CN111745007A - Precise hole flanging and stripping integrated device for automobile framework parts - Google Patents
Precise hole flanging and stripping integrated device for automobile framework parts Download PDFInfo
- Publication number
- CN111745007A CN111745007A CN202010656220.5A CN202010656220A CN111745007A CN 111745007 A CN111745007 A CN 111745007A CN 202010656220 A CN202010656220 A CN 202010656220A CN 111745007 A CN111745007 A CN 111745007A
- Authority
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- China
- Prior art keywords
- hole flanging
- profiling
- positioning seat
- lower die
- stripping
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
- B21D19/088—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for flanging holes
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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
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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
- B21D43/00—Feeding, 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
- B21D43/003—Positioning devices
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to an integrated device for precise hole flanging and stripping of automobile framework parts, which comprises an upper die holder and a lower die holder; the lower die base is provided with a profiling positioning seat, the lower die base is provided with two hole flanging modules in a sliding manner, and the lower die base is provided with an elastic reset piece for resetting the hole flanging modules after moving; one end of the hole flanging die set, which faces the profiling positioning seat, is provided with a hole flanging punch and a plurality of elastic pressing pieces for laterally pressing and holding a workpiece, and a hole flanging female die matched with the hole flanging punch is arranged on the profiling positioning seat; the profiling positioning seat is formed by splicing two profiling seats, and the lower die seat is provided with an interval adjusting component for adjusting the interval between the two profiling seats; the upper die holder is connected with a material pressing plate matched with the profiling positioning seat through an elastic component; hole flanging and material stripping are completed in one step, and the material stripping can be guaranteed when the hole flanging precision requirement is high, so that the working procedures are saved, and the efficiency is improved.
Description
Technical Field
The invention relates to the technical field of automobile framework part machining, in particular to an integrated device for precise hole flanging and material stripping of an automobile framework part.
Background
When the automobile framework part is produced, a hole flanging procedure is required, and due to the fact that the hole flanging requirement precision is high, the hole flanging is prone to the situation of difficult material removal, at present, no good solution exists for the material removal at the position.
Disclosure of Invention
The invention aims to solve the technical problem of providing a precise hole flanging and stripping integrated device for automobile framework parts, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the precise hole flanging and stripping integrated device for the automobile framework part comprises an upper die base and a lower die base; the lower die base is provided with a strip-shaped profiling positioning seat, the lower die base is provided with two hole flanging modules which are respectively positioned at two sides of the profiling positioning seat in a sliding manner, and the lower die base is provided with an elastic resetting piece for resetting the hole flanging modules after moving; one end of the hole flanging die set, which faces the profiling positioning seat, is provided with a hole flanging punch and a plurality of elastic pressing pieces for laterally pressing and holding a workpiece, and a hole flanging female die matched with the hole flanging punch is arranged on the profiling positioning seat; the profiling positioning seat is formed by splicing two profiling seats, and an interval adjusting assembly for adjusting the interval between the two profiling seats is arranged on the lower die seat; the distance adjusting assembly adjusts the two profiling seats to be in a separated state when the die is closed, and adjusts the two profiling seats to move oppositely after hole flanging is finished; and the upper die base is connected with a material pressing plate matched with the profiling positioning seat through an elastic component.
The invention relates to a precise hole flanging and stripping integrated device for automobile framework parts, wherein a driving inclined plane is arranged at one end of a hole flanging module, which is far away from a profiling positioning seat; and the upper die base is provided with a side cutter matched with the driving inclined plane.
The precise hole flanging belt stripping integrated device for the automobile framework parts, disclosed by the invention, is characterized in that a guide groove for movably guiding the hole flanging module is arranged on the lower die base, and the hole flanging module is in sliding connection with the bottom of the guide groove through a sliding rail sliding block.
The invention relates to a precise hole flanging and stripping integrated device for automobile framework parts, wherein a guide bump is formed at the lower end of the middle part of a profiling positioning seat; and one side of the hole flanging module, which faces the profiling positioning seat, is provided with a concave guide groove matched with the guide convex block.
The invention relates to a precise hole flanging and stripping integrated device for automobile framework parts, wherein a hole flanging module is provided with a follow-up block which slides along with the hole flanging module; the lower die base is provided with a position sensor for detecting the position of the follow-up block, and the distance adjusting assembly adjusts the distance between the two profiling bases according to the sensing signal of the position sensor.
