CN217750489U

CN217750489U - Disc-shaped crack antenna machining clamp

Info

Publication number: CN217750489U
Application number: CN202221627725.XU
Authority: CN
Inventors: 李平; 王梅
Original assignee: Chengdu Aerospace Tongyu Communication Technology Co ltd
Current assignee: Chengdu Aerospace Tongyu Communication Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-11-08
Anticipated expiration: 2032-06-28

Abstract

A disc-shaped crack antenna machining clamp comprises a centering mechanism, wherein four clamping mechanisms are arranged on the centering mechanism; the centering mechanism is provided with an upper disc and a lower disc, the upper disc is provided with a wire sleeve in a downward extending manner, the lower disc is rotatably arranged on the wire sleeve, the upper disc is provided with a deflection mechanism, the deflection mechanism is connected to the lower disc, the clamping mechanism is slidably arranged on the upper disc, the clamping mechanisms penetrate through the lower disc, the deflection mechanism is used for driving the lower disc to rotate relative to the upper disc so as to enable the clamping mechanism to synchronously move towards the disc-shaped workpiece to enable the clamping mechanism to clamp the disc-shaped workpiece, and an upper jacking mechanism is arranged in the wire sleeve and acts on the lower end of the disc-shaped workpiece so as to enable the upper end of the clamping mechanism to be tightly propped against the upper wall of the disc-shaped workpiece. When the disc-shaped slot antenna is machined, the disc is conveniently centered and clamped, the area of a pressing action surface is reduced during clamping, and further the influence on machining of the disc-shaped object is avoided.

Description

Disc-shaped crack antenna machining clamp

Technical Field

The utility model relates to an antenna panel processing technology field especially relates to a disc crack antenna machine adds uses anchor clamps.

Background

The disk-shaped slot antenna is formed by processing a plurality of array or non-array slots on an aluminum disk-shaped structure, and surface treatment is needed after the processing is finished. Typically, the slits in a disk-shaped slit antenna often extend beyond the edge of the disk. Therefore, during machining, the disk-shaped structure is clamped vertically and peripherally, then the non-clamped part is subjected to crack machining, after the machining is completed, the posture of the disk is adjusted, the part with the cracks machined is clamped, and then the whole disk of cracks is machined in a complementary machining mode. Certainly in actual operation, operating personnel still carries out the centre gripping to the position that does not carry out the crack processing through chooseing for use, and of course either kind of mode of above-mentioned, all inconvenient operating personnel carry out the centre gripping to the disc, and present centre gripping mode still exists simultaneously, when carrying out the centre gripping, the inconvenient operation of carrying out the disc centering to when carrying out the clamping of the disc form crack antenna of specification, need relocate at every turn, and then also cause certain influence to machining efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a disc crack antenna machine adds uses anchor clamps to solve above-mentioned prior art not enough, when carrying out disc crack antenna machine and add, conveniently carry out the centre gripping of centering to the disc, and reduced the area that pushes down the working face when the centre gripping, and then avoid adding the machine to the disc and cause the influence.

In order to realize the purpose of the utility model, the following technologies are adopted:

a disc-shaped crack antenna machining clamp comprises a centering mechanism, wherein four clamping mechanisms are arranged on the centering mechanism;

the centering mechanism is provided with an upper disc and a lower disc, the upper disc is provided with a wire sleeve in a downward extending mode, the lower disc is rotatably arranged on the wire sleeve, the upper disc is provided with a deflection mechanism, the deflection mechanism is connected to the lower disc, the clamping mechanisms are slidably arranged on the upper disc, the clamping mechanisms penetrate through the lower disc, the deflection mechanism is used for driving the lower disc to rotate relative to the upper disc so that the clamping mechanisms synchronously move towards the disc-shaped workpiece to enable the clamping mechanisms to clamp the disc-shaped workpiece, and an upper jacking mechanism is arranged in the wire sleeve and acts on the lower end of the disc-shaped workpiece to enable the upper end of the clamping mechanisms to be tightly jacked against the upper wall of the disc-shaped workpiece.

Furthermore, a plurality of extending convex plates are formed on the periphery of the upper plate, supporting cylinders are arranged on the extending convex plates in a downward extending mode, connecting lead screws penetrate through the supporting cylinders, end caps are arranged at the lower ends of the connecting lead screws, tensioning nuts are arranged at the upper ends of the connecting lead screws, and the tensioning nuts are located at the upper ends of the extending convex plates.

Furthermore, four cross-shaped grooves are formed in the upper disc in a circumferential array;

four oblique holes are formed in the lower disc in a circumferential array, the cross-shaped grooves and the oblique holes are in one-to-one correspondence, and the length direction of the oblique holes is parallel to the tangential direction of the lower disc;

the fixture includes the cross shaped plate of wearing in the cross shaped inslot, and the cross shaped plate downwardly extending ground is equipped with lower extending cylinder, and lower extending cylinder wears downthehole in the slant, has worn the dwang in the lower extending cylinder, and the upper end of dwang is extended to extend in the cross shaped plate, and the upper end of dwang is equipped with the centre gripping eccentric rod eccentrically, and the upper end of centre gripping eccentric rod is equipped with the upper limit flange, and cross shaped plate lower extreme is equipped with the twist lock mechanism, and the twist lock mechanism is used for the rotation locking of centre gripping eccentric rod.

Furthermore, the lower end of the rotating rod is provided with a rotating head, and the lower end of the rotating head is provided with a rectangular groove;

the rotary locking mechanism comprises a pair of spring pins which are arranged in a downward extending mode, the lower ends of the spring pins are all sleeved with an upper ejection spring, the upper end of the upper ejection spring is provided with an upper ejection plate, the two ends of the upper ejection plate are all sleeved with the spring pins, the upper ejection plate is provided with a rectangular bolt in an upward extending mode, and the rectangular bolt penetrates through a rectangular groove and is used for locking the rotating rod in a rotating mode.

Further, the deflection mechanism comprises a rotating protrusion arranged on the peripheral side of the upper disc, the rotating protrusion is hinged to a rotating block, an outer wire drawing rod is rotatably arranged on the rotating block, a connecting block is arranged on the outer wire drawing rod, the upper end of the connecting block is hinged to a connecting protrusion, and the connecting protrusion is arranged on the periphery of the lower disc.

Furthermore, the upper ejection mechanism comprises an upper ejection screw rod arranged in the screw sleeve, a rotating cap is arranged at the lower end of the upper ejection screw rod, and an upper ejection disc is rotatably arranged at the upper end of the upper ejection screw rod.

The technical scheme has the advantages that:

compared with the prior art, the utility model discloses conveniently carry out the centering centre gripping of disc, through the mode of this kind of centering centre gripping, conveniently carry out the machine of a plurality of isotatic plate-like crack antennas and add the operation, when carrying out the centre gripping simultaneously, can not only carry on spacingly to week side of disc, can also realize the centre gripping to the disc under the regulation that occupies less push down the area to conveniently carry out the centering operation of disc through week side spacing mode, and through occupying less push down the area, reduce the influence to crack machining, stronger practicality has.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 shows a perspective view of a first embodiment.

Fig. 2 shows an enlarged view at a.

Fig. 3 shows a perspective view of the second embodiment.

Fig. 4 shows an enlarged view at B.

Fig. 5 shows a perspective view of the clamping eccentric rod.

Detailed Description

As shown in fig. 1 to 5, the disc-shaped crack antenna machining clamp comprises a centering mechanism 1, and four clamping mechanisms 2 are arranged on the centering mechanism 1. The centering mechanism 1 is provided with an upper disc 10 and a lower disc 18, the upper disc 10 is provided with a wire sleeve 19 in a downward extending manner, the lower disc 18 is rotatably arranged on the wire sleeve 19, the upper disc 10 is provided with a deflection mechanism, the deflection mechanism is connected to the lower disc 18, the clamping mechanisms 2 are slidably arranged on the upper disc 10, the clamping mechanisms 2 penetrate through the lower disc 18, the deflection mechanism is used for driving the lower disc 18 to rotate relative to the upper disc 10 so as to enable the clamping mechanisms 2 to synchronously move towards the disc-shaped workpiece, so that the clamping mechanisms 2 clamp the disc-shaped workpiece, the wire sleeve 19 is internally provided with an upper jacking mechanism 3, and the upper jacking mechanism 3 acts on the lower end of the disc-shaped workpiece so as to enable the upper end of the clamping mechanism 2 to be tightly propped against the upper wall of the disc-shaped workpiece.

When carrying out first centre gripping, fix hanging wall 10 on the processing mesa of lathe earlier, then place the disc on hanging wall 10, then make fixture 2 be close to the week side of disc through deflection mechanism, operating personnel carries on spacingly through every fixture 2 week side to the disc after that, makes disc upward movement through mechanism 3 that pushes up after spacing to by fixture 2 spacing back, after the centre gripping is accomplished, carry out cracked machine on the disc and add the operation.

The deflection mechanism comprises a rotating bulge 13 arranged on the peripheral side of the upper disc 10, the rotating bulge 13 is hinged with a rotating block 14, an outer tension rod 15 is rotatably arranged on the rotating block 14, a connecting block 16 is arranged on the outer tension rod 15, the upper end of the connecting block 16 is hinged with a connecting bulge 17, and the connecting bulge 17 is arranged on the periphery of the lower disc 18. The periphery of the upper plate 10 is formed with a plurality of overhanging convex plates 11, the overhanging convex plates 11 are all provided with a support cylinder 12 in a downward extending manner, a connecting screw rod is penetrated in the support cylinder 12, the lower end of the connecting screw rod is provided with an end cap, the upper end of the connecting screw rod is provided with a tensioning nut, and the tensioning nut is positioned at the upper end of the overhanging convex plates 11. Four cross-shaped grooves 100 are formed in the upper plate 10 in a circumferential array; four oblique holes 180 are formed in the lower disc 18 in a circumferential array, the cross-shaped grooves 100 and the oblique holes 180 are in one-to-one correspondence, and the length direction of the oblique holes 180 is parallel to the tangential direction of the lower disc 18. The upper plate 10 is conveniently connected and fixed on the working table of the machine tool by the arrangement of the connecting screw rod and the end cap, and the end cap is generally arranged in the T-shaped groove in a penetrating way when being fixed. And wherein the tensioning nut is arranged to urge the support cylinder 12 against the work surface, thereby facilitating the secure attachment of the fixture in this manner.

When the clamping mechanisms 2 move towards the peripheral sides of the discs synchronously, an operator rotates the outer tension rod 15 to increase or decrease the distance between the rotating block 14 and the connecting block 16, the change of the distance between the rotating block and the connecting block causes the lower disc 18 to rotate clockwise or anticlockwise around the axial direction of the lower disc, the rotation of the lower disc 18 causes the inclined hole 180 to act on the lower ends of the clamping mechanisms 2, the clamping mechanisms 2 move inwards along the cross-shaped grooves 100, and finally the peripheral sides of the discs are limited through the clamping mechanisms 2, and the clamping mechanisms 2 perform synchronous inwards movement, so that the accuracy of the clamped positions of the discs can be ensured.

The clamping mechanism 2 comprises a cross-shaped plate 21 penetrating in a cross-shaped groove 100, a lower extension barrel 20 is arranged on the cross-shaped plate 21 in a downward extending mode, the lower extension barrel 20 penetrates in an inclined hole 180, a rotating rod 27 penetrates in the lower extension barrel 20, the upper end of the rotating rod 27 extends out of the cross-shaped plate 21, a clamping eccentric rod 28 is eccentrically arranged at the upper end of the rotating rod 27, an upper limit protruding plate 29 is arranged at the upper end of the clamping eccentric rod 28, a rotary locking mechanism is arranged at the lower end of the cross-shaped plate 21, and the rotary locking mechanism is used for locking the rotation of the clamping eccentric rod 28. The lower end of the rotating rod 27 is provided with a rotating head 26, and the lower end of the rotating head 26 is provided with a rectangular groove; the twist lock mechanism comprises a pair of spring pins 22 which extend downwards, the lower ends of the spring pins 22 are all sleeved with upper ejection springs 23, upper top plates 24 are arranged at the upper ends of the upper ejection springs 23, the two ends of each upper top plate 24 are all sleeved with the spring pins 22, rectangular bolts 25 are arranged on the upper top plates 24 in an extending mode, and the rectangular bolts 25 penetrate through rectangular grooves and are used for rotating and locking the rotating rods 27. The upper ejection mechanism 3 comprises an upper ejection screw rod 30 arranged in the screw sleeve 19, the lower end of the upper ejection screw rod 30 is provided with a rotating cap 31, and the upper end of the upper ejection screw rod 30 is rotatably provided with an upper ejection disc 32.

When clamping the disc, the operator rotates the rotating rod 27 through each rotating head 26, and the rotation of the rotating rod 27 will make the clamping eccentric rod 28 eccentrically rotate, and finally make the outer wall of the clamping eccentric rod 28 act on the outer peripheral side of the disc, and then finally complete the limiting of the peripheral side of the disc, and at the same time can limit the upper wall of the disc through the upper limit convex plate 29 arranged at the upper end of the clamping eccentric rod 28, and wherein the upper limit convex plate 29 only protrudes a little from the clamping eccentric rod 28, so that no influence is caused to the machine after clamping, and after completing the limiting of the peripheral side of the disc through the clamping eccentric rod 28, the rectangular bolt 25 is penetrated in the rectangular groove, thereby completing the limiting of the rotation of the rotating rod 27, and after completing the limiting of the peripheral side, the operator will make the upper top disc 32 move upwards through the rotation of the upper top screw rod 30, and finally fix the disc between the upper top disc 32 and the upper limit convex plate 29.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The additional clamp for the disc-shaped crack antenna is characterized by comprising a centering mechanism (1), wherein four clamping mechanisms (2) are arranged on the centering mechanism (1);

