CN117564137A - Lamp pole dovetail groove forming die - Google Patents
Lamp pole dovetail groove forming die Download PDFInfo
- Publication number
- CN117564137A CN117564137A CN202410050851.0A CN202410050851A CN117564137A CN 117564137 A CN117564137 A CN 117564137A CN 202410050851 A CN202410050851 A CN 202410050851A CN 117564137 A CN117564137 A CN 117564137A
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- China
- Prior art keywords
- pressing block
- sliding blocks
- block
- supporting table
- dovetail groove
- Prior art date
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- Granted
Links
- 238000003825 pressing Methods 0.000 claims abstract description 67
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 238000010622 cold drawing Methods 0.000 description 4
- 239000004484 Briquette Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention provides a lamp post dovetail groove forming die, which belongs to the technical field of metal plate stamping dies and comprises: the upper module comprises an upper module body, wherein a pressing block is arranged in a penetrating manner, a spring is compressed on the top surface of the pressing block, outer sliding blocks are arranged on two sides, corresponding to the pressing block, of the bottom of the upper module body, the pressing block is parallel to the bottom surface of the outer sliding blocks, the outer sliding blocks are arranged in a moving manner towards the direction of the included angle between the bottom surface of the pressing block and the side surface of the pressing block, one side, facing the pressing block, of the outer sliding blocks is an upper inclined surface, and a stop block is arranged above the upper module body, corresponding to the outer sliding blocks, in a penetrating manner; the lower module comprises a lower module body, wherein the top surface of the lower module body is provided with a supporting table, the supporting table is arranged below the pressing block in parallel, the section of the supporting table is isosceles trapezoid, inner sliding blocks are arranged on inclined planes on two sides of the supporting table in a sliding mode, the top surfaces of the inner sliding blocks are parallel to the top surface of the supporting table, and are parallel to the bottom surface of the pressing block, and two side surfaces of the inner sliding blocks are respectively parallel to upper inclined planes corresponding to the upper side of the inner sliding blocks. The scheme can mold the dovetail groove at one time, can precisely control the structural size of the dovetail groove, and is convenient for demolding.
Description
Technical Field
The invention belongs to the technical field of metal plate stamping dies, and particularly relates to a lamp post dovetail groove forming die.
Background
Along with the further demand of wisdom street lamp to expanding the function, for conveniently carrying more functional equipment, for example all kinds of environment detection device, wireless route, camera etc. the cross-section of current majority street lamp pole has all made to have been as shown in figure 1 structure, and this kind of lamp pole adopts rectangular sheet material to bend to form to utilize the integrated dovetail structure of formation of sheet material at the in-process of bending, in order to connect all kinds of functional equipment conveniently. The lamp post is mainly manufactured in a cold drawing mode at present, but the cold drawing forming process is high in cost and low in efficiency due to the fact that the length of the lamp post is long, and the cold drawing process easily causes cracks or local necking of the lamp post, so that the structural strength of the lamp post is reduced and even scrapped. In addition, the existing lamp post is usually in a conical structure, the top of the lamp post with the conical structure is small in stress, and the root of the lamp post is large in stress, so that the cold drawing process can only manufacture the constant-diameter rod body.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the lamp post dovetail groove forming die which can form the dovetail groove at one time, can precisely control the structural size of the dovetail groove and is convenient for demoulding.
In order to achieve the object of the invention, the following scheme is adopted:
a lamp post dovetail groove forming die, comprising: an upper module and a lower module.
