CN221210821U

CN221210821U - Mechanical seal overturning cutting jig

Info

Publication number: CN221210821U
Application number: CN202323291425.6U
Authority: CN
Inventors: 王新
Original assignee: Zhangjiagang Huican Fluid Machinery Co ltd
Current assignee: Zhangjiagang Huican Fluid Machinery Co ltd
Priority date: 2023-12-04
Filing date: 2023-12-04
Publication date: 2024-06-25
Anticipated expiration: 2033-12-04

Abstract

The utility model discloses a mechanical seal overturning cutting jig which comprises a base, wherein a first vertical plate is fixedly connected to the front side of the upper end of the base, a rotating shaft is rotatably connected to the inner side of a through hole, a mechanical seal clamp is fixedly connected to the front end of the rotating shaft, a gear is fixedly connected to the rear end of the rotating shaft, a rack is fixedly connected to the front side of the lower end of a nut pair, the mechanical seal clamp comprises a connecting frame, first threaded holes are formed in the left end and the right end of the connecting frame, a threaded rod is connected to the inner side of the first threaded holes in a threaded manner, a moving rod is fixedly connected to the left end of the threaded rod, an arc plate is fixedly connected to the front end of the moving rod, a second threaded hole is formed in the right end of a fixing block, and a nut is connected to the inner side of the second threaded hole in a threaded manner. In the utility model, the meshing transmission between the gear and the rack realizes the overturning of the jig, and the arc plate is fixedly clamped by the rotating threaded rod under the auxiliary action of the nut.

Description

Mechanical seal overturning cutting jig

Technical Field

The utility model relates to the technical field of overturning jigs, in particular to a mechanical seal overturning cutting jig.

Background

The mechanical seal, also called end face seal, is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotation axis and keeping fit and relatively sliding under the action of fluid pressure and elasticity (or magnetic force) of a compensation mechanism and the cooperation of auxiliary seals, and is a shaft seal device of a rotary machine, and a mechanical seal cutting tool needs to be provided when the shaft seal device is used for cutting.

The tool is used for carrying out auxiliary fixed centre gripping to the work piece, and in the in-process of carrying out cutting to mechanical seal, mechanical seal's cutting tool is generally single carries out the centre gripping to mechanical seal of same angle fixedly, consequently needs manual change processing angle with mechanical seal removal when needing to process other angles, and cutting efficiency is not high, and mechanical seal is shaft seal structure in addition, so general tool can lead to mechanical seal position skew because of the effect of cutting machine when carrying out centre gripping processing to it, influences its machining precision.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a mechanical seal overturning cutting jig.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a mechanical seal upset cutting tool, includes the base, base upper end front side fixedly connected with first riser, be provided with the through-hole in the middle of the first riser front end, the inboard rotation of through-hole is connected with the rotation axis, rotation axis front end fixedly connected with mechanical seal anchor clamps, rotation axis rear end fixedly connected with gear, base upper end rear side fixedly connected with second riser, fixedly connected with slide rail in the middle of the second riser front end, slide rail right-hand member fixedly connected with motor, motor output fixedly connected with lead screw, lead screw upper end screw thread connection has nut pair, nut pair lower extreme front side fixedly connected with rack, mechanical seal anchor clamps include the link, both ends are provided with first screw hole about the link, the inboard screw thread connection of first screw hole has the threaded rod, left end fixedly connected with movable rod, movable rod front end fixedly connected with arc board, arc board front end fixedly connected with fixed block, the fixed block right-hand member is provided with second inboard screw hole, second screw hole threaded connection has nut pair.

As a further description of the above technical solution:

the screw rod is rotationally connected with the inner side of the sliding rail, and the nut pair is rotationally connected with the inner side of the sliding rail.

As a further description of the above technical solution:

Bearings are fixedly connected to the front end and the rear end of the through hole, and the bearings are fixedly connected with the rotating shaft.

As a further description of the above technical solution:

The upper end of the gear is connected with the lower end of the rack in a meshed manner, and the rear end of the connecting frame is fixedly connected with the front end of the rotating shaft.

As a further description of the above technical solution:

the front end of the connecting frame is provided with a chute, and the inner side of the chute is in sliding connection with the movable rod.

As a further description of the above technical solution:

The left end of the nut is in rotary fit with the left second threaded hole.

As a further description of the above technical solution:

The two threaded rods are in axisymmetric structures on the connecting frame, and the two arc plates are in axisymmetric structures.

