CN107186089B - Device and method for accurately positioning step distance of continuous stamping die - Google Patents
Device and method for accurately positioning step distance of continuous stamping die Download PDFInfo
- Publication number
- CN107186089B CN107186089B CN201710635056.8A CN201710635056A CN107186089B CN 107186089 B CN107186089 B CN 107186089B CN 201710635056 A CN201710635056 A CN 201710635056A CN 107186089 B CN107186089 B CN 107186089B
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- Prior art keywords
- plate
- heel
- positioning
- positioning block
- die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a device and a method for accurately positioning the step distance of a continuous stamping die, wherein the device comprises an upper die and a lower die, a gap for a to-be-stamped sheet material to pass through is reserved between a die core and a lower die base plate, through holes for a stamping head to insert are correspondingly formed in the middle parts of the die core and the lower die base plate, and a positioning block is arranged on one side of the die core along the discharging direction of the sheet material; the middle part of the positioning block is hinged with the mold core through a supporting pin, one side of the positioning block, which faces the through hole, is a front toe part, one side, which is far away from the through hole, is a heel part, one end of the mold core, which faces the discharging direction of the plate, is provided with a positioning pin inserted into the mold core, the heel part is provided with a conical hole matched with the positioning pin, the outer side of the positioning pin is provided with an elastic piece which presses the conical end part of the positioning pin to abut against the heel part, and the upper mold is provided with a striker which impacts the rear side of the positioning block to enable the positioning block to separate from the positioning pin and rotate around the hinged part. The invention ensures the accurate positioning of the plate entering by utilizing the running of the running fit striker of the positioning block, and has high automation degree and low cost.
Description
Technical Field
The invention relates to a device and a method for accurately positioning the step distance of a continuous stamping die.
Background
When the plate Jin Moju is processed, the conventional progressive die positioning mechanism usually uses a catch and a claw pin as a mechanism for the catch, and the positioning is performed by relying on the elastic force of a spring, so that the positioning of the die has potential errors when the elastic force of the spring fails.
Disclosure of Invention
The invention improves the problems, namely the technical problem to be solved by the invention is that when the prior plate Jin Moju is processed, the prior progressive die positioning mechanism usually uses a catch claw and a claw pin as a mechanism for the catch pin and has potential errors.
The specific embodiments of the invention are: the device capable of accurately positioning the step distance of the continuous stamping die comprises an upper die and a lower die, wherein the upper die comprises an upper die base plate and a punch head fixed on the lower surface of the upper die base plate, the lower die comprises a lower die base plate and a die core arranged on the lower die base plate, a gap for a sheet to be stamped to pass through is reserved between the die core and the lower die base plate, through holes which are correspondingly arranged for the punch head to insert are formed in the middle parts of the die core and the lower die base plate, and a positioning block is arranged on one side of the die core along the discharging direction of the sheet;
the middle part of the positioning block is hinged with the mold core through a supporting pin, one side of the positioning block, facing the through hole, is a front toe part, one side, far away from the through hole, of the positioning block is a heel part, one end, facing the discharging direction of the plate, of the mold core is provided with a positioning pin inserted into the mold core, one end part of the positioning pin, extending into the mold core, is conical, the heel part is provided with a conical hole matched with the positioning pin, the outer side of the positioning pin is provided with an elastic piece for pressing the conical end part of the positioning pin to prop against the heel part, and the rear side of the upper mold is provided with a striker for enabling the positioning block to be separated from the positioning pin and rotate around the hinged part.
Further, when the lower edge of the front toe part is contacted with the lower die base plate, a gap for the plate to be punched to pass through is reserved between the lower edge of the rear heel part and the lower die base plate.
Further, the elastic piece is a plate spring, the upper end and the lower end of the plate spring are fixedly connected with the mold core, and the middle part of the plate spring abuts against the positioning pin.
The invention also comprises a method for accurately positioning the step distance of a continuous stamping die, which is characterized by comprising the following specific steps of:
(1) When the die is opened, the front toe part of the positioning block butts against the lower die seat plate under the action of gravity, and is used as a reference for feeding the plate, meanwhile, the conical hole at the heel part is inserted with a positioning pin, and the positioning pin butts against the heel part of the column under the action of the plate spring;
(2) When the die is closed, the punch descends to cut off the punched material, the striker of the upper die impacts the upper surface of the heel of the positioning block to enable the striker to rotate in the anticlockwise direction, the heel is attached to the lower die base plate, the front toe is lifted, the end part of the positioning pin slides out from the heel and abuts against the outer surface of the heel, the punch resets after punching, and the positioning pin is kept against the outer surface of the heel under the action of the plate spring;
(3) The plate is continuously fed, and at the moment, the front toe of the positioning block is lifted, so that the plate can smoothly move towards the output direction;
(4) When the plate is propped against the heel, the heel is propped up to enable the positioning block to rotate around the hinged position for resetting due to the thrust action of the plate on the heel, the plate can pass through, the front toe is lowered to the punched position of the just punched plate and is propped against the lower die seat plate, and the conical end part of the positioning pin is propped into the heel of the positioning block again to complete one working cycle.