The upper module comprises an upper module body, wherein a pressing block vertically penetrates through the upper module body downwards, a cover plate is arranged at the top of the upper module body, a compression spring is arranged between the top surface of the pressing block and the cover plate, outer sliding blocks are arranged at the bottom of the upper module body and correspond to the two sides of the pressing block, the pressing block is parallel to the bottom surface of the outer sliding blocks, the outer sliding blocks move towards the direction of an included angle between the bottom surface of the pressing block and the side surface of the pressing block, one side of each outer sliding block, which faces the pressing block, is an upper inclined surface, the inclined surface faces the upper side of the pressing block, stop blocks are respectively penetrated above the outer sliding blocks, and the stop blocks move towards the two sides of the upper module body;
the lower module comprises a lower module body, wherein the top surface of the lower module body is provided with a supporting table, the supporting table is arranged below the pressing block in parallel, the section of the supporting table is isosceles trapezoid, inner sliding blocks are arranged on inclined planes on two sides of the supporting table in a sliding mode, the sliding direction is consistent with the side edge of the section of the supporting table, the top surface of the inner sliding blocks is parallel to the top surface of the supporting table and is parallel to the bottom surface of the pressing block, and two side surfaces of the inner sliding blocks are respectively parallel to upper inclined planes corresponding to the upper side of the supporting table.
The invention has the beneficial effects that: according to the scheme, the metal plate can be punched into the dovetail groove at one time, so that the forming efficiency is high; the dovetail groove is shaped in all directions by the lower module, the inner slide block, the outer slide block, the support block and the pressing plate, so that the accuracy of the structural dimension of the dovetail groove is effectively ensured; through setting up mobilizable interior slider, not only realized supporting and spacing effect to the dovetail inside, the function that can utilize its removal makes the drawing of patterns more convenient moreover.
Drawings
The drawings described herein are for illustration of selected embodiments only and not all possible implementations, and are not intended to limit the scope of the invention.
Fig. 1 shows a schematic cross-sectional view of a lamp rod.
Fig. 2 shows a schematic overall structure of a preferred embodiment of the present application.
Fig. 3 shows a cross-sectional view of a preferred embodiment of the present application.
Fig. 4 shows an end view of the present application when a sheet is placed.
Fig. 5 shows an end view of the present application when the sheet material is compressed.
Fig. 6 shows an end view of the present application when pressing rectangular grooves.
FIG. 7 illustrates an end view of the present application when pressing a dovetail slot.
Fig. 8 shows an end view of the present application at the time of demolding.
Fig. 9 shows a schematic view of a preferred construction of the inner slide.
The marks in the figure: the upper module-1, the cover plate-11, the V-shaped groove-12, the pressing block-2, the compression spring-21, the connecting plate-22, the connecting hole-23, the outer sliding block-3, the upper inclined surface-31, the stop block-4, the lower module-5, the rectangular groove-51, the guide rod-52, the supporting table-6, the sliding groove-61, the positioning hole-62, the inner sliding block-7, the supporting spring-71, the supporting block-72 and the connecting block-73.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, but the described embodiments of the present invention are some, but not all embodiments of the present invention.
As shown in fig. 2 and 3, a mold for forming a dovetail groove of a lamp post comprises an upper mold set and a lower mold set.
The upper module comprises an upper module 1, wherein a pressing block 2 is vertically and downwards penetrated and arranged at the top of the upper module 1, a cover plate 11 is arranged at the top of the upper module 1, a compression spring 21 is arranged between the top surface of the pressing block 2 and the cover plate 11, the pressing block 2 can move along the direction perpendicular to the bottom surface of the upper module 1, two sides of the bottom of the upper module 1 corresponding to the pressing block 2 are respectively provided with an outer sliding block 3, the pressing block 2 and the outer sliding block 3 are of strip structures parallel to each other, the bottom surfaces of the pressing block 2 and the outer sliding block 3 are mutually parallel, the outer sliding block 3 moves towards the direction of the bottom surface and the side surface of the pressing block 2, one side of the outer sliding block 3 faces the pressing block 2 and is an upper inclined surface 31, the inclined surface of the outer sliding block 3 faces the upper side of the pressing block 2, a stop block 4 is respectively penetrated above the outer sliding block 3, two sides of the upper module 1 move upwards, two sides of the specific moving direction can be perpendicular to the upper module 1 can also incline to two sides of the upper module 1, as long as the outer sliding block 3 can be upwards limited, the two ends of the upper module 1 can be penetrated by the stop 4, two ends of the outer sliding block 3 can be used for limiting the two ends of the outer sliding block 3, and the outer sliding block 4 can be controlled by a linear motor, a specific motor, or a hydraulic cylinder, and the cylinder can be mounted on the outer wall of the cylinder 1. When the stopper 4 contacts with the top surface of the outer slide 3 and the compression spring 21 is in a natural state, the bottom surface of the pressing block 2 is lower than the bottom surface of the outer slide 3 or is flush with the bottom surface of the outer slide 3, so that the pressing block 2 compresses the plate material earlier.
