CN212371223U

CN212371223U - Many positioning and clamping device of slice class aviation part

Info

Publication number: CN212371223U
Application number: CN202020801329.9U
Authority: CN
Inventors: 郭艺林; 刘春德
Original assignee: Shenyang Xinbaolu Aviation Technology Co ltd
Current assignee: Shenyang Xinbaolu Aviation Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-01-19
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a positioning and clamping device for multiple sheets of aviation parts, which belongs to the technical field of aviation part processing and comprises a base plate, a first clamping mechanism and a second clamping mechanism, wherein the first clamping mechanism and the second clamping mechanism are respectively and correspondingly arranged on two half sides of the base plate; the first clamping mechanism comprises four vertically arranged screw rods and a first pressing plate which is sleeved on the four screw rods together, a first nut is sleeved on each screw rod in a matching mode, and an upper die hole equal to the target aperture is formed in the position, corresponding to the hole to be formed in the part to be machined, of the first pressing plate; the second clamping mechanism comprises a vertically arranged positioning rod and a second pressing plate sleeved on the positioning rod, a second nut located on the second pressing plate is sleeved on the upper end portion of the positioning rod in a fitting mode, and the outer contour of the second pressing plate is consistent with the target outer contour of the part to be machined. The utility model discloses can realize many positioning clamping function for the location is accurate, and it is tight firm to press from both sides, has ensured the machining precision, makes processing defect reduce, the precision improves, stable in quality, the rejection rate is lower.

Description

Many positioning and clamping device of slice class aviation part

Technical Field

The utility model relates to an aviation parts machining technical field, specificly relate to a many positioning and clamping device of thin slice class aviation part.

Background

Aviation parts are important components of aviation equipment and are related to aviation safety. China has no processing method with clear requirements for processing ear parts for aviation and aerospace. The traditional processing method is wire cutting processing, the processing method is low in production efficiency, and processed products are high in surface defects, microcracks exist on the cutting surface layer, the precision is low, the quality is unstable, and waste products are easy to generate.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a many positioning and clamping device of thin slice class aviation part, it can realize many positioning and clamping function for the location is accurate, and it is tight to press from both sides, has ensured the requirement of processing, and sets up to processing operation through the clamp plate very much and provides the standard, has ensured the machining precision, makes processing defect reduce, the precision improves, stable in quality, the rejection rate is lower, and then improves the production efficiency of product, stabilizes product quality's technological effect.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a multi-piece positioning and clamping device for sheet type aviation parts comprises a base plate, a first processing area and a second processing area, wherein the first processing area and the second processing area are respectively and correspondingly arranged on two half sides of the base plate;

the first clamping mechanism comprises four screw rods vertically fixed at four corners of a first machining area one by one and a first pressing plate sleeved on the four screw rods together, a first nut positioned on the first pressing plate is sleeved on each screw rod in a matching mode, the first pressing plate and a base plate are matched and used for clamping a part to be machined, a limiting baffle plate used for limiting the periphery of the part to be machined is fixed on the base plate and positioned on the outer side of the corresponding side of the first pressing plate, an upper die hole equal to a target aperture is formed in the position, corresponding to a hole to be machined, of the part to be machined on the first pressing plate, the upper die hole penetrates through the upper end face and the lower end face of the first pressing plate, and lower die holes which are in one-to-one correspondence with and aligned with the upper die holes are formed in the;

the second clamping mechanism comprises at least one vertical positioning rod fixed on the base plate and a second pressing plate sleeved on the positioning rod, the diameter of the positioning rod is not larger than the target diameter of a hole formed in the part to be machined, the upper end surface of the positioning rod is provided with threads, the upper end adaptive sleeve of the positioning rod is provided with a second nut located on the second pressing plate, the second pressing plate is matched with the base plate and used for clamping the part to be machined, the outer contour of the second pressing plate is consistent with the target outer contour of the part to be machined, and a through hole for the positioning rod to pass through is formed in the position, corresponding to the part to be machined, of the hole.

Furthermore, a first bottom plate which is sleeved on the four screw rods together is arranged below the first pressure plate, a third nut which is positioned on the first pressure plate is sleeved on each screw rod in an adaptive mode, the limiting baffle is fixed on the first bottom plate, and the lower die hole is formed in the first bottom plate. Set up first bottom plate and be used for bearing limit baffle and lower mould hole, first bottom plate suit is on the screw rod and compresses tightly with the third nut and realize the installation, and first clamp plate and first bottom plate homoenergetic are comparatively convenient dismantles from the bed plate to can realize the change of first clamp plate and first bottom plate, make the bed plate can cooperate the first clamp plate of multiunit and first bottom plate to use, this device can be applicable to promptly and carry out the centre gripping with the assistance-machining to the part of different specifications and processing requirement.

