CN109351848B - Reverse punching pneumatic discharging mechanism for lock hole of inner plate of vehicle door - Google Patents
Reverse punching pneumatic discharging mechanism for lock hole of inner plate of vehicle door Download PDFInfo
- Publication number
- CN109351848B CN109351848B CN201811299337.1A CN201811299337A CN109351848B CN 109351848 B CN109351848 B CN 109351848B CN 201811299337 A CN201811299337 A CN 201811299337A CN 109351848 B CN109351848 B CN 109351848B
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- CN
- China
- Prior art keywords
- die sleeve
- channel
- waste
- pressing block
- block
- Prior art date
- 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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- 238000007599 discharging Methods 0.000 title claims abstract description 22
- 238000004080 punching Methods 0.000 title claims abstract description 12
- 239000002699 waste material Substances 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 238000000465 moulding Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D28/32—Perforating, i.e. punching holes in other articles of special shape
- B21D28/325—Perforating, i.e. punching holes in other articles of special shape using cam or wedge mechanisms, e.g. aerial cams
-
- 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
- B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
-
- 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
- B21D45/02—Ejecting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a pneumatic discharging mechanism for reversely punching a lock hole of an inner plate of a vehicle door, which comprises a sliding combined block, a forming die sleeve and a fixed seat with a punch; the molding die sleeve consists of a molding die sleeve and a molding male die sleeve; the forming die sleeve is arranged in the fixing seat, a punch is arranged in the forming die sleeve, and an air flow channel is formed in the punch along the axial direction; an air inlet channel is arranged on the fixed seat at the left side of the air flow channel; the sliding combined block comprises a pressing block and an inclined wedge which are fixedly connected by an elastic connecting piece, one end of a forming male die sleeve is fixedly connected in the inclined wedge, and the other end of the forming male die sleeve extends out of the pressing block and is in sliding connection with the pressing block; the forming male die sleeve is axially provided with a waste material channel; the wedge positioned on the right side of the waste material channel is provided with a discharging channel. The invention effectively solves the problem that waste materials splash everywhere in the production process, improves the production efficiency, is safer in the production process, and only needs to replace a damaged part when the part is damaged in the use process, thereby reducing the maintenance cost.
Description
Technical Field
The invention relates to the technical field of automobile production devices, in particular to a reverse punching pneumatic discharging mechanism for a lock hole of an inner plate of a car door.
Background
At present, the domestic automobile door inner plate lock hole die basically adopts a punching and forming composite structure mode. In the traditional process structure, a punch is suspended to punch or is pierced to form a flanging shape when a keyhole is punched, the cutting edge of a female die does not participate in work when the keyhole is punched, burrs are easily generated in the keyhole, and the visual effect is not attractive; and the hole shape is easy to deform, and the irregular shape is easy to appear after the forming, so that the qualification rate of the product is reduced, and the production cost is increased. The traditional punching tool punch adopts a structure mode that a front punch and a rear band hole flanging punch are integrated, and the structure has the following defects: when one of the components is damaged, the whole integrated structure needs to be replaced, and the maintenance cost is high.
In addition, the traditional stamping tool does not treat waste generated by stamping, and the waste is difficult to discharge during stamping, and needs to be cleaned manually, so that the production speed is reduced, and the manual labor is high; and during the flushing, the impact force of the machine can easily splash the waste everywhere, so that the field working environment is bad, the collection of the waste is difficult afterwards, and most importantly, the splashed waste can endanger the personal safety of field staff. It is necessary to find a device that automatically collects the waste material generated during the production process.
