CN215467406U - Aviation sheet spare tailors frock - Google Patents

Aviation sheet spare tailors frock Download PDF

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Publication number
CN215467406U
CN215467406U CN202121683397.0U CN202121683397U CN215467406U CN 215467406 U CN215467406 U CN 215467406U CN 202121683397 U CN202121683397 U CN 202121683397U CN 215467406 U CN215467406 U CN 215467406U
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China
Prior art keywords
mould
support frame
rack
work piece
lower mould
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CN202121683397.0U
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Chinese (zh)
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王国庆
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Shanghai Tairuimin Aviation Technology Co ltd
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Shanghai Tairuimin Aviation Technology Co ltd
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Abstract

The utility model discloses an aviation thin plate cutting tool, which aims at the problem that an aviation thin plate hanger auxiliary material punching die is dangerous when in use and provides the following technical scheme. Go up the mould through the drive assembly interlock and set up in the support frame of lower mould, still be provided with the clamping component who is used for supporting the pressure work piece on the support frame simultaneously, go up the mould and remove when making the shearing and drive clamping component and remove, support the work piece to the stopper, prevent that the worker from taking place danger because of error hand gets into between mould and the lower mould, and only need place the work piece in the support frame when just shearing, simple high-efficient.

Description

Aviation sheet spare tailors frock
Technical Field
The utility model relates to an auxiliary assembly of a punching machine, in particular to an aviation sheet cutting tool.
Background
The airplane sheet metal manufacturing technology is an important component of aerospace manufacturing engineering and is one of important manufacturing technologies for realizing structural characteristics of airplanes. The shell of a modern airplane is mainly a sheet metal riveting structure, and statistics shows that sheet metal parts account for about 50% of the number of airplane parts, sheet metal process equipment accounts for 65% of the total-airplane manufacturing process equipment, and the manufacturing workload accounts for 20% of the total-airplane workload.
Most of these sheet metal parts are sheet metal parts, and an anodic oxidation process is usually performed in the production process to improve the corrosion resistance and wear resistance of the parts. The parts need to be hung on the anode in the electrifying process of anodic oxidation, and 4 hanging holes need to be added on the edge of the original specification of the parts because the parts do not have the hanging holes in the production process. Because the required fineness of aviation sheet metal parts is higher, when a suspension hole is removed subsequently, the straightness of a straight line edge needs to be ensured within 0.1mm, and the processing difficulty is higher.
At present, the chinese patent that the publication number is CN210208263U discloses a die-cut mould of sheet metal component hanger auxiliary material, it includes mould and lower mould, it all is equipped with towards the incision to go up mould and lower mould, lower mould dashes the incision and is a flat edge, goes up the mould and dashes the incision and be a level and smooth edge in the notch, goes up the mould and dashes the incision and the die-cut incision counterpunching of lower mould and cuts off the hanger auxiliary material of sheet metal component, the lower mould is equipped with the striker block in lower mould dashes incision both sides, the sheet metal component main part supports the striker block during die-cut.
Although this kind of die-cut mould of sheet metal component hanger auxiliary material can cut high-efficiently, nevertheless need operating personnel to promote the sheet metal component with the hand and make it support and keep off the material piece and press fixed sheet metal component through the hand during shearing, it is dangerous when shearing. When the mental state is poor due to high-intensity operation of an operator, fingers are easily to be too close to the punching opening, so that danger is generated. Therefore, the auxiliary material punching die for the sheet metal part hanger has certain improved space in the aspect of safety.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an aviation sheet part cutting tool which has the advantages of automatically clamping a workpiece for cutting, safety and high efficiency.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an aviation sheet spare tailors frock, includes the lower mould and is close to the last mould that the lower mould removed, goes up mould and lower mould and sets up the last edge of a knife and the lower edge of a knife of interact shearing work piece respectively, and the lower mould sets up the stopper that flushes with the edge of a knife, and lower mould sliding connection places the support frame of work piece, and the support frame sets up the clamping component who is used for supporting to press fixed work piece, and the support frame passes through drive assembly and goes up the mould connection and is driven by last mould and be on a parallel with the work piece and remove.