The precise hole flanging and stripping integrated device for the automobile framework part is characterized in that the profiling seats are connected with the lower die base in a sliding mode, the positions of two sliding ends respectively correspond to the positions where the two profiling seats are tightly attached and the position where the two profiling seats are opened to form the profiling positioning seat, and the sliding direction is consistent with the sliding direction of the hole flanging module; the spacing adjusting assembly comprises fixed shafts fixedly arranged on the two profiling seats respectively and a rotary table rotatably arranged on the lower die seat; the turntable is provided with two movable grooves for the fixed shaft to extend into; the spacing adjusting assembly also comprises a driving wheel for driving the turntable to rotate and a driving mechanism for driving the driving wheel to rotate; the drive wheel meshes with the outside surface of carousel, just the external diameter of drive wheel is less than the external diameter of carousel.
The invention relates to an integrated device for precise hole flanging and material stripping of automobile framework parts, wherein two fixed shafts and a turntable form a group of units, and the units are provided with two groups and are respectively positioned on two sides of a driving wheel.
The invention relates to an integrated device for precise hole flanging and material stripping of automobile framework parts, wherein an included angle between a connecting line of two fixed shafts and the sliding direction of a profiling seat is 45-60 degrees when a mold is opened.
The invention relates to a precise hole flanging and stripping integrated device for automobile framework parts, wherein a protection block is arranged on the outer side of a lower die holder; the follow-up block comprises a first strip-shaped section connected with the hole flanging module, a second strip-shaped section vertically connected with one end of the first strip-shaped section, which is far away from the hole flanging module, and a third strip-shaped section vertically connected with one end of the second strip-shaped section, which is far away from the first strip-shaped section; the second strip-shaped section is arranged in parallel with the protection block; the third strip-shaped section is located above the protection block or attached to the upper surface of the protection block, and the position sensor is arranged on the protection block.
The invention relates to a precise hole flanging and stripping integrated device for automobile framework parts, wherein oblique guide grooves are formed in the surfaces of two sides of a hole flanging module, and the guide grooves are communicated with the upper surface of the hole flanging module; the upper die base is provided with an oblique guide block matched with the guide groove, and the first strip-shaped section is provided with a guide groove matched with the guide block.
The invention has the beneficial effects that: in the initial state, the two profiling seats are kept in an open state, a workpiece is placed on the profiling positioning seat for positioning at the moment, then the die is closed, the pressure plate presses and holds the workpiece downwards, the hole flanging module acts on the profiling positioning seat to perform hole flanging action, after hole flanging is completed, the distance adjusting assembly adjusts the two profiling seats to fold, stripping is performed, then the die is opened, the hole flanging module resets, the elastic pressing and holding piece supports the workpiece to ensure that the hole flanging punch head can smoothly deviate from the workpiece, the stripping action is completed, hole flanging and stripping are completed in one step, stripping can be ensured when the hole flanging precision requirement is higher, the process is saved, and the efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic structural view of a lower die holder of a precision hole flanging and stripping integrated device for automobile frame parts according to a preferred embodiment of the invention;
FIG. 2 is an enlarged view of a hole flanging module of a precision hole flanging and stripping integrated device for automobile frame parts according to a preferred embodiment of the present invention
FIG. 3 is a schematic view of the gap adjustment assembly of the precision hole flanging with stripping integrated device for automobile frame parts according to the preferred embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The precise hole flanging and stripping integrated device for the automobile framework part, disclosed by the preferred embodiment of the invention, is shown in fig. 1, and also refers to fig. 2 and 3, and comprises an upper die holder (not shown in the figure) and a lower die holder 1; the lower die base 1 is provided with a strip-shaped profiling positioning seat 10, the lower die base 1 is provided with two hole flanging die sets 11 which are respectively positioned at two sides of the profiling positioning seat in a sliding manner, and the lower die base 1 is provided with an elastic resetting piece (not shown in the figure) for resetting the hole flanging die sets 11 after moving; one end of the hole flanging die set 11 facing the profiling positioning