CN213317007U - Bending mechanism is crossed in forming of automobile longitudinal beam clod wash - Google Patents
Bending mechanism is crossed in forming of automobile longitudinal beam clod wash Download PDFInfo
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- CN213317007U CN213317007U CN202021794450.XU CN202021794450U CN213317007U CN 213317007 U CN213317007 U CN 213317007U CN 202021794450 U CN202021794450 U CN 202021794450U CN 213317007 U CN213317007 U CN 213317007U
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Abstract
The utility model discloses a cold bending forming bending mechanism for automobile longitudinal beams, which comprises two memorial archways symmetrically arranged on a movable base of a forming machine in a left-right mode; a fixed sliding block is arranged at the lower part of the inner side of the housing; the fixed shaft is arranged in the shaft hole of the fixed sliding block in a penetrating mode, one end of the fixed shaft is connected with the inner side bending roller through a bearing set, and the other end of the fixed shaft is provided with an adjusting screw rod pair through a double-guide key; one end of the adjusting screw rod pair, which is far away from the fixed shaft, is in transmission connection with a servo motor reducer through a coupler; the upper part of the fixed sliding block is provided with a sliding chute; an outer roller frame is arranged in the sliding groove; one side of the outer roller frame is provided with an outer bending roller; the other end of the outer roller frame is provided with an adjusting screw rod; an upper sliding block is slidably arranged above the outer side roller frame; a lifting screw is arranged above the upper sliding block in a pressing manner; the utility model discloses a curved mechanism is crossed in forming of automobile longitudinal beam clod wash has realized full automatic adjustment, and the precision is high, convenient, swift.
Description
Technical Field
The utility model relates to a curved mechanism is crossed in forming of automobile longitudinal beam clod wash belongs to automobile longitudinal beam clod wash former technical field.
Background
In the production process of the U-shaped beam of the frame, the cold roll forming has gradually replaced the original stamping forming due to advanced technology and high production efficiency. According to the cold roll forming theory, steel materials generate springback during the forming process, as shown in figure 1, if the required cross-sectional shape of the workpiece is achieved, the workpiece needs to be over-bent, otherwise, the interface size of the workpiece is difficult to ensure.
With the continuous improvement of the requirements of various truck host factories in China on longitudinal beams, in order to improve the quality and the production efficiency of workpieces, the bending mechanism must be capable of meeting the requirements of flexibility and automation.
In view of the above, the utility model provides a can cross curved on line to mechanism that can automatic adjustment, with the requirement of satisfying current production line.
Disclosure of Invention
In order to solve the problem, the utility model provides a curved mechanism is crossed in forming of automobile longitudinal beam clod wash has realized full automatic adjustment, and the precision is high, convenient, swift.
The utility model discloses a bending mechanism for cold bending forming of automobile longitudinal beams, which comprises two memorial archways symmetrically arranged on a movable base of a forming machine left and right, wherein three guide rails are processed on two sides inside the memorial archways and used for guiding a lower fixed slide block and an upper slide block; a fixed sliding block is arranged at the lower part of the inner side of the housing; a shaft hole for installing a guide fixing shaft is processed in the center of the fixed sliding block; the fixed shaft is arranged in the shaft hole of the fixed sliding block in a penetrating mode, one end of the fixed shaft is connected with the inner bending passing roller through a bearing set, the other end of the fixed shaft is provided with an adjusting screw rod pair through a double-guide key, and under the action of the adjusting screw rod pair, the fixed shaft can move along the axis direction and is used for adjusting the gap between the inner bending passing roller and the outer bending passing roller; one end of the adjusting screw rod pair, which is far away from the fixed shaft, is connected with a servo motor reducer through a coupler, and the servo motor reducer drives the adjusting screw rod pair to rotate through the coupler, so that the axial movement of the inner side passing through the bending roller is realized;
the upper part of the fixed sliding block is provided with a sliding chute; an outer roller frame is arranged in the sliding groove; one side of the outer roller frame is provided with an outer bending roller; the other end of the outer roller frame is provided with an adjusting screw rod; the nut seat of the adjusting screw is fixedly connected with the fixed sliding block, the outer roller frame slides left and right in the sliding groove at the upper part of the fixed sliding block through the driving of the adjusting screw, and an outer bending roller is arranged at one end of the outer roller frame and used for adjusting the width error of a workpiece;
an upper sliding block is slidably arranged above the outer side roller frame; the upper sliding block is arranged on an inner guide rail of the housing, and can move up and down under the action of the lifting screws on the two sides; the lifting screw is in transmission connection with a worm gear pair of the synchronous mechanism; the synchronous mechanism is arranged on the upper cross beam; the upper end of the upper cross beam is fixed on the memorial archway through a screw; a left-right lifting synchronous mechanism is arranged on the upper cross beam,
