CN214735925U

CN214735925U - Spherical surface moulding-die quenching device

Info

Publication number: CN214735925U
Application number: CN202121205173.9U
Authority: CN
Inventors: 王德伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-16
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a spherical surface die quenching device, which belongs to the technical field of spherical surface quenching and comprises a transmission column, conical sheets, sliding blocks and an extrusion block, wherein a plurality of conical sheets are arranged between a first pressing plate and a second pressing plate, a plurality of sliding blocks are arranged on the outer sides of the conical sheets, and the extrusion block is arranged on the outer sides of the sliding blocks; first pins are inserted among the conical sheets, and second pins are inserted among the conical sheets; and a cushion block is arranged below the conical sheet, and an adjusting cushion block is arranged on the right side of the cushion block. The utility model discloses set up polylith toper piece, polylith toper piece piles up the setting each other through first pin and second pin and constitutes the awl core, and the awl core structure that adopts this kind of mode to constitute can change, can make awl core size change through the quantity and the position that change the toper piece, makes the utility model discloses can adapt to not unidimensional loop forming element.

Description

Spherical surface moulding-die quenching device

Technical Field

The utility model belongs to the technical field of spherical surface quenching, in particular to a spherical surface moulding-die quenching device.

Background

The heat treatment of the bearing sleeve is critical to the dimensional stability, fatigue, stress, etc. of the bearing sleeve during use. The use performance of the bearing can be greatly improved by carburizing treatment. After the carburization is finished, the bearing sleeve needs to be quenched for the second time, namely, the carburized workpiece is heated to a certain temperature and kept for a certain time, and then is cooled at a proper speed to obtain the material with the surface being high-carbon martensite and the interior being lath-shaped martensite.

The greater the heat treated bearing sleeve deformation, the more material that needs to be removed in subsequent machining to achieve the desired dimensional and form tolerances. Therefore, the deformation of the bearing sleeve after heat treatment is reduced, the subsequent machining cost can be reduced, and the uniform thickness of the carburized layer of the bearing sleeve can be maintained, so that the service life of the bearing is prolonged.

The existing quenching process for the bearing sleeve generally adopts a die quenching heat treatment method, and the process puts very high requirements on a die. The bearing sleeve is not only required to be small in shrinkage deformation, but also required to be adaptive to bearing sleeves of various sizes, and meanwhile, the bearing sleeve is convenient to assemble and take out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spherical surface moulding-die quenching device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a spherical surface die quenching device comprises a transmission column, a first pressing plate, a second pressing plate, a conical sheet, a sliding block and an extrusion block, wherein a first mounting plate is sleeved on the transmission column, and second mounting plates are arranged below the first mounting plate at intervals; a first pressing plate is arranged below the first mounting plate, the upper surface of the first pressing plate is attached to the upper surface of the first mounting plate, a second pressing plate is arranged above the second mounting plate, and the lower surface of the second pressing plate is attached to the upper surface of the second mounting plate; a plurality of conical sheets are arranged between the first pressing plate and the second pressing plate; a plurality of sliding blocks are arranged on the outer side of the conical sheet, and extrusion blocks are arranged on the outer sides of the sliding blocks; first pins are inserted between the conical sheets, two adjacent conical sheets are fixedly connected through a circle of the plurality of first pins, second pins are inserted between the conical sheets, the top ends of the second pins are inserted and arranged on the first pressing plate, the top ends of the second pins are countersunk in the first pressing plate, and the bottom ends of the second pins sequentially penetrate through the conical sheets from top to bottom; a mounting screw is arranged between the sliding block and the extrusion block; a cushion block is arranged below the conical sheet, and an adjusting cushion block is arranged on the right side of the cushion block; a supporting chute is arranged above the second pressing plate, the lower surface of the supporting chute is fixedly arranged on the upper surface of the second pressing plate, a supporting block is arranged below the sliding block, and an adjusting gap is arranged between the supporting block and the upper surface of the supporting chute; an adjusting rod is inserted on the sliding block.

