CN209792318U - t-shaped profile shape correcting device - Google Patents
t-shaped profile shape correcting device Download PDFInfo
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- CN209792318U CN209792318U CN201920095736.XU CN201920095736U CN209792318U CN 209792318 U CN209792318 U CN 209792318U CN 201920095736 U CN201920095736 U CN 201920095736U CN 209792318 U CN209792318 U CN 209792318U
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Abstract
The utility model provides a T-shaped section bar correcting device, which comprises an upper plate and a lower plate, wherein the lower surface of the upper plate is fixedly connected with a sleeve, the lower part in the sleeve is provided with a driving disc capable of moving up and down along the axial direction of the sleeve, a flat spiral coil arranged in the sleeve is arranged above the driving disc, the flat spiral coil is connected with a power supply through a circuit, a stress wave amplifier is fixedly connected below the driving disc, the lower end of the stress wave amplifier is fixedly connected with a hammer head, and a pair of clamping devices driven by the driving device to clamp the T-shaped section bar to the middle part are fixed above the lower plate. Ensures that the deformation part is hit by the hammer, ensures good shape correction effect and improves the production efficiency.
Description
Technical Field
The utility model relates to a T type section bar school shape device.
Background
In recent years, with the development of lightweight manufacturing structures, aluminum alloy profiles have been increasingly used in the aerospace and automobile industries. The T-shaped section is a common one in aluminum alloy sections. In order to achieve the required hardness, the aluminum alloy shaped material is often subjected to heat treatment such as quenching. After quenching, the T-shaped section aluminum alloy has larger deformation, particularly the straightness and flatness, and can meet the assembly requirement only by carrying out shape correction treatment. In actual production, manual shape correction is adopted for the shape correction of the T-shaped section, although the requirement of indexes can be met, the labor intensity is high, the shape correction efficiency is low, and the shape correction effect is not ideal due to the influence of operation of workers. With the development of production and manufacturing mechanization and automation, the traditional manual shape correction can not meet the production efficiency requirement and the shape correction precision requirement of the T-shaped section any more. However, in order to shape the T-shaped section by using the mechanized device, the problems of how to generate the shaping force, control the magnitude and the action point of the shaping force, clamping the T-shaped section, and the like are considered, which are all practical difficulties encountered in the shaping mechanization.
Electromagnetic forming belongs to the field of high-speed forming, and is characterized by that it utilizes high-voltage energy-storing capacitor to instantaneously discharge coil to produce strong pulse magnetic field so as to make blank material be formed at high speed under the action of impact electromagnetic force. The electromagnetic forming can improve the forming limit of the material, improve the stress distribution and effectively control the rebound. The method has the advantages of high processing efficiency, short time, low cost and convenient realization of production automation. The electromagnetic forming method can be used for completing parts which can be completed by a plurality of processes by using a conventional forming method in one process, so that the production period can be effectively shortened, and the cost is reduced.
Therefore, in order to solve the technical problems, the electromagnetic shape correction method for correcting the T-shaped section by using the electromagnetic force is provided by combining the advantages of the electromagnetic shape. The electromagnetic shape correcting method is a novel shape correcting method for converting electric field energy into mechanical energy to enable the section bar to generate plastic deformation.
Disclosure of Invention
The utility model discloses improve above-mentioned problem, promptly the to-be-solved technical problem of the utility model is that traditional manual school shape can no longer satisfy the production efficiency requirement and the school shape required precision of T type section bar.
The utility model discloses a concrete implementation scheme is: the utility model provides a T type section bar school shape device, includes upper plate and hypoplastron, upper plate lower surface fixedly connected with sleeve, the lower part has the driving-disc that can reciprocate along the sleeve axial in the sleeve, the driving-disc top has the dull and stereotyped spiral coil of placing in the sleeve, dull and stereotyped spiral coil is connected with power supply through the circuit, driving-disc below fixedly connected with stress wave amplifier, stress wave amplifier lower extreme fixedly connected with tup, the hypoplastron top is fixed with a pair of clamping device who presss from both sides tight T type section bar to the middle part by the drive arrangement drive.
furthermore, the clamping device comprises convex blocks fixed on the lower plate, each convex block is internally threaded with a screw rod arranged towards the direction of the hammer head, the end part of the inner side of each screw rod is hinged with a connecting block, and the inner side end of each connecting block is fixedly connected with clamping blocks in contact with two sides of the T-shaped section.
