CN220418045U

CN220418045U - Multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnet

Info

Publication number: CN220418045U
Application number: CN202321595707.2U
Authority: CN
Inventors: 肖维; 陈亚利; 卓宇; 王栋; 吴佳明; 郑江港
Original assignee: Hangzhou Permanent Magnet Group Co ltd
Current assignee: Hangzhou Permanent Magnet Group Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2024-01-30
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnets, which comprises a bottom support frame, wherein a vacuum pump is arranged at the bottom end inside an electric cabinet, three groups of furnace cavities are fixedly connected inside the front end of an upper shell, an electric heating induction coil is coiled outside the furnace cavities, and a structure convenient for layering placement is arranged inside the furnace cavities. This preparation high stability samarium cobalt permanent magnetism's multicavity vacuum furnace structure places board, fixed foot nail, side layer board and foot nail jack through being provided with the material, during the use, place the board level with the material and place on the side layer board, the fixed foot nail of board bottom is placed along the foot nail jack card on the side layer board and is gone into, the position of board is placed to the material is fixed promptly, three groups of material can be placed simultaneously to the board is placed to the three groups of material, the efficiency of processing is improved, the function that the material improves machining efficiency is placed in the layering of being convenient for has been realized, the problem that the device does not possess the layering of being convenient for place the material and improves machining efficiency's function is solved.

Description

Multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnet

Technical Field

The utility model relates to the technical field of vacuum furnaces, in particular to a multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnets.

Background

The vacuum furnace utilizes the vacuum system to discharge partial substances in the furnace chamber, so that the pressure in the furnace chamber is smaller than a standard atmospheric pressure, thereby realizing the vacuum state of the space in the furnace chamber, and carrying out electromagnetic heating on the substances in the vacuum state, thereby realizing the functions of vacuum magnetization, vacuum sintering, vacuum brazing and the like.

The structure of the multi-cavity vacuum furnace for preparing the high-stability samarium cobalt permanent magnet is mostly similar in structure, a plurality of groups of furnace cavities are fixed in a steel outer housing, the furnace cavities are sealed through a sealing door, after the vacuum is pumped by a vacuum pump, the furnace cavities are heated and magnetized by an induction coil, and the furnace has certain functional defects in the actual use process, and has certain improvement space, such as single internal structure of the furnace cavities, inconvenience in placing a bracket in the circular furnace cavities, and low processing efficiency due to the fact that only one group of samarium cobalt materials can be processed in one furnace cavity at a time, and the function of facilitating layering placement of the materials to improve the processing efficiency is not realized; secondly, the height of the equipment is fixed, the temperature of the material subjected to vacuum heating is higher, the operation requirement is strict when the door is opened for taking materials, the inconvenience of the height has a certain influence on the operation, and the function of conveniently adjusting the height of the equipment is not provided; in addition, the equipment relates to pipeline lines more, and the pipeline is crisscrossed to appear entangled the confusion easily, and later stage is examined and repaired comparatively trouble, does not possess the function of being convenient for fixed pipeline line.

At present, a novel multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnets is provided to solve the problems.

Disclosure of Invention

The utility model aims to provide a multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnets, which solves the problem that the prior art does not have the function of facilitating layering placement of materials and improving processing efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multicavity vacuum furnace structure of preparation high stability samarium cobalt permanent magnetism, includes the bottom sprag frame, four corners of bottom sprag frame bottom have vertical welding supporting leg pipe respectively, transversely fixedly connected with transversely puts the thing board between one side of supporting leg pipe, one side fixedly connected with electric cabinet of bottom sprag frame, the vacuum pump is installed to the inside bottom of electric cabinet, the top fixedly connected with of bottom sprag frame goes up the casing, be provided with the air duct between the top of vacuum pump and the bottom of last casing, the front end activity hinge of going up the casing has three sealing door of group, the inside fixedly connected with of last casing front end has three groups furnace chamber, the outside of furnace chamber coils has electric heat induction coil, the inside of supporting leg pipe bottom has the lower extension leg from bottom to top peg graft, transversely put the top fixedly connected with three groups bottom fixed plate of thing board, the inside of furnace chamber is provided with the layering of being convenient for and places the structure.

The structure is placed in the layering of being convenient for includes that three material are placed the board, and three material are placed the board and are transversely set up in the inside of furnace chamber, four corners of board bottom are placed to the material are fixedly connected with fixed foot nail respectively, the inside both sides of furnace chamber are fixedly connected with side layer board respectively, both ends are provided with foot nail jack respectively around the side layer board top.

