CN210413641U

CN210413641U - Clamping device is used in processing of carbon-carbon composite bolt

Info

Publication number: CN210413641U
Application number: CN201921274268.9U
Authority: CN
Inventors: 王栋梁; 邹昌盛; 李多壮
Original assignee: Shandong Huada New Material Co Ltd
Current assignee: Shandong Huada New Material Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-28
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a clamping device is used in processing of carbon-carbon combined material bolt, including the base that has the cavity, be equipped with the pivot on the base, the bottom of pivot is connected with drive arrangement, the top of pivot is connected with the carousel, be equipped with the support column on the carousel, the slip cover is equipped with first clamp plate and sets up the second clamp plate in first clamp plate below on the support column, be equipped with a plurality of buffer spring between first clamp plate and the second clamp plate, the support column top still is equipped with the fixed plate, be equipped with the cylinder on the fixed plate, the cylinder links to each other with first clamp plate, second clamp plate below articulates there is the rhombus frame, the rhombus frame is the frame construction that 4 first connecting rod head and the tail phase articulates and enclose, the bottom of rhombus frame articulates on the carousel, both ends point department at the same diagonal of. The utility model has the advantages of simple structure and reasonable design, the simple operation, centre gripping are effectual, make things convenient for angular adjustment when the centre gripping, can also prevent to cause the damage to the bolt surface when the clamping bolt simultaneously.

Description

Clamping device is used in processing of carbon-carbon composite bolt

Technical Field

The utility model relates to a bolt machining tool technical field, concretely relates to clamping device is used in processing of carbon-carbon composite bolt.

Background

The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, a fastener consisting of a head part and a screw (a cylinder with an external thread) needs to be matched with the nut and is used for fastening and connecting two parts with through holes, the connection form is called bolt connection, if the nut is screwed off from the bolt, the two parts can be separated, and therefore the bolt connection belongs to detachable connection.

The carbon-carbon composite material is a carbon matrix composite material reinforced by carbon fibers and fabrics thereof, and has the advantages of low density, high strength, high specific modulus, high thermal conductivity, low expansion coefficient, good friction performance, good thermal shock resistance, high dimensional stability and the like. The typical form of attachment in carbon-carbon composite structures includes: mechanical connection, glue joint and glue and screw mixed connection. The mechanical bolt connection form is the main connection form in the existing carbon-carbon composite material connection, and due to the use requirements of the carbon-carbon composite material bolt and the nut, the thread on the carbon-carbon composite material bolt is often a non-standard structure, and the operations such as cleaning, deburring, polishing and the like need to be carried out on the machined thread on the bolt through a bolt machining tool, but the design of a clamping device of the existing machining tool is not tight enough, the clamping is not tight enough in the operation process, and the clamping effect needs to be improved; the angle of the clamping device cannot be adjusted, so that inconvenience is brought during clamping, and the operation of workers is not facilitated; in addition, the existing device is easy to cause the misalignment of the bolt in the clamping process, so that the outer surface of the bolt needing to be machined can be damaged, and the machining quality of the bolt can be influenced in the machining process.

Disclosure of Invention

In order to solve the problems in the prior art, the clamping device for machining the carbon-carbon composite material bolt is simple in structure, reasonable in design, convenient to operate, good in clamping effect, convenient to adjust the angle during clamping and capable of preventing the surface of the bolt from being damaged during clamping of the bolt.

The utility model provides a technical scheme that its technical problem adopted is:

a clamping device for processing a carbon-carbon composite material bolt comprises a base with a cavity, the base is provided with a rotating shaft, the bottom end of the rotating shaft is connected with a driving device, the top end of the rotating shaft is connected with a turntable, the turntable is provided with two support columns which are symmetrically arranged, a first press plate and a second press plate arranged below the first press plate are sleeved on the support columns in a sliding manner, a plurality of buffer springs are arranged between the first pressing plate and the second pressing plate, a fixing plate is arranged at the top end of the supporting column, an air cylinder is arranged on the fixing plate, the air cylinder is connected with the first pressing plate, a diamond-shaped frame is hinged below the second pressing plate, the diamond-shaped frame is a frame structure formed by hinging 4 first connecting rods end to end, the bottom of the diamond-shaped frame is hinged on the turntable, and two end points of the same diagonal line of the diamond frame are provided with symmetrically arranged clamping mechanisms.

Preferably, the clamping mechanism comprises two second connecting rods, the two second connecting rods are hinged to the two adjacent first connecting rods respectively, the other ends of the second connecting rods are hinged to clamping blocks, and the end faces of the clamping blocks are arc-shaped.