seat 10 is provided with a hole flanging punch 110 and a plurality of elastic pressing pieces 111 for pressing and holding a workpiece laterally, and a hole flanging female die matched with the hole flanging punch 110 is arranged on the profiling positioning seat 10; the profiling positioning seat 10 is formed by splicing two profiling seats 100, and the lower die holder 1 is provided with an interval adjusting component 2 for adjusting the interval between the two profiling seats; the distance adjusting component 2 adjusts the two profiling seats 100 to be in a separation state when the die is closed, and the distance adjusting component 2 adjusts the two profiling seats to move oppositely after hole flanging is finished; the upper die holder is connected with a material pressing plate matched with the profiling positioning seat through an elastic component;
in an initial state, the two profiling seats 100 are kept in an open state, a workpiece is placed on the profiling positioning seat 10 for positioning at the moment, then the die is closed, the pressure plate presses and holds the workpiece downwards, the hole flanging module 11 acts on the profiling positioning seat 10 to perform hole flanging action, after hole flanging is completed, the spacing adjusting assembly 2 adjusts the two profiling seats 100 to fold, stripping is performed, then the die is opened, the hole flanging module 11 resets, the elastic pressing and holding piece 111 supports against the workpiece to guarantee smooth stripping of the hole flanging punch 110 until the stripping action is completed, hole flanging and stripping are completed in one step, and stripping can be guaranteed when the hole flanging precision requirement is high, so that the process is saved, and the efficiency is improved;
it should be noted that the upper die base in the present application adopts a conventional existing structure, and details are not described here.
Preferably, one end of the hole flanging die set 11 departing from the profiling positioning seat 10 is provided with a driving inclined plane 112; the upper die holder is provided with a side cutter matched with the driving inclined plane 112; so as to drive the hole flanging module 11 to slide.
Preferably, the lower die holder 1 is provided with a guide groove 12 for movably guiding the hole flanging die set 11, and the hole flanging die set 11 is slidably connected with the bottom of the guide groove 12 through a slide rail slider 120; good stability and high precision.
Preferably, a guide bump 1000 is formed at the lower end of the middle part of the profiling positioning seat 10; one side of the hole flanging die set 11 facing the profiling positioning seat 10 is provided with a concave guide groove 116 matched with the guide convex block 1000; the precision is further guaranteed.
Preferably, the hole flanging module 11 is provided with a follow-up block 114 sliding along with the hole flanging module; a position sensor for detecting the position of the follow-up block 114 is arranged on the lower die holder 1, and the distance adjusting component 2 adjusts the distance between the two profiling seats according to the sensing signal of the position sensor; the automatic control of the movement of the spacing adjusting assembly 2 is facilitated;
it should be noted that the distance adjusting assembly 2 may adopt the structure described below in the present application, and may also adopt a conventional distance adjusting manner to achieve distance adjustment.
Preferably, the profiling seat 100 is slidably connected with the lower die holder 1, the positions of the two sliding ends respectively correspond to the position where the two profiling seats are tightly attached and the position where the two profiling seats are opened to form the profiling positioning seat, and the sliding direction is consistent with the sliding direction of the hole flanging module 11; the spacing adjusting component 2 comprises a fixed shaft 20 fixedly arranged on the two profiling seats 100 respectively and a rotary table 21 rotatably arranged on the lower die seat 1; the turntable 21 is provided with two movable grooves 210 for the fixed shaft 20 to extend into; the spacing adjustment assembly 2 further comprises a driving wheel 22 for driving the turntable 21 to rotate and a driving mechanism for driving the driving wheel 22 to rotate; the driving wheel 22 is engaged with the outer side surface of the turntable 21, and the outer diameter of the driving wheel 22 is smaller than that of the turntable 21; the driving wheel 22 is driven to rotate by the driving mechanism, so as to drive the turntable to rotate, after the turntable rotates to be adjacent to the inner wall of the movable groove, the turntable continues to rotate to push the fixed shaft to move, so as to drive the profiling seats 100 to slide to one end of the slidable position and be abutted and positioned, so that the positions where the two profiling seats are abutted or the positions where the two profiling seats are opened to form the profiling positioning seats are kept.
Preferably, the two fixed shafts 20 and the rotating disc 21 form a group of units, and the units are provided with two groups and are respectively positioned at two sides of the driving wheel 22; the moving stability of the profiling seat 100 is guaranteed.
