CN214683914U - Anti-bouncing device for stamping die - Google Patents
Anti-bouncing device for stamping die Download PDFInfo
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- CN214683914U CN214683914U CN202022930094.6U CN202022930094U CN214683914U CN 214683914 U CN214683914 U CN 214683914U CN 202022930094 U CN202022930094 U CN 202022930094U CN 214683914 U CN214683914 U CN 214683914U
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- die
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- bending
- round
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Abstract
本发明公开一种用于冲压模的防跳动装置，其特征在于：包括位于胚料两端的固定座；每个固定座上均设有一个摆动杆；所述摆动杆一端与固定座摆动连接，另一端固定连接防跳板。本实用新型压弯压筋工位是一次性完成减少了工序，并且有防跳动装置防止压弯时和推料中压好的产品跳动或窜动，产品能顺畅的送出。
The invention discloses an anti-bounce device for a stamping die, which is characterized in that: it comprises fixed seats located at both ends of a blank; each fixed seat is provided with a swing rod; one end of the swing rod is oscillatingly connected with the fixed seat, The other end is fixedly connected to the anti-jumping board. The bending and beading station of the utility model can be completed at one time, reducing the process, and an anti-jumping device is provided to prevent the pressed product from jumping or swaying during bending and pushing, and the product can be sent out smoothly.
Description
Technical Field
The utility model relates to a punching press technical field especially relates to a prevent jumping device for press die.
Background
As shown in fig. 1 and 2, the L-shaped bracket product is a common product and is widely used, especially in the automobile industry. The precision grade of a general L-shaped support product is T12 grade, and the L-shaped support belongs to a part with low precision requirement, and the size technical requirement of the L-shaped support product is not high. The product is also subjected to plastic coating and painting treatment.
As shown in fig. 3, after the product is rounded in the prior art, because the rounded corner is small, a process sharp corner exists near the cut, and a safety hazard exists.
As shown in fig. 4 and 5, in the conventional sample arrangement, square holes and round holes of adjacent parts are arranged in a staggered manner, and the arrangement distance between the adjacent parts is large, and the process is square hole punching, round hole → groove punching → pre-bending → bending and rib pressing → cutting. Therefore, the wider lapping edge is adopted, and the material utilization rate is low. The product yield is large, and the annual output value is over 600 ten thousand. 67.2 tons of waste materials due to scrap are generated in the year.
The overlap of each product of the original stock layout needs more than one time of the thickness of the material, and the waste materials of six products can be more than one product and are extremely wasted.
SUMMERY OF THE UTILITY MODEL
Problem to the background art exists, the utility model aims to provide a solve material utilization and hang down, solution round corner cut that again can be fine produces the anti-bouncing device for press die of technology closed angle problem.
In order to prevent the formed part from being pushed out normally due to the fact that the formed part cannot be pushed out normally due to the fact that the product of the formed part is jumped and rotated after bending, a device for controlling the formed part to prevent jumping and rotation is designed.
The utility model relates to an anti-bouncing device for a stamping die, which comprises fixed seats positioned at two ends of a blank; each fixed seat is provided with a swinging rod; one end of the swinging rod is connected with the fixed seat in a swinging mode, and the other end of the swinging rod is fixedly connected with the anti-jumping plate.
Preferably, the anti-bouncing plate is fixed at the end of the swinging rod through a pressing plate.
Preferably, the width of the anti-jump plate is equal to the product of the width of the single part and the modulus of the output part.
The scrap-free progressive die is characterized in that: the L-shaped bracket with the round corners for punch forming comprises a punching die, a cutting die, a round corner cutting die and a bending die which are sequentially arranged along the feeding direction.
Preferably, the punching die is used for punching and forming a round hole and two square holes on the blank, and all the punched round holes are in the same straight line.
Preferably, the cutting die comprises a cutting male die and a cutting female die, and a plurality of jacking blocks are arranged on the cutting female die at intervals; and a cutting male die is arranged above each ejection block, and a floating structure for resetting the ejection block is arranged below each ejection block.
Further preferably, the floating mechanism comprises an ejector rod connected with the bottom of the ejector block, and a first spring for jacking and resetting the ejector rod.
Still further preferably, a seam allowance is arranged between the ejector rod and the cutting female die. Can support the echelonment with the ejector beam, so can realize the tang cooperation, can restrict the upward stroke of ejector beam like this, so accurate with the part that cuts reset.