Furthermore, the upper plate and the lower plate are fixedly connected through an upright post, an intermediate plate is further fixed in the middle of the upright post, a guide sleeve sleeved outside the stress wave amplifier is fixed in the middle of the intermediate plate, an opening for placing the guide sleeve is formed in the middle of the intermediate plate, a spring is sleeved outside the stress wave amplifier, one end of the spring acts on the guide sleeve, and the other end of the spring acts on the guide sleeve, so that the driving disc is ensured to be tightly attached to the lower edge of the flat spiral coil.
Furthermore, two ends of the power supply are connected with two ends of a primary winding of the transformer T, one end of a secondary winding of the transformer T is connected with one end of the capacitor bank C and one end of the flat spiral coil through the rectifier D and the current-limiting resistor R, the other end of the secondary winding of the transformer T is connected with the other end of the capacitor bank C, and the secondary winding of the transformer T is further connected with the other end of the flat spiral coil through the discharge control switch K.
Furthermore, a base plate is fixedly connected to the lower portion of the driving disc, and the base plate is fixedly connected with the stress wave amplifier.
Further, the outer end of the screw rod is provided with a square section.
Furthermore, the interior division of sleeve has the step face that is used for putting dull and stereotyped spiral coil, the upper plate lower surface is equipped with and is used for spacing sleeve constant head tank.
Furthermore, the screw rod has an annular groove towards the periphery of one end of the hammer head, a steel ball is arranged in the groove, the middle of the connecting block is provided with a middle groove hole for inserting the end part of the screw rod, the middle groove hole is in clearance fit with the end part of the screw rod, the upper part of the connecting block is provided with a screw longitudinally extending into the middle hole, and the lower end of the screw compresses the steel ball to realize the hinging of the screw rod and the connecting block and ensure the integral movement of the screw rod and the connecting block in the axial direction.
Compared with the prior art, the utility model discloses following beneficial effect has: the invention applies the electromagnetic forming process to the shape correction of the T-shaped aluminum alloy section, and compared with the traditional manual shape correction method, the electromagnetic shape correction method adopts a mechanical device, thereby greatly reducing the labor intensity. Because the power control system is perfect, the corresponding sizing force can be controlled only by adjusting the input voltage, and through the design of the clamping mechanism, the electromagnetic sizing device can also adjust the action point of the sizing force, so as to ensure that the electromagnetic sizing device strikes the parts with serious deformation, thereby improving the production efficiency while ensuring good sizing effect. The invention solves the problem that the force and the action point are difficult to control in the actual shape correction, can meet the shape correction requirement by locally striking the seriously deformed part, instantly finishes the shape correction process without influencing the strength and the surface quality of a workpiece, and greatly improves the production efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present invention.
Fig. 2 is a schematic diagram of the upper plate structure.
Fig. 3 is a schematic view of the sleeve structure.
Fig. 4 is a schematic view of a drive plate configuration.
Fig. 5 is a schematic view of the construction of the pad.
Fig. 6 is a schematic diagram of a stress wave amplifier configuration.
FIG. 7 is a schematic diagram of a mid-plate configuration.
Fig. 8 is a schematic view of a pillar structure.
Fig. 9 is a schematic view of the hammer head structure.
Figure 10 is a schematic view of a T-shaped profile.
Fig. 11 is a schematic view of a clamping block structure.
Fig. 12 is a schematic view of a connector block structure.
Fig. 13 is a schematic view of a screw structure.
Fig. 14 is a schematic view of a convex block structure.
Fig. 15 is a schematic view of the lower plate structure.
Fig. 16 is an enlarged view of a portion of the structure of fig. 1.
In the figure: 1-upper plate; 2-a sleeve; 3-a flat spiral coil; 4-a drive disc; 5-backing plate; 6-stress wave amplifier; 7-a spring; 8-guide sleeve; 9-a middle plate; 10-upright post; 11-a hammer head; 12-T type section bar; 13-a clamping block; 14-connecting blocks; 15-screw rod; 16-a convex block; 17-a lower plate; a C-capacitor bank; a D-rectifier; k-discharge control switch; r-current limiting resistor; t-transformer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 ~ 16, the present embodiment provides a T-shaped profile calibrating device, which is an open three-plate four-column type structure, where the three plates are an upper plate 1, an intermediate plate 9, a lower plate 17, and four columns are four vertical columns 10 fixed between the upper plate 1 and the lower plate 17, the upper plate 1, the lower plate 17, and the four vertical columns 10 are fastened and connected by bolts and nuts to form a whole, and the whole can bear the electromagnetic force generated by the flat spiral coil 3 and the reaction force thereof.