Preferably, the side support plates are symmetrically distributed about a vertical center line of the cavity.

Preferably, the position size of the fixing pin corresponds to the position size of the pin insertion hole, and the fixing pin penetrates through the inside of the pin insertion hole and extends to the outside.

Preferably, the outer diameter of the lower extension leg is matched with the inner diameter of the support leg pipe, and the lower extension leg can be vertically displaced along the inside of the support leg pipe.

Preferably, the bottom of supporting leg pipe one end is pegged graft and is had two sets of location lockpins, the inside of lower extension leg one end is provided with multiunit location screw, the pneumatic cylinder is vertically installed on the inside top of supporting leg pipe, the bottom of pneumatic cylinder is connected with the top of lower extension leg.

Preferably, the top of bottom fixed plate glues has the rubber owner piece, the inside of rubber owner piece is provided with three group's tube chases, the inside on rubber owner piece top is provided with multiunit wire casing, the wire casing is equidistant the range.

Compared with the prior art, the utility model has the beneficial effects that: the multi-cavity vacuum furnace structure for preparing the high-stability samarium cobalt permanent magnet not only realizes the function of facilitating layering placement of materials and improving processing efficiency, but also realizes the function of facilitating adjustment of equipment height and the function of facilitating fixation of pipeline lines;

(1) When the device is used, samarium cobalt materials are placed in a furnace chamber, a sealing door is closed, the vacuum pump is used for vacuumizing the interior of the furnace chamber through the air duct, the electric heating induction coil is started to magnetically magnetize the samarium cobalt materials in vacuum, when the materials are placed, the number of layers which can be selected according to the size of the materials are placed, the material placing plate is horizontally placed on the side supporting plate, the fixed pins at the bottom of the material placing plate are clamped in along the pin inserting holes on the side supporting plate, the positions of the material placing plate are fixed, three groups of materials can be placed simultaneously by the three groups of material placing plates, the processing efficiency is improved, and the function of facilitating layered material placing and improving the processing efficiency is realized;

(2) The lower extending leg, the positioning lock pin, the positioning screw hole and the hydraulic cylinder are arranged, when the hydraulic cylinder is used, the height of the device can be adjusted according to the use habit of an operator to obtain the most convenient operation angle, the positioning lock pin is unscrewed and pulled out when the height is adjusted, the positioning lock pin is separated from the positioning screw hole, the lower extending leg is out of limit, the hydraulic cylinder is extended or retracted at the moment, the relative position between the lower extending leg and the supporting leg pipe is changed, the height of the device is also changed, the positioning lock pin is driven into again at the moment to be further reinforced, and meanwhile, the load of the hydraulic cylinder is reduced, so that the function of conveniently adjusting the height of the device is realized;

(3) Through being provided with rubber owner piece, bottom fixed plate, piping and wire casing, during the use, when inserting pipeline and circuit for equipment, imbed the piping along the piping at rubber owner piece top, the wire casing embedding at rubber owner piece top is followed to the circuit, and the position of piping circuit is fixed promptly, makes things convenient for the later stage to touch the row to overhaul, and the bottom fixed plate provides the physical basement of stereoplasm for the installation of rubber owner piece is fixed, has realized the function of being convenient for fixed piping circuit.

Drawings

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

FIG. 2 is a schematic view showing a material placement plate of the present utility model in a magnified bottom view;

FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic diagram of a side view and enlarged structure of a rubber main block according to the present utility model.

In the figure: 1. a bottom support frame; 2. a transverse object placing plate; 3. a support leg tube; 4. an electric control box; 5. a vacuum pump; 6. an upper housing; 7. sealing the door; 8. a cavity; 9. a material placement plate; 10. fixing the foot nails; 11. a side support plate; 12. foot nail insertion holes; 13. an electrothermal induction coil; 14. a lower extension leg; 15. positioning a lock pin; 16. positioning screw holes; 17. a hydraulic cylinder; 18. a rubber main block; 19. a bottom fixing plate; 20. a tube groove; 21. a wire slot; 22. and an air duct.

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.