By adopting the technical scheme, the transmission assembly is used for linking the upper die and the support frame arranged on the lower die, and meanwhile, the support frame is also provided with the clamping assembly used for abutting against the workpiece, so that the upper die moves to drive the clamping assembly to move during shearing, the workpiece is abutted against the limiting block to realize automatic fixing of the workpiece to a shearing position, an operator is not required to fix the workpiece through manpower, and the danger caused by the fact that hands of a manufacturer enter between the upper die and the lower die due to error is prevented; meanwhile, the shearing precision can be prevented from being influenced by hand shaking of an operator, and the workpiece is only required to be placed on the supporting frame during shearing, so that the equipment is started, and the shearing machine is simple and efficient.
Further, the clamping assembly comprises a clamping plate for abutting against a workpiece, the clamping plate is fixedly connected with a screw rod, and the screw rod is sleeved with a first spring and is fixed on the mounting seat through a butterfly nut.
By adopting the technical scheme, after the workpiece reaches the limiting block, the supporting frame can compress the first spring through the mounting seat to continue moving, so that the upper die can continue moving; through rotating butterfly nut, can adjust the distance between splint and the stopper, agree with the work piece of various sizes, prevent to cut because of the too big or undersize of width.
Further, the transmission assembly comprises a first rack fixedly connected with the upper die along the moving direction of the upper die, the lower die is rotatably connected with a first gear meshed with the first rack, the first gear is coaxially and fixedly connected with a second gear, and the second gear is meshed with a second rack fixedly connected with the support frame.
By adopting the technical scheme, the upper die moves to drive the first rack to move, the first rack is meshed to drive the first gear to rotate, the second gear which is coaxially connected with the first gear is driven by the first gear to coaxially rotate, and the second rack is driven to move as the second gear is meshed with the second rack, so that the support frame is finally driven to move, and a workpiece is fixed.
Further, the second rack is provided with a second guide block, and the lower die is provided with a second guide groove for the second guide block to move.
By adopting the technical scheme, the support frame can be moved more stably and fixed, the stability of the support frame during shearing is ensured, and the shearing precision is higher.
Further, go up the first guide block of mould fixedly connected with, the lower mould sets up the first guide way that supplies first guide block to remove, the lower mould sets up the spout that supplies first rack to remove.
By adopting the technical scheme, the upper die is more stable in moving, and the shearing precision is improved.
Further, the second guide groove is provided with a second spring for contacting the first guide block and exerting a cushioning effect on the first guide block.
Adopt above-mentioned technical scheme, the second spring exerts cushioning effect to first guide block, and is more steady when making last mould contact work piece, prevents to damage the work piece because of too big stress.
Further, the lower die is provided with a cavity for the upper die to enter.
By adopting the technical scheme, the sheared auxiliary materials can fall into the cavity, so that operators can collect and recycle the sheared auxiliary materials conveniently after shearing.
Further, the cavity is provided with a discharge hole which penetrates through the lower die wall and is used for taking out the sheared auxiliary materials.
Adopt above-mentioned technical scheme, make things convenient for operating personnel to directly take out the auxiliary material from the discharge gate, and need not to take out from the cavity mouth, also can put into the container from the discharge gate, collect the auxiliary material more high-efficiently.
In conclusion, the utility model has the following beneficial effects:
1. when in use, the operation is simple, the workpiece does not need to be manually fixed, and the safety is high;
2. the structure is simple, and the operation process is stable;
3. can collect and cut supplementary product in the field, and the collection mode is simple high-efficient.
Drawings
FIG. 1 is a perspective view of an aerospace sheet member cutting tool according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a perspective view of the drive assembly of the present invention;
FIG. 4 is a schematic view of an aviation sheet cutting tool according to the present invention at the beginning of operation;
FIG. 5 is a schematic diagram of an aviation sheet cutting tool after the aviation sheet cutting tool is finished;
in the figure: 1. an upper die; 11. an upper knife edge; 13. a first guide block; 14. a first guide groove; 141. a second spring; 2. a lower die; 21. a lower knife edge; 22. a limiting block; 23. a cavity; 24. a chute; 25. a discharge port; 3. a clamping assembly; 31. a mounting seat; 32. a splint; 33. a screw; 34. a butterfly nut; 35. a first spring; 4. a transmission assembly; 41. a first rack; 42; a second rack; 43. a first gear; 44. a second gear; 45. a second guide block; 451. a second guide groove; 5. a support frame; 6. and (5) a workpiece.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Referring to fig. 1, the aviation sheet cutting tool comprises a lower die 2 and an upper die 1 moving close to the lower die 2, wherein an upper knife edge 11 is arranged at the bottom of the upper die 1, a lower knife edge 21 is arranged at the top of the lower die 2, and the upper knife edge 11 moves close to the lower knife edge 21 to cut a workpiece 6. The lower die 2 is provided with a limiting block 22 which is flush with a knife edge, the lower die 2 is connected with a support frame 5 for placing a workpiece 6 in a sliding mode, the support frame 5 is provided with a clamping component 3 for abutting against the workpiece 6, and the support frame 5 is connected with the upper die 1 through a transmission component 4 and is driven by the upper die 1 to move parallel to the workpiece 6.