As a further aspect of the present invention: the first mounting panel is circular plate, and the second mounting panel is circular plate, and first mounting panel and second mounting panel all are fixed in on the transmission post.

As a further aspect of the present invention: the polylith the toper piece pile up the setting from top to bottom, the center of polylith toper piece all overlaps and locates on the transmission post, the outer lane edge of toper piece is conical to the marginal diameter of toper piece upper surface is greater than the marginal diameter of toper piece lower surface, and a plurality of toper pieces top-down outer lane diameter reduces gradually.

As a further aspect of the present invention: the plurality of sliding blocks are arranged around the conical sheet in an annular array, and the inner walls of the sliding blocks are matched with the conical surface formed by the conical sheet.

As a further aspect of the present invention: the upper surface of supporting the spout is equipped with the multichannel spout, and the quantity and the position of spout all are unanimous with the slider, and the spout and the slider cooperation that support the spout upper surface use, and the supporting shoe joint is inside the spout that supports the spout upper surface.

As a further aspect of the present invention: the edge of toper piece is equipped with a plurality of draw-in grooves, and a plurality of draw-in grooves are the position of annular array at toper piece edge all around, and the tapering of draw-in groove keeps unanimous with the tapering at toper piece edge, and quantity, the position of draw-in groove all correspond with the slider, and the slider passes through the draw-in groove to be installed on the toper piece.

As a further aspect of the present invention: and a limiting step is arranged at the edge of the inner circle of the conical sheet and is downwards deviated relative to the conical sheet.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model is provided with a plurality of conical sheets, the conical cores are formed by mutually stacking and arranging the first pins and the second pins, the conical core structure formed by adopting the mode can be changed, the size of the conical core can be changed by changing the number and the position of the conical sheets, so that the utility model can adapt to ring parts with different sizes, and the axial and radial positions among the conical sheets can be accurately controlled by arranging the first pins and the second pins; the utility model discloses set up slider and extrusion piece, the slider that can slide makes a plurality of extrusion pieces enclose into the cylindrical diameter adjustable, is convenient for install and unload the loop forming element.

Drawings

Fig. 1 is a schematic sectional structure view of a spherical surface die quenching apparatus.

Fig. 2 is an appearance structure schematic diagram of a spherical surface die quenching device.

Fig. 3 is a schematic bottom view of a conical sheet in a spherical surface die quenching device.

Fig. 4 is an enlarged schematic view of the structure of an adjusting cushion block in a spherical surface die quenching device.

In the figure: 1. a drive post; 2. a first mounting plate; 3. a second mounting plate; 4. a first platen; 5. a second platen; 6. a tapered sheet; 61. a limiting step; 62. a card slot; 7. a slider; 8. extruding the block; 9. a first pin; 10. a second pin; 11. mounting screws; 12. a support chute; 13. cushion blocks; 14. a support block; 15. adjusting the clearance; 16. adjusting the cushion block; 17. an adjusting rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a ball-type surface die quenching device comprises a transmission column 1, a first pressing plate 4, a second pressing plate 5, a conical sheet 6, a sliding block 7 and an extrusion block 8, wherein the transmission column 1 is sleeved with a first mounting plate 2, the second mounting plate 3 is arranged below the first mounting plate 2 at intervals, the first mounting plate 2 is a circular plate, the second mounting plate 3 is a circular plate, and the first mounting plate 2 and the second mounting plate 3 are both fixed on the transmission column 1 and cannot move up and down along the transmission column 1 or rotate relative to the transmission column 1; the below of first mounting panel 2 is equipped with first clamp plate 4, and the upper surface of first clamp plate 4 and the laminating of the upper surface of first mounting panel 2 to first clamp plate 4 and first mounting panel 2 pass through countersunk head bolt fixed connection, and the top of second mounting panel 3 is equipped with second clamp plate 5, and the lower surface of second clamp plate 5 and the laminating of the upper surface of second mounting panel 3, and second clamp plate 5 and second mounting panel 3 pass through countersunk head bolt fixed connection.

