Carbon-carbon bolt grooving device

Abstract

The utility model provides a carbon-carbon bolt grooving device, and belongs to the technical field of carbon-carbon bolt production and manufacturing equipment. Comprising a fixing base used for fixing the carbon-carbon bolt, a support body connected with the fixing base and used for supporting the fixing base, a grooving cutter connected with the support body and arranged above the fixing base, a rotation driving device used for driving the grooving cutter to rotate and a transmission assembly connected with the grooving cutter and the rotation driving device. A vertical sliding groove is formed in the support body, and the fixing base is arranged in the vertical sliding groove and can move along the vertical sliding groove. The cutting direction of the grooving cutter is parallel to the length direction of the vertical sliding groove. By means of the grooving device for the carbon-carbon bolts, straight grooves can be machined in the tops of the heads of the multiple carbon-carbon bolts which are arranged side by side, and the outer contours and turning threads of the carbon-carbon bolts can be machined on other machining machines such as a lathe. And the production and manufacturing efficiency of the carbon-carbon bolt is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of carbon-carbon bolt production and manufacturing equipment, and more specifically relates to a carbon-carbon bolt slotting device. Background Art

[0002] Carbon-carbon bolts are high-performance bolts made of carbon fiber and carbon-based resin. This bolt has the characteristics of high strength, high rigidity, low density, high heat resistance, high corrosion resistance, etc., so it is widely used in aerospace, automobile, electronics, chemical industry and other fields.

[0003] The manufacturing process of carbon-carbon bolts mainly includes the following steps:

[0004] Preparation of carbon fiber preform: First, the carbon fibers are arranged in a certain direction, then impregnated with resin, and the resin is cured by hot pressing or vacuum pressure to form a carbon fiber preform.

[0005] Carbonization treatment: The carbon fiber preform is placed in a carbonization furnace, and the resin is pyrolyzed in an oxygen-free environment and converted into carbon by controlling the temperature and pressure.

[0006] Secondary impregnation carbonization: The carbonized preform is impregnated with resin again and then carbonized to increase its density and strength.

[0007] Manufacturing bolts: The secondary impregnation and carbonization material is cut and processed according to the shape of the bolt, and then heat treated and surface treated to make carbon-carbon bolts.

[0008] Processing the secondary impregnation carbonized material into bolts requires turning the outer contour of the bolt, turning the thread, and processing the slot of the bolt head. The three processes of the prior art are processed inefficiently on the same equipment, which affects the output of carbon-carbon bolts. Utility Model Content

[0009] One object of the utility model is to provide a carbon-carbon bolt slotting device, which is used for slotting the top surface of the bolt head of the carbon-carbon bolt, and includes a fixing seat for fixing the carbon-carbon bolt, a bracket body connected to the fixing seat for supporting the fixing seat, a slotting knife connected to the bracket body and placed above the fixing seat, a rotation drive device for driving the slotting knife to rotate, and a transmission assembly connecting the slotting knife and the rotation drive device;

[0010] A vertical slide groove is arranged on the bracket body, and the fixing seat is arranged in the vertical slide groove and can move along the vertical slide groove; the cutting direction of the slotting knife is parallel to the length direction of the vertical slide groove;

[0011] A clamping assembly is provided on the fixed seat, and the clamping assembly includes a fixed baffle, a movable baffle and a clamping drive unit for driving the movable baffle to move. A clamping track is also provided on the fixed seat, and the movable baffle can move in the clamping track toward the movable baffle; moving the movable baffle can place the carbon-carbon bolt between the movable baffle and the fixed baffle and adjust the angle of the carbon-carbon bolt, and can also clamp the carbon-carbon bolt.