In the embodiment, a sleeve is fixedly connected to the lower surface of the upper plate, a driving disc 4 capable of moving up and down along the axial direction of the sleeve is arranged at the lower part in the sleeve, a flat spiral coil 3 placed in the sleeve is arranged above the driving disc 4, the flat spiral coil is connected with a power supply through a charging circuit, a base plate is fixedly connected below the driving disc, the base plate is fixedly connected with a stress wave amplifier, and a hammer head 11 is fixedly connected to the lower end of the stress wave amplifier;
In this embodiment, the sleeve 2 is internally provided with a step, the flat spiral coil 3 is installed in the sleeve 2, the lower surface of the flat spiral coil 3 abuts against the step surface of the sleeve 2, and the upper surface of the flat spiral coil 3 abuts against the lower surface of the upper plate 1, so that the flat spiral coil 3 is fixed. As shown in fig. 2, the positioning of the sleeve 2 when connecting with the upper plate 1 is performed by providing a positioning groove slightly larger than the outer diameter of the sleeve 2 on the lower surface of the upper plate 1.
The lower part in the sleeve 2 is provided with a driving disk 4, the driving disk 4 is fastened and connected with the backing plate 5 through a threaded hole and a bolt, and the backing plate 5 and the stress wave amplifier 6 are fastened and connected through a threaded hole formed in the stress wave amplifier 6. The stress wave amplifier 6 and the hammer head 11 are fastened and connected through a rod piece with external threads arranged at the upper end part of the hammer head 11 and the internal threads arranged at the lower end of the stress wave amplifier 6, so that the driving disc 4, the backing plate 5, the stress wave amplifier 6 and the hammer head 11 are fastened and connected, and the whole hammer head can move downwards under electromagnetic force during discharging.
The driving disc 4, the backing plate 5, the stress wave amplifier 6 and the hammer 11 are fixedly connected, and other methods can be used for fixedly connecting in addition to the fixing method described in the embodiment.
In order to fix the T-shaped section bar on the lower plate, a clamping mechanism is arranged on the lower plate and comprises a clamping block 13, a connecting block 14, a screw rod 15, a convex block 16 and the like, the clamp comprises a pair of convex blocks fixedly connected to the upper surface of the lower plate, the inner side of each convex block is in threaded connection with the screw rod arranged towards the direction of the hammer head, the screw rod is in threaded fit with the convex blocks, the end part of the inner side of each screw rod is hinged with the connecting block, and the end part of the inner side of the connecting block is fixedly connected with the clamping block.
In this embodiment, two convex blocks 16 are fixed on the lower plate 17 by a bolt through a threaded through hole formed in the lower plate 17, a T-shaped internal thread is formed in a middle hole of each convex block 16 and matched with the screw rod 15, the outer side part of the screw rod 15 is a cylinder with a square cross section, so that the screw rod 15 can be adjusted by using a wrench conveniently, an annular groove is formed in the tail part of the screw rod 15, steel balls are placed in the annular groove, the steel balls are pressed by screws to connect the screw rod 15 with the connecting block 14, and the integral motion of the connecting block 14 and the screw rod.
The steel ball mode is similar to the mode of hinging through a bearing, so that the screw rod 15 can not drive the whole motion of the connecting block 14 and the clamping block 13 in the rotating process and can not move transversely, and the end part of the inner side of the screw rod 15 can push the connecting block 14 to move and drive the clamping block 13 to move towards the T-shaped steel to be calibrated so as to realize clamping.
The middle hole of the connecting block 14 is in clearance fit with the tail part of the screw 15 and can rotate in the middle hole of the connecting block 14. The connecting block 14 and the clamping block 13 are tightly connected through bolts, so that the clamping block 13, the connecting block 14 and the screw rod 15 are connected, the clamping block 13 and the connecting block 14 are integrally moved by screwing the screw rod 15 relative to the convex block 16, the position of the clamping block 13 on the lower plate 17 can be adjusted, the action point of the shape correcting force can be controlled, and the T-shaped section 12 can be loosened and clamped.