the lifting screw drives the left and right upper sliding blocks to synchronously lift under the action of a worm wheel pair in the synchronous mechanism so as to adjust the clearance between the upper and lower rollers; the synchronous mechanism is driven by a motor, forms accurate closed-loop control with a measuring device between the upper sliding block and the fixed sliding block, can adapt to workpieces with different thicknesses by adjusting the lifting screw rod and the adjusting screw rod pair, and is suitable for various workpieces and complete specifications;
an upper fixed shaft driven by a motor penetrates through the upper sliding block of the memorial archway on the left side and the right side, and two ends of the upper fixed shaft are connected with the upper sliding block through bearings; an upper compression roller is arranged between the two upper sliding blocks in the center of the upper fixed shaft, and the upper fixed shaft is used for installing and fixing the upper compression roller and transmitting power to the upper compression roller so as to drive a workpiece to advance; two ends of the upper fixed shaft are connected with the upper sliding block through bearings and can slide along the axis direction.
Furthermore, the outer bending rollers and the inner bending rollers of the memorial archways on the left side and the right side are respectively arranged oppositely; the upper compression roller is pressed above the workpiece and fixed on the upper fixed shaft through a guide key, a round nut and the like, and when the unit operates, downward positive pressure is applied to the workpiece to prevent the upper plane from deforming due to the fact that two side faces are bent excessively; the outer sides of the memorial archways on the left side and the right side are pressed on the outer side of a workpiece through bending rollers; the inner sides of the memorial archways on the left side and the right side are pressed on the inner sides of the workpieces through bending rollers.
Furthermore, an adjusting cushion block for adjusting the horizontal height of the inner side bending roller is further installed below the fixed sliding block.
Furthermore, the central line of the shaft hole and the central line of the unit form an included angle, the shaft hole is processed in the fixed sliding block, and the central line of the shaft hole and the central line of the unit form a certain included angle, and the included angle is an over-bent angle; the shaft hole is used for installing a guide fixing shaft, so that the inner side of the shaft passes through the bending roller to keep a fixed angle.
Furthermore, a bearing seat is installed at one end of the adjusting screw rod pair, which is far away from the fixed shaft; the bearing seat is fixedly arranged on a connecting seat of the servo motor speed reducer.
Furthermore, the outer side bending roller is a conical roller, and the conical degree of the conical roller is consistent with the inclination of the shaft hole of the fixed sliding block; and the generatrix of the outer bending roller is parallel to the outer side surface of the inner bending roller.
In a preferred embodiment, the outer bending roller, the inner bending roller and the upper press roller are all formed by finely processing alloy tool steel, and the surfaces of the outer bending roller, the inner bending roller and the upper press roller are subjected to hardening treatment, so that the outer bending roller, the inner bending roller and the upper press roller have high strength and wear resistance.
Further, a centering mechanism is arranged above the upper compression roller; the centering mechanism comprises a connecting rod and a sliding seat which is arranged on the connecting rod in a sliding manner; and the guide posts are fixed on the two sides of the sliding seat; a limit bearing is movably embedded on the guide post; the bottom of the guide post is tightly pressed with the limiting bearing through a nut; the limiting bearing is attached to two ends of the upper compression roller; one end of the connecting rod is fixed with the fixed seat, and the other end of the connecting rod is movably embedded with the sliding seat; the fixed seat and the sliding seat are fixed with the upper sliding block through screws respectively; a motor for driving the gear is fixed on the rear side of the sliding seat; the gear is meshed with the rack; the rack is integrally manufactured with the connecting rod; the rack and the connecting rod are directly assembled by the existing rack sliding rail, and the traveling mechanism consisting of the gear and the rack is the prior art, so the specific structure of the traveling mechanism is not detailed; when the device works, when the left and right memorial archways are pulled open or retracted, the upper fixed shaft axially slides on the upper sliding block, one end of the connecting rod is fixed, the other end of the connecting rod slides along the sliding seat, the sliding distance of the connecting rod is the pulling distance of the left and right memorial archways, the distance is divided by 2 to be the centering distance, the gear is driven by the motor to rotate, and the circular motion of the gear is converted into the linear motion of the rack due to the meshing of the gear and the rack, so that the sliding is driven to move to the middle position along the connecting rod, and the upper compression roller is driven to move by the upper fixed shaft of the upper compression roller due; by adjusting the distance between the left and right memorial archways, workpieces with different widths can be bent.