As a further description of the above technical solution:

the left end of the arc plate is fixedly connected with an anti-slip pad which is made of rubber.

The utility model has the following beneficial effects:

1. According to the utility model, the nut pair is driven to move left and right in the sliding rail by the motor, the rotary shaft is rotated by utilizing the meshing transmission between the rack and the gear, and the mechanical seal clamp is driven to overturn, so that the mechanical seal is ensured to be cut more comprehensively, and the speed and the efficiency are high.

2. According to the utility model, the threaded rod is rotated in the mechanical seal clamp, so that the movable rod drives the arc plate to move left and right, the mechanical seal is fixedly clamped under the auxiliary effect of the nut, the position of the mechanical seal is ensured not to move in the process of overturning and cutting, and the cutting precision is ensured.

Drawings

Fig. 1 is a perspective view of a mechanical seal turning cutting jig provided by the utility model;

FIG. 2 is an exploded view of a mechanical seal turning tool according to the present utility model;

Fig. 3 is a schematic diagram of a mechanical seal fixture of the mechanical seal turning cutting fixture provided by the utility model.

Legend description:

1. A base; 2. a first vertical plate; 3. a through hole; 4. a rotation shaft; 5. a mechanical seal clamp; 6. a gear; 7. a second vertical plate; 8. a slide rail; 9. a motor; 10. a screw rod; 11. a nut pair; 12. a rack; 13. a bearing; 14. a connecting frame; 15. a first threaded hole; 16. a threaded rod; 17. a moving rod; 18. a chute; 19. an arc plate; 20. a fixed block; 21. a second threaded hole; 22. a nut; 23. an anti-slip gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the mechanical seal overturning cutting jig comprises a base 1, a first vertical plate 2 is fixedly connected to the front side of the upper end of the base 1, a through hole 3 is formed in the middle of the front end of the first vertical plate 2, a rotary shaft 4 is rotatably connected to the inner side of the through hole 3, a mechanical seal clamp 5 is fixedly connected to the front end of the rotary shaft 4, a gear 6 is fixedly connected to the rear end of the rotary shaft 4, a second vertical plate 7 is fixedly connected to the rear side of the upper end of the base 1, a sliding rail 8 is fixedly connected to the middle of the front end of the second vertical plate 7, a motor 9 is fixedly connected to the right end of the sliding rail 8, a screw rod 10 is fixedly connected to the output end of the motor 9, a nut pair 11 is in threaded connection with the upper end of the screw rod 10, a rack 12 is fixedly connected to the front side of the lower end of the nut pair 11, the motor 9 is turned on, the screw rod 10 fixedly connected to the output end of the motor 9 is driven to rotate when the motor 9 works, the nut pair 11 in threaded connection with the screw rod 10 moves left and right in the sliding rail 8, the rack 12 at the lower end of the mechanical sealing clamp is also moved left and right, the gear 6 is rotated by utilizing the meshing connection between the gear 6 and the rack 12, so that the rotating shaft 4 drives the mechanical sealing clamp 5 to rotate, the effect of overturning the cutting clamp is achieved, the mechanical sealing clamp 5 comprises a connecting frame 14, the left end and the right end of the connecting frame 14 are provided with first threaded holes 15, the inner side of the first threaded holes 15 is in threaded connection with threaded rods 16, the left end of each threaded rod 16 is fixedly connected with a movable rod 17, the front end of each movable rod 17 is fixedly connected with an arc plate 19, the front end of each arc plate 19 is fixedly connected with a fixed block 20, the right end of each fixed block 20 is provided with a second threaded hole 21, the inner side of each second threaded hole 21 is in threaded connection with a nut 22, the mechanical sealing is placed between the two arc plates 19 of the mechanical sealing clamp 5, the threaded rods 16 are rotated in the first threaded holes 15 to enable the movable rods 17 to move in the sliding grooves 18, and the arc plates 19 are driven to be close to the mechanical sealing, the arc plate 19 is fixed by the rotary fit between the nut 22 and the second threaded hole 21, thereby realizing the clamping of the mechanical seal.