Furthermore, the upper part of the base plate is provided with a lower groove communicated with all the lower die holes in the first processing area. During drilling processing, the drill bit passes upper die hole, processing part and lower die hole in proper order, sets up the cavity that the lower recess can form at the lower extreme of lower die hole, can avoid the drill bit to act on the bed plate to a certain extent, and simultaneously, the lower recess is convenient for collect iron fillings and the coolant liquid in the course of working.

Furthermore, four corners of the first pressing plate are respectively connected with a connecting plate, and the connecting plates are sleeved on the screw rods on the corresponding sides. The connecting plate is used for realizing cup jointing with the screw rod, and the design requirement of first clamp plate can be reduced, later with the connecting plate with first clamp plate link together can.

Furthermore, the lower tip and the bed plate threaded connection of locating lever, the bed plate has seted up a plurality of spiro union holes with the lower tip screw thread adaptation of locating lever in the second processing district. The locating lever and bed plate spiro union can realize the dismouting of locating lever easily, and install the locating lever and can satisfy the centre gripping demand of the part of different drilling positions in the spiro union hole of difference.

3. Advantageous effects

(1) The utility model discloses be equipped with limit baffle in the first processing district of bed plate, the screw rod, first clamp plate and screw thread adaptation suit are at the first nut on the screw rod, be equipped with the locating lever in the second processing district, second clamp plate and second nut, during drilling, will treat the spare overlapping together and neat the piling up on first bottom plate of processing earlier many, the attached formula of limit baffle blocks in the week side of treating the processing part, then will satisfy the first clamp plate suit of part target drilling position on the screw rod, and press on the connecting plate through screwing first nut, it sticiss on many treating the processing part to drive first clamp plate, the realization is to treating the clamp tightly of processing part many, later alright carry out drilling processing to many processing parts simultaneously. Appearance adds man-hour, treats the hole suit that the processing part was come out through self processing with many through drilling processing on the locating lever, then with second clamp plate suit on the locating lever to press on the second clamp plate through the second nut of screwing, drive the second clamp plate and sticiss on many treating the processing part, realize treating the clamp of processing part to many, later alright carry out appearance processing. Then the utility model discloses fix a position the accuracy to thin slice class aviation part, it is tight firm to press from both sides.

(2) The utility model discloses a position department that corresponds to waiting to trompil on waiting to process the part on sets up the upper die orifice equal with target aperture on the first clamp plate, during drilling, makes the drill bit bore from the upper die orifice and descend, can bore the hole on waiting to process the part, its operation is comparatively simple, and the accuracy is better; the outer contour of the second pressing plate is consistent with the target outer contour of the part to be processed, so that a standard can be provided for the contour processing of the part to be processed, and the processing is convenient. Then the utility model discloses the machining precision has been ensured for processing defect reduces, the precision improves, stable in quality, the rejection rate is lower, and then improves the production efficiency of product, stabilizes product quality's technological effect.

To sum up, the utility model discloses can realize many positioning clamping function for the location is accurate, and it is tight to press from both sides, has ensured the requirement of processing, and sets up to processing operation through the clamp plate very much and provides the standard, has ensured the machining precision, makes processing defect reduce, the precision improves, stable in quality, the rejection rate is lower, and then improves the production efficiency of product, stabilizes product quality's technological effect.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a schematic plan view of the structure of the present invention.

Reference numerals: 1. a screw; 2. a first base plate; 3. a limit baffle; 4. mounting a die hole; 5. a part to be processed; 6. a second platen; 7. a second nut; 8. a connecting plate; 9. a lower groove; 10. a first processing zone; 11. a first platen; 12. a base plate; 13. a first nut; 14. a bolt; 15. positioning a rod; 16. screwing holes; 17. a through hole; 18. a lower die hole; 19. a third nut; 20. a second processing zone.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1 and 2, the multi-piece positioning and clamping device for sheet type aviation parts comprises a base plate 12, and a first processing area 10 and a second processing area 20 which are respectively and correspondingly arranged on two half sides of the base plate 12, wherein a bolt 14 for self installation is arranged on the peripheral side of the base plate 12, a first clamping mechanism is arranged in the first processing area 10, and a second clamping mechanism is arranged in the second processing area 20;

the first clamping mechanism comprises four screw rods 1 vertically fixed at four corners of a first machining area 10 one by one and a first pressing plate 11 sleeved on the four screw rods 1 together, a first nut 13 positioned on the first pressing plate 11 is sleeved on each screw rod 1 in a matching manner, the first pressing plate 11 is matched with a base plate 12 to clamp a part 5 to be machined, a limiting baffle 3 used for limiting the periphery of the part 5 to be machined is fixed on the base plate 12, the limiting baffle 3 is positioned on the outer side of the corresponding side of the first pressing plate 11, an upper die hole 4 equal to a target aperture is formed in the position, corresponding to a hole to be formed in the part 5 to be machined, of the first pressing plate 11, the upper die hole 4 penetrates through the upper end face and the lower end face of the first pressing plate 11, and lower die holes 18 corresponding to the upper die holes 4 in one-to-one alignment are formed in the upper part of the base plate;