Example 1: referring to fig. 1-4, a multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnet comprises a bottom support frame 1, support leg pipes 3 are vertically welded at four corners of the bottom support frame 1 respectively, a transverse object placing plate 2 is transversely and fixedly connected between one sides of the support leg pipes 3, one side of the bottom support frame 1 is fixedly connected with an electric cabinet 4, a vacuum pump 5 is installed at the bottom end inside the electric cabinet 4, an upper shell 6 is fixedly connected with the top of the bottom support frame 1, an air duct 22 is arranged between the top of the vacuum pump 5 and the bottom of the upper shell 6, three groups of sealing doors 7 are movably hinged at the front end of the upper shell 6, three groups of furnace cavities 8 are fixedly connected inside the front end of the upper shell 6, electric heating induction coils 13 are coiled outside the furnace cavities 8, and a structure convenient for layered placement is arranged inside the furnace cavities 8;

referring to fig. 1-4, the multi-cavity vacuum furnace structure for preparing the high-stability samarium cobalt permanent magnet further comprises a layered placement structure, wherein the layered placement structure comprises three groups of material placement plates 9, the three groups of material placement plates 9 are transversely arranged in a furnace cavity 8, four corners at the bottom of the material placement plates 9 are respectively and fixedly connected with fixed pins 10, two sides in the furnace cavity 8 are respectively and fixedly connected with side support plates 11, and pin insertion holes 12 are respectively formed in the front end and the rear end of the top of the side support plates 11;

the side support plates 11 are symmetrically distributed about the vertical center line of the furnace chamber 8, the position size of the fixed pins 10 corresponds to the position size of the pin insertion holes 12, the fixed pins 10 penetrate through the inside of the pin insertion holes 12 and extend to the outside, multiple groups of materials can be placed in a layered mode, and the processing efficiency is improved;

specifically, as shown in fig. 1 and 2, the material placing plate 9 is horizontally placed on the side supporting plate 11, the fixed pins 10 at the bottom of the material placing plate 9 are clamped in along the pin inserting holes 12 on the side supporting plate 11, the positions of the material placing plate 9 are fixed, three groups of materials can be simultaneously placed by the three groups of material placing plates 9, and the processing efficiency is improved.

Example 2: the inside of the bottom end of the supporting leg pipe 3 is inserted with the lower extending leg 14 from bottom to top, the outer diameter of the lower extending leg 14 is matched with the inner diameter of the supporting leg pipe 3, the lower extending leg 14 can move up and down along the inside of the supporting leg pipe 3, the bottom of one end of the supporting leg pipe 3 is inserted with two groups of positioning lock pins 15, the inside of one end of the lower extending leg 14 is provided with a plurality of groups of positioning screw holes 16, the top end of the inside of the supporting leg pipe 3 is vertically provided with a hydraulic cylinder 17, the bottom of the hydraulic cylinder 17 is connected with the top of the lower extending leg 14, and the habit of a user can be flexibly adjusted;

specifically, as shown in fig. 1 and 3, the positioning lock pin 15 is firstly unscrewed and pulled out, the positioning lock pin 15 is separated from the positioning screw hole 16, the lower extension leg 14 loses restriction, the hydraulic cylinder 17 is extended or retracted at the moment, the relative position between the lower extension leg 14 and the supporting leg pipe 3 is changed, the equipment height is changed, and at the moment, the positioning lock pin 15 is re-driven into the equipment for further reinforcement, and meanwhile, the load of the hydraulic cylinder 17 is reduced.

Example 3: three groups of bottom fixing plates 19 are fixedly connected to the top of the transverse object placing plate 2, a rubber main block 18 is glued to the top of the bottom fixing plates 19, three groups of pipe grooves 20 are formed in the rubber main block 18, a plurality of groups of wire grooves 21 are formed in the top end of the rubber main block 18, and the wire grooves 21 are arranged at equal intervals, so that a pipeline line can be conveniently fixed;

specifically, as shown in fig. 1 and 4, the pipeline is embedded along the pipe groove 20 at the top of the rubber main block 18, the pipeline is embedded along the wire groove 21 at the top of the rubber main block 18, the position of the pipeline is fixed, the later-stage touch and repair is convenient, and the bottom fixing plate 19 provides a hard physical substrate for the installation and fixation of the rubber main block 18.

