CN220113066U - Positioning device for polishing mechanical sealing piece - Google Patents

Abstract

The utility model relates to the technical field of polishing equipment, in particular to a positioning device for polishing a mechanical sealing element, which comprises positioning plates, rotating shafts and clamping plates, wherein a plurality of positioning grooves are formed in the bottom ends of two sides of each positioning plate, the intervals between the positioning grooves correspond to mounting holes in a workbench, the positioning grooves are matched with the mounting holes in the workbench through a plurality of cylindrical blocks, a penetrating chute is formed in one end, far away from the positioning grooves, of each positioning plate, a fixed block is arranged on the central end face of each chute, a through hole is formed in the center of each fixed block, and each rotating shaft is sleeved in each through hole through a bearing. According to the utility model, the positioning grooves corresponding to the positioning holes on the workbench are arranged at the two ends of the positioning block, the positioning grooves at the two ends are connected with the positioning holes by using the plurality of cylindrical blocks, and the positioning block can be fixed at different positions of the workbench by selecting different positioning holes, so that the sealing element and the polishing device are ensured to be positioned at correct relative positions.

Description

Positioning device for polishing mechanical sealing piece

Technical Field

The utility model relates to the technical field of polishing equipment, in particular to a positioning device for polishing a mechanical sealing element.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by keeping the sealing element in contact and sliding relatively under the action of elasticity or magnetic force and the cooperation of an auxiliary sealing rubber ring, and the sealing element is required to be polished in the production process of the sealing element in order to achieve a good sealing effect.

The prior art has the following defects in the using process:

1. in the prior art, the positioning device generally adopts a positioning pin to embed steel balls to press the inner wall of the mounting hole of the clamp under the force to realize the fixing clamp, the positioning pin is mainly used for CNC, precision machining and other occasions, the positioning pin is adopted for positioning, the cost is too high, and a specific tool is required to be used during mounting or dismounting, so that the efficiency is affected;

2. the positioning device in the prior art cannot clamp the sealing element while positioning, and a clamp is needed to be used, so that the clamp occupies the space of the workbench.

In view of this, we propose a positioning device for polishing mechanical seals to solve the existing problems.

Disclosure of Invention

The utility model aims to provide a positioning device for polishing a mechanical sealing element, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mechanical seal polishing is with positioner, includes locating plate, pivot and grip block, locating plate both sides bottom is equipped with a plurality of constant head tanks, and the interval corresponds with the mounting hole on the workstation between the constant head tank, the constant head tank passes through a plurality of cylinder piece and the cooperation of mounting hole on the workstation, above-mentioned locating plate is kept away from and is equipped with the spout that runs through on the one end of constant head tank, spout center terminal surface is equipped with the fixed block, and the fixed block center is equipped with the through-hole, the pivot passes through the bearing housing in the through-hole, and pivot one end is equipped with first screw thread, pivot is kept away from first screw thread one end and is equipped with the second screw thread, the slider is installed at the spout both ends, just slider geometric center is equipped with the through-hole, and installs the axle sleeve in the through-hole, the axle sleeve passes slider through-hole through the bolt fastening, the axle center is equipped with the screw hole, the screw hole respectively with first screw thread, second screw thread cooperation, first screw thread and second screw thread symmetry.

Preferably, handles are arranged at two ends of the rotating shaft, limiting grooves are formed in two ends of the center of the rotating shaft, and clamping rings are arranged on the limiting grooves.

Preferably, the locating block is installed to the slider upper end, and the locating block is V type structure, the fixed block upper end is equipped with the mounting panel, the mounting panel passes through the bolt and is connected with the locating block terminal surface, and the mounting panel is in the locating block below.

Preferably, the diameter of the through hole of the sliding block is larger than that of the rotating shaft.

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

1. according to the utility model, the positioning grooves corresponding to the positioning holes on the workbench are arranged at the two ends of the positioning block, the positioning grooves at the two ends are connected with the positioning holes by using the plurality of cylindrical blocks, and the positioning block can be fixed at different positions of the workbench by selecting different positioning holes, so that the sealing element and the polishing device are ensured to be positioned at correct relative positions.