The lower module comprises a lower module 5, the top surface of the lower module is provided with a supporting table 6, the supporting table 6 is arranged below the pressing block 2 in parallel, as shown in fig. 9, the cross section of the supporting table 6 is isosceles trapezoid, the cross section of the supporting table 6 can be designed into an isosceles triangle structure similarly, the purpose of the lower module is to obtain inclined planes of two symmetrical structures, the inclined planes on two sides of the supporting table 6 are respectively provided with an inner sliding block 7 in a sliding manner, the sliding directions are consistent with the side edges of the cross section of the supporting table 6, the top surface of the inner sliding block 7 is parallel to the top surface of the supporting table 6 and is parallel to the bottom surface of the pressing block 2, the two side surfaces of the inner sliding block 7 are respectively parallel to an upper inclined plane 31 corresponding to the upper side, namely, the two side surfaces of the inner sliding block 7 are inclined towards the lower side of the outer side of the lower module 5, and an acute angle between the inner sliding block 7 and the bottom surface of the pressing block 2 is equal to an acute angle between the upper inclined plane 31 and the bottom surface of the pressing block 2.
The forming process comprises the following steps:
the plate is placed on the top surfaces of the inner slide 7 and/or the support table 6, as shown by 9, and when the inner slide 7 moves to the lowest position and the top surface of the inner slide 7 is flush with the top surface of the support table 6, the plate will be supported on the top surfaces of the inner slide 7 and the support table 6, as shown in fig. 4, and when the two inner slides 7 move to the highest position along the side surfaces of the support table 6, the top surfaces thereof will be higher than the top surfaces of the support table 6, and at this time the plate will be supported only on the top surfaces of the inner slide 7.
The plate is pressed, the stop block 4 is moved to be supported on the top surface of the outer sliding block 3, the upper module is moved downwards, and the plate is pressed on the top surfaces of the supporting table 6 and the inner sliding block 7 only by using the pressing block 2 or by using the pressing block 2 and the outer sliding block 3 as shown in fig. 5 and 9, and the top surfaces of the supporting table 6 and the inner sliding block 7 are on the same plane.
Pressing rectangular grooves, continuously downwards moving the upper module, pressing the middle section of the plate by the pressing block 2 on the supporting table 6 and the top surface of the inner sliding block 7, continuously downwards moving the upper module 1, pushing the plate on two sides of the inner sliding block 7 by the outer sliding block 3 to bend downwards, enabling the distal ends of the two sides of the plate to be in contact with the top surface of the lower module 5 first, limiting the position of the plate by the top surface of the lower module 5 until the two sides of the plate are flatly pressed on the top surface of the lower module 5 by the outer sliding block 3 as shown in fig. 6, and forming a rectangular groove structure on the outer sides of the supporting table 6 and the inner sliding block 7, below the pressing block 2 and between the two outer sliding blocks 3 by the plate; during this time the briquette 2 will remain in a fixed position and the compression spring 21 will be compressed so that the downward pressure of the briquette 2 is further increased to prevent the middle of the sheet material from arching upwards.