Preferably, the fillet cutting die simultaneously cuts off fillets on adjacent sides of two adjacent blanks; the device comprises a round corner cutting male die and a round corner cutting female die; the device also comprises a pilot nail which can be inserted into the hole on the blank to separate two adjacent blanks for a certain distance.
Further preferably, the distance between two adjacent blanks is less than 2 mm.
Further preferably, the distance from the end face of the pilot pin to the surface of the blank is smaller than the distance from the end face of the male die to the surface of the blank.
Further preferably, in the feeding direction, the distance between the holes of the blank into which the adjacent guide pins are inserted is smaller than the distance between the adjacent guide pins inserted into the holes.
Still further preferably, the guiding nail comprises a round guiding nail for guiding and positioning a round hole of the blank and a square guiding nail for guiding and positioning one square hole of the blank.
Preferably, the bending die comprises a bending rib pressing male die and a bending rib pressing female die which directly form the blank; the end face of the bending rib-pressing male die is V-shaped and is provided with a groove for forming a rib; and the bending rib-pressing female die is matched with the bending rib-pressing male die.
Still further preferably, the anti-jump device comprises fixed seats positioned at two ends of the blank; each fixed seat is provided with a swinging rod; one end of the swinging rod is connected with the fixed seat in a swinging mode, and the other end of the swinging rod is fixedly connected with the anti-jumping plate.
Still further preferably, the anti-springing board is fixed at the end of the swing rod through a pressing board.
Still further preferably, the width of the anti-jump board is equal to the product of the width of the single part and the output module.
Between the round corner cutting step and the bending step, the round corner cutting station cannot be completely reset when the step pitch is larger than the normal step pitch and the round corner cutting station enters the bending rib pressing step, so that two sides between the two stations are respectively provided with a reset device. Preferably, the reset device comprises an elastic reset rod and a striker plate; the distance between the elastic reset rod and the striker plate is the product of the width of a single part and the modulus of the output part.
Preferably, the elastic reset rod comprises a reset rod abutted at the round corner of the blank and a reset spring abutted on the reset rod.
As a preferred scheme, the punching die, the cutting die and the round corner cutting die are provided with guide plates at two ends of the blank; the material guide plate is provided with a material guide groove for accommodating blanks.
The utility model discloses optimize from the part of stock layout to mould, utility model discloses how the key can fine pay-off under the condition with the carrier separation, cut both ends fillet and pay-off and how target in place after the separation.
The utility model discloses no scrap (bridge) stock layout has solved the material and has utilized the maximize and promoted a mould by a mould two and go out four efficiency and obtained the promotion. The problem of punching round corners at two ends is solved by separating the blanks at the station by a certain distance to meet the requirement of punching the round corners.
The utility model discloses from material utilization to continuous die mechanism, through punching a hole, cutting off, vacancy, separation blank fillet of cutting to the rib of buckling that resets, accomplish four products. It has high efficiency and no overlap.
The utility model discloses the muscle station is pressed in the bending has once only been accomplished and has been reduced the process to have when preventing jumping device from preventing the bending with push away the good product of material middling pressure and beat or the drunkenness, the product can smooth and easy send out.
Drawings
Figures 1 and 2 show an L-shaped bracket to be manufactured,
figure 3 is a representation of the sharp corners present in prior art processes,
FIGS. 4 and 5 are schematic diagrams of prior art stock patterns;
figure 6 is a perspective view of the continuous die without overlap of the present invention,
figure 7 is a schematic front view of the continuous die without overlap of the present invention,
FIG. 8 is a schematic top view of the present invention, without a scrap, progressive die;
fig. 9 is a schematic cross-sectional view of the cutting die of the present invention;
fig. 10 is a schematic perspective view of the corner cutting die of the present invention;
fig. 11 is a schematic perspective view of the bending mold of the present invention;
fig. 12 is a schematic perspective view of the anti-bouncing device of the present invention;
fig. 13 is a schematic perspective view of the repositioning device of the present invention;
fig. 14 is a partial schematic view of the blank at the corner of the cutting circle of the present invention.