Working principle: when the utility model is used, firstly, samarium cobalt materials are placed in a furnace chamber 8, a sealing door 7 is sealed, a vacuum pump 5 pumps the interior of the furnace chamber 8 into a vacuum state through an air duct 22, an electric heating induction coil 13 is started to carry out vacuum magnetization on the samarium cobalt materials, when the materials are placed, the number of layers which are placed can be selected according to the size of the materials, a material placing plate 9 is horizontally placed on a side supporting plate 11, fixing pins 10 at the bottom of the material placing plate 9 are clamped in along pin jacks 12 on the side supporting plate 11, the positions of the material placing plates 9 are fixed, three groups of materials can be placed simultaneously by the three groups of material placing plates 9, and the processing efficiency is improved. According to the use habit of an operator, the height of the equipment can be adjusted to obtain the most convenient operation angle, when the height is adjusted, the positioning lock pin 15 is unscrewed and pulled out, the positioning lock pin 15 is separated from the positioning screw hole 16, the lower extending leg 14 loses restriction, the hydraulic cylinder 17 extends or retracts at the moment, the relative position between the lower extending leg 14 and the supporting leg pipe 3 is changed, the height of the equipment is also changed, and at the moment, the positioning lock pin 15 is re-driven to further strengthen, and meanwhile, the load of the hydraulic cylinder 17 is reduced. When the pipeline and the line are connected to the equipment, the pipeline is embedded along the pipe groove 20 at the top of the rubber main block 18, the line is embedded along the wire groove 21 at the top of the rubber main block 18, the position of the pipeline line is fixed, the later touch and repair is convenient, and the bottom fixing plate 19 provides a hard physical substrate for the installation and fixation of the rubber main block 18.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Prepare multicavity vacuum furnace structure of high stability samarium cobalt permanent magnetism, including bottom sprag frame (1), its characterized in that: four corners of bottom sprag frame (1) bottom have supporting leg pipe (3) respectively in vertical welding, transversely fixedly connected with transversely put thing board (2) between one side of supporting leg pipe (3), one side fixedly connected with electric cabinet (4) of bottom sprag frame (1), vacuum pump (5) are installed to the inside bottom of electric cabinet (4), the top fixedly connected with of bottom sprag frame (1) goes up casing (6), be provided with air duct (22) between the top of vacuum pump (5) and the bottom of last casing (6), the front end activity hinge of last casing (6) has three sealing door (7), the inside fixedly connected with three oven chamber (8) of going up casing (6) front end, the outside of oven chamber (8) coils has electric heat induction coil (13), the inside of supporting leg pipe (3) bottom has lower extension leg (14) from bottom to top peg graft, the top fixedly connected with three sets of bottom fixed plate (19) of transversely putting thing board (2), the inside of oven chamber (8) is provided with the layering structure of being convenient for place.

The structure is placed in layering of being convenient for includes that three material are placed board (9), and three material are placed board (9) transversely set up in the inside of furnace chamber (8), four corners of board (9) bottom are placed to the material are fixedly connected with fixed peg (10) respectively, inside both sides of furnace chamber (8) are fixedly connected with side layer board (11) respectively, both ends are provided with peg jack (12) respectively around side layer board (11) top.

2. The multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnets according to claim 1, characterized in that: the side supporting plates (11) are symmetrically distributed about the vertical center line of the furnace chamber (8).

3. The multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnets according to claim 1, characterized in that: the position size of the fixed foot nail (10) corresponds to the position size of the foot nail insertion hole (12), and the fixed foot nail (10) penetrates through the inside of the foot nail insertion hole (12) and extends to the outside.

4. The multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnets according to claim 1, characterized in that: the outer diameter of the lower extension leg (14) is matched with the inner diameter of the support leg pipe (3), and the lower extension leg (14) can move up and down along the inner part of the support leg pipe (3).

5. The multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnets according to claim 1, characterized in that: the bottom of supporting leg pipe (3) one end is pegged graft and is had two sets of location lockpins (15), the inside of lower extension leg (14) one end is provided with multiunit location screw (16), pneumatic cylinder (17) are vertically installed on the inside top of supporting leg pipe (3), the bottom of pneumatic cylinder (17) is connected with the top of lower extension leg (14).

6. The multi-cavity vacuum furnace structure for preparing high-stability samarium cobalt permanent magnets according to claim 1, characterized in that: the top of bottom fixed plate (19) glues has rubber owner piece (18), the inside of rubber owner piece (18) is provided with three group's tube groove (20), the inside at rubber owner piece (18) top is provided with multiunit wire casing (21), wire casing (21) are equidistant range.