Specifically, referring to fig. 1 and 2, the supporting frame 5 is U-shaped and is formed by three plates; the clamping component 3 comprises a cubic mounting seat 31 fixedly mounted on the support frame 5 along the direction parallel to the knife edge, and the length of the mounting seat 31 is consistent with that of the support seat. The supporting frame 5 is provided with a clamping plate 32 which has the same length as the mounting seat 31 and is parallel to the mounting seat 31, the clamping plate 32 is fixedly connected with three screws 33, one end of each screw 33 which penetrates through the mounting seat 31 is provided with a butterfly nut 34, the screw 33 between the clamping plate 32 and the mounting seat 31 is sleeved with a first spring 35, and the clamping plate 32 can compress the first spring 35 to move relatively close to the mounting seat 31. By rotating the wing nuts 34, the distance between the clamping plate 32 and the limiting block 22 can be adjusted according to the width of the workpiece 6, so that the workpiece 6 with different specifications can be adapted conveniently.
Referring to fig. 1 and 3, the lower die 2 is a cube block with a cavity 23 in the middle, the cavity 23 is used for allowing the upper die 1 to enter and move continuously, the workpiece 6 is conveniently cut, the lower knife edge 21 is located at the top end of the cavity wall of the cavity 23, the left side and the right side of the lower die 2 are respectively fixedly connected with a cube limiting block 22, one side, close to the limiting block 22 and the clamping plate 32, of the limiting block 22 is flush with the knife edge, the clamping plate 32 presses the workpiece 6 during cutting, the other end of the workpiece supports against the limiting block 22, and therefore the part to be cut can be located on the knife edge. Discharge ports 25 penetrating through the die wall of the lower die 2 are formed in the front and rear of the lower portion of the cavity 23, so that a container for receiving and taking auxiliary materials of the sheared workpiece 6 can be placed at the bottom of the cavity 23 through the discharge ports 25 during use, and the auxiliary materials of the sheared workpiece 6 stacked at the bottom of the cavity 23 can be directly taken out from the discharge ports 25.
Referring to fig. 1, a groove is formed in the bottom of an upper die 1, an upper knife edge 11 is arranged at the bottom of the groove, first guide blocks 13 in the vertical direction are arranged on the left side and the right side of the upper die 1, and first guide grooves 14 for the first guide blocks 13 to move in the vertical direction are arranged on the cavity walls on the left side and the right side of a cavity 23 of a lower die 2.
Referring to fig. 1 and 3, the transmission assemblies 4 have two same sets and are respectively installed on the left side and the right side of the tooling, each transmission assembly 4 includes a first rack 41 fixedly connected to the side surface of the upper die 1 along the vertical direction, teeth on the first rack 41 are arranged on one side far away from the clamping plate 32, and the sliding groove 24 for the first rack 41 to move is arranged on the rear side of the lower die 2 along the vertical direction. The support frame 5 is fixedly connected with a second rack 42 extending along the moving direction of the support frame 5, the teeth of the second rack 42 are arranged on the upper portion of the rack, one side of the second rack 42 close to the lower die 2 is fixedly connected with a second guide block 45, and a second guide groove 451 for the movement of the second guide block 45 is formed in the corresponding position of the lower die 2. The upper portion of the rear side of the lower mold 2 is rotatably provided with a first gear 43 and a second gear 44 which are coaxially connected, the first gear 43 is engaged with the first rack 41, and the second gear 44 is engaged with the second rack 42.
The working process and principle of the embodiment are as follows:
referring to fig. 4 and 5, in this embodiment, when the hanging hole auxiliary material of the thin plate workpiece 6 is cut, the workpiece 6 is placed on the support frame 5, the hanging hole auxiliary material is aligned with the knife edge, a downward force is applied to the upper die 1, the upper die 1 moves downward and the first rack 41 moves downward, the first gear 43 is driven to rotate by meshing, the second gear 44 coaxially connected with the first gear 43 is driven to rotate coaxially by the first gear 43, and the second rack 42 is driven to move to the rear side by the second gear 44 meshing with the second rack 42, so that the support frame 5 is finally driven to move backward in the horizontal direction. The clamping plate 32 continuously pushes the workpiece 6 to move, and after the workpiece 6 contacts the limiting block 22, the mounting seat 31 starts to compress the spring to enable the supporting frame 5 to continuously move so as to ensure that the upper die 1 continuously moves downwards to cut the workpiece 6. The sheared auxiliary materials fall into the cavity 23 to be collected. After the shearing is finished, the upper die 1 moves upwards, and the clamping assembly 3 and the supporting frame 5 return to the original positions under the action of the transmission assembly 4.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (8)