2. According to the utility model, the sliding grooves are formed in the positioning blocks, the symmetrical rotating shafts are arranged at the two ends of the sliding grooves, the rotating shafts and the shaft sleeves are matched to push the sliding blocks to move in the sliding grooves, and the clamping structures are arranged above the sliding blocks, so that the clamping effect is realized.

Drawings

FIG. 1 is an exploded schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of the positioning block part structure of the present utility model;

fig. 3 is a schematic structural diagram of a rotating shaft part according to the present utility model.

In the figure: 1. a positioning plate; 2. a work table; 3. a slide block; 4. a rotating shaft; 5. a shaft sleeve; 6. a clamping plate; 7. placing a plate; 8. a cylindrical block; 11. a chute; 12. a positioning groove; 13. a fixed block; 31. a first thread; 32. a second thread; 33. a limit groove; 34. a handle.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, 2 and 3, the positioning device for polishing mechanical sealing elements provided by the utility model comprises a positioning plate 1, a rotating shaft 4 and a clamping plate 6, wherein a plurality of positioning grooves 12 are arranged at the bottom ends of two sides of the positioning plate 1, the intervals between the positioning grooves 12 correspond to mounting holes on a workbench 2, the positioning grooves 12 are matched with the mounting holes on the workbench 2 through a plurality of cylindrical blocks 8, a through chute 11 is arranged at one end of the upper positioning plate 1 far away from the positioning grooves 12, a fixed block 13 is arranged at the central end surface of the chute 11, a through hole is arranged at the center of the fixed block 13, a rotating shaft 4 is sleeved in the through hole through a bearing, a first thread 31 is arranged at one end of the rotating shaft 4, a second thread 32 is arranged at one end of the rotating shaft 4 far away from the first thread 31, sliding blocks 3 are arranged at two ends of the chute 11, through holes are arranged at the geometric centers of the sliding blocks 3, shaft sleeves 5 are arranged in the through holes, the shaft sleeve 5 is fixed at one end of the sliding block 3 through bolts, the rotating shaft 4 passes through the through hole of the sliding block 3, the center of the shaft sleeve 5 is provided with a threaded hole, the threaded holes are respectively matched with the first thread 31 and the second thread 32, the first thread 31 and the second thread 32 are symmetrical, the positioning grooves 12 at two ends are connected with the positioning holes through a plurality of cylindrical blocks 8, the positioning blocks can be fixed at different positions of the workbench 2 by selecting different positioning holes, the sealing element and the polishing device are ensured to be at the correct relative positions, the rotating shaft 4 is rotated, the shaft sleeves 5 at two ends are matched with the first thread 31 and the second thread 32, the symmetrical first thread 31 and the second thread 32 are arranged, the shaft sleeves 5 at two ends synchronously move towards the direction of the fixed block 13 or far away from the fixed block 13, the shaft sleeve 5 moves along the direction of the threads, the sliding block 3 is pushed to drive the clamping plate 6 to move to clamp the sealing element placed on the placing plate 7, rotating the shaft 4 in the opposite direction releases the seal.

Further, handle 34 is installed at pivot 4 both ends, and the both ends at pivot 4 center are equipped with spacing groove 33, installs the snap ring on the spacing groove 33, drives pivot 4 rotation through setting up handle 34, and it is more laborsaving to use, restricts pivot 4 in fixed block 13 through the snap ring of installing on spacing groove 33, is preventing that pivot 4 from droing.

Further, the clamping plate 6 is installed to slider 3 upper end, and clamping plate 6 is V type structure, and fixed block 13 upper end is equipped with places board 7, and clamping plate 6 passes through the bolt and is connected with locating plate 1 terminal surface, and places board 7 in clamping plate 6 below, through placing the sealing member on placing board 7 terminal surfaces, clamping plate 6 carries out the centre gripping or release under slider 3 drives.