Compared with the prior art, the invention has the following beneficial effects: the invention ensures the accurate positioning of the plate entering by utilizing the running of the running fit striker of the positioning block, and has high automation degree and low cost.
Drawings
FIG. 1 is a schematic view of the initial state structure of a punch of the present invention;
fig. 2 is a schematic view showing a downward structure of the punch of fig. 1 according to the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Referring to fig. 1 to 2, a device capable of precisely positioning the step distance of a progressive die comprises an upper die and a lower die, wherein the upper die comprises an upper die base plate and a punch 10 fixed on the lower surface of the upper die base plate, the lower die 20 comprises a lower die base plate 210 and a die core 220 arranged on the lower die base plate, a gap for a sheet material to be punched to pass through is reserved between the die core 220 and the lower die base plate 210, through holes 30 which are correspondingly arranged for the punch to insert are formed in the middle parts of the die core and the lower die base plate, and a positioning block 40 is arranged on one side of the die core 220 along the discharging direction of the sheet material;
the middle part of locating piece 40 passes through a rest pin 401 and mold core hinged joint, the one side of locating piece 40 towards the through-hole is toe 410, and one side of keeping away from the through-hole is heel 420, the one end of mold core 220 towards panel 100 ejection of compact direction has the locating pin 50 of inserting in the mold core, the one end that locating pin 50 stretches into the mold core is the taper, the heel has with locating pin 50 complex taper hole 421, the locating pin 50 outside has the elastic component that oppression locating pin 50 taper tip supported the heel, the last mould is provided with the striker 60 that the striking locating piece rear side made the locating piece break away from the locating pin and rotate around the articulated department.
In this embodiment, when the lower edge of the front toe portion 410 contacts the lower die holder plate, a gap is left between the lower edge of the rear heel portion 420 and the lower die holder plate 210 for the sheet material to be punched 100 to pass through.
In this embodiment, the elastic member is a plate spring 510, the upper and lower ends of the plate spring 510 are fixedly connected with the mold core, and the middle portion of the plate spring abuts against the positioning pin.
In the course of the operation of the device,
(1) When the die is opened, the lower edge of the front toe 410 of the positioning block butts against the lower die seat plate 210 under the action of gravity to serve as a reference for feeding the plate, meanwhile, the conical hole of the heel is inserted into the positioning pin 50, the positioning pin butts against the heel of the post under the action of the plate spring 510, and the positioning pin 50 is positioned in the conical hole of the heel;
(2) When the die is closed, the punch descends to cut off the punched material, and the striker of the upper die impacts the upper surface of the heel of the positioning block, in the embodiment, the positioning block 40 rotates in a counter-clockwise direction, the heel is attached to the lower die base plate, the front toe ascends, the end part of the positioning pin slides out from the heel and abuts against the outer surface of the heel, the punch resets after punching, and the positioning pin is kept abutting against the outer surface of the heel under the action of the plate spring; as shown in fig. 2.
(3) The plate is continuously fed, and at the moment, the front toe of the positioning block is lifted, so that the plate can smoothly move towards the output direction;
(4) When the plate is propped against the heel, the heel is propped up to enable the positioning block to rotate around the hinge position for resetting due to the thrust action of the plate on the heel, and the plate 100 can pass through, however, in the design process, the distance between the front toe 410 and the heel 420 is smaller than the diameter of the hole to be punched or the distance between the holes along the conveying direction, so that the front toe 410 is ensured to descend to the punched position of the just punched plate 100 and prop against the lower die plate, and the tapered end of the positioning pin 50 is propped into the heel of the positioning block again to complete one working cycle.