Furthermore, the synchronous mechanism is a worm gear synchronous transmission mechanism, and the synchronous mechanism is a synchronous lifting mechanism of two linked linear worm gear lifters in the prior art and mainly comprises a worm wheel, a worm, a transmission shaft, a spline sleeve and the like; the worm and gear synchronous transmission mechanism is driven by a motor, and the motor is arranged at one end of the worm and gear lifter and is connected with an input shaft of one of the worm and gear lifters; the input shaft of the worm gear lifter at the other end is connected with a rotary encoder, and a displacement sensor arranged between the rotary encoder and the upper and lower sliding blocks forms accurate closed-loop control of the upper and lower positions; the worm and gear synchronous transmission mechanism is a transmission mechanism in the prior art, and the specific connection structure and the working principle thereof are not described in detail herein.
Furthermore, the power ends of the two inner side bending rollers are in transmission connection with a servo motor reducer through adjusting lead screw pairs respectively, and the inner side bending rollers drive the adjusting lead screw pairs to carry out position accurate adjustment through the servo motor driven reducer, so that the accurate adjustment of the axial displacement of the inner side bending rollers is realized.
Compared with the prior art, the utility model discloses a car longeron cold bending shaping mechanism of bending, through the interval of adjusting left and right memorial archways, can bend the work piece of different width; the adjustable screw pair and the lifting screw can adapt to workpieces with different thicknesses and are suitable for various types and complete specifications; the motor is adopted for driving and accurate measurement, the control can be conveniently carried out through the programmable controller, the full-automatic adjustment is realized, and the precision is high, convenient and fast.
Drawings
FIG. 1 is a schematic diagram illustrating the principle of springback generated during the forming process of a steel material in the prior art.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is an enlarged schematic view of the Z-position of the present invention.
The parts in the drawings are marked as follows: 1-memorial archway, 1A-left memorial archway, 1B-right memorial archway, 2-fixed sliding block, 3-fixed shaft, 4-servo motor reducer, 5-adjusting screw rod pair, 6-inner side bending roller, 7-adjusting screw rod, 8-outer side roller frame, 9-outer side bending roller, 10-upper fixed shaft, 11-upper sliding block, 12-upper pressing roller, 13-lifting screw rod, 14-upper cross beam, 151-connecting rod, 152-sliding seat, 153-guide column, 154-limit bearing, 155-nut, 156-fixed seat, 157-sliding seat, 16-synchronous mechanism, 17-workpiece, V-shaft hole center line and W-machine set center line.
Detailed Description
The automobile longitudinal beam cold-bending forming bending mechanism shown in fig. 2 and 3 comprises two housing windows 1 which are symmetrically arranged on a movable base of a forming machine from left to right, wherein three guide rails are processed on two sides inside the housing windows and used for guiding a lower fixed sliding block and an upper sliding block; the lower part of the inner side of the housing 1 is provided with a fixed slide block 2; a shaft hole (not shown) for installing a guide fixing shaft is processed in the center of the fixed sliding block 2; the fixed shaft 3 is arranged in a shaft hole of the fixed sliding block 2 in a penetrating mode, one end of the fixed shaft 3 is connected with the inner bending passing roller 6 through a bearing set, the other end of the fixed shaft 3 is provided with an adjusting screw rod pair 5 through a double-guide key, and under the action of the adjusting screw rod pair, the fixed shaft can move along the axis direction and is used for adjusting the gap between the inner bending passing roller and the outer bending passing roller; one end of the adjusting screw pair 5, which is far away from the fixed shaft 3, is in transmission connection with a servo motor reducer 4 through a coupler, and the servo motor reducer drives the adjusting screw pair to do rotary motion through the coupler, so that the axial movement of the inner side of the adjusting screw pair passing through the bending roll is realized;
the upper part of the fixed slide block 2 is provided with a sliding chute; an outer roller frame 8 is arranged in the sliding groove; one side of the outer roller frame 8 is provided with an outer bending roller 9; the other end of the outer roller frame 9 is provided with an adjusting screw 7; the nut seat of the adjusting screw 7 is fixedly connected with the fixed sliding block 2, the outer roller frame slides left and right in a sliding groove in the upper part of the fixed sliding block through the driving of the adjusting screw, and an outer bending roller is installed at one end of the outer roller frame and used for adjusting the width error of a workpiece;