the second clamping mechanism comprises at least one positioning rod 15 vertically fixed on the base plate 12 and a second pressing plate 6 sleeved on the positioning rod 15, the diameter of the positioning rod 15 is not larger than the target diameter of a hole formed in the part 5 to be machined, threads are arranged on the surface of the upper end of the positioning rod 15, a second nut 7 located on the second pressing plate 6 is sleeved on the upper end adaptive sleeve of the positioning rod 15, the second pressing plate 6 is matched with the base plate 12 and used for clamping the part 5 to be machined, the outline of the second pressing plate 6 is consistent with the target outline of the part 5 to be machined, and a through hole 17 for the positioning rod 15 to pass through is formed in the position, corresponding to the hole to be machined, on the part 5 to be machined.

Example 2

The present embodiment is different from embodiment 1 in that:

in this embodiment, as shown in fig. 1 and fig. 2, a first bottom plate 2 sleeved on four screws 1 together is arranged below the first pressure plate 11, a third nut 19 located on the first pressure plate 11 is sleeved on each screw 1 in an adaptive manner, the limit baffle 3 is fixed on the first bottom plate 2, and the lower die hole 18 is opened on the first bottom plate 2. Set up first bottom plate 2 and be used for bearing limit baffle 3 and

lower mould hole

18, 2 suits of first bottom plate are on screw rod 1 and compress tightly the realization installation with third nut 19, first clamp plate 11 and the comparatively convenient follow bed plate 12 of first bottom plate 2 homoenergetic are dismantled, thereby can realize the change of first clamp plate 11 and first bottom plate 2, make bed plate 12 can cooperate the first clamp plate 11 of multiunit and first bottom plate 2 to use, this device can be applicable to the part that requires to different specifications and processing promptly and carry out the centre gripping in order to assist the processing.

In the present embodiment, as shown in fig. 1 and 2, the lower grooves 9 communicating with all the lower die holes 18 are formed in the first processing area 10 at the upper portion of the base plate 12. During drilling processing, the drill bit passes upper die hole 4, processing part and lower die hole 18 in proper order, sets up lower recess 9 and can form a cavity at the lower extreme of lower die hole 18, can avoid the drill bit to act on bed plate 12 to a certain extent, and simultaneously, lower recess 9 is convenient for collect iron fillings and the coolant liquid in the course of working.

In this embodiment, as shown in fig. 1 and fig. 2, four corners of the first pressing plate 11 are respectively connected with a connecting plate 8, and the connecting plates 8 are sleeved on the screws 1 on the corresponding sides. The connecting plate 8 is used for realizing the sleeve joint with the screw rod 1, the design requirement of the first pressing plate 11 can be reduced, and then the connecting plate 8 and the first pressing plate 11 are connected together.

Otherwise, the same procedure as in example 1 was repeated.

Example 3

The present embodiment is different from embodiment 2 in that:

in the present embodiment, as shown in fig. 1, the lower end portion of the positioning rod 15 is screwed to the base plate 12, and the base plate 12 has a plurality of screw holes 16 screwed to the lower end portion of the positioning rod 15 in the second machining region 20. The positioning rod 15 is in threaded connection with the base plate 12, so that the positioning rod 15 can be easily disassembled and assembled, and the positioning rod 15 is arranged in different threaded connection holes 16, so that the clamping requirements of parts at different drilling positions can be met.

The rest is the same as example 2.

The specific application process of the multi-piece positioning and clamping device for the sheet type aviation parts comprises the following steps:

