CN219005695U

CN219005695U - Molybdenum plate grinding positioning jig

Info

Publication number: CN219005695U
Application number: CN202223163094.3U
Authority: CN
Inventors: 徐军; 沙海涛
Original assignee: Suzhou Kaichang Precision Machinery Co ltd
Current assignee: Suzhou Kaichang Precision Machinery Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-12
Anticipated expiration: 2032-11-28

Abstract

The application relates to the technical field of machining tools, in particular to a molybdenum plate grinding and positioning tool, which comprises a base; a workbench for processing the molybdenum plate is arranged on the base, a plurality of adsorption holes are formed in the workbench, and the molybdenum plate is arranged to cover the adsorption holes; the base is internally provided with a vacuum cavity which is communicated with the molybdenum plate through an adsorption hole, and the vacuum cavity is connected with an air pipe joint for connecting an air extractor for vacuumizing. The clamping device has the advantages that the molybdenum plate is stable to process, and damage to the surface of the molybdenum plate caused by clamping is effectively avoided.

Description

Molybdenum plate grinding positioning jig

Technical Field

The application relates to the technical field of machining tools, in particular to a molybdenum plate grinding and positioning tool.

Background

Molybdenum is a rare high-melting-point metal, has various forms, and comprises molybdenum rods, molybdenum plates, molybdenum electrodes, molybdenum crucibles and the like, and belongs to the most plate materials in the application of various forms of molybdenum; when the molybdenum plate is applied, the working procedures such as rolling, forming, surface treatment and the like are generally carried out; polishing is a form of surface treatment after molybdenum plate hot rolling, and the molybdenum plate to be processed is clamped by a positioning jig usually when the surface of the molybdenum plate is polished, so that the molybdenum plate to be processed is prevented from shaking in the processing process.

In current actual production, when the molybdenum plate to be processed is processed and polished through the clamping of the positioning jig, the molybdenum plate is a thin-wall stamping part and has poor rigidity, and the molybdenum plate and the clamp are in rigid contact with each other so as to possibly deform or scratch, so that the surface of the molybdenum plate is damaged, and the problem of low product rate exists.

Aiming at the related technology, the inventor considers that the molybdenum plate grinding and positioning jig needs to be developed, so that the molybdenum plate is processed stably, damage to the surface of the molybdenum plate caused by clamping is effectively avoided, and the molybdenum plate grinding and positioning jig is novel and practical.

Disclosure of Invention

In order to solve the technical problem, the application provides a molybdenum plate grinding positioning jig which has the advantages of being stable in clamping of a molybdenum plate and capable of effectively avoiding damage to the surface of the molybdenum plate caused by clamping.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a molybdenum plate grinding positioning jig, comprising:

a base;

a workbench for processing the molybdenum plate is arranged on the base, a plurality of adsorption holes are formed in the workbench, and the molybdenum plate is arranged to cover the adsorption holes;

a vacuum cavity is arranged in the base and is communicated with the molybdenum plate through an adsorption hole;

the vacuum cavity is connected with an air pipe joint for connecting an air extractor for vacuumizing.

According to the technical scheme, when the surface of the molybdenum plate to be processed is ground, a closed air extraction space is formed by arranging the vacuum cavity and the adsorption hole communicated with the vacuum cavity, and the molybdenum plate is adsorbed and fixed on the workbench to grind the surface of the molybdenum plate through the air pipe connector and the external air extraction device, so that the problem that the clamping damages the surface of the molybdenum plate, and the product rate is low is avoided.

As a preferred scheme of this application, the workstation includes a plurality of mutually independent division work platform that set up, every division work bench all is equipped with the absorption region that is used for the product to place, every division work bench all is equipped with seal assembly between base, base and division work platform are detachable connection.

According to the technical scheme, the sub-work platforms are arranged to be of detachable structures, when the adsorption effect of a single adsorption area is poor, the corresponding sub-work platforms can be detached independently for maintenance or are directly replaced, and the adaptability of the use process is improved.

As a preferred scheme of this application, the vacuum chamber includes the main cavity of level seting up in the base and corresponds the branch chamber of dividing the workstation setting up respectively, divide mutually independent between the chamber, communicate between main cavity and the branch chamber.

As a preferred scheme of this application, seal assembly includes the first recess of seting up around the chamber outside and sets up the first sealing washer in first recess.

According to the technical scheme, the base and the workbench are connected with each other more tightly by the first sealing ring, and a good air extraction effect can be achieved.

As a preferable scheme of the application, a positioning hole is formed in the sub-workbench, a positioning column is arranged in the positioning hole, and the top surface of the positioning column protrudes out of the surface of the sub-workbench.