Disclosure of Invention
The invention aims to provide a reverse punching pneumatic discharging mechanism for a lock hole of a vehicle door inner plate, which has low maintenance cost and can effectively and automatically collect waste.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention relates to a pneumatic discharging mechanism for reversely punching a lock hole of an inner plate of a vehicle door, which comprises a sliding combined block, a forming die sleeve and a fixed seat with a punch; the molding die sleeve consists of a molding die sleeve coaxially arranged left and right and a molding male die sleeve matched with the molding die sleeve; the forming die sleeve is arranged in the fixing seat, the punch is coaxially arranged in the forming die sleeve, and an air flow channel is axially formed in the punch; an air inlet channel communicated with the air flow channel is formed in the fixed seat positioned on the left side of the air flow channel; the sliding combination block comprises a pressing block and an inclined wedge which are arranged at left and right intervals, and the pressing block is fixedly connected with the inclined wedge through an elastic connecting piece; one end of the forming male die sleeve is fixedly connected in the inclined wedge, and the other end of the forming male die sleeve extends out of the pressing block and is in sliding connection with the pressing block; the forming convex die sleeve is provided with a waste material channel with the diameter larger than the diameter of the right port of the punch along the central shaft; and the wedge positioned on the right side of the waste channel is provided with a discharge channel communicated with the waste channel, and the diameter of the discharge channel is larger than or equal to that of the waste channel.
A fixed block is fixedly connected to the wedge between the pressing block and the wedge; one end of the forming male die sleeve is fixedly connected to the fixed block, and the other end of the forming male die sleeve extends out of the pressing block and is in sliding connection with the pressing block; a hollow round table-shaped cushion block is arranged in the fixed block positioned on the right side of the forming convex die sleeve, the inner diameter of the cushion block is larger than the diameter of the waste material channel, and a discharging channel with the diameter larger than the inner diameter of the cushion block is arranged on the inclined wedge positioned on the coaxial line of the waste material channel.
The outlet of the discharging channel is communicated with the waste box through a waste discharging conduit.
And a taper pipe plug screw is arranged in the air inlet channel positioned at the left side of the fixed seat.
The right end of the punch is flush with the right end of the fixing seat.
The invention has the advantages that the produced waste is impacted by adopting air pressure in the use process, so that the waste is finally collected in the waste box along the waste channel, the discharging channel and the waste discharging pipeline, thereby effectively solving the problem that the waste splashes everywhere in the production process, improving the production efficiency and ensuring safer production process; the punch, the forming die sleeve and the forming punch sleeve are assembled separately, so that the punch, the forming die sleeve and the forming punch sleeve are assembled and formed, and when a certain part is damaged in the use process, only the damaged part is required to be replaced, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic view of the structure of the die before die stamping.
Fig. 2 is a schematic diagram of a die stamping operation structure of the present invention.
Fig. 3 is an enlarged schematic view of the structure of the section I in fig. 2.
Detailed Description
The present invention will be described in more detail below with reference to the accompanying drawings, so as to facilitate understanding by those skilled in the art.
As shown in fig. 1-3, the reverse punching pneumatic discharging mechanism for the lock hole of the inner plate of the vehicle door comprises a sliding combined block, a forming die sleeve and a fixed seat 2 with a punch 1; the molding die sleeve consists of a molding die sleeve 3 and a molding die sleeve 4 matched with the molding die sleeve; the forming die sleeve 3 is arranged in the fixed seat 2, the right end is flush with the right end of the fixed seat 2, the punch 1 is coaxially arranged in the forming die sleeve 3, the right side of the punch 1 is flush with the right end of the fixed seat 2, the punch 1 is provided with an air flow channel 5 along the axial direction, and the fixed seat 2 positioned on the left side of the air flow channel 5 is provided with an air inlet channel 6 communicated with the air flow channel 5; a taper pipe plug screw 16 is arranged in the air inlet channel 6 positioned at the left side of the fixed seat 2; the cone plug 16 facilitates the connection of the air intake duct 17 when the present invention is in use.
