CN219131569U

CN219131569U - Adjustable fixture for machining tungsten ring

Info

Publication number: CN219131569U
Application number: CN202320049190.0U
Authority: CN
Inventors: 潘钧
Original assignee: Zhuhai Meilixin New Material Co ltd
Current assignee: Zhuhai Meilixin New Material Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-06
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses an adjustable fixture clamp for machining tungsten rings, which comprises a ring-shaped clamp body, wherein an accommodating cavity with an opening at the upper end is formed in the ring-shaped clamp body and used for accommodating the tungsten rings, a gland for the uppermost tungsten ring is arranged on the upper end surface of the ring-shaped clamp body, a positioning ring which is used for being attached to the lowermost tungsten ring is arranged at the lower part in the accommodating cavity, the positioning ring can be adjusted in a vertically moving mode relative to the ring-shaped clamp body, and a plurality of locking assemblies used for locking the positioning ring and preventing the positioning ring from moving up and down are arranged on the ring-shaped clamp body along the circumferential array of the ring-shaped clamp body. The utility model changes the interval between the upper end surface of the positioning ring and the lower end surface of the gland by adjusting the upper and lower positions of the positioning ring, wherein the interval is the depth of the accommodating cavity, and the depth determines the total thickness of a plurality of sequentially overlapped tungsten rings, so that the defect that the same number of tungsten rings can only be fixed in uniform thickness can be effectively overcome, and various processing requirements can be met.

Description

Adjustable fixture for machining tungsten ring

Technical Field

The utility model relates to an adjustable fixture for machining a tungsten ring.

Background

The prior art is like chinese patent document, and the bulletin number is CN217071639U, discloses a multifunctional clamp for tungsten ring grooving, including the anchor clamps body, be equipped with the appearance chamber that the upper end opening is used for holding the tungsten ring in the anchor clamps body, hold and be equipped with upwards run through on the inner wall in chamber the annular groove of anchor clamps body, be equipped with on the anchor clamps body and pressfitting be in gland on the tungsten ring up end, the annular inslot has the support ring, hold the intracavity be equipped with the locating component that the tungsten ring was fixed a position. During normal processing, the supporting rings and the positioning components are not needed, a plurality of tungsten rings are stacked and placed in the annular groove, and then the gland and the clamp body are connected and pressed on the uppermost tungsten ring. When the cutter is damaged for secondary processing, the gland is required to be opened, all tungsten rings are taken out, then the tungsten rings are put into the supporting ring, one tungsten ring is put into the supporting ring, the processed tungsten rings are positioned through the positioning assembly, then the gland is covered, and then the positioning assembly is taken out for processing.

Based on the above, in the prior art, the supporting effect on the tungsten ring is achieved through the annular groove in the clamp body. When the tungsten ring is assembled, the tungsten ring is placed into the accommodating cavity one by one from top to bottom, the lower end face of the lowest tungsten ring is attached to the bottom of the annular groove, then the tungsten ring is sequentially overlapped upwards until the whole group of tungsten rings are installed into the accommodating cavity, and then the gland is assembled on the clamp body.

Based on the clamp structure, the depth of the annular groove, namely the depth of the containing cavity, is fixed and cannot be adjusted. This results in an inability to adjust the depth of the annular groove when machining tungsten rings of the same diameter and different thickness, resulting in a mismatch in the depths of the superimposed tungsten rings and annular grooves. The tungsten rings with different thicknesses cannot be subjected to superposition fixing processing.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a fixture capable of solving the problem that the depth of the existing cavity cannot be adjusted so as to meet the requirements of machining tungsten rings with different numbers and thicknesses.

According to the frock clamp for tungsten ring processing with adjustable this purpose design, including ring type anchor clamps body, be equipped with the upper end opening in the ring type anchor clamps body and set up, be used for placing tungsten ring hold the chamber, be equipped with the gland that is used for a tungsten ring of top on the up end of ring type anchor clamps body, hold the intracavity lower part be equipped with be used for with a tungsten ring of below laminating mutually the holding ring, the holding ring can relative ring type anchor clamps body reciprocates the regulation, be provided with a plurality of locking assemblies that are used for locking the holding ring, in order to prevent its reciprocates along its circumference array on the ring type anchor clamps body.