Preferably, when the mold is opened, an included angle between a connecting line of the two fixing shafts 20 and the sliding direction of the profiling seat 100 is 45-60 degrees; the points of acting force which are not opposite to each other are formed on the profiling seat, and the stability of the profiling seat 100 during moving is guaranteed.
Preferably, a protection block 14 is arranged on the outer side of the lower die holder 1; the follow-up block 114 comprises a first strip section 1140 connected with the hole flanging module 11, a second strip section 1141 vertically connected with one end of the first strip section, which is far away from the hole flanging module, and a third strip section 1142 vertically connected with one end of the second strip section, which is far away from the first strip section; the second strip-shaped section is arranged in parallel with the protection block; the third strip-shaped section is positioned above the protection block 14 or is attached to the upper surface of the protection block, and a position sensor is arranged on the protection block 14; the device is convenient to install and carry out position detection.
Preferably, oblique guide grooves 115 are formed in the two side surfaces of the hole flanging module 11, and the guide grooves 115 are communicated with the upper surface of the hole flanging module 11; an oblique guide block matched with the guide groove is arranged on the upper die base, and a guide groove 1143 matched with the guide block is arranged on the first strip section 1140; the reliability of the follow-up relation between the follow-up block and the hole flanging module is guaranteed, and the position detection precision of the follow-up block is further guaranteed.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. An integrated device for precise hole flanging and stripping of automobile framework parts comprises an upper die base and a lower die base; the stamping die is characterized in that a strip-shaped profiling positioning seat is arranged on the lower die base, two hole flanging modules which are respectively positioned at two sides of the profiling positioning seat are arranged on the lower die base in a sliding manner, and an elastic resetting piece for resetting the hole flanging modules after the hole flanging modules move is arranged on the lower die base; one end of the hole flanging die set, which faces the profiling positioning seat, is provided with a hole flanging punch and a plurality of elastic pressing pieces for laterally pressing and holding a workpiece, and a hole flanging female die matched with the hole flanging punch is arranged on the profiling positioning seat; the profiling positioning seat is formed by splicing two profiling seats, and an interval adjusting assembly for adjusting the interval between the two profiling seats is arranged on the lower die seat; the distance adjusting assembly adjusts the two profiling seats to be in a separated state when the die is closed, and adjusts the two profiling seats to move oppositely after hole flanging is finished; and the upper die base is connected with a material pressing plate matched with the profiling positioning seat through an elastic component.
2. The precision hole flanging and stripping integrated device for the automobile frame parts as claimed in claim 1, wherein one end of the hole flanging module, which is far away from the profiling positioning seat, is provided with a driving inclined surface; and the upper die base is provided with a side cutter matched with the driving inclined plane.
3. The precise hole flanging and stripping integrated device for the automobile framework parts as claimed in claim 1, wherein a guide groove for movably guiding the hole flanging module is formed in the lower die base, and the hole flanging module is slidably connected with the bottom of the guide groove through a slide rail slider.
4. The precision hole flanging and stripping integrated device for the automobile frame parts as claimed in claim 1, wherein a guide bump is formed at the lower end of the middle part of the profiling positioning seat; and one side of the hole flanging module, which faces the profiling positioning seat, is provided with a concave guide groove matched with the guide convex block.
5. The precise hole flanging and stripping integrated device for the automobile frame parts as claimed in any one of claims 1-4, wherein a follow-up block sliding along the hole flanging module is arranged on the hole flanging module; the lower die base is provided with a position sensor for detecting the position of the follow-up block, and the distance adjusting assembly adjusts the distance between the two profiling bases according to the sensing signal of the position sensor.
6. The precise hole flanging and stripping integrated device for the automobile framework parts as claimed in claim 5, wherein the profiling seats are connected with the lower die holder in a sliding manner, the positions of the two sliding ends respectively correspond to the positions where the two profiling seats are attached tightly and the positions where the two profiling seats are opened to form the profiling positioning seats, and the sliding direction is consistent with the sliding direction of the hole flanging die set; the spacing adjusting assembly comprises fixed shafts fixedly arranged on the two profiling seats respectively and a rotary table rotatably arranged on the lower die seat; the turntable is provided with two movable grooves for the fixed shaft to extend into; the spacing adjusting assembly also comprises a driving wheel for driving the turntable to rotate and a driving mechanism for driving the driving wheel to rotate; the drive wheel meshes with the outside surface of carousel, just the external diameter of drive wheel is less than the external diameter of carousel.