the centering mechanism (1) is provided with an upper disc (10) and a lower disc (18), the upper disc (10) is provided with a wire sleeve (19) in a downward extending mode, the lower disc (18) is rotatably arranged on the wire sleeve (19), the upper disc (10) is provided with a deflection mechanism, the deflection mechanism is connected to the lower disc (18), the clamping mechanisms (2) are slidably arranged on the upper disc (10), the clamping mechanisms (2) penetrate through the lower disc (18), the deflection mechanism is used for driving the lower disc (18) to rotate relative to the upper disc (10) so that the clamping mechanisms (2) synchronously move towards the disc-shaped workpiece to enable the clamping mechanisms (2) to clamp the disc-shaped workpiece, an upper jacking mechanism (3) is arranged in the wire sleeve (19), and the upper jacking mechanism (3) acts on the lower end of the disc-shaped workpiece so that the upper end of the clamping mechanisms (2) is tightly propped against the upper wall of the disc-shaped workpiece.

2. The disc-shaped crack antenna machining clamp as claimed in claim 1, wherein a plurality of overhanging convex plates (11) are formed on the periphery of the upper disc (10), each overhanging convex plate (11) is provided with a support cylinder (12) extending downwards, each support cylinder (12) is internally provided with a connecting screw rod, the lower ends of the connecting screw rods are provided with end caps, the upper ends of the connecting screw rods are provided with tensioning nuts, and the tensioning nuts are positioned at the upper ends of the overhanging convex plates (11).

3. The disc-shaped jig for a split antenna according to claim 1, wherein the upper plate (10) is provided with four cross-shaped grooves (100) in a circumferential array;

four oblique holes (180) are formed in the lower disc (18) in a circumferential array, the cross-shaped grooves (100) are in one-to-one correspondence with the oblique holes (180), and the length direction of the oblique holes (180) is parallel to the tangential direction of the lower disc (18);

fixture (2) is including wearing cross shaped plate (21) in cross-shaped groove (100), cross shaped plate (21) downwardly extending is equipped with down a section of thick bamboo (20), down a section of thick bamboo (20) are worn in slant hole (180), worn dwang (27) in down a section of thick bamboo (20), the upper end of dwang (27) extends in cross shaped plate (21), the upper end of dwang (27) is equipped with centre gripping eccentric rod (28) eccentrically, the upper end of centre gripping eccentric rod (28) is equipped with upper limit flange (29), cross shaped plate (21) lower extreme is equipped with the twist lock mechanism, the twist lock mechanism is used for the rotation locking of centre gripping eccentric rod (28).

4. The disc-shaped crack antenna machining clamp as claimed in claim 3, wherein the lower end of the rotating rod (27) is provided with a rotating head (26), and the lower end of the rotating head (26) is provided with a rectangular groove;

the twist lock mechanism comprises a pair of spring pins (22) which extend downwards, the lower ends of the spring pins (22) are all sleeved with top springs (23), the upper ends of the top springs (23) are provided with top plates (24), the two ends of each top plate (24) are all sleeved with the spring pins (22), the top plates (24) extend upwards to be provided with rectangular bolts (25), and the rectangular bolts (25) penetrate through rectangular grooves and are used for locking the rotation of the rotating rods (27).

5. The disc-shaped crack antenna machining clamp as claimed in claim 1, wherein the deflection mechanism comprises a rotating protrusion (13) arranged on the peripheral side of the upper disc (10), the rotating protrusion (13) is hinged with a rotating block (14), an outer tension rod (15) is rotatably arranged on the rotating block (14), a connecting block (16) is arranged on the outer tension rod (15), the upper end of the connecting block (16) is hinged with a connecting protrusion (17), and the connecting protrusion (17) is arranged on the periphery of the lower disc (18).

6. The disc-shaped crack antenna machining jig as claimed in claim 1, wherein the upper jack mechanism (3) comprises an upper jack screw (30) provided in the screw bushing (19), a rotating cap (31) is provided at a lower end of the upper jack screw (30), and an upper jack disc (32) is rotatably provided at an upper end of the upper jack screw (30).