Preferably, a guide groove penetrating through the annular clamp body internally and externally is formed in the peripheral wall of the annular clamp body at a position corresponding to the locking assembly, a locking rack is arranged at a position, corresponding to the guide groove, of the positioning ring, the locking rack is arranged in the guide groove, the locking rack can move up and down relative to the guide groove, and the locking assembly is meshed with the locking rack.

Preferably, the locking assembly comprises a movable rack which is arranged in the guide groove and is meshed with the locking rack, guide blocks are arranged at the upper end and the lower end of the movable rack, sliding grooves which penetrate through the annular clamp body inside and outside are formed in the upper side wall surface and the lower side wall surface of the guide groove, the guide blocks are movably arranged in the sliding grooves, guide frames are fixedly arranged on the annular clamp body outside the guide groove, guide holes are formed in the guide frames, guide rods which are movably inserted into the guide holes are arranged on the movable rack, tension springs are sleeved on the guide rods, one ends of the tension springs are fixedly connected with the guide frames, the other ends of the tension springs are fixedly connected with the movable rack, threaded holes are formed in the guide frames, and locking bolts which are used for tightly pushing the movable rack and enabling the movable rack to be meshed with the locking rack are in threaded connection with the threaded holes.

Preferably, the guide frame is fixedly mounted on the outer peripheral wall of the annular clamp body by welding or using a fastener.

Preferably, the connecting ring which extends downwards and is attached to the outer wall of the annular clamp body is arranged on the outer wall of the gland, the inner wall of the connecting ring is in threaded connection with the outer wall of the annular clamp body, a plurality of threaded locking holes are formed in the connecting ring along the circumferential array of the connecting ring, and locking bolts used for propping up the outer wall of the annular clamp body are in threaded connection in the threaded locking holes.

Preferably, a handle for driving the positioning ring to move up and down is arranged at the upper part of the positioning ring.

Preferably, a mounting ring used for being fixed on the machine table is arranged on the outer wall of the lower portion of the annular clamp body, and a mounting hole is formed in the mounting ring.

Compared with the prior art, the ring-shaped clamp comprises a ring-shaped clamp body, wherein an upper end opening is arranged in the ring-shaped clamp body, the ring-shaped clamp body is internally provided with a cavity for accommodating the tungsten ring, the upper end surface of the ring-shaped clamp body is provided with a gland for the uppermost tungsten ring, the lower part in the cavity is provided with a positioning ring which is used for being attached to the lowermost tungsten ring, the positioning ring can be adjusted in a vertical moving mode relative to the ring-shaped clamp body, and a plurality of locking assemblies for locking the positioning ring and preventing the positioning ring from moving up and down are arranged on the ring-shaped clamp body along the circumferential array of the ring-shaped clamp body. The utility model changes the interval between the upper end surface of the positioning ring and the lower end surface of the gland by adjusting the upper and lower positions of the positioning ring, wherein the interval is the depth of the accommodating cavity, and the depth determines the total thickness of a plurality of sequentially overlapped tungsten rings, so that the defect that the same number of tungsten rings can only be fixed in uniform thickness can be effectively overcome, and various processing requirements can be met.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic perspective view of a locking assembly according to the present utility model;

FIG. 5 is a schematic view of an exploded cross-sectional structure of the present utility model;

fig. 6 is a schematic view of an exploded structure of the present utility model.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1-6, an adjustable fixture for machining tungsten rings comprises a ring fixture body 10, a cavity 100 with an opening at the upper end and used for placing a tungsten ring 20 is arranged in the ring fixture body 10, a gland 30 used for the uppermost tungsten ring 20 is arranged on the upper end surface of the ring fixture body 10, a positioning ring 40 used for being attached to the lowermost tungsten ring 20 is arranged at the lower part in the cavity 100, the positioning ring 40 can be adjusted in a vertically moving manner relative to the ring fixture body 10, and a plurality of locking assemblies 50 used for locking the positioning ring 40 and preventing the positioning ring from moving up and down are arranged on the ring fixture body 10 along a circumferential array thereof.