[0012] Preferably, the bracket body further comprises a horizontal adjustment seat and a base, the vertical slide groove is arranged on the horizontal adjustment seat, a transverse slide groove perpendicular to the length direction of the vertical slide groove is arranged on the base, and the horizontal adjustment seat is arranged in the transverse slide groove and translates along the length direction of the transverse slide groove;

[0013] The base is also provided with a transverse screw with an external thread and a transverse adjustment handle for driving the transverse screw to rotate; the transverse screw passes through the horizontal adjustment seat and is connected to the horizontal adjustment seat by a thread, and the bottom of the horizontal adjustment seat is provided with an internal thread matching the external thread of the transverse screw; rotating the transverse adjustment handle can drive the transverse screw to rotate and drive the horizontal adjustment seat to move in the transverse slide groove.

[0014] Preferably, the bracket body further comprises a column and a beam platform arranged on the column, and an extended mounting shaft is arranged above the beam platform;

[0015] The transmission assembly comprises a rotating shaft arranged on the side of the beam platform, and the slotting knife is installed on the rotating shaft; the rotating driving device is connected to the rotating shaft and can drive the rotating shaft to rotate, thereby driving the slotting knife to rotate.

[0016] Preferably, the slotting cutter is sleeved on the outside of the rotating shaft, and multiple sleeves are also sleeved on the outside of the rotating shaft; the end of the rotating shaft away from the crossbeam platform is provided with an internal thread and a locking bolt matching it, the locking bolt is connected to the rotating shaft through a thread and can push the sleeve to clamp the slotting cutter and clamp the multiple sleeves to each other; the rotating shaft drives the sleeve to rotate and then drives the slotting cutter to rotate.

[0017] Preferably, a vertical slide groove is provided in the column, a vertical screw rod is provided inside the vertical slide groove, and a vertical adjustment handle for driving the vertical screw rod to rotate is provided at the top of the column;

[0018] The crossbeam platform is arranged in the vertical slide groove and can translate along the height direction of the column. An internal threaded hole matching the vertical thread is arranged on the crossbeam platform. The crossbeam platform is connected to the vertical screw rod through threads. Rotating the vertical adjustment handle can drive the vertical screw rod to rotate, thereby driving the crossbeam platform to move towards or away from the clamping assembly.

[0019] Preferably, a laser is provided on the extended mounting shaft, and the laser can emit a line laser in the direction of the clamping assembly, and the direction of the line laser is parallel to the length direction of the vertical slide groove.

[0020] Preferably, the rotary drive device is an electric motor, and the output shaft of the electric motor is connected to the rotating shaft via a transmission belt, and the transmission belt is used to transmit torque between the output shaft of the electric motor and the rotating shaft.

[0021] As described above, the carbon-carbon bolt slotting device of the utility model provides a special processing device for processing the slotted groove on the top of the bolt head alone, which can process the slotted groove on the top of multiple carbon-carbon bolt heads placed side by side, while the outer contour and threading of the carbon-carbon bolt can be processed on another processing machine, such as a lathe, thereby increasing the efficiency of carbon-carbon bolt production. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be more fully understood through the following detailed description in conjunction with the accompanying drawings, in which like elements are numbered in a similar manner, wherein:

[0023] Figure 1 This is a structural diagram of a carbon-carbon bolt slotting device according to an embodiment of the utility model;

[0024] Figure 2 This is an exploded diagram of the connection relationship between a fixing seat, a horizontal adjustment seat, a base and a transverse screw of a carbon-carbon bolt slotting device according to an embodiment of the utility model;

[0025] Figure 3 It is a structural schematic diagram of a column and a beam platform of a carbon-carbon bolt slotting device according to an embodiment of the utility model;

[0026] Figure 4 yes Figure 3 A partial enlarged view of the middle A;

[0027] Figure 5 yes Figure 2 A partial enlarged view of the middle A;

[0028] In the figure: a fixed seat 11, a vertical slide 12, a slotting knife 2, a rotary drive device 3, a fixed baffle 41, a movable baffle 42, a clamping rail 43, a clamping screw 44, a horizontal adjustment seat 51, a base 52, a transverse slide 53, a transverse screw 54, a limiter 55, a step 56, a column 61, a beam platform 62, an extended mounting shaft 63, a rotating shaft 64, a docking plate 65, a sleeve 66, a locking bolt 67, a vertical screw 71, a vertical adjustment handle 72, a laser 8, and a transmission belt 9. DETAILED DESCRIPTION

[0029] The technical solution of the utility model is further described in detail below through embodiments and in combination with the accompanying drawings, but the utility model is not limited to the following embodiments.

[0030] Carbon-carbon bolts are high-performance bolts made of carbon fiber and carbon-based resin. This bolt has the characteristics of high strength, high rigidity, low density, high heat resistance, high corrosion resistance, etc., so it is widely used in aerospace, automobile, electronics, chemical industry and other fields.

[0031] The manufacturing process of carbon-carbon bolts mainly includes the steps of preparing a carbon fiber preform, carbonizing the carbon fiber preform, secondary impregnation carbonization and manufacturing bolts.

[0032] Processing the secondary impregnation carbonized material into bolts requires turning the outer contour of the bolt, turning the thread, and processing the slot of the bolt head. The three processes of the prior art are processed inefficiently on the same equipment, which affects the output of carbon-carbon bolts.

[0033] In order to solve the above problems, the present embodiment provides a carbon-carbon bolt slotting device for slotting the top surface of the bolt head of the carbon-carbon bolt, comprising a fixing seat 11 for fixing the carbon-carbon bolt, a bracket body connected to the fixing seat 11 for supporting the fixing seat 11, a slotting knife 2 connected to the bracket body and placed above the fixing seat 11, a rotation drive device 3 for driving the slotting knife 2 to rotate, and a transmission assembly connecting the slotting knife 2 and the rotation drive device 3;

[0034] A vertical slide groove 12 is provided on the bracket body, and the fixing seat 11 is arranged in the vertical slide groove 12 and can move along the vertical slide groove 12; the cutting direction of the slotting knife 2 is parallel to the length direction of the vertical slide groove 12;

[0035] A clamping assembly is provided on the fixed seat 11, and the clamping assembly includes a fixed baffle 41, a movable baffle 42 and a clamping drive unit for driving the movable baffle 42 to move. A clamping track 43 is also provided on the fixed seat 11, and the movable baffle 42 can move in the clamping track 43 toward the movable baffle 42; moving the movable baffle 42 can place the carbon-carbon bolt between the movable baffle 42 and the fixed baffle 41 and adjust the angle of the carbon-carbon bolt, and can also clamp the carbon-carbon bolt.

[0036] In this embodiment, Figure 1 , Figure 5 As shown, the clamping drive unit includes a clamping screw 44 , which passes through the movable baffle 42 and is threadedly connected to the movable baffle 42 . Rotating the clamping screw 44 can drive the movable baffle 42 to move toward the fixed baffle 41 or away from the movable baffle 42 .

[0037] In the specific implementation process, the fixing seat 11 can be pushed and pulled manually to move the fixing seat 11 to the front of the slotting knife 2, and then the clamping screw 44 is rotated to ensure that there is enough distance between the movable baffle 42 and the fixed baffle 41 for placing the carbon-carbon bolts.

[0038] Then the carbon-carbon bolts are placed between the fixed baffle 41 and the movable baffle 42 , and a plurality of carbon-carbon bolts can be placed side by side at the same time.

[0039] Preferably, grooves matching the curvature of the carbon-carbon bolts can be provided on the sides opposite to the fixed baffle 41 and the movable baffle 42 to increase the contact area with the carbon-carbon bolts and prevent the carbon-carbon bolts from shaking.

[0040] After all the carbon-carbon bolts are placed between the fixed baffle 41 and the movable baffle 42, the movable baffle 42 can be adjusted to make it contact with the carbon-carbon bolt and have a certain locking force. It is also necessary to rotate the carbon-carbon bolt to adjust the direction of the slotting so that the direction of the slotting is perpendicular to the layer patterns produced by stacking during the manufacturing of the carbon-carbon bolt to prevent the carbon-carbon bolt from cracking during use.

[0041] After the carbon-carbon bolt angle is adjusted to the right position, the movable baffle 42 is adjusted to clamp the carbon-carbon bolt. Then the rotary drive device 3 is started to drive the slotting knife 2 to rotate. At this time, the slotting knife 2 is at the slotting height. The fixed seat 11 is pushed to move in the direction of the slotting knife 2, and the carbon-carbon bolt contacts the slotting knife 2 and slots are formed at the top of the bolt head.

[0042] Furthermore, the bracket body further includes a horizontal adjustment seat 51 and a base 52, the vertical slide groove 12 is arranged on the horizontal adjustment seat 51, and the base 52 is provided with a transverse slide groove 53 perpendicular to the length direction of the vertical slide groove 12, and the horizontal adjustment seat 51 is arranged in the transverse slide groove 53 and translates along the length direction of the transverse slide groove 53;

[0043] The base 52 is also provided with a transverse screw 54 with an external thread and a transverse adjustment handle for driving the transverse screw 54 to rotate; the transverse screw 54 passes through the horizontal adjustment seat 51 and is connected to the horizontal adjustment seat 51 by a thread, and the bottom of the horizontal adjustment seat 51 is provided with an internal thread matching the external thread of the transverse screw 54; rotating the transverse adjustment handle can drive the transverse screw 54 to rotate and drive the horizontal adjustment seat 51 to move in the transverse slide groove 53.

[0044] In this embodiment, the horizontal adjustment seat 51 can adjust the relative horizontal position of the slotting knife 2, and can be suitable for carbon-carbon bolts of different diameters. The horizontal adjustment seat 51 can move the position of the clamping assembly laterally so that the top of the carbon-carbon bolt head is aligned with the position of the slotting knife 2.

[0045] Preferably, a limit piece 55 is provided at the connection portion between the base 52 and the transverse screw 54, and a step 56 is provided at the corresponding position of the transverse screw 54. The step 56 is stuck between the side surface of the base 52 and the limit piece 55, limiting the transverse screw 54 to only rotate but not translate.

[0046] Preferably, the transverse slide groove 53 is a dovetail groove, and a corresponding dovetail block is provided at the bottom of the horizontal adjustment seat 51, and the dovetail block translates in the dovetail groove and cannot be lifted. Other slide groove structures of this embodiment can be arranged in accordance with this method.

[0047] Furthermore, the bracket body further includes a column 61 and a beam platform 62 disposed on the column 61, and an extended mounting shaft 63 is disposed above the beam platform 62;

[0048] The transmission assembly includes a rotating shaft 64 arranged on the side of the beam platform 62, and the slotting knife 2 is installed on the rotating shaft 64; the rotation driving device 3 is connected to the rotating shaft 64 and can drive the rotating shaft 64 to rotate, thereby driving the slotting knife 2 to rotate.

[0049] This embodiment provides an installation method for the slotting knife 2, in which the slotting knife 2 is suspended above the clamping assembly, and the rotating shaft 64 is used to drive the slotting knife 2 to rotate; one end of the rotating shaft 64 passes through the beam platform 62, and the other end passes through the docking plate 65 connected to the extended mounting shaft 63, thereby increasing the stability of the rotating shaft 64 and preventing shaking.

[0050] Furthermore, the slotting knife 2 is sleeved on the outside of the rotating shaft 64, and multiple sleeves 66 are also sleeved on the outside of the rotating shaft 64; the end of the rotating shaft 64 away from the beam platform 62 is provided with an internal thread and a locking bolt 67 matching it, the locking bolt 67 is connected to the rotating shaft 64 through a thread and can push the sleeve 66 to clamp the slotting knife 2 and clamp the multiple sleeves 66 to each other; the rotating shaft 64 drives the sleeve 66 to rotate and then drives the slotting knife 2 to rotate.

[0051] This embodiment provides a mounting structure for driving the slotting knife 2 to rotate, such as Figure 4 As shown, the slotting knife 2 is sleeved on the outside of the rotating shaft 64. The locking bolt 67 can push the sleeve 66 after being locked. The sleeves 66 on both sides of the slotting knife 2 are pressed against the slotting knife 2. The rotating shaft 64 can drive the sleeve 66 to rotate through the locking bolt 67, and the sleeve 66 drives the slotting knife 2 to rotate.

[0052] Furthermore, a vertical slide groove 12 is provided in the column 61, a vertical screw rod 71 is provided inside the vertical slide groove 12, and a vertical adjustment handle 72 for driving the vertical screw rod 71 to rotate is provided at the top of the column 61;

[0053] The crossbeam platform 62 is arranged in the vertical slide groove 12 and can be translated along the height direction of the column 61. An internal threaded hole matching the vertical screw 71 is arranged on the crossbeam platform 62. The crossbeam platform 62 and the vertical screw 71 are connected by threads. Rotating the vertical adjustment handle 72 can drive the vertical screw 71 to rotate, thereby driving the crossbeam platform 62 to move toward or away from the clamping assembly.

[0054] In this embodiment, Figure 3 As shown, the vertical screw rod 71 can drive the crossbeam platform 62 to move up and down, thereby adjusting the height of the slotting knife 2, so that it can be suitable for carbon-carbon bolts of different lengths and sizes, and can also adjust the depth of the slots on the carbon-carbon bolts.

[0055] Furthermore, a laser 8 is disposed on the extended mounting shaft 63 , and the laser 8 can emit a line laser in the direction of the clamping assembly, and the direction of the line laser is parallel to the length direction of the vertical slide groove 12 .

[0056] In this embodiment, the line laser generated by the laser 8 can display the grooving path and can also be colinear with the grooving cutter on the vertical projection plane. The laser 8 can be started when the position of the clamping assembly is adjusted to intuitively display the working path of the grooving cutter.

[0057] Furthermore, the rotation driving device 3 is an electric motor, and the output shaft of the electric motor is connected to the rotating shaft 64 via a transmission belt 9 , and the transmission belt 9 is used to transmit torque between the output shaft of the electric motor and the rotating shaft 64 .

[0058] The various embodiments of the present disclosure have been described above, and the above description is exemplary and not exhaustive, and the scope of the present invention is not limited to the above embodiments. Without departing from the spirit and scope of the present invention, many modifications and changes are obvious to those of ordinary skill in the art. In other words, those of ordinary skill in the art can make various changes and improvements to the present invention in form and detail, and these are considered to fall within the scope of protection of the present invention. The choice of terms used herein is intended to best explain the principles of the various embodiments, practical applications, or improvements to the technology in the market, or to enable those of ordinary skill in the art to understand the various embodiments disclosed herein.

Claims

1. A carbon-carbon bolt slotting device, used for slotting the top surface of the bolt head of a carbon-carbon bolt, characterized in that: The invention comprises a fixing seat (11) for fixing a carbon-carbon bolt, a bracket body connected to the fixing seat (11) for supporting the fixing seat (11), a slotting knife (2) connected to the bracket body and placed above the fixing seat (11), a rotation driving device (3) for driving the slotting knife (2) to rotate, and a transmission assembly connecting the slotting knife (2) and the rotation driving device (3); A vertical slide groove (12) is provided on the bracket body, and the fixing seat (11) is arranged in the vertical slide groove (12) and can move along the vertical slide groove (12); the cutting direction of the slotting knife (2) is parallel to the length direction of the vertical slide groove (12); A clamping assembly is arranged on the fixed seat (11), the clamping assembly comprises a fixed baffle (41), a movable baffle (42) and a clamping drive unit for driving the movable baffle (42) to move; a clamping track (43) is also arranged on the fixed seat (11); the movable baffle (42) can move in the clamping track (43) toward the movable baffle (42); moving the movable baffle (42) can place the carbon-carbon bolt between the movable baffle (42) and the fixed baffle (41) and adjust the angle of the carbon-carbon bolt, and can also clamp the carbon-carbon bolt.