Pressing the dovetail groove, moving the stop block 4 to move away from the upper part of the outer slide block 3, moving the upper module downwards, and continuing to descend the upper module 1, wherein the outer slide block 3 moves towards the direction of an included angle between the bottom surface of the pressing block 2 and the side surface, namely, the outer slide block 3 moves upwards relative to the upper module 1 and simultaneously moves towards the supporting table 6, so that the side plate of the rectangular groove is pressed by the upper inclined surface 31 to be bent towards the outer side surface of the inner slide block 7, and as shown in fig. 7, the pressing process of the dovetail groove is completed when the two sides of the side plate of the rectangular groove of the plate are respectively attached to the outer side surface of the inner slide block 7 and the upper inclined surface 31; the press block 2 will remain in a fixed position during this process and the compression spring 21 will be compressed further to increase the downward pressure of the press block 2 even further to prevent the middle of the board from arching upwards and to make the floor of the dovetail more flat.
Demolding, namely moving the upper module upwards, wherein the upper module 1 moves upwards firstly, and simultaneously the outer sliding blocks 3 move towards the outer side below the upper module 1, so that the two outer sliding blocks 3 are opened towards two sides of the dovetail groove simultaneously, and when the distance between the outer sliding blocks 3 is larger than the width of a bottom plate of the dovetail groove, the dovetail groove is separated from the outer sliding blocks 3, and the pressing block 2 is finally loosened; then, the plate is lifted upwards, as shown in fig. 7 and 8, because the inner slide 7 is located inside the dovetail groove, the inner slide 7 moves upwards together with the plate, and the two inner slides 7 are synchronously folded towards the middle under the guiding action of the side plates of the dovetail groove, so that the distance between the outer edges of the top surfaces of the two inner slides 7 is reduced, and when the distance between the outer edges of the top surfaces of the two inner slides 7 is smaller than the opening size of the dovetail groove, the inner slide 7 can be separated from the dovetail groove.
Through the mode, a plurality of dovetail groove structures are formed on the same plate or a plurality of plates, the plates are bent into a preset shape, the plates are spliced to form the equal-diameter rod body or the conical rod body with circular, quadrilateral, hexagonal and other structures in section, then the spliced parts of the plates are connected in a welding mode, so that a final lamp post structure is formed, the lamp post manufactured by the process is higher in overall structural strength, and the structural dimensions of the peripheral dovetail grooves are more uniform, so that uniform connecting pieces are conveniently connected with the dovetail grooves.
Preferably, as shown in fig. 4 and 8, a supporting spring 71 is disposed between the bottom of the inner slide 7 and the lower module 5, when the supporting spring 71 is in a natural state, the inner slide 7 moves upward to the highest point, and at this time, the distance between the outer edges of the top surfaces of the two inner slides 7 is smaller than the width of the opening of the dovetail groove after molding, so that the inner slide 7 can be automatically lifted up by means of the elasticity of the supporting spring 71 in the demolding stage, so that the two inner slides 7 can be automatically folded toward the middle, and automatic demolding is realized.
It is further preferable that, as shown in fig. 2, 3, 6 and 7, rectangular grooves 51 are formed on two sides of the top surface of the lower module 5 corresponding to the supporting table 6, supporting blocks 72 are formed on the bottom of the inner slide 7 facing to the outer side of the lower module 5, as a preferable structure, a rounded corner structure is formed at the junction of the top surface of the supporting blocks 72 and the outer side surface of the inner slide 7 so as to limit the rounded corner dimension of the inner side edge of the dovetail groove opening, when the top surface of the inner slide 7 is flush with the top surface of the supporting table 6, the top surface of the supporting blocks 72 are flush with the top surface of the lower module 5 and are used for supporting plates together so as to prevent the plates from bending and deforming downwards at the rectangular grooves 51, thereby ensuring the flatness of plates outside the dovetail grooves, and the outer side surfaces of the supporting blocks 72 are attached to the side walls of the rectangular grooves 51 so as to limit the inner slide 7 by using the side walls of the rectangular grooves 51 far away from the supporting table 6, so that the supporting springs 71 cannot provide sufficient rigid support for the inner slide 7, and when the outer side surfaces of the supporting blocks 72 are attached to the side walls of the rectangular grooves 51, the inner slide 7 are at the lowest position; as a preferable structure, the supporting spring 71 is located between the bottom surface of the rectangular groove 51 and the bottom surface of the inner slide 7.