In the figure: 1. punching a die; 2. cutting off the mold; 2.1, cutting off the male die; 2.2, cutting off the female die; 2.3, ejecting a material block; 2.4, a floating structure; 2.5, a material ejecting rod; 2.6, a first spring; 2.7, stopping the opening; 3. a fillet cutting die; 3.1, cutting a round corner convex die; 3.2, cutting a round angle female die; 3.3, aligning the nail; 3.4, round guide nails; 3.5, square pilot nails; 4. bending the die; 4.1, bending and rib-pressing male dies; 4.2, bending and ribbing the female die; 5. a blank; 6. an anti-bounce device; 6.1, fixing a seat; 6.2, a swing rod; 6.3, an anti-bouncing plate; 6.4, pressing a plate; 7. A resetting device; 7.1, an elastic reset rod; 7.2, a striker plate; 7.3, a reset rod; 7.4, a return spring; 8. A material guide plate; 8.1, a material guide groove.
Detailed Description
The technical solutions (including the preferred technical solutions) of the present invention are further described in detail by referring to fig. 6 to 14 and illustrating some alternative embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 6 to 14, the lap-free progressive die for punch forming an L-shaped bracket with a round corner comprises a punching die 1, a cutting die 2, a round corner cutting die 3 and a bending die 4 which are arranged in sequence along a feeding direction.
Preferably, the punching die 1 punches a round hole and two square holes on the blank 5, and all the punched round holes are in a straight line.
Preferably, the cutting die 2 comprises a cutting male die 2.1 and a cutting female die 2.2, and a plurality of top blocks 2.3 are arranged on the cutting female die 2.2 at intervals; a cutting convex die 2.1 is arranged above each top material block 2.3, and a floating structure 2.4 for resetting the top material block 2.3 is arranged below the top material block.
Further preferably, the floating mechanism comprises an ejector rod 2.5 connected with the bottom of the ejector block 2.3 and a first spring 2.6 for jacking and resetting the ejector rod 2.5.
More preferably, a seam allowance 2.7 is arranged between the ejector rod 2.5 and the cutting female die 2.2. Can support the echelonment with ejector beam 2.5, so can realize the cooperation of tang 2.7, can restrict the upstroke of ejector beam 2.5 like this, so accurate part that will cut resets.
Preferably, the fillet cutting die 3 simultaneously cuts off the fillet on the adjacent side of two adjacent blanks 5; the device comprises a fillet cutting convex die 3.1 and a fillet cutting concave die 3.2; and a pilot pin 3.3 which can be inserted into a hole in the blank 5 to separate two adjacent blanks 5 by a certain distance.
It is further preferred that the distance between two adjacent blanks 5 is less than 2 mm.
It is further preferred that the distance from the end face of the pilot pin 3.3 to the surface of the blank 5 is smaller than the distance from the end face of the punch to the surface of the blank 5.
It is further preferred that the distance of the holes in the blank 5 into which adjacent guide pins are inserted is smaller than the distance between adjacent guide pins 3.3 inserted into the holes in the feeding direction.
Still more preferably, the guiding nail 3.3 comprises a round guiding nail 3.4 for guiding and positioning a round hole of the blank 5 and a square guiding nail 3.5 for guiding and positioning one square hole of the blank 5.
The blank enters a round corner cutting station, in order to completely trim a round corner, the blank is separated by a certain distance H, H is less than 2mm, see figure 14, and a round pilot pin 3.4 and a square pilot pin 3.5 are designed on a die pressure plate. The upper die of the die moves downwards to guide the blank, so that the purpose of separating the blank is achieved. And the fillet-cutting convex die 3.1 is used for cutting fillets at two ends. To ensure spacing, five round pilot pins 3.4 and five square pilot pins 3.5 are used. The station is larger than the feeding step pitch, can completely cut round corners, and does not have sharp corners, as shown in figure 3.
Preferably, the bending die 4 comprises a bending rib-pressing male die 4.1 and a bending rib-pressing female die 4.2 which directly form the blank 5; the end face of the bending rib-pressing convex die 4.1 is V-shaped and is provided with a groove for forming a rib; the bending rib-pressing female die 4.2 is matched with the bending rib-pressing male die 4.1.
In order to prevent the formed part from being pushed out normally due to the fact that the formed part cannot be pushed out normally due to the fact that the product of the formed part is jumped and rotated after bending, a device for controlling the formed part to prevent jumping and rotation is designed. Still further preferably, the anti-jump device 6 is also included, and comprises fixed seats 6.1 positioned at two ends of the blank 5; each fixed seat 6.1 is provided with a swing rod 6.2; one end of the oscillating rod 6.2 is connected with the fixed seat 6.1 in an oscillating way, and the other end is fixedly connected with the anti-springing board 6.3.