Realize above-mentioned technical scheme, because molybdenum plate in this application is circular and the round hole has been seted up at the middle part, the molybdenum plate passes through the round hole cover on the reference column of protrusion to workstation surface, and the molybdenum plate of being convenient for is placed and is carried out quick location.

As a preferable mode of the present application, a third sealing ring is provided on the outer peripheral side of each adsorption area, and the inner side of the third sealing ring is abutted against the outer side of the molybdenum plate.

Realize above-mentioned technical scheme, when processing, need grind the both sides of molybdenum plate, place the molybdenum plate on the workstation, because unprocessed molybdenum plate surface unevenness, set up the effect of third sealing washer in order to make molybdenum plate and table surface be connected inseparabler, avoid leaking gas when evacuating.

As a preferred embodiment of the present application, the tracheal tube is provided with at least two tracheal tubes.

According to the technical scheme, at least more than two air pipe connectors are arranged, so that the suction force of vacuumizing can be improved.

In summary, the beneficial effects of the application are: when carrying out abrasive machining to the surface of the molybdenum plate to be processed, overlap the molybdenum plate on the reference column that protrudes to the workstation surface, be convenient for the molybdenum plate place and quick positioning, be connected the evacuation through air pipe connection and external air exhaust device, adsorb the molybdenum plate and fix and carry out abrasive machining on the workstation, effectively avoided damaging the molybdenum plate outward appearance in the course of working, improved operating efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall structure diagram of a molybdenum plate grinding and positioning jig;

FIG. 2 is an exploded view of a molybdenum plate grinding positioning jig;

FIG. 3 is a cross-sectional exploded view of a molybdenum plate grinding positioning jig;

reference numerals: 1. a base; 2. a work table; 3. adsorption holes; 4. a vacuum chamber; 5. an air pipe joint; 6. a division platform; 7. an adsorption zone; 8. a seal assembly; 81. a first groove; 82. a first seal ring; 9. a main chamber; 10. dividing the cavity; 11. positioning holes; 12. positioning columns; 13. a boss; 14. a second groove; 15. a second seal ring; 16. a third seal ring; 17. a limiting hole; 18. and (5) a bolt.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

Referring to fig. 1 and 2, for the molybdenum plate grinding positioning jig disclosed in the embodiment of the application, the base 1 including the rectangle that the level placed is provided with the workstation 2 that supplies molybdenum plate processing on the base 1, the workstation 2 includes a plurality of mutually independent division work platform 6 that set up, every division work platform 6 all is bolted connection on the base 1, spacing hole 17 has all been seted up to the position of four corners of dividing work platform 6 specifically, the screw thread is provided with the bolt 18 that runs through spacing hole 17 on the base 1, make the head of bolt 18 fix division work platform 6 through screwing bolt 18 for division work platform 6 is fixed on base 1, laminating setting between the adjacent division work platform 6. The setting enables the positioning jig to process a plurality of workpieces independently, and when one of the sub-stations 6 fails, the positioning jig can be maintained independently.

Referring to fig. 2 and 3, every divides workstation 6 surface all to be equipped with and is used for the absorption region 7 that the work piece was placed, be provided with vacuum chamber 4 in base 1, vacuum chamber 4 includes that the level is offered at the main cavity 9 in base 1 and is corresponded the branch chamber 10 that divides the workstation 6 to offer respectively, divide between the chamber 10 mutually independent, communicate between main cavity 9 and the branch chamber 10, molybdenum plate in this application is circular and the middle part has offered the round hole, be circumference form evenly spaced in the absorption region 7 on every branch workstation 6 and be equipped with a plurality of absorption hole 3, cover absorption hole 3 setting when the molybdenum plate is placed in absorption region 7, vacuum chamber 4 communicates with the molybdenum plate through absorption hole 3, vacuum chamber 4 intercommunication has air pipe joint 5, be used for connecting air exhaust device to take out negative pressure in vacuum chamber 4 and absorption hole 3 with the molybdenum plate absorption fix and divide the workstation 6 to grind the processing, damage molybdenum plate outward appearance in the course of working has effectively been avoided, operating efficiency has been improved. In the present embodiment, the air pipe joint 5 is provided with at least two, so that the suction force of the vacuum can be improved.

Referring to fig. 2 and 3, a third sealing ring 16 is disposed on the outer peripheral side of each adsorption area 7, the inner side of the third sealing ring 16 abuts against the outer side of the molybdenum plate, when processing, grinding is required to be performed on two sides of the molybdenum plate, the molybdenum plate is placed on the dividing table 6, and the effect of the third sealing ring 16 is to enable the connection between the molybdenum plate and the dividing table 6 to be tighter due to uneven surface of the unprocessed molybdenum plate, so that air leakage is avoided when vacuumizing.