1. The utility model provides an aviation sheet spare tailors frock, includes lower mould (2) and last mould (1) that is close to lower mould (2) and removes, it sets up last edge of a knife (11) and lower edge of a knife (21) of interact shearing work piece (6) respectively to go up mould (1) and lower mould (2), its characterized in that: lower mould (2) set up stopper (22) that flushes with the edge of a knife, lower mould (2) sliding connection places support frame (5) of work piece (6), support frame (5) set up and are used for pressing clamping component (3) of fixed work piece (6), support frame (5) are connected and are on a parallel with work piece (6) removal by last mould (1) drive through transmission assembly (4) and last mould (1).
2. The aerospace sheet member trimming tool of claim 1, wherein: the clamping assembly (3) comprises a clamping plate (32) used for abutting against a workpiece (6), the clamping plate (32) is fixedly connected with a screw rod (33), and the screw rod (33) is sleeved with a first spring (35) and is fixed on the mounting seat (31) through a butterfly nut (34).
3. The aerospace sheet member trimming tool of claim 1, wherein: drive assembly (4) include along last mould (1) moving direction and last mould (1) fixed connection's first rack (41), lower mould (2) rotate connect with first rack (41) meshing first gear (43), the coaxial fixed connection second gear (44) of first gear (43), second gear (44) meshing and support frame (5) fixed connection's second rack (42).
4. The aerospace sheet member trimming tool of claim 3, wherein: the second rack (42) is provided with a second guide block (45), and the lower die (2) is provided with a second guide groove (451) for the first guide block (13) to move.
5. The aerospace sheet member trimming tool of claim 1, wherein: go up first guide block (13) of mould (1) fixedly connected with, lower mould (2) set up first guide way (14) that supply first guide block (13) to remove, lower mould (2) set up spout (24) that supply first rack (41) to remove.
6. The aerospace sheet member trimming tool of claim 5, wherein: the first guide groove (14) is provided with a second spring (141) for contacting the first guide block (13) and exerting a cushioning effect on the first guide block (13).
7. The aerospace sheet member trimming tool of claim 1, wherein: the lower die (2) is provided with a cavity (23) for the upper die (1) to enter.
8. The aerospace sheet member trimming tool of claim 7, wherein: the cavity (23) is provided with a discharge hole (25) which penetrates through the die wall of the lower die (2) and is used for taking out the sheared auxiliary materials.
CN202121683397.0U 2021-07-23 2021-07-23 Aviation sheet spare tailors frock Active CN215467406U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121683397.0U CN215467406U (en) 2021-07-23 2021-07-23 Aviation sheet spare tailors frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121683397.0U CN215467406U (en) 2021-07-23 2021-07-23 Aviation sheet spare tailors frock

Publications (1)

Publication Number Publication Date
CN215467406U true CN215467406U (en) 2022-01-11

Family

ID=79751264

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121683397.0U Active CN215467406U (en) 2021-07-23 2021-07-23 Aviation sheet spare tailors frock

Country Status (1)

Country Link
CN (1) CN215467406U (en)

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