an upper sliding block 11 is slidably arranged above the outer roller frame 8; a lifting screw 13 is connected above the upper sliding block 11, the upper sliding block is arranged on an inner guide rail of the housing, and the left sliding block and the right sliding block can move up and down under the action of the lifting screws on the two sides; the lifting screw 13 is in transmission connection with a worm gear pair of the synchronous mechanism 16; the synchronizing mechanism 16 is mounted on the upper cross beam 14; the upper end of the upper cross beam 14 is fixed on the housing 1 through a screw; a left-right lifting synchronization mechanism is arranged on the upper cross beam, and a lifting screw drives a left upper sliding block and a right upper sliding block to synchronously lift under the action of a worm gear pair in the synchronization mechanism so as to adjust the clearance between the upper roller and the lower roller; the synchronous mechanism is driven by a motor and forms accurate closed-loop control with a displacement measuring device between the upper sliding block and the fixed sliding block; the lifting screw and the adjusting screw pair can be adjusted to adapt to workpieces with different thicknesses, and the device is suitable for various workpieces and full specifications;
an upper fixed shaft 10 driven by a motor penetrates through upper sliding blocks 11 of the memorial archways 1A and 1B on the left and right sides, two ends of the upper fixed shaft 10 are connected with the upper sliding block through bearings, and the upper fixed shaft 10 extends into the memorial archways 1A on the left side from the upper sliding blocks 11 of the memorial archways 1A on the left side and extends to the outside of the upper sliding blocks 11 of the memorial archways 1B on the right side; an upper compression roller 12 is arranged in the center of the upper fixing shaft 10 and between the two upper sliding blocks 11, and the upper fixing shaft is used for installing and fixing the upper compression roller and transmitting power to the upper compression roller so as to drive a workpiece to advance; two ends of the upper fixed shaft are connected with the upper sliding block through bearings and can slide along the axis direction.
The outer side bending rollers 9 and the inner side bending rollers 6 of the memorial archways 1A and 1B on the left side and the right side are respectively arranged oppositely; the upper compression roller 12 is pressed above the workpiece 17 and fixed on the upper fixed shaft through a guide key, a round nut and the like, and when the unit operates, downward positive pressure is applied to the workpiece to prevent upper plane deformation caused by over-bending of two side surfaces; the outer sides of the memorial archways 1A and 1B on the left side and the right side are pressed on the outer side of a workpiece 17 through bending rollers 9; the inner sides of the memorial archways 1A and 1B on the left side and the right side are pressed on the inner sides of workpieces 17 through bending rollers 6.
An adjusting cushion block (not shown) for adjusting the horizontal height of the inner bending roller 6 is further installed below the fixed sliding block 2.
The center line V of the shaft hole and the center line W of the unit form an included angle, the shaft hole is machined in the fixed sliding block, and the center line of the shaft hole and the center line of the unit form a certain included angle, and the included angle is an over-bent angle; the shaft hole is used for installing a guide fixing shaft, so that the inner side of the shaft passes through the bending roller to keep a fixed angle.
A bearing seat is arranged at one end of the adjusting screw pair 5, which is far away from the fixed shaft 3; the bearing seat is fixedly arranged on a connecting seat of the servo motor speed reducer 4.
The outer side bending roller 9 is a conical roller, and the conical degree of the conical roller is consistent with the inclination of the shaft hole of the fixed sliding block 2; the generatrix of the outer bending roller 9 is parallel to the outer side of the inner bending roller 6.
The outer side bending passing roller 9, the inner side bending passing roller 6 and the upper press roller 12 are formed by alloy tool steel through fine machining, and the surfaces of the outer side bending passing roller and the upper press roller are hardened and have high strength and wear resistance.