It is further preferred that the anti-jump plate 6.3 is fixed to the end of the swing lever 6.2 by a pressure plate 6.4.
It is still further preferred that the width of the anti-jump plate 6.3 is equal to the product of the width of a single part and the modulus of the output.
Therefore, the formed part can be smoothly pushed out of the die under the limit of the anti-jumping plate 6.3 and falls into the discharging chute.
Between the round corner cutting step and the bending step, the round corner cutting station cannot be completely reset when the step pitch is larger than the normal step pitch and the round corner cutting station enters the bending rib pressing step, and therefore, two sides between the two stations are respectively provided with a reset device 7. Preferably, the resetting device 7 comprises an elastic resetting rod 7.1 and a striker plate 7.2; the distance between the elastic reset rod 7.1 and the striker plate 7.2 is the product of the width of a single part and the modulus of the output.
Preferably, the elastic return arm 7.1 comprises a return arm 7.3 abutting against a round corner of the blank 5 and a return spring 7.4 abutting against the return arm 7.3.
The elastic reset rod 7.1 extrudes the blank into the bending rib-pressing female die 4.2, and two material blocking plates 7.2 are designed outside the bending rib-pressing female die 4.2 for preventing the blank from being pushed out, so that the blank 5 returns to the normal step pitch for bending and rib pressing.
Preferably, the punching die 1, the cutting die 2 and the round corner cutting die 3 are provided with guide plates 8 at two ends of the blank 5; the material guide plate 8 is provided with a material guide groove 8.1 for accommodating the blank 5.
The press machine drives the upper die to move downwards, the punching die 1 finishes punching two rows of round holes and square holes, when the upper die moves upwards, the feeder sends the strip materials into the next station, the upper die continues to move downwards to press round positioning pins and square positioning pins on the pressure plate to enter punched holes to guide the blank materials 5, the pressure plate presses the strip materials, and the punching die 1 punches the round holes and the square holes.
When the upper die moves upwards, the feeder feeds the punched blank 5 to a cutting station, and the upper die continues to move downwards to complete the task of cutting four blanks and strips by the two cutting convex dies 2.1. The upper die moves upwards, and the blank in the lower die concave die ejects the cut blank out of the cutting concave die 2.2 under the action of the floating structure 2.4.
The feeder continues to feed and feed the cut blanks through the strip to the next station, which is vacant to ensure the strength of the continuous die.
The feeder continues to feed materials to enter a round corner cutting station, the upper die moves downwards, five groups of pilot nails 3.3 on the pressure plate separate blanks for a certain distance H, the pressure plate presses the blanks, and the upper die continues to move downwards to the round corner cutting convex die 3.1 to cut round corners at two ends of the blanks.
And when the upper die goes up to the feeder to continue feeding, the upper die enters a bending and rib pressing station. In order to ensure that the blanks accurately enter the station, two sides of the material guide plate 8 are respectively provided with a reset rod 7.3, and the four blanks are reset by using fillet thrust under the action of a reset spring 7.4. And the upper die moves downwards to finish the bending and ribbing work. And the upper die moves upwards, the pressed products are well ordered under the action of the anti-bouncing device 6, the manufactured products are pushed out of the die area through the feeding of the feeding machine, and the products slide out of the sliding groove to finish four products.
It will be understood by those skilled in the art that the foregoing is merely exemplary of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, combinations, alternatives, and equivalents falling within the spirit and scope of the invention.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022930094.6U CN214683914U (en) | 2020-12-07 | 2020-12-07 | Anti-bouncing device for stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022930094.6U CN214683914U (en) | 2020-12-07 | 2020-12-07 | Anti-bouncing device for stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214683914U true CN214683914U (en) | 2021-11-12 |
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ID=78557249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022930094.6U Expired - Fee Related CN214683914U (en) | 2020-12-07 | 2020-12-07 | Anti-bouncing device for stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214683914U (en) |
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2020
- 2020-12-07 CN CN202022930094.6U patent/CN214683914U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211203 Address after: 442020 No. 115, Checheng West Road, Shiyan City, Hubei Province Patentee after: General casting and Forging Branch of Dongfeng auto parts (Group) Co.,Ltd. Address before: 430056 No. 10 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Wuhan, Hubei Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |