punch, 35, cavity-protecting, 4, fourth station, 41, second push block, 42, fourth insert, 43, punching block, 44, fifth insert, 45, scrap channel, 5, fifth station, 51, fourth trimming punch, 52, blanking block, 6, upper die assembly, 61, upper die base, 62, upper bolster, 63, upper clamp plate, 64, stop plate, 65, upper stripper plate, 651, positioning pin, 652, fixing strip, 7, lower die assembly, 71, lower die plate, 72, lower bolster, 73, lower die base, 8, material strip, 9, positioning hole, punch 10, guide pin.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 2 to 7, a continuous stamping die for a touch knife includes an upper die assembly 6 and a lower die assembly 7, the die is mounted on a stamping apparatus during a process, feeding of a material tape 8 is pushed by an external feeder, the upper die assembly 6 includes an upper die holder 61, an upper pad 62, an upper clamping plate 63, a stopper plate 64 and an upper stripper plate 65, the lower die assembly 7 includes a lower die holder 73, a lower pad 72 and a lower die plate 71,
The upper die assembly 6 and the lower die assembly 7 are provided with, in order along the feeding direction:
The first station 1 is used for cutting out the outlines of the vertical parts at two sides and the horizontal part at one side of the contact knife and vertically bending the joint between the vertical parts and the horizontal part at one side of the contact knife;
The second station 2 is used for bending a vertical part connected with one side of the material belt 8 to be perpendicular to the plane of the material belt 8;
The third station 3 is used for bending and attaching the vertical parts at two sides, the second station 2 comprises a floating block 32 which is arranged on a lower die plate 71 and can slide up and down, a first insert 33 which is arranged on an upper stripping plate 65, a first bending punch 34 which is arranged in the first insert 33 and slides, a first push block 31 which is arranged on an upper clamping plate 63, the lower end surface of the first push block 31 passes through a baffle plate 64, when the upper die assembly 6 descends, the first push block 31 pushes the first bending punch 34 to move towards the floating block 32 to clamp the vertical parts at two sides, a second spring is arranged on the side surface of the first insert 33, one end of the second spring is connected with the first insert 33, the other end of the second spring is connected with the first bending punch 34, during die separation, the first push block 31 moves upwards, the second spring pushes the first bending punch 34 to slide away from the floating block 32, and a gap-variable protection cavity 35 is formed between the first bending punch 34 and the floating block 32;
A fourth station 4 for machining a mounting hole on the vertical portion;
and a fifth station 5 for cutting out the contour of the horizontal part on the other side and separating the molding from the material belt 8.
The technical scheme has the advantages that the vertical part of the contact knife is clamped by arranging the first bending punch 34 and the floating block 32, so that the first bending punch 34 retreats when the die is separated, the gap of the protection cavity 35 is enlarged, the contact knife is prevented from being crushed in the process of pressing down the upper die assembly 6 again, and the contact knife can be clamped when the die is completely closed, and parts with qualified sizes can be produced.
In some embodiments, a chute is provided in the first insert 33, steps are provided on both sides of the chute, and the first bending punch slides in the chute. The technical scheme has the advantages that the steps at the two sides of the chute are matched with the first bending punch to limit the positions of the steps, so that the steps can slide in the chute in a straight line.
In some embodiments, the floating block 32 includes an abutting portion and a sliding portion, the outer contour of which is in an inverted L shape, the sliding portion is slidably engaged with the lower template 71 and provided with a first spring at the bottom thereof, the bottom of the first spring abuts against the lower pad 72, and the upper release plate 65 is provided with a relief hole that mates with the floating block 32. The technical scheme has the advantages that the material belt 8 is convenient to feed, the spring jacks up the floating block 32 during die opening, the stop plate 64 presses down the floating block 32 during die closing, and the abutting part is matched with the first bending punch 34 to clamp the vertical parts on two sides of the contact knife.
In some embodiments, the lower end surface of the first insert 33 is provided with a fixing strip 652, and the fixing strip 652 is detachably connected to the lower end surface of the upper release plate 65. The technical scheme has the advantage that the first insert 33 is installed and positioned more accurately.