A centering mechanism is arranged above the upper compression roller 12; the centering mechanism comprises a connecting rod 151 and a sliding seat 152 which is slidably arranged on the connecting rod; and guide posts 153 fixed to both sides of the slide base; a limit bearing 154 is movably embedded on the guide post; the bottom of the guide post is tightly pressed with the limiting bearing through a nut 155; the limit bearing 154 is attached to two ends of the upper compression roller 12; one end of the connecting rod 151 is fixed with the fixed seat 156, and the other end is movably embedded with the sliding seat 157; the fixed seat 156 and the sliding seat 157 are fixed with the upper slide block 11 through screws respectively; a motor for driving the gear is fixed at the rear side of the sliding seat 152; the gear is meshed with the rack; the rack is integrally formed with the connecting rod 151; the rack and the connecting rod are directly assembled by the existing rack sliding rail, and the traveling mechanism consisting of the gear and the rack is the prior art, so the specific structure of the traveling mechanism is not detailed; when the device works, when the left and right memorial archways are pulled open or retracted, the upper fixed shaft axially slides on the upper sliding block, one end of the connecting rod is fixed, the other end of the connecting rod slides along the sliding seat, the sliding distance of the connecting rod is the pulling distance of the left and right memorial archways, the distance is divided by 2 to be the centering distance, the gear is driven by the motor to rotate, and the circular motion of the gear is converted into the linear motion of the rack due to the meshing of the gear and the rack, so that the sliding is driven to move to the middle position along the connecting rod, and the upper compression roller is driven to move by the upper fixed shaft of the upper compression roller due; by adjusting the distance between the left and right memorial archways, workpieces with different widths can be bent.
The synchronous mechanism 16 is a worm gear synchronous transmission mechanism, and the synchronous mechanism is two linkage linear type worm gear and worm lifter synchronous lifting mechanisms in the prior art and mainly comprises a worm gear, a worm, a transmission shaft, a spline sleeve and the like; the worm and gear synchronous transmission mechanism is driven by a motor, and the motor is arranged at one end of the worm and gear lifter and is connected with an input shaft of one of the worm and gear lifters; the input shaft of the worm gear lifter at the other end is connected with a rotary encoder, and a displacement sensor arranged between the rotary encoder and the upper and lower sliding blocks forms accurate closed-loop control of the upper and lower positions; the worm and gear synchronous transmission mechanism is a transmission mechanism in the prior art, and the specific connection structure and the working principle thereof are not described in detail herein.
The power ends of the two inner side bending rollers 6 are in transmission connection with a servo motor speed reducer 4 through an adjusting lead screw pair 5 respectively, and the inner side bending rollers drive the adjusting lead screw pair to carry out position accurate adjustment through the servo motor driving speed reducer, so that accurate adjustment of axial displacement of the inner side bending rollers is realized.
The automobile longitudinal beam cold bending forming bending mechanism can bend workpieces with different widths by adjusting the distance between the left and right memorial archways; the adjustable screw pair and the lifting screw can adapt to workpieces with different thicknesses and are suitable for various types and complete specifications; the motor is adopted for driving and accurate measurement, the control can be conveniently carried out through the programmable controller, the full-automatic adjustment is realized, and the precision is high, convenient and fast.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (10)
1. A cold bending forming over-bending mechanism for automobile longitudinal beams comprises two memorial archways which are symmetrically arranged on a movable base of a forming machine from left to right; the method is characterized in that: a fixed sliding block is arranged at the lower part of the inner side of the housing; a shaft hole for installing a guide fixing shaft is processed in the center of the fixed sliding block; the fixed shaft is arranged in the shaft hole of the fixed sliding block in a penetrating mode, one end of the fixed shaft is connected with the inner side bending roller through a bearing set, and the other end of the fixed shaft is provided with an adjusting screw rod pair through a double-guide key; one end of the adjusting screw rod pair, which is far away from the fixed shaft, is in transmission connection with a servo motor reducer through a coupler;
the upper part of the fixed sliding block is provided with a sliding chute; an outer roller frame is arranged in the sliding groove; one side of the outer roller frame is provided with an outer bending roller; the other end of the outer roller frame is provided with an adjusting screw rod; the nut seat of the adjusting screw is fixedly connected with the fixed sliding block;
an upper sliding block is slidably arranged above the outer side roller frame; a lifting screw is connected above the upper sliding block; the lifting screw is in transmission connection with a worm gear pair of the synchronous mechanism; the synchronous mechanism is arranged on the upper cross beam; the upper end of the upper cross beam is fixed on the memorial archway through a screw;
an upper fixed shaft driven by a motor penetrates through the upper sliding block of the memorial archway on the left side and the right side, and two ends of the upper fixed shaft are connected with the upper sliding block through bearings; and an upper press roller is arranged in the center of the upper fixed shaft and between the two upper sliding blocks.