Further, the diameter of the through hole of the sliding block 3 is larger than the diameter of the rotating shaft 4, and the diameter of the through hole of the sliding block 3 is larger than the diameter of the rotating shaft 4, so that when the rotating shaft 4 rotates, interference between the first screw thread 31 and the second screw thread 32 and the sliding block 3 can not be generated.

The working principle of the positioning device for polishing the mechanical sealing element based on the first embodiment is as follows: the positioning grooves 12 at two ends are connected with the positioning holes on the workbench 2 through a plurality of cylindrical blocks 8, the positioning plate 1 is selectively installed at the corresponding position of the workbench 2 through the relative position between the sealing element and the polishing device, a through chute 11 is formed in one end of the positioning plate 1, a fixed block 13 is arranged in the center of the chute 11, a through hole is formed in the center of the fixed block 13, a rotating shaft 4 is sleeved in the through hole through a bearing, the end faces of the bearing are in abutting connection with the end faces of a clamping ring installed on a limiting groove 33, handles 34 are installed at two ends of the rotating shaft 4, a placing plate 7 capable of placing the sealing element is installed at the upper end of the positioning plate 1, the sealing element is installed on the placing plate 7, the rotating handles 34 drive the rotating shaft 4 to rotate, shaft sleeves 5 at two ends of the rotating shaft 4 are matched with first threads 31 and second threads 32, the shaft sleeves 5 move along the directions of the threads, the first threads 31 and the second threads 32 are symmetrically designed, the shaft sleeves 5 at two ends move synchronously towards the direction of the fixed block 13, the shaft sleeves 5 are sleeved in the through hole of the sliding block 3, the sliding block 3 is pushed to move in the chute 11, the sliding block 3 drives the clamping plate 6 to move to clamp the sealing element placed on the placing plate 7, and rotate in the opposite directions, and the sealing element is released in the opposite directions.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (4)

1. The utility model provides a positioner is used in polishing of mechanical seal spare, includes locating plate (1), pivot (4) and grip block (6), its characterized in that: the utility model discloses a locating plate, including locating plate (1), bearing housing, shaft (4), slider (3) are equipped with through-hole in locating plate (1), locating plate (1) both sides bottom is equipped with a plurality of constant head tank (12), and interval corresponds with the mounting hole on workstation (2) between constant head tank (12), locating plate (12) are through a plurality of cylinder piece (8) and workstation (2) on the mounting hole cooperation, above-mentioned locating plate (1) keep away from one end of constant head tank (12) on be equipped with spout (11) that run through, spout (11) central terminal surface is equipped with fixed block (13), and fixed block (13) center is equipped with the through-hole, pivot (4) pass through the bearing housing in the through-hole, and pivot (4) one end is equipped with first screw thread (31), pivot (4) are kept away from first screw thread (31) one end and are equipped with second screw thread (32), slider (3) are installed at slider (3) both ends, just in the through-hole is equipped with axle sleeve (5) through-hole through the bolt fastening in slider (3) one end, pivot (4) is equipped with screw thread (3) through-hole, screw thread (31) center, screw thread (32).

2. A positioning device for polishing a mechanical seal according to claim 1, wherein: handles (34) are arranged at two ends of the rotating shaft (4), limiting grooves (33) are formed in two ends of the center of the rotating shaft (4), and clamping rings are arranged on the limiting grooves (33).

3. A positioning device for polishing a mechanical seal according to claim 1, wherein: clamping plate (6) are installed to slider (3) upper end, and clamping plate (6) are V type structure, fixed block (13) upper end is equipped with places board (7), clamping plate (6) are connected with locating plate (1) terminal surface through the bolt, and place board (7) in clamping plate (6) below.

4. A positioning device for polishing a mechanical seal according to claim 1, wherein: the diameter of the through hole of the sliding block (3) is larger than that of the rotating shaft (4).