The sliding combined block comprises a pressing block 7 and an inclined wedge 8 which are respectively arranged at intervals left and right, and the pressing block 7 and the inclined wedge 8 are fixedly connected through an elastic connecting piece 9; a fixed block 12 is fixedly connected on the wedge 8 positioned between the pressing block 7 and the wedge 8; the molding male die sleeve 4 and the molding female die sleeve 3 are coaxially arranged, the tail end of the molding male die sleeve 4 is arranged on the fixed block 12, and the end extends out of the pressing block 7 and is in sliding connection with the pressing block 7; the right side of the molding male die sleeve 4 is abutted with a hollow round table-shaped cushion block 13, the inner diameter of the cushion block 13 is larger than the diameter of the waste material channel 10, a wedge 8 on the coaxial line of the waste material channel 10 is provided with a discharging channel 11 with the diameter larger than the inner diameter of the cushion block 13, and the outlet of the discharging channel 11 is communicated with a waste material box 15 through a waste material discharging guide pipe 14; the internal diameter of the path along which the waste 18 is discharged becomes sequentially larger, effectively avoiding clogging of the waste 18.
When the invention is used, the taper pipe plug screw 16 is connected with one end of the air inlet pipeline 17, and the other end of the air inlet pipeline 17 is connected with the air compressor; placing a workpiece 19 on the fixing seat 2 at a position which is attached to the right side surface (as shown in figure 1), starting a press, driving a press guide plate 20 to contact with the guide surface of the inclined wedge 8 by the downward movement of the press guide plate 20, continuously pushing the inclined wedge 8 to slide leftwards horizontally, driving a pressing block 7 and a forming convex die sleeve 4 to move leftwards horizontally by the sliding of the inclined wedge 8, stopping moving the pressing block 7 under the action of the fixing seat 2 when the left end of the pressing block 7 contacts with the right side surface of the fixing seat 2, compressing an elastic connecting piece 9 at the moment, and sliding the forming convex die sleeve 4 leftwards in the pressing block 7; when the forming die sleeve 4 moves to be in contact with the workpiece 19, the workpiece 19 is subjected to the pressures of the forming die sleeve 3, the punch 1 and the forming die sleeve 4, and the workpiece 19 is subjected to larger and larger pressure along with the descending of the press guide plate 20 and finally cut off; at this time, the air inlet pipeline 17 is used for air inlet, and the air sequentially passes through the cone screw plug 16, the air inlet channel 6 and the air flow channel 5 to impact the waste 18 and carry the waste 18 to be sequentially discharged to the waste bin 15 along the waste channel 10, the cushion block 13, the discharge channel 11 and the waste discharge conduit 14.
Claims (3)
1. The utility model provides a pneumatic discharging mechanism of reverse punching of door inner panel lockhole, includes slip combined block, shaping die sleeve and fixing base (2) that have drift (1); the method is characterized in that: the molding die sleeve consists of a molding die sleeve (3) which is coaxially arranged at the left and right and a molding convex die sleeve (4) which is matched with the molding die sleeve; the forming die sleeve (3) is arranged in the fixing seat (2), the punch (1) is coaxially arranged in the forming die sleeve (3), and the punch (1) is axially provided with an air flow channel (5); an air inlet channel (6) communicated with the air flow channel (5) is formed in the fixed seat (2) positioned at the left side of the air flow channel (5); the sliding combined block comprises a pressing block (7) and inclined wedges (8) which are arranged at left and right intervals, and the pressing block (7) and the inclined wedges (8) are fixedly connected through elastic connecting pieces (9); one end of the molding convex die sleeve (4) is fixedly connected in the inclined wedge (8), and the other end extends out of the pressing block (7) and is in sliding connection with the pressing block (7); the forming convex die sleeve (4) is provided with a waste material channel (10) with the diameter larger than the diameter of the right port of the punch head (1) along the central shaft; a discharging channel (11) communicated with the waste channel (10) is formed in the wedge (8) positioned on the right side of the waste channel (10), and the diameter of the discharging channel (11) is larger than or equal to that of the waste channel (10);
a fixed block (12) is fixedly connected to the inclined wedge (8) positioned between the pressing block (7) and the inclined wedge (8); one end of the molding convex die sleeve (4) is fixedly connected to the fixed block (12), and the other end extends out of the pressing block (7) and is in sliding connection with the pressing block (7); a hollow round table-shaped cushion block (13) is arranged in a fixed block (12) positioned on the right side of the forming convex die sleeve (4), the inner diameter of the cushion block (13) is larger than the diameter of the waste material channel (10), and a discharging channel (11) with the diameter larger than the inner diameter of the cushion block (13) is formed in a wedge (8) positioned on the coaxial line of the waste material channel (10);
a taper pipe plug screw (16) is arranged in the air inlet channel (6) positioned at the left side of the fixed seat (2).