In some embodiments, the lower die plate 71 is provided with a plurality of guide pins 10 distributed in two rows, the guide pins 10 can slide up and down, the bottom of the guide pins 10 is provided with a third spring, the third spring is arranged in the lower die holder 73, and a groove is formed on the guide pins 10. The technical scheme has the advantages that the guide pins 10 are distributed in two rows, the material belts 8 are clamped in grooves of the guide pins 10 at two sides and slide, the material belts 8 move up and down along with the guide pins 10, separation of the material belts 8 from the upper surface of the lower template 71 can be facilitated, and positioning of two sides of the material belts 8 is provided.
In some embodiments, a punching station is further arranged on the first station 1 near the feeding side, the punching station comprises two positioning hole punches 9 arranged on the upper clamping plate 63, when the upper die assembly 6 is in a downward motion, the positioning hole punches 9 penetrate through the stop plate 64 and the upper stripping plate 65, positioning holes are punched on two sides of the material belt 8, the material belt 8 is continuously fed and clamped for multiple times to form two rows of continuous positioning holes, a plurality of positioning pins 651 distributed in two rows are further arranged on the lower end surface of the upper stripping plate 65, and when the upper stripping plate 65 is in a downward motion, the positioning pins 651 are inserted into the positioning holes. The technical scheme has the advantages that the feeding amount of the material belt 8 is consistent every time, the positioning is more accurate, and the stamping is convenient.
In some embodiments, the first station 1 may adopt a structural scheme that the first station 1 includes a first trimming punch 11, a second trimming punch 12, a third trimming punch 13, a second bending punch 14, and a third bending punch 15 sequentially disposed on the upper clamping plate 63 in the feeding direction, and further includes a second insert disposed on the lower die plate 71. The technical proposal has the advantages that the profiles of the vertical parts at the two sides and the horizontal part at one side of the contact knife are cut out respectively through the first trimming punch 11, the second trimming punch 12 and the third trimming punch 13, the deformation of the edge of the material belt 8 caused by the longer length of single cutting is avoided, the horizontal part is bent upwards through the second insert when the die is assembled, the joint of the two vertical parts is bent step by step through the second bending punch 14 and the third bending punch 15, the material breakage caused by the overlarge single bending is avoided,
In some embodiments, the second station 2 may adopt the following structural scheme, and the lower die plate 71 is provided with a plurality of third inserts 21, so that the vertical portion on one side connected with the material belt 8 is punched and bent for a plurality of times to be perpendicular to the plane of the material belt 8, and the included angle between the two vertical portions is reduced. The technical scheme has the advantages that the plurality of stamping and bending can avoid breakage caused by overlarge single bending angle.
In some embodiments, the fourth station 4 may adopt a structural scheme that the fourth station 4 includes a fourth insert 42 and a fifth insert 44 disposed on the upper stripper plate 65, and a punching block 43 sliding on the fourth insert 42, a cavity for accommodating a vertical portion of the contact blade is left between the fourth insert 42 and the fifth insert 44, when the upper die assembly 6 is down, the second pushing block 41 disposed on the upper stripper plate 65 pushes the punching block 43 toward the fifth insert 44, and punches out the mounting hole on the vertical portion, and the waste material is sucked along the fifth insert 44, the stop plate 64, the upper backing plate 62, and the waste material channel 45 formed in the upper die holder 61. The technical scheme has the advantages that the mounting holes are convenient to discharge, punching is performed after the two vertical parts are attached, and the formed mounting holes are positioned more accurately.