Further preferably, as shown in fig. 3, the lower module 5 is provided with a guide rod 52 in a penetrating manner along the moving direction of the inner slide 7, the upper end of the guide rod 52 is connected to the bottom of the inner slide 7 through threads, and the guide rods 52 are respectively sleeved with a supporting spring 71, so that the supporting springs 71 are prevented from being distorted.
Preferably, as shown in fig. 3, the side surface of the support stand 6 is provided with a slide groove 61 along the moving direction of the inner slide 7, the inner slide 7 is provided with a connecting block 73, the connecting block 73 is slidably disposed in the slide groove 61, and more specifically, the cross-sectional shapes of the slide groove 61 and the connecting block 73 are T-shaped or isosceles trapezoid.
Preferably, as shown in fig. 2, the two ends of the pressing block 2 are provided with connecting plates 22 in a downward extending manner, the lower sections of the connecting plates 22 are provided with connecting holes 23, the two ends of the supporting table 6 are provided with positioning holes 62, when the pressing block 2 presses the plate on the top surface of the supporting table 6, the positioning holes 62 are aligned with the connecting plates 22, and a bolt can pass through the positioning holes 62 and the corresponding connecting plates 22 at the same time, so that the pressing block 2 can be limited, the pressing block 2 is prevented from being jacked up upwards by the plate, and the flatness of the dovetail groove bottom plate is ensured.
Preferably, the width of the bottom surface of the pressing block 2 is equal to the width of the molded dovetail groove bottom plate so as to ensure the flatness of the dovetail groove bottom plate.
Preferably, as shown in fig. 3 and 4, a V-shaped groove 12 is formed on the bottom surface of the upper module 1, the pressing block 2 passes through the middle of the V-shaped groove 12, and two outer sliding blocks 3 are respectively slidably arranged on two side surfaces of the V-shaped groove 12, so that the moving direction of the outer sliding blocks 3 is limited by the side surfaces of the V-shaped groove 12; more specifically, a T-shaped groove is formed in the side surface of the V-shaped groove 12 along the moving direction of the outer slider 3, the outer slider 3 is provided with a T-shaped block, and the T-shaped block is slidably disposed in the T-shaped groove.
The foregoing description of the preferred embodiments of the invention is merely exemplary and is not intended to be exhaustive or limiting of the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (8)
1. The utility model provides a lamp pole dovetail forming die, includes module and lower module, its characterized in that:
the upper module comprises an upper module (1), wherein a pressing block (2) vertically and downwards passes through the upper module (1), a cover plate (11) is arranged at the top of the upper module (1), a compression spring (21) is arranged between the top surface of the pressing block (2) and the cover plate (11), outer sliding blocks (3) are respectively arranged at the two sides of the bottom of the upper module (1) corresponding to the pressing block (2), the pressing block (2) and the bottom surface of the outer sliding blocks (3) are mutually parallel, the outer sliding blocks (3) move towards the direction of an included angle between the bottom surface of the pressing block (2) and the side surface, one side of the outer sliding blocks (3) facing the pressing block (2) is an upper inclined surface (31), the inclination of the outer sliding blocks faces the upper side of the pressing block (2), a stop block (4) is respectively arranged on the upper side of the upper module (1) corresponding to the outer sliding blocks (3), and the stop blocks (4) move towards the two sides of the upper module (1);
the lower module comprises a lower module (5), wherein the top surface of the lower module is provided with a supporting table (6), the supporting table (6) is arranged below the pressing block (2) in parallel, the section of the supporting table (6) is isosceles trapezoid, the inclined surfaces on two sides of the supporting table (6) are provided with inner sliding blocks (7) in a sliding manner, the sliding direction is consistent with the side edges of the section of the supporting table (6), the top surface of the inner sliding blocks (7) is parallel to the top surface of the supporting table (6), the top surfaces of the inner sliding blocks are parallel to the bottom surface of the pressing block (2), and the two side surfaces of the inner sliding blocks (7) are respectively parallel to the upper inclined surfaces (31) corresponding to the upper side surfaces.