Preferably, the bottom of the second pressing plate is provided with a first boss, the first boss is hinged to the diamond-shaped frame, the turntable is provided with a second boss, and the second boss is hinged to the diamond-shaped frame.

Preferably, the driving device comprises a motor, the motor is arranged in the cavity of the base, the motor is connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is fixedly connected to the rotating shaft.

Preferably, the first pressing plate is provided with a first hole, the second pressing plate is provided with a second hole, and the support column penetrates through the first hole and the second hole.

Preferably, the vertical diagonal line of the diamond frame is arranged in line with the axis of the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages of simple structure and reasonable design, through set up fixture in the rhombus frame, utilize the change of the contained angle of rhombus frame, realize the accurate positioning and the quick clamp of bolt, convenient centering, the centre gripping is effectual, and utilize the cylinder to drive, convenient and fast, easy operation;

2. the utility model prevents the surface of the bolt to be processed from being damaged in the clamping process by arranging the buffer spring between the first pressing plate and the second pressing plate, thereby playing a role of increasing the practical performance;

3. the utility model discloses a set up the carousel, utilize drive arrangement to make the carousel rotatory, can realize the regulation of clamping device angle, make things convenient for the staff to adjust the most convenient operating angle when the centre gripping, improve work efficiency.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of the structure of the region a in fig. 1.

Fig. 3 is a top view of the first platen of fig. 1.

Fig. 4 is a top view of the second platen of fig. 1.

Description of reference numerals:

1, a base; 2, rotating a shaft; 3, rotating the disc; 4, supporting columns; 5 a second press plate; 51 a second aperture; 6 a first platen; 61 a first hole; 7 fixing the plate; 71 a third aperture; 8 air cylinders; 9 a buffer spring; 10 a diamond frame; 101 a first link; 11 a first boss; 12 a second boss; 13 a second link; 14, clamping the block; 15 motor; 16 a first bevel gear; 17 a second bevel gear; 18 holes.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-4, the clamping device for processing a carbon-carbon composite bolt provided in this embodiment includes a base 1 having a cavity, the base has a rotary hole 18, a rotary shaft 2 penetrates through the rotary hole 18, a driving device is connected to a bottom end of the rotary shaft, further, the driving device includes a motor 15, the motor 15 is disposed in the cavity of the base 1, the motor 15 is connected to a first bevel gear 16, the first bevel gear 16 is engaged with a second bevel gear 17, and the second bevel gear 17 is fixedly connected to the rotary shaft 2.

The top end of the rotating shaft 2 is fixedly connected with a rotating disc 3, two support columns 4 are arranged on the rotating disc 3, specifically, the two support columns 4 are symmetrically arranged, a first pressing plate 6 and a second pressing plate 5 arranged below the first pressing plate 6 are sleeved on the support columns 4, specifically, a first hole 61 is formed in the first pressing plate 6, a second hole 51 is formed in the second pressing plate 5, and the support columns 4 penetrate through the first hole 61 and the second hole 51; through setting up carousel 3, utilize drive arrangement to make carousel 3 rotatory, can realize the regulation of fixture angle, make things convenient for the staff to adjust to the most convenient operating angle when the centre gripping, improve work efficiency.

Be equipped with a plurality of buffer spring 9 between first clamp plate 6 and the second clamp plate 5, it is concrete, buffer spring's quantity can be equipped with 4 and be the equipartition setting, through setting up buffer spring 9, utilize buffer spring 9's elastic force effect, can effectively prevent at the clamping process, the clamping mechanism who is driven by cylinder 8 strikes clamping bolt surface fast, cause the damage to the surface of the bolt that needs to process, thereby improved the qualification rate and guaranteed processingquality, played the effect that increases its practicality. The top of support column 4 still is equipped with fixed plate 7, be equipped with cylinder 8 on fixed plate 7, third hole 71 has been seted up on fixed plate 7, the piston rod of cylinder 8 passes third hole 71 and links to each other with first clamp plate 6, the bottom of second clamp plate 5 is equipped with first boss 11, first boss 11 articulates there is rhombus frame 10, and is concrete, rhombus frame 10 is the frame construction that 4 first connecting rods 101 articulated enclose end to end, the bottom of rhombus frame 10 articulates on second boss 12, the fixed setting on carousel 3 of second boss 12, and is further, the axis collineation setting of the diagonal of the vertical direction of rhombus frame 10 and pivot 2.