7. The integrated precision hole flanging and stripping device for automobile frame parts as claimed in claim 6, wherein two fixed shafts and the rotary plate form a set of unit, and the unit is provided with two sets and respectively located at two sides of the driving wheel.
8. The integrated device for precision hole flanging and material stripping of automobile frame parts as claimed in claim 6, wherein an included angle between a connecting line of the two fixing shafts and a sliding direction of the profiling seat is 45-60 degrees when the mold is opened.
9. The precise hole flanging and stripping integrated device for the automobile framework parts as claimed in any one of claims 6 to 8, wherein a protection block is arranged on the outer side of the lower die holder; the follow-up block comprises a first strip-shaped section connected with the hole flanging module, a second strip-shaped section vertically connected with one end of the first strip-shaped section, which is far away from the hole flanging module, and a third strip-shaped section vertically connected with one end of the second strip-shaped section, which is far away from the first strip-shaped section; the second strip-shaped section is arranged in parallel with the protection block; the third strip-shaped section is located above the protection block or attached to the upper surface of the protection block, and the position sensor is arranged on the protection block.
10. The precision hole flanging and stripping integrated device for the automobile frame parts as claimed in claim 9, wherein oblique guide grooves are formed on the two side surfaces of the hole flanging die set, and the guide grooves are communicated with the upper surface of the hole flanging die set; the upper die base is provided with an oblique guide block matched with the guide groove, and the first strip-shaped section is provided with a guide groove matched with the guide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656220.5A CN111745007A (en) | 2020-07-09 | 2020-07-09 | Precise hole flanging and stripping integrated device for automobile framework parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656220.5A CN111745007A (en) | 2020-07-09 | 2020-07-09 | Precise hole flanging and stripping integrated device for automobile framework parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111745007A true CN111745007A (en) | 2020-10-09 |
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ID=72710886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010656220.5A Pending CN111745007A (en) | 2020-07-09 | 2020-07-09 | Precise hole flanging and stripping integrated device for automobile framework parts |
Country Status (1)
| Country | Link |
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| CN (1) | CN111745007A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57154330A (en) * | 1981-03-20 | 1982-09-24 | Toyota Motor Corp | Structure of press working mold |
| JP3072095B1 (en) * | 1999-06-25 | 2000-07-31 | ユミックス株式会社 | Press equipment |
| CN102284620A (en) * | 2011-07-27 | 2011-12-21 | 东莞市大忠电子有限公司 | Bilateral hole turnup structure of double-hole shielding cover progressive die |
| CN103658377A (en) * | 2012-09-14 | 2014-03-26 | 上海日晗精密机械有限公司 | Three-shaft driving structure mold capable of achieving bi-directional hole flanging |
| CN104889235A (en) * | 2015-06-18 | 2015-09-09 | 广西柳州市昌业机械制造有限公司 | Part punching die |
| CN105344723A (en) * | 2015-12-17 | 2016-02-24 | 重庆麦拓科技有限公司 | Guide and guard device |
-
2020
- 2020-07-09 CN CN202010656220.5A patent/CN111745007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57154330A (en) * | 1981-03-20 | 1982-09-24 | Toyota Motor Corp | Structure of press working mold |
| JP3072095B1 (en) * | 1999-06-25 | 2000-07-31 | ユミックス株式会社 | Press equipment |
| CN102284620A (en) * | 2011-07-27 | 2011-12-21 | 东莞市大忠电子有限公司 | Bilateral hole turnup structure of double-hole shielding cover progressive die |
| CN103658377A (en) * | 2012-09-14 | 2014-03-26 | 上海日晗精密机械有限公司 | Three-shaft driving structure mold capable of achieving bi-directional hole flanging |
| CN104889235A (en) * | 2015-06-18 | 2015-09-09 | 广西柳州市昌业机械制造有限公司 | Part punching die |
| CN105344723A (en) * | 2015-12-17 | 2016-02-24 | 重庆麦拓科技有限公司 | Guide and guard device |
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Application publication date: 20201009 |