2. The lamp post dovetail groove forming die according to claim 1, wherein a supporting spring (71) is arranged between the bottom of the inner slide block (7) and the lower module (5), when the supporting spring (71) is in a natural state, the inner slide block (7) moves upwards to the highest point, and at the moment, the distance between the outer side edges of the top surfaces of the two inner slide blocks (7) is smaller than the opening width of the formed dovetail groove.
3. The lamp post dovetail groove forming die according to claim 2, wherein rectangular grooves (51) are formed in the top surface of the lower module (5) corresponding to two sides of the supporting table (6), supporting blocks (72) are arranged at the bottoms of the inner sliding blocks (7) towards the outer sides of the lower module (5), when the top surfaces of the inner sliding blocks (7) are flush with the top surfaces of the supporting tables (6), the top surfaces of the supporting blocks (72) are flush with the top surfaces of the lower module (5), and the outer side surfaces of the supporting blocks (72) are attached to the side walls of the rectangular grooves (51).
4. A lamp post dovetail groove forming die according to claim 2 or 3, characterized in that the lower die block (5) is provided with a guide rod (52) in a penetrating manner along the moving direction of the inner slide block (7), the upper end of the guide rod (52) is connected to the bottom of the inner slide block (7), and the guide rods (52) are respectively sleeved with a supporting spring (71).
5. The lamp post dovetail groove forming die according to claim 1, wherein the side surface of the supporting table (6) is provided with a sliding groove (61) along the moving direction of the inner sliding block (7), the inner sliding block (7) is provided with a connecting block (73), and the connecting block (73) is slidably arranged in the sliding groove (61).
6. The lamp post dovetail groove forming die according to claim 1, wherein connecting plates (22) are arranged at two ends of the pressing block (2) in a downward extending mode, connecting holes (23) are formed in the lower section of the connecting plates (22), positioning holes (62) are formed in two ends of the supporting table (6), and when the pressing block (2) presses the plate on the top surface of the supporting table (6), the positioning holes (62) are aligned with the connecting plates (22).
7. A lamp post dovetail groove forming die according to claim 1, wherein the width of the bottom surface of the pressing block (2) is equal to the width of the formed dovetail groove bottom plate.
8. The lamp post dovetail groove forming die according to claim 1, wherein the bottom surface of the upper module (1) is provided with a V-shaped groove (12), the pressing block (2) penetrates through the middle of the V-shaped groove (12), and the two outer sliding blocks (3) are respectively arranged on two side surfaces of the V-shaped groove (12) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410050851.0A CN117564137B (en) | 2024-01-15 | 2024-01-15 | Lamp pole dovetail groove forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410050851.0A CN117564137B (en) | 2024-01-15 | 2024-01-15 | Lamp pole dovetail groove forming die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117564137A true CN117564137A (en) | 2024-02-20 |
| CN117564137B CN117564137B (en) | 2024-04-26 |
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| CN202410050851.0A Active CN117564137B (en) | 2024-01-15 | 2024-01-15 | Lamp pole dovetail groove forming die |
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| KR102370994B1 (en) * | 2021-04-28 | 2022-03-07 | 대우공업 (주) | Deep drawing press forming apparatus and deep drawing press forming methods using the bauschinger effect and ironing method |
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| WO2023123016A1 (en) * | 2021-12-29 | 2023-07-06 | 浙江新发现机械制造有限公司 | Square rolled rim forming apparatus |
| CN116765192A (en) * | 2023-07-11 | 2023-09-19 | 湖北工程职业学院(湖北省机械工业学校、黄石高级技工学校) | Dovetail groove one-step forming and bending die and bending method |
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