The screw rod 10 is rotationally connected with the inner side of the sliding rail 8, the nut pair 11 is rotationally connected with the inner side of the sliding rail 8, the front end and the rear end of the through hole 3 are fixedly connected with the bearing 13, the bearing 13 is fixedly connected with the rotating shaft 4, the rotation of the rotating shaft 4 is assisted, the upper end of the gear 6 is in meshed connection with the lower end of the rack 12, the gear 6 is rotated through meshed transmission, the rear end of the connecting frame 14 is fixedly connected with the front end of the rotating shaft 4, the front end of the connecting frame 14 is provided with a sliding groove 18, the inner side of the sliding groove 18 is in sliding connection with the moving rod 17, and the left end of the nut 22 is in rotary fit with the left second threaded hole 21. The two threaded rods 16 are in axisymmetric structures on the connecting frame 14, the two arc plates 19 are in axisymmetric structures, the left ends of the arc plates 19 are fixedly connected with anti-slip pads 23, the anti-slip pads 23 are made of rubber, friction between the mechanical seal and the mechanical seal clamp 5 is increased, and the mechanical seal position is prevented from moving during cutting.

Working principle: the mechanical seal is placed between two arc plates 19 of the mechanical seal clamp 5, the threaded rod 16 rotates in the first threaded hole 15 to enable the moving rod 17 to move in the sliding groove 18, the arc plates 19 are driven to be close to the mechanical seal, the arc plates 19 are fixed by utilizing the rotary fit between the nuts 22 and the second threaded holes 21, so that the mechanical seal is clamped, the motor 9 is turned on, the screw rod 10 fixedly connected with the output end of the motor 9 is driven to rotate during the working process, the nut pair 11 in threaded connection with the screw rod 10 moves left and right in the sliding rail 8, the rack 12 at the lower end of the screw rod moves left and right, the gear 6 is rotated by utilizing the meshing connection between the gear 6 and the rack 12, and the rotary shaft 4 drives the mechanical seal clamp 5 to rotate, so that the effect of overturning the cutting tool is achieved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a mechanical seal upset cutting tool, includes base (1), its characterized in that: the utility model discloses a base, including base (1), first riser (2) of front end fixedly connected with, be provided with through-hole (3) in the middle of first riser (2) front end, through-hole (3) inboard rotation connection has rotation axis (4), rotation axis (4) front end fixedly connected with mechanical seal anchor clamps (5), rotation axis (4) rear end fixedly connected with gear (6), base (1) upper end rear side fixedly connected with second riser (7), fixedly connected with slide rail (8) in the middle of second riser (7) front end, slide rail (8) right-hand member fixedly connected with motor (9), motor (9) output fixedly connected with lead screw (10), screw rod (10) upper end threaded connection has nut pair (11), nut pair (11) lower extreme front side fixedly connected with rack (12), mechanical seal anchor clamps (5) are including link (14), both ends are provided with first screw hole (15) about link (14), first screw hole (15) inboard threaded connection has threaded rod (16), threaded rod (16) left end fixedly connected with movable rod (17), movable rod (17) front end fixedly connected with arc board (19), arc board (19) front end fixedly connected with fixed block (20), the right end of the fixed block (20) is provided with a second threaded hole (21), and the inner side of the second threaded hole (21) is in threaded connection with a nut (22).

2. The mechanical seal turning cutting jig according to claim 1, wherein: the screw rod (10) is rotationally connected with the inner side of the sliding rail (8), and the nut pair (11) is rotationally connected with the inner side of the sliding rail (8).

3. The mechanical seal turning cutting jig according to claim 1, wherein: bearings (13) are fixedly connected to the front end and the rear end of the through hole (3), and the bearings (13) are fixedly connected with the rotating shaft (4).

4. The mechanical seal turning cutting jig according to claim 1, wherein: the upper end of the gear (6) is connected with the lower end of the rack (12) in a meshed manner, and the rear end of the connecting frame (14) is fixedly connected with the front end of the rotating shaft (4).

5. The mechanical seal turning cutting jig according to claim 1, wherein: the front end of the connecting frame (14) is provided with a chute (18), and the inner side of the chute (18) is in sliding connection with the movable rod (17).

6. The mechanical seal turning cutting jig according to claim 1, wherein: the left end of the nut (22) is in rotary fit with the left second threaded hole (21).

7. The mechanical seal turning cutting jig according to claim 1, wherein: the two threaded rods (16) are in axisymmetric structures on the connecting frame (14), and the two arc plates (19) are in axisymmetric structures.

8. The mechanical seal turning cutting jig according to claim 1, wherein: the left end of the arc plate (19) is fixedly connected with an anti-slip pad (23), and the anti-slip pad (23) is made of rubber.