2. The door inner panel keyhole reverse punching pneumatic discharge mechanism of claim 1, wherein: the outlet of the discharging channel (11) is communicated with a waste box (15) through a waste discharging conduit (14).
3. The door inner panel keyhole reverse punching pneumatic discharge mechanism of claim 1, wherein: the right end of the punch (1) is flush with the right end of the fixing seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811299337.1A CN109351848B (en) | 2018-11-02 | 2018-11-02 | Reverse punching pneumatic discharging mechanism for lock hole of inner plate of vehicle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811299337.1A CN109351848B (en) | 2018-11-02 | 2018-11-02 | Reverse punching pneumatic discharging mechanism for lock hole of inner plate of vehicle door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109351848A CN109351848A (en) | 2019-02-19 |
| CN109351848B true CN109351848B (en) | 2023-10-27 |
Family
ID=65343922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811299337.1A Active CN109351848B (en) | 2018-11-02 | 2018-11-02 | Reverse punching pneumatic discharging mechanism for lock hole of inner plate of vehicle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109351848B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247809A (en) * | 2020-09-23 | 2022-03-29 | 长城汽车股份有限公司 | Stamping module and stamping forming method |
| CN112743624B (en) * | 2020-12-14 | 2022-05-20 | 亚普汽车部件股份有限公司 | Auxiliary mechanism and method for forming hollow body edge clamping hole |
| CN114178381B (en) * | 2021-12-07 | 2022-12-23 | 横店集团东磁股份有限公司 | Die capable of punching from inside to outside and implementation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005014034A (en) * | 2003-06-25 | 2005-01-20 | Amada Co Ltd | Method and device for discharging blanking waste in punch press, blanking press and die device, and die |
| CN202480156U (en) * | 2012-02-18 | 2012-10-10 | 宁波舒普机电科技有限公司 | Pneumatic punching machine |
| CN203140545U (en) * | 2013-01-25 | 2013-08-21 | 东莞市嘉鼎五金模具有限公司 | Punch die discharging mechanism |
| CN105499368A (en) * | 2015-12-29 | 2016-04-20 | 天津褔臻工业装备有限公司 | Pneumatic vehicle body punching device |
| CN108672545A (en) * | 2018-06-15 | 2018-10-19 | 金凯达（佛山）智能装备有限公司 | The up waste material guiding device of hole punched device under a kind of |
-
2018
- 2018-11-02 CN CN201811299337.1A patent/CN109351848B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005014034A (en) * | 2003-06-25 | 2005-01-20 | Amada Co Ltd | Method and device for discharging blanking waste in punch press, blanking press and die device, and die |
| CN202480156U (en) * | 2012-02-18 | 2012-10-10 | 宁波舒普机电科技有限公司 | Pneumatic punching machine |
| CN203140545U (en) * | 2013-01-25 | 2013-08-21 | 东莞市嘉鼎五金模具有限公司 | Punch die discharging mechanism |
| CN105499368A (en) * | 2015-12-29 | 2016-04-20 | 天津褔臻工业装备有限公司 | Pneumatic vehicle body punching device |
| CN108672545A (en) * | 2018-06-15 | 2018-10-19 | 金凯达（佛山）智能装备有限公司 | The up waste material guiding device of hole punched device under a kind of |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109351848A (en) | 2019-02-19 |
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