In this embodiment, the upper plate and the lower plate are fixedly connected by an upright, the middle of the upright is further fixed with a middle plate, the middle of the middle plate is fixed with a guide sleeve sleeved outside the stress wave amplifier, the middle of the middle plate 9 is provided with a hole for placing the guide sleeve 8, the guide sleeve 8 is a standard part, and the guide sleeve 8 guides the stress wave amplifier 6 in a descending process during discharging. The stress wave amplifier is externally sleeved with a spring 7, one end of the spring acts on the guide sleeve, the other end of the spring acts on the guide sleeve, and the spring 7 is used for propping against the stress wave amplifier 6 when the stress wave amplifier is not discharged, so that the driving disk 4 is stuck to the flat spiral coil 3, and the electromagnetic force loading effect is favorably improved.
The working process is carried out according to the following steps:
(1) Installing a flat spiral coil 3 and a hammer head 11: firstly, a flat spiral coil 3 generating electromagnetic repulsive force is placed on a step surface in a sleeve 2, a positive stage and a negative stage of the flat spiral coil are connected with a discharge control switch K in series through a capacitor bank C, the capacitor bank C is connected with a power supply in parallel, the power supply is boosted through a transformer T and then charges the capacitor bank C through a rectifier D and a current-limiting resistor R, the sleeve 2 is fixedly connected with an upper plate 1 through bolts and nuts, a driving disc 4 is fixedly connected with a base plate 5 and a stress wave amplifier 6 through bolts, and then the upper end of a hammer 11 is screwed into an inner hole at the end part of the stress wave amplifier 6 and is screwed;
(2) Clamping the T-shaped section 12: the clamping blocks 13 are tightly connected with the connecting block 14 through bolts, a steel ball is placed in an annular groove at the tail of the screw rod 15, the steel ball is pressed through a screw on the pressing connecting block 14 to realize the hinging of the connecting block 14 and the screw rod 15, the T-shaped section 12 is horizontally placed between the two clamping blocks 13 through the connecting block 14 and the screw rod 15, the screw rod 15 is screwed to enable the two clamping blocks 13 to move to a preset shape correcting position, and then the screw rod 15 is screwed to realize the clamping of the T-shaped section 12;
(3) Discharging and correcting shape: after being boosted by a transformer T, a power supply flows through a rectifier D and a current-limiting resistor R to charge a capacitor bank C, after the charging is finished, a charging loop is disconnected, then a discharge control switch K is closed, the capacitor bank C discharges to a flat spiral coil 3, generated impact large current flows through the flat spiral coil 3, a transient strong magnetic field is generated in the flat spiral coil 3, induced eddy current is generated on a driving disc 4, an eddy current magnetic field opposite to the rotation direction of the transient strong magnetic field is further generated, magnetic forces generated by the two magnetic fields are mutually exclusive, the driving disc 4 is pushed to move downwards, the driving disc 4, a backing plate 5 and a stress wave amplifier 6 are connected through bolts, the stress wave amplifier 6 is connected with a hammer 11 striking a T-shaped section 12 through threads, and the hammer 11 is driven to strike the T-shaped section 12 by force, so that the shape correction effect is achieved. The whole process is completed instantaneously. And then screwing the screw rod 15 to loosen the two clamping blocks 13, feeding the T-shaped section 12 to a preset next striking position, continuing to clamp to perform next discharge shape correction, and striking the part with serious deformation in a key manner until the T-shaped section 12 reaches the integral shape correction requirement.
(4) Taking out the T-shaped section bar 12: and screwing the screw rod 15 to loosen the two clamping blocks 13, and taking out the T-shaped section bar 12 along the length direction of the T-shaped section bar to obtain the corrected T-shaped section bar 12.
In conclusion, the method and the device for correcting the shape of the T-shaped section provided by the invention have the advantages that the size and the acting point of the shape correcting force are controllable in the actual shape correcting process, the actual problems existing in mechanical and manual shape correcting are solved, meanwhile, the whole shape correcting process is completed instantly due to the high electromagnetic force loading speed, the hitting time is shortened, the shape correcting efficiency is improved, the shape correcting device adopts a three-plate four-column open type structure, the clamping effect of a clamping mechanism is good, the bearing is stable, the operation space is large, and the use in actual production is facilitated.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (8)
1. the utility model provides a T type section bar school shape device, its characterized in that, includes upper plate and hypoplastron, upper plate lower surface fixedly connected with sleeve, the lower part has the driving-disc that can reciprocate along the sleeve axial in the sleeve, the driving-disc top has the dull and stereotyped spiral coil of placing in the sleeve, dull and stereotyped spiral coil is connected with power supply through the circuit, driving-disc below fixedly connected with stress wave amplifier, stress wave amplifier lower extreme fixedly connected with tup, hypoplastron top is fixed with a pair of clamping device who presss from both sides tight T type section bar to the middle part by the drive arrangement drive.