2. A carbon-carbon bolt slotting device according to claim 1, characterized in that: The bracket body also includes a horizontal adjustment seat (51) and a base (52), the vertical slide groove (12) is arranged on the horizontal adjustment seat (51), the base (52) is provided with a transverse slide groove (53) perpendicular to the length direction of the vertical slide groove (12), the horizontal adjustment seat (51) is arranged in the transverse slide groove (53) and moves in translation along the length direction of the transverse slide groove (53); The base (52) is also provided with a transverse screw rod (54) with an external thread and a transverse adjustment handle for driving the transverse screw rod (54) to rotate; the transverse screw rod (54) passes through the horizontal adjustment seat (51) and is connected to the horizontal adjustment seat (51) by a thread, and the bottom of the horizontal adjustment seat (51) is provided with an internal thread matching the external thread of the transverse screw rod (54); rotating the transverse adjustment handle can drive the transverse screw rod (54) to rotate and drive the horizontal adjustment seat (51) to move in the transverse slide groove (53).

3. A carbon-carbon bolt slotting device according to claim 1, characterized in that: The support body further comprises a column (61) and a beam platform (62) arranged on the column (61), and an extended mounting shaft (63) is arranged above the beam platform (62); The transmission assembly comprises a rotating shaft (64) arranged on the side of the crossbeam platform (62), and the slotting knife (2) is installed on the rotating shaft (64); the rotation driving device (3) is connected to the rotating shaft (64) and can drive the rotating shaft (64) to rotate, thereby driving the slotting knife (2) to rotate.

4. A carbon-carbon bolt slotting device according to claim 3, characterized in that: The slotting knife (2) is sleeved on the outside of the rotating shaft (64), and a plurality of sleeves (66) are also sleeved on the outside of the rotating shaft (64); an end of the rotating shaft (64) away from the crossbeam platform (62) is provided with an internal thread and a locking bolt (67) matching therewith, the locking bolt (67) is connected to the rotating shaft (64) by a thread and can push the sleeve (66) to clamp the slotting knife (2) and clamp the plurality of sleeves (66) to each other; the rotating shaft (64) drives the sleeve (66) to rotate and then drives the slotting knife (2) to rotate.

5. A carbon-carbon bolt slotting device according to claim 3 or 4, characterized in that: A vertical slide groove (12) is arranged inside the column (61), a vertical screw rod (71) is arranged inside the vertical slide groove (12), and a vertical adjustment handle (72) for driving the vertical screw rod (71) to rotate is arranged at the top of the column (61); The crossbeam platform (62) is arranged in the vertical slide groove (12) and can be translated along the height direction of the column (61). An internal threaded hole matching the vertical thread is arranged on the crossbeam platform (62). The crossbeam platform (62) is connected to the vertical screw rod (71) through threads. Rotating the vertical adjustment handle (72) can drive the vertical screw rod (71) to rotate, thereby driving the crossbeam platform (62) to move in a direction close to or away from the clamping assembly.

6. A carbon-carbon bolt slotting device according to claim 3, characterized in that: The extended mounting shaft (63) is provided with a laser (8), which can emit a line laser in the direction of the clamping assembly, and the direction of the line laser is parallel to the length direction of the vertical slide groove (12).

7. A carbon-carbon bolt slotting device according to claim 3, characterized in that: The rotary drive device (3) is an electric motor, and the output shaft of the electric motor is connected to the rotary shaft (64) via a transmission belt, and the transmission belt is used to transmit torque between the output shaft of the electric motor and the rotary shaft (64).

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