Be equipped with the fixture that is the symmetry and sets up in the both ends point department of the same diagonal of diamond-shaped frame 10, it is concrete, fixture includes second connecting rod 13, and the quantity of second connecting rod 13 is equipped with two and articulates respectively on two adjacent first connecting rods 101, and the other end of second connecting rod 13 articulates there is tight piece 14 of clamp, and the terminal surface that presss from both sides tight piece 14 is the arc form, for increase frictional force, still is equipped with anti-skidding line on pressing from both sides the terminal surface of tight piece 14. Through set up fixture in rhombus frame 10, utilize the change of the contained angle of rhombus frame 10, realize the accurate positioning and the quick clamp of bolt tightly, convenient centering, the centre gripping is effectual, and utilizes cylinder 8 to drive convenient and fast, easy operation.

The specific using process is as follows:

when the clamping device is used, the motor is started to drive the turntable to rotate, the angle for conveniently clamping the bolt is adjusted, the bolt is placed between the two clamping blocks, the air cylinder 8 is started, the air cylinder 8 drives the first pressing plate 6 to move downwards, the first pressing plate 6 transmits acting force to the buffer spring 9 and then transmits the acting force to the second pressing plate 5, the second pressing plate 5 presses the diamond-shaped frame 10 downwards, the diamond-shaped frame is of a frame structure formed by hinging 4 first connecting rods 101 end to end, the diamond-shaped frame 10 can deform under the action of the lower pressure, a pair of clamping mechanisms on a diagonal line in the vertical direction of the diamond-shaped frame 10 move towards the direction close to each other, meanwhile, the inclination of the second connecting rod 13 also changes, the clamping blocks 14 are driven to clamp the bolt, after the bolt is clamped, the angle of the turntable 3 is adjusted to be in a proper position, and the machined thread teeth on the bolt are cleaned, deburred, And after the machining is finished, the piston rod of the air cylinder 8 moves upwards to drive the clamping blocks 14 to move towards the direction away from each other, so that the bolt is loosened.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The clamping device for processing the carbon-carbon composite material bolt comprises a base (1) with a cavity, and is characterized in that a rotating shaft (2) is arranged on the base (1), the bottom end of the rotating shaft (2) is connected with a driving device, the top end of the rotating shaft (2) is connected with a turntable (3), support columns (4) are arranged on the turntable (3), the number of the support columns (4) is two, the two support columns are symmetrically arranged, a first pressing plate (6) and a second pressing plate (5) arranged below the first pressing plate (6) are slidably sleeved on the support columns (4), a plurality of buffer springs (9) are arranged between the first pressing plate (6) and the second pressing plate (5), a fixing plate (7) is further arranged at the top end of each support column (4), an air cylinder (8) is arranged on the fixing plate (7), and the air cylinder (8) is connected with the first pressing plate (6), the lower portion of the second pressing plate (5) is hinged to a diamond-shaped frame (10), the diamond-shaped frame (10) is a frame structure formed by 4 first connecting rods (101) which are hinged end to end in a surrounding mode, the bottom of the diamond-shaped frame (10) is hinged to the rotary table (3), and clamping mechanisms which are symmetrically arranged are arranged at two end points of the same diagonal line of the diamond-shaped frame (10).

2. The clamping device for processing the carbon-carbon composite material bolt according to claim 1, wherein the clamping mechanism comprises two second connecting rods (13), the two second connecting rods (13) are respectively hinged to two adjacent first connecting rods (101), the other end of each second connecting rod (13) is hinged to a clamping block (14), and the end face of each clamping block (14) is arc-shaped.

3. The clamping device for processing the carbon-carbon composite material bolt as recited in claim 1, wherein a first boss (11) is arranged at the bottom of the second pressing plate (5), the first boss (11) is hinged with the diamond-shaped frame (10), a second boss (12) is arranged on the rotary plate (3), and the second boss (12) is hinged with the diamond-shaped frame (10).

4. The clamping device for processing the carbon-carbon composite material bolt as recited in claim 1, wherein the driving device comprises a motor (15), the motor (15) is disposed in the cavity of the base (1), the motor (15) is connected with a first bevel gear (16), the first bevel gear (16) is engaged with a second bevel gear (17), and the second bevel gear (17) is fixedly connected to the rotating shaft (2).

5. The clamping device for machining the carbon-carbon composite material bolt is characterized in that a first hole (61) is formed in the first pressing plate (6), a second hole (51) is formed in the second pressing plate (5), and the supporting column (4) penetrates through the first hole (61) and the second hole (51).

6. The clamping device for processing the carbon-carbon composite material bolt as recited in claim 1, wherein a vertical diagonal line of the diamond frame (10) is arranged in line with an axis of the rotating shaft (2).