firstly, a corresponding first base plate 2 is sleeved on a screw rod 1 and is tightly pressed by a third nut 19 (the third nut 19 is screwed on the screw rod 1), then a plurality of parts 5 (sheet type aviation parts) to be processed are overlapped and placed on the first base plate 2, attention is paid to enable the parts 5 to be processed to be arranged on the inner side of a limit baffle 3, the limit baffle 3 is attached to and blocked on the peripheral side of the parts 5 to be processed, so that the plurality of parts 5 to be processed can be orderly stacked on the first base plate 2, then a corresponding first pressing plate 11 is sleeved on the screw rod 1 and is pressed on a connecting plate 8 by screwing a first nut 13, the first pressing plate 11 is driven to be tightly pressed on the plurality of parts 5 to be processed, the clamping of the plurality of parts 5 to be processed is realized, then, the drilling processing can be carried out, because an upper die hole 4 which is equal to the target aperture is arranged at the position, corresponding to the hole to be processed, on the part, during drilling, the drill bit is enabled to move downwards from the upper die hole 4 until the drill bit drills into the lower die hole 18, holes can be drilled in the part 5 to be machined, and the drilling device is simple to operate and good in accuracy. Then take off first clamp plate 11, just can take out the part 5 of treating that the spot facing work was ended, the hole suit that is processed out through self is on locating lever 15, then suit second clamp plate 6 on locating lever 15, and press on second clamp plate 6 through screwing second nut 7, drive second clamp plate 6 and sticis on many parts 5 of treating to process, the realization is to the clamp of many parts 5 of treating to process, later alright carry out appearance processing, because the outline of second clamp plate 6 is unanimous with the target outline of the part 5 of treating to process, can provide a standard for the appearance processing of the part 5 of treating to process, the processing of being convenient for.

According to the above content, the utility model discloses a screw rod (locating lever), nut and clamp plate can be compressed tightly on the bed plate with many parts that overlap, can realize many positioning clamping function, machining precision has been ensured, make the location accurate, it is tight firm to press from both sides, the requirement of processing has been ensured, and provide the standard for processing through last nib (the outline of clamp plate) that is equipped with on the clamp plate, many clamping have been realized, make processing defect reduce, the precision improves, stable in quality, the rejection rate is lower, and then improve the production efficiency of product, stabilize product quality's technological effect.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A multi-piece positioning and clamping device for sheet type aviation parts comprises a base plate (12), a first processing area (10) and a second processing area (20) which are respectively and correspondingly arranged on two half sides of the base plate (12), wherein bolts (14) for self installation are arranged on the periphery of the base plate (12), a first clamping mechanism is arranged in the first processing area (10), and a second clamping mechanism is arranged in the second processing area (20); it is characterized in that the preparation method is characterized in that,

first clamping mechanism includes that one is vertical fixes four screw rods (1) in first processing district (10) four corners department and common suit first clamp plate (11) on four screw rods (1) one by one, and equal suitability cover is equipped with first nut (13) that are located on first clamp plate (11) on every screw rod (1), first clamp plate (11) and bed plate (12) cooperation are used for the centre gripping to treat processing part (5), be fixed with on bed plate (12) and be used for treating processing part (5) and carry out spacing limit baffle (3) all around, and limit baffle (3) are located the outside of the corresponding side of first clamp plate (11), last nib (4) that equal with target aperture are seted up to the position department of treating the trompil on part (5) of treating processing on first clamp plate (11), last nib (4) link up the up end face from top to bottom of first clamp plate (11), just the lower nib that corresponds one-to-one and aligns with last nib (4) on the upper portion of bed plate (12) 18) (ii) a

The second clamping mechanism comprises at least one vertical positioning rod (15) fixed on a base plate (12) and a second pressing plate (6) sleeved on the positioning rod (15), the diameter of the positioning rod (15) is not larger than the target diameter of a hole formed in the part to be machined (5), the upper end surface of the positioning rod (15) is provided with threads, a second nut (7) located on the second pressing plate (6) is sleeved on the upper end adaptive cover of the positioning rod (15), the second pressing plate (6) is matched with the base plate (12) to be used for clamping the part to be machined (5), the outer contour of the second pressing plate (6) is consistent with the target outer contour of the part to be machined (5), and a through hole (17) for the positioning rod (15) to pass through is formed in the position corresponding to the hole to be machined on the part to be machined (5) on the second pressing plate (6).

2. The positioning and clamping device for multiple sheets of aviation components as claimed in claim 1, wherein a first base plate (2) jointly sleeved on four screws (1) is arranged below the first pressing plate (11), a third nut (19) positioned on the first pressing plate (11) is fittingly sleeved on each screw (1), the limit baffle (3) is fixed on the first base plate (2), and the lower die hole (18) is formed in the first base plate (2).

3. The multi-piece positioning and clamping device for sheet-like aircraft parts according to claim 2, characterized in that the upper part of the base plate (12) is provided with a lower groove (9) communicating with all the lower die holes (18) in the first processing area (10).

4. The positioning and clamping device for multiple pieces of sheet-type aviation components is characterized in that a connecting plate (8) is connected to each of four corners of the first pressing plate (11), and the connecting plates (8) are sleeved on the corresponding screws (1).

5. The multiple-piece positioning and clamping device for the thin-sheet type aviation parts is characterized in that the lower end parts of the positioning rods (15) are in threaded connection with the base plate (12), and the base plate (12) is provided with a plurality of threaded holes (16) matched with the lower end parts of the positioning rods (15) in a threaded mode in the second machining area (20).