If the invention discloses or relates to components or structures which are fixedly connected with each other, the fixed connection can be understood as follows, unless stated otherwise: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (1)
1. The device capable of accurately positioning the step distance of the continuous stamping die comprises an upper die and a lower die, wherein the upper die comprises an upper die base plate and a punch fixed on the lower surface of the upper die base plate, the lower die comprises a lower die base plate and a die core arranged on the lower die base plate, a gap for a sheet to be stamped to pass through is reserved between the die core and the lower die base plate, through holes for the punch to insert are correspondingly formed in the middle parts of the die core and the lower die base plate, and a positioning block is arranged on one side of the die core along the discharging direction of the sheet;
the middle part of the positioning block is hinged with the mold core through a supporting pin, one side of the positioning block, which faces the through hole, is a front toe part, one side of the positioning block, which is far away from the through hole, is a heel part, one end of the mold core, which faces the discharging direction of the plate, is provided with a positioning pin inserted into the mold core, one end part of the positioning pin, which stretches into the mold core, is conical, the heel part is provided with a conical hole matched with the positioning pin, the outer side of the positioning pin is provided with an elastic piece for pressing the conical end part of the positioning pin to prop against the heel part, and the upper mold is provided with a striker which is used for impacting the rear side of the positioning block to enable the positioning block to separate from the positioning pin to rotate around the hinged part;
when the lower edge of the front toe part is contacted with the lower die base plate, a gap for the plate to be punched to pass through is reserved between the lower edge of the rear heel part and the lower die base plate;
the elastic piece is a plate spring, the upper end and the lower end of the plate spring are fixedly connected with the mold core, and the middle part of the plate spring abuts against the positioning pin;
the method is characterized by comprising the following specific steps of:
(1) When the die is opened, the lower edge of the front toe part of the positioning block butts against the lower die seat plate under the action of gravity to serve as a reference for feeding the plate, and meanwhile, the conical hole at the heel part is inserted with a positioning pin which butts against the heel part of the column under the action of the plate spring;
(2) When the die is closed, the punch descends to cut off the punched material, the striker of the upper die impacts the upper surface of the heel of the positioning block to enable the striker to rotate in the anticlockwise direction, the heel is attached to the lower die base plate, the front toe is lifted, the end part of the positioning pin slides out from the heel and abuts against the outer surface of the heel, the punch resets after punching, and the positioning pin is kept against the outer surface of the heel under the action of the plate spring;
(3) The plate is continuously fed, and at the moment, the front toe of the positioning block is lifted, so that the plate can smoothly move towards the output direction;
(4) When the plate is propped against the heel, the heel is propped up to enable the positioning block to rotate around the hinged position for resetting due to the thrust action of the plate on the heel, the plate can pass through, the front toe is lowered to the punched position of the just punched plate and is propped against the lower die seat plate, and the conical end part of the positioning pin is propped into the heel of the positioning block again to complete one working cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635056.8A CN107186089B (en) | 2017-07-30 | 2017-07-30 | Device and method for accurately positioning step distance of continuous stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635056.8A CN107186089B (en) | 2017-07-30 | 2017-07-30 | Device and method for accurately positioning step distance of continuous stamping die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107186089A CN107186089A (en) | 2017-09-22 |
| CN107186089B true CN107186089B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710635056.8A Active CN107186089B (en) | 2017-07-30 | 2017-07-30 | Device and method for accurately positioning step distance of continuous stamping die |
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| Country | Link |
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| CN (1) | CN107186089B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716702A (en) * | 2017-11-29 | 2018-02-23 | 泗县腾马汽车配件有限公司 | A kind of mould for being capable of fast positioning |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL185654C (en) * | 1980-12-01 | 1990-06-18 | Hoogovens Groep Bv | DEVICE FOR MANUFACTURING A FLANGE FROM A DISC FOR PACKING A ROLL OF STRAP. |
| JP2000288653A (en) * | 1999-04-09 | 2000-10-17 | Toyota Motor Corp | Combination piercing and riveter |
| CN201410532Y (en) * | 2009-03-04 | 2010-02-24 | 阳江市亿利模具有限公司 | Continuous stamping mould structure of hardware pieces such as knife and scissors |
| CN201791855U (en) * | 2010-07-30 | 2011-04-13 | 瑞鹄汽车模具有限公司 | Rotary pressing and positioning device of drawing die |
| CN104307986A (en) * | 2014-09-24 | 2015-01-28 | 滁州亚利模具设备有限公司 | Stamping method for high-precision side-shaping stamping die |
| CN104858305A (en) * | 2015-05-11 | 2015-08-26 | 昆山电子羽电业制品有限公司 | Back plate punching die |
| DE102015008939A1 (en) * | 2015-07-10 | 2016-03-31 | Daimler Ag | Positioning device for a forming tool |
| CN105436335A (en) * | 2015-12-10 | 2016-03-30 | 山东建筑大学 | Machining tool for oil nozzle casting |
| CN106002290A (en) * | 2016-07-29 | 2016-10-12 | 天津市久跃科技有限公司 | Real-time positioning continuous stamping die |
| CN207103617U (en) * | 2017-07-30 | 2018-03-16 | 福州大学 | It is a kind of to make pinpoint device to the step pitch of progressive press tool |
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2017
- 2017-07-30 CN CN201710635056.8A patent/CN107186089B/en active Active
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| CN107186089A (en) | 2017-09-22 |
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