Referring to fig. 2 and 3, each of the sub-platforms 6 has a uniform size and is of a square design, and in order to enable connection between the base 1 and the sub-platform 6 to be tighter, a sealing assembly 8 is arranged between each of the sub-platforms 6 and the base 1, the sealing assembly 8 comprises a first groove 81 formed around the outer side of the sub-cavity 10 and a first sealing ring 82 arranged inside the first groove 81, and the base 1 and the workbench 2 are connected to be tighter by the first sealing ring 82, so that a better air extraction effect is achieved.

Referring to fig. 2 and 3, still offered locating hole 11 on every division work platform 6, locating hole 11 runs through division work platform 6 setting, be convenient for clear up in the sweeps drops to locating hole 11 when processing, be provided with reference column 12 in the locating hole 11, the top surface protrusion division work platform 6 surface of reference column 12, because the round hole has been offered at the molybdenum plate middle part in this application, the molybdenum plate passes through the round hole cover and establishes the outside at the reference column 12 on protruding work platform 2 surface, make things convenient for the placement of molybdenum plate to fix a position fast, be provided with in division chamber 10 with division chamber 10 the boss 13 of the same degree of depth, reference column 12 is placed on boss 13, second recess 14 has been seted up around reference column 12 on boss 13, the degree of depth of second recess 14 equals the degree of depth of first recess 81, set up second sealing washer 15 in second recess 14, the leakproofness between boss 13 and the locating hole 11 has been strengthened.

The implementation principle of the molybdenum plate grinding and positioning jig provided by the embodiment of the application is as follows: when carrying out abrasive machining to the surface of the molybdenum plate to be processed, the molybdenum plate passes through the outside of the reference column 12 of round hole cover protrusion to workstation 2 surface, through setting up vacuum chamber 4 and the absorption hole 3 with vacuum chamber 4 intercommunication, form a inclosed pumping space from this, be connected the evacuation through air pipe connection 5 and air exhaust device, adsorb the molybdenum plate and fix and carry out abrasive machining to molybdenum plate surface on workstation 2, effectively avoid the clamping to produce the destruction to molybdenum plate surface, simultaneously in order to better realization effect of bleeding, make the connection between base 1 and the workstation 2 inseparabler through setting up first sealing washer 82, second sealing washer 15, set up the third sealing washer 16 on workstation 2 and make and be connected between molybdenum plate and the workstation 2 inseparabler, realize processing stability to the molybdenum plate, when having solved at present carrying out abrasive machining through positioning jig clamping molybdenum plate, molybdenum plate surface and anchor clamps rigid contact easily produce the problem of destruction to molybdenum plate itself.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A molybdenum plate grinding positioning jig which is characterized in that: comprising the following steps:

a base (1);

a workbench (2) for processing a molybdenum plate is arranged on the base (1), a plurality of adsorption holes (3) are formed in the workbench (2), and the molybdenum plate is arranged to cover the adsorption holes (3);

a vacuum cavity (4) is arranged in the base (1), and the vacuum cavity (4) is communicated with the molybdenum plate through an adsorption hole (3);

the vacuum cavity (4) is connected with an air pipe joint (5) for connecting an air extracting device to extract vacuum;

the workbench (2) comprises a plurality of mutually independent work dividing tables (6), each work dividing table (6) is provided with an adsorption area (7) for placing products, each work dividing table (6) and a base (1) are respectively provided with a sealing component (8), and the base (1) and the work dividing tables (6) are detachably connected.

2. The molybdenum plate grinding and positioning jig according to claim 1, wherein the vacuum cavity (4) comprises a main cavity (9) horizontally arranged in the base (1) and sub-cavities (10) respectively arranged corresponding to the sub-work platforms (6), the sub-cavities (10) are mutually independent, and the main cavity (9) is communicated with the sub-cavities (10).

3. The molybdenum plate grinding and positioning jig according to claim 1, wherein the sealing assembly (8) comprises a first groove (81) formed around the outer side of the sub-cavity (10) and a first sealing ring (82) arranged in the first groove (81).

4. The molybdenum plate grinding and positioning jig according to claim 2, wherein the dividing table (6) is provided with a positioning hole (11), a positioning column (12) is arranged in the positioning hole (11), and the top surface of the positioning column (12) protrudes out of the surface of the dividing table (6).

5. The molybdenum plate grinding and positioning jig according to claim 1, wherein a third sealing ring (16) is arranged on the outer peripheral side of each adsorption area (7), and the inner side of the third sealing ring (16) is abutted with the outer side of the molybdenum plate.

6. The molybdenum plate grinding and positioning jig according to claim 1, wherein at least two air pipe joints (5) are provided.