The utility model changes the interval between the upper end surface of the positioning ring and the lower end surface of the gland by adjusting the upper and lower positions of the positioning ring, wherein the interval is the depth of the accommodating cavity, and the depth determines the total thickness of a plurality of sequentially overlapped tungsten rings, so that the defect that the same number of tungsten rings can only be fixed in uniform thickness can be effectively overcome, and various processing requirements can be met.

As shown in fig. 2, in actual processing, a plurality of tungsten rings 20 are sequentially stacked in the annular clamping body 10 of the gland 30 and the retainer ring 40.

Referring to fig. 3 to 5, a guide groove 110 penetrating the ring-shaped clamp body 10 is formed in a peripheral wall of the ring-shaped clamp body 10 at a position corresponding to the locking assembly 50, a locking rack 410 is formed in a position of the positioning ring 40 corresponding to the guide groove 110, the locking rack 410 is disposed in the guide groove 110, the locking rack 410 can move up and down relative to the guide groove 110, and the locking assembly 50 is meshed with the locking rack 410.

The locking assembly 50 comprises a movable rack 530 which is arranged in the guide groove 110 and is meshed with the locking rack 410, guide blocks 531 are arranged at the upper end and the lower end of the movable rack 530, sliding grooves 120 which penetrate through the annular clamp body 10 inside and outside are arranged on the upper side wall surface and the lower side wall surface of the guide groove 110, the guide blocks 531 are movably arranged in the sliding grooves 120, a guide frame 510 is fixedly arranged on the annular clamp body 10 outside the guide groove 110, a guide hole 512 is formed in the guide frame 510, a guide rod 540 which is movably inserted into the guide hole 512 is arranged on the movable rack 530, a tension spring 550 is sleeved on the guide rod 540, one end of the tension spring 550 is fixedly connected with the guide frame 510, the other end of the tension spring is fixedly connected with the movable rack 530, threaded holes 511 are formed in the guide frame 510, and locking bolts 560 which are used for tightly pushing the movable rack 530 and enabling the movable rack to be meshed with the locking rack 410 are in a threaded manner.

The principle of the locking is that the lock ring 40 cannot move up and down with respect to the ring type clamp body 10 in this state by the movable rack 530 which can move only inward or outward being engaged with the lock rack 410 when moving inward. When the movable rack 530 is moved to the outside, the movable rack 530 is separated from the locking rack 410, and in this state, the movable rack 530 is engaged and locked in contact, and the locking rack 410 can move up and down in the guide groove 110, so that the positioning ring 40 can move up and down with respect to the ring-shaped jig body 10, thereby achieving position adjustment.

The tension spring 550 is used for driving the moving rack 530 to move outwards when the locking bolt 560 withdraws outwards, so that the locking rack 410 is separated from the moving rack 530 to release the locking.

In the present utility model, the outer wall of the positioning ring 40 is attached to the inner wall of the cavity 100, and the locking rack 410 may be fixed by a post-assembly method due to this limitation, that is, the positioning ring 40 is fixed to the outer wall of the positioning ring 40 by welding or screws after being mounted in the cavity 100. The screw fixing manner needs to be that a through hole is formed in the locking rack 410 and a threaded connection hole is formed in the outer wall of the positioning ring 40, and the screw penetrates through the through hole to be in threaded connection and fixing with the threaded connection hole.

In the present utility model, the guide frame 510 is fixedly installed on the outer circumferential wall of the ring-shaped jig body 10 by welding or using a fastener.

Referring to fig. 2, the outer wall of the gland 30 is provided with a connecting ring 310 that extends downward to be attached to the outer wall of the ring-shaped clamp body 10, the inner wall of the connecting ring 310 is in threaded connection with the outer wall of the ring-shaped clamp body 10, the connecting ring 310 is provided with a plurality of threaded locking holes 320 along a circumferential array thereof, and locking bolts for pushing against the outer wall of the ring-shaped clamp body 10 are in threaded connection with the threaded locking holes 320. The gland 30 is screwed down to the uppermost tungsten ring 20 by a threaded connection, and a locking bolt is used, and a knob thereof can further fix the gland 30 on the ring-shaped clamp body 10.