2. The T-shaped profile reshaping device as claimed in claim 1, wherein the clamping device comprises convex blocks fixed on the lower plate, each convex block is internally threaded with a screw rod arranged towards the direction of the hammer head, the inner end of each screw rod is hinged with a connecting block, and the inner end of each connecting block is fixedly connected with clamping blocks in contact with two sides of the T-shaped profile.
3. The T-shaped profile reshaping device as claimed in claim 1 or 2, wherein the upper plate and the lower plate are fixedly connected through a column, a middle plate is further fixed in the middle of the column, a guide sleeve sleeved outside the stress wave amplifier is fixed in the middle of the middle plate, an opening for placing the guide sleeve is formed in the middle of the middle plate, a spring is sleeved outside the stress wave amplifier, one end of the spring acts on the guide sleeve, and the other end of the spring acts on the guide sleeve, so that the driving plate is tightly attached to the lower edge of the flat spiral coil.
4. The shape correction device for the T-shaped section bar according to claim 1 or 2, wherein two ends of the power supply are connected with two ends of a primary winding of a transformer T, one end of a secondary winding of the transformer T is connected with one end of a capacitor bank C and one end of a flat spiral coil through a rectifier D and a current limiting resistor R, the other end of the secondary winding of the transformer T is connected with the other end of the capacitor bank C, and the secondary winding of the transformer T is further connected with the other end of the flat spiral coil through a discharge control switch K.
5. A T-profile sizing device according to claim 1 or 2, wherein a shim plate is fixedly connected below the drive plate, said shim plate being fixedly connected to the stress wave amplifier.
6. A T-section sizing device according to claim 2, wherein the outer end of the screw has a square cross-section.
7. The T-shaped profile reshaping device according to claim 1, wherein a step surface for placing a flat spiral coil is formed in the sleeve, and a positioning groove for limiting the sleeve is formed in the lower surface of the upper plate.
8. The T-shaped profile shape correction device as claimed in claim 2, wherein an annular groove is formed in the outer periphery of one end of the screw, facing the hammer head, a steel ball is arranged in the annular groove, a middle groove hole is formed in the middle of the connecting block, the end of the screw is inserted into the middle groove hole, the middle groove hole is in clearance fit with the end of the screw, a screw longitudinally extending into the middle hole is arranged at the upper part of the connecting block, the lower end of the screw presses the steel ball to realize the hinging between the screw and the connecting block and ensure that the screw and the connecting block move integrally in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920095736.XU CN209792318U (en) | 2019-01-21 | 2019-01-21 | t-shaped profile shape correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920095736.XU CN209792318U (en) | 2019-01-21 | 2019-01-21 | t-shaped profile shape correcting device |
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| Publication Number | Publication Date |
|---|---|
| CN209792318U true CN209792318U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920095736.XU Expired - Fee Related CN209792318U (en) | 2019-01-21 | 2019-01-21 | t-shaped profile shape correcting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663837A (en) * | 2019-01-21 | 2019-04-23 | 福州大学 | A kind of T-type profile corrector and its school type method |
| CN111451380A (en) * | 2020-04-08 | 2020-07-28 | 上海交通大学 | High-temperature alloy double-ring multi-support-plate thin-wall casting accurate thermal shape correcting die and method |
| CN112338002A (en) * | 2020-10-16 | 2021-02-09 | 中国航发北京航空材料研究院 | Local shape correction method for titanium alloy component |
-
2019
- 2019-01-21 CN CN201920095736.XU patent/CN209792318U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663837A (en) * | 2019-01-21 | 2019-04-23 | 福州大学 | A kind of T-type profile corrector and its school type method |
| CN111451380A (en) * | 2020-04-08 | 2020-07-28 | 上海交通大学 | High-temperature alloy double-ring multi-support-plate thin-wall casting accurate thermal shape correcting die and method |
| CN111451380B (en) * | 2020-04-08 | 2021-05-14 | 上海交通大学 | High-temperature alloy double-ring multi-support-plate thin-wall casting accurate thermal shape correcting die and method |
| CN112338002A (en) * | 2020-10-16 | 2021-02-09 | 中国航发北京航空材料研究院 | Local shape correction method for titanium alloy component |
| CN112338002B (en) * | 2020-10-16 | 2022-05-17 | 中国航发北京航空材料研究院 | Local shape correction method for titanium alloy component |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20191217 Termination date: 20220121 |