In some embodiments, the fifth station 5 may adopt the following structural scheme, the fifth station 5 includes a fourth trimming punch 51 disposed on the upper clamping plate 63, a blanking channel is disposed on the lower die plate 71, and a blanking stop 52 is disposed on the side of the blanking channel. The technical scheme has the advantages that the blanking stop block 52 is arranged, so that the separated contact knife can be better blanked.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a touch sword is with continuous stamping die, includes mould subassembly (6) and lower mould subassembly (7), go up mould subassembly (6) and include upper die base (61), upper padding plate (62), punch holder (63), backstop board (64) and go up take off board (65), lower mould subassembly (7) include die holder (73), lower bolster (72) and lower bolster (71), its characterized in that:
the upper die assembly (6) and the lower die assembly (7) are sequentially arranged along the feeding direction,
The first station (1) is used for cutting out the outlines of the vertical parts at two sides and the horizontal part at one side of the contact knife and vertically bending the joint between the vertical parts and the horizontal part at one side of the contact knife;
The second station (2) is used for bending the vertical part on one side connected with the material belt (8) to be perpendicular to the plane of the material belt (8);
The third station (3) is used for bending and attaching the vertical parts on two sides, the second station (2) comprises a floating block (32) which is arranged on the lower die plate (71) and can slide up and down, a first insert (33) which is arranged on the upper release plate (65), a first bending punch (34) which is arranged on the first insert (33) and slides up, a first push block (31) which is arranged on the upper clamp plate (63), a second spring is arranged on the side surface of the first insert (33), one end of the second spring is connected with the first insert (33), the other end of the second spring is connected with the first bending punch (34), and when the upper die assembly (6) is in the downward direction, the first push block (31) pushes the first bending punch (34) to move towards the floating block (32) so as to clamp the vertical parts on two sides;
A fourth station (4) for machining a mounting hole on the vertical portion;
And a fifth station (5) for cutting out the contour of the horizontal part on the other side and separating the molding from the material belt (8).
2. The continuous stamping die for a contact blade according to claim 1, wherein a chute is formed in the first insert (33), steps are formed on both sides of the chute, and the first bending punch (34) is arranged in the chute to slide.
3. The continuous stamping die for a contact blade according to claim 2, wherein the floating block (32) comprises an abutting portion and a sliding portion, the sliding portion is slidably matched with the lower die plate (71) and is provided with a first spring at the bottom thereof, the bottom of the first spring is abutted with the lower base plate (72), and the upper release plate (65) is provided with a avoiding hole matched with the floating block (32).
4. A continuous stamping die for a contact blade according to claim 3, wherein a fixing strip (652) is provided on the lower end surface of the first insert (33), and the fixing strip (652) is detachably connected to the lower end surface of the upper release plate (65).
5. The continuous stamping die for the contact knife according to claim 1, wherein a plurality of guide pins (10) distributed in two rows are arranged on the lower die plate (71), the guide pins (10) can slide up and down, a third spring is arranged at the bottom of the guide pins (10), the third spring is arranged in the lower die holder (73), and a groove is formed in the guide pins (10).
6. The continuous stamping die for the contact knife according to claim 1, wherein a punching station is further arranged on one side, close to the feeding side, of the first station (1), the punching station comprises two positioning hole punches (9) arranged on the upper clamping plate (63), when the upper die assembly (6) is arranged downwards, the positioning hole punches (9) penetrate through the stop plate (64) and the upper stripping plate (65), positioning holes are punched on two sides of the material belt (8), and a plurality of positioning pins (651) distributed in two rows are further arranged on the lower end face of the upper stripping plate (65), and the positioning pins (651) are inserted into the positioning holes when the upper stripping plate (65) is arranged downwards.
7. A continuous stamping die for a contact blade according to claim 1, characterized in that the fifth station (5) comprises a fourth trimming punch (51) arranged on the upper clamping plate (63), the lower die plate (71) is provided with a blanking channel, and a blanking stop (52) is arranged on the side of the blanking channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423306694.XU CN223775808U (en) | 2024-12-31 | 2024-12-31 | Continuous stamping die for contact knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423306694.XU CN223775808U (en) | 2024-12-31 | 2024-12-31 | Continuous stamping die for contact knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223775808U true CN223775808U (en) | 2026-01-09 |
Family
ID=98304203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423306694.XU Active CN223775808U (en) | 2024-12-31 | 2024-12-31 | Continuous stamping die for contact knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223775808U (en) |
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2024
- 2024-12-31 CN CN202423306694.XU patent/CN223775808U/en active Active
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