2. The cold roll forming overbending mechanism for the automobile longitudinal beam as claimed in claim 1, wherein: the outer bending rollers and the inner bending rollers of the memorial archways on the left side and the right side are respectively arranged oppositely; the upper compression roller is arranged above the workpiece in a pressing manner; the outer sides of the memorial archways on the left side and the right side are pressed on the outer side of a workpiece through bending rollers; the inner sides of the memorial archways on the left side and the right side are pressed on the inner sides of the workpieces through bending rollers.
3. The cold roll forming overbending mechanism for the automobile longitudinal beam as claimed in claim 1, wherein: and an adjusting cushion block for adjusting the horizontal height of the inner side bending roller is further arranged below the fixed sliding block.
4. The cold roll forming overbending mechanism for the automobile longitudinal beam as claimed in claim 1, wherein: the central line of the shaft hole and the central line of the unit form an included angle.
5. The cold roll forming overbending mechanism for the automobile longitudinal beam as claimed in claim 1, wherein: a bearing seat is arranged at one end of the adjusting screw rod pair, which is far away from the fixed shaft; the bearing seat is fixedly arranged on a connecting seat of the servo motor speed reducer.
6. The cold roll forming overbending mechanism for the automobile longitudinal beam as claimed in claim 1, wherein: the outer side bending roller is a conical roller, and the conical degree of the outer side bending roller is consistent with the inclination of the shaft hole of the fixed sliding block; and the generatrix of the outer bending roller is parallel to the outer side surface of the inner bending roller.
7. The cold roll forming overbending mechanism for the automobile longitudinal beam as claimed in claim 1, wherein: the outer side bending passing roller, the inner side bending passing roller and the upper press roller are all formed by alloy tool steel in a precision machining mode, and the surfaces of the outer side bending passing roller and the inner side bending passing roller are subjected to hardening treatment.
8. The cold roll forming overbending mechanism for the automobile longitudinal beam as claimed in claim 1, wherein: a centering mechanism is arranged above the upper compression roller; the centering mechanism comprises a connecting rod and a sliding seat which is arranged on the connecting rod in a sliding manner; and the guide posts are fixed on the two sides of the sliding seat; a limit bearing is movably embedded on the guide post; the bottom of the guide post is tightly pressed with the limiting bearing through a nut; the limiting bearing is attached to two ends of the upper compression roller; one end of the connecting rod is fixed with the fixed seat, and the other end of the connecting rod is movably embedded with the sliding seat; the fixed seat and the sliding seat are fixed with the upper sliding block through screws respectively; a motor for driving the gear is fixed on the rear side of the sliding seat; the gear is meshed with the rack; the rack is integrally formed with the connecting rod.
9. The cold roll forming overbending mechanism for the automobile longitudinal beam as claimed in claim 1, wherein: the synchronous mechanism is a worm gear synchronous transmission mechanism.
10. The cold roll forming overbending mechanism for the automobile longitudinal beam as claimed in claim 1, wherein: and power ends of the two inner bending rollers are in transmission connection with a servo motor reducer through adjusting screw rod pairs respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794450.XU CN213317007U (en) | 2020-08-25 | 2020-08-25 | Bending mechanism is crossed in forming of automobile longitudinal beam clod wash |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794450.XU CN213317007U (en) | 2020-08-25 | 2020-08-25 | Bending mechanism is crossed in forming of automobile longitudinal beam clod wash |
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| CN213317007U true CN213317007U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021794450.XU Active CN213317007U (en) | 2020-08-25 | 2020-08-25 | Bending mechanism is crossed in forming of automobile longitudinal beam clod wash |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160627A (en) * | 2021-12-03 | 2022-03-11 | 北京科技大学 | Roll bending forming oblique inserting roll device for complex-section thin-wall component and using method thereof |
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2020
- 2020-08-25 CN CN202021794450.XU patent/CN213317007U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160627A (en) * | 2021-12-03 | 2022-03-11 | 北京科技大学 | Roll bending forming oblique inserting roll device for complex-section thin-wall component and using method thereof |
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Address after: 250300 no.11889, Jingshi West Road, Changqing District, Jinan City, Shandong Province Patentee after: Jinan Xinzhu Youlian Machinery Technology Co.,Ltd. Address before: 250300 no.11889, Jingshi West Road, Changqing District, Jinan City, Shandong Province Patentee before: JINAN XINZHUYOULIAN PRECISION MACHINERY EQUIPMENT CO.,LTD. |