Referring to fig. 5, a handle 420 for driving the positioning ring 40 to move up and down is provided at an upper portion of the positioning ring 40. The handle 420 is provided to facilitate manual gripping to adjust the up and down position thereof by driving the positioning ring 40 by an external force.

Referring to fig. 6, a mounting ring 130 for fixing on a machine is provided on the lower outer wall of the ring-shaped jig body 10, and a mounting hole 140 is provided on the mounting ring 130.

What is not described in detail in this specification is prior art known to those skilled in the art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying the number of technical features being indicated.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Work fixture for tungsten ring processing with adjustable, including annular anchor clamps body (10), be equipped with upper end opening setting in annular anchor clamps body (10), be used for placing holding chamber (100) of tungsten ring (20), be equipped with gland (30) that are used for a tungsten ring (20) of top on the up end of annular anchor clamps body (10), its characterized in that: the lower part is equipped with the holding ring (40) that is used for laminating with a tungsten ring (20) of lowermost in holding chamber (100), holding ring (40) can be relative ring type anchor clamps body (10) reciprocates and adjusts, be provided with a plurality of locking subassembly (50) that are used for locking holding ring (40) along its circumference array on ring type anchor clamps body (10) to prevent its reciprocates.

2. The adjustable fixture for machining a tungsten ring according to claim 1, wherein: the ring-shaped clamp comprises a ring-shaped clamp body (10), wherein a guide groove (110) penetrating through the ring-shaped clamp body (10) is formed in the position, corresponding to the locking assembly (50), of the peripheral wall of the ring-shaped clamp body (10), a locking rack (410) is arranged in the position, corresponding to the guide groove (110), of the positioning ring (40), the locking rack (410) is arranged in the guide groove (110), the locking rack (410) can move up and down relative to the guide groove (110), and the locking assembly (50) is meshed with the locking rack (410).

3. The adjustable fixture for machining tungsten rings according to claim 2, wherein: the locking assembly (50) comprises a movable rack (530) which is arranged in a guide groove (110) and is meshed with the locking rack (410), guide blocks (531) are arranged at the upper end and the lower end of the movable rack (530), sliding grooves (120) which penetrate through an annular clamp body (10) inside and outside are arranged on the upper side wall surface and the lower side wall surface of the guide groove (110), the guide blocks (531) are movably arranged in the sliding grooves (120), guide frames (510) are fixedly arranged on the annular clamp body (10) outside the guide groove (110), guide holes (512) are formed in the guide frames (510), guide rods (540) which are movably inserted into the guide holes (512) are arranged on the movable rack (530), tension springs (550) are sleeved on the guide rods (540), one ends of the tension springs (550) are fixedly connected with the guide frames (510), the other ends of the tension springs are fixedly connected with the movable rack (530), threaded holes (511) are formed in the guide frames (510), and the threaded holes (511) are fixedly connected with the annular clamp body (10) outside the guide frames, and are used for locking the movable rack (560), and the movable rack (560) are tightly meshed with the guide rods (410).

4. The adjustable fixture for machining a tungsten ring according to claim 3, wherein: the guide frame (510) is fixedly arranged on the outer peripheral wall of the annular clamp body (10) by welding or using a fastener.

5. An adjustable tooling fixture for machining tungsten rings according to any one of claims 1 to 4, wherein: the gland (30) is characterized in that a connecting ring (310) which downwards extends to be attached to the outer wall of the annular clamp body (10) is arranged on the outer wall of the gland, the inner wall of the connecting ring (310) is in threaded connection with the outer wall of the annular clamp body (10), a plurality of threaded locking holes (320) are formed in the connecting ring (310) along the circumferential array of the connecting ring, and locking bolts used for propping up the outer wall of the annular clamp body (10) are connected in the threaded locking holes (320) in a threaded mode.

6. An adjustable tooling fixture for machining tungsten rings according to any one of claims 1 to 4, wherein: the upper part of the positioning ring (40) is provided with a handle (420) for driving the positioning ring (40) to move up and down.

7. An adjustable tooling fixture for machining tungsten rings according to any one of claims 1 to 4, wherein: the annular clamp is characterized in that a mounting ring (130) used for being fixed on a machine table is arranged on the outer wall of the lower portion of the annular clamp body (10), and a mounting hole (140) is formed in the mounting ring (130).