A plurality of conical sheets 6 are arranged between the first pressing plate 4 and the second pressing plate 5, the conical sheets 6 are stacked up and down, the centers of the conical sheets 6 are all sleeved on the transmission column 1, the outer ring edge of the conical sheet 6 is conical, the edge diameter of the upper surface of the conical sheet 6 is larger than that of the lower surface of the conical sheet 6, so that the conical sheet 6 is in a conical structure with a thick upper part and a thin lower part, the outer ring diameter of the conical sheets 6 is gradually reduced from top to bottom, and the conical sheets 6 are stacked up and down to form an inverted conical table structure to form a conical core; a plurality of sliders 7 are installed on the outer side of the conical sheet 6, the sliders 7 are arranged on the periphery of the conical sheet 6 in an annular array mode, the inner wall of each slider 7 is matched with a conical surface formed by the conical sheet 6, an extrusion block 8 is arranged on the outer side of each slider 7, the extrusion block 8 is used for being in contact with the inner side wall of the annular piece, and the annular piece to be quenched is fixed.

First pins 9 are inserted between the conical sheets 6, two adjacent conical sheets 6 are fixedly connected through a circle of a plurality of first pins 9, the first pins 9 enable the conical sheets 6 to be stably connected, the first pins 9 are all countersunk pins, second pins 10 are inserted between the conical sheets 6, the top ends of the second pins 10 are inserted and arranged on the first pressing plate 4, the top ends of the second pins 10 are countersunk and arranged inside the first pressing plate 4, the bottom ends of the second pins 10 sequentially penetrate through the conical sheets 6 from top to bottom to position the conical sheets 6, the second pins 10 enable the conical sheets 6 to be consistent relative to the first pressing plate 4, the conical sheets 6 are accurately axially positioned in layer-by-layer stacking of the conical sheets 6 through the second pins 10, the first pins 9 enable the radial positions of the conical sheets 6 stacked layer by layer to be accurately positioned, radial and axial play of the conical sheets 6 is effectively prevented.

And a mounting screw 11 is arranged between the sliding block 7 and the extrusion block 8, the extrusion block 8 is mounted on the sliding block 7 by the mounting screw 11, and the extrusion block 8 can be detached by the mounting screw 11 so as to replace the extrusion block 8 according to the size of the workpiece to be quenched.

The below of toper piece 6 is equipped with cushion 13, and the right side of cushion 13 is equipped with adjusting cushion 16, and cushion 13 supports toper piece 6 with adjusting cushion 16 jointly for polylith toper piece 6 is hugged closely from top to bottom each other, makes the toper piece 6 that is located the top hug closely with the lower surface of first clamp plate 4, and adjusting cushion 16's self height can finely tune, makes and can keep the hugging closely state between a plurality of toper pieces 6 all the time.

The top of second clamp plate 5 is equipped with supports spout 12, the lower fixed surface who supports spout 12 installs in the upper surface of second clamp plate 5, the upper surface that supports spout 12 is equipped with multichannel spout, the quantity and the position of spout all are unanimous with slider 7, the spout that supports the spout 12 upper surface uses with slider 7 cooperation, below slider 7 is equipped with supporting shoe 14, supporting shoe 14 joint is inside the spout that supports spout 12 upper surface, slider 7 and extrusion piece 8 can slide in the spout inside little amplitude that supports spout 12 upper surface through supporting shoe 14, be equipped with adjustment clearance 15 between supporting shoe 14 and the upper surface that supports spout 12, adjustment clearance 15 makes supporting shoe 14 have the space surplus of downstream.

An adjusting rod 17 is inserted into the sliding block 7, the adjusting rod 17 is controlled by an external driving mechanism, and the adjusting rod 17 can control the sliding block 7 to move up and down in a small range.

As shown in fig. 3, a plurality of clamping grooves 62 are formed in the edge of the conical sheet 6, the clamping grooves 62 are annularly arrayed at the positions of the peripheral edge of the conical sheet 6, the taper of the clamping grooves 62 is consistent with the taper of the edge of the conical sheet 6, the number and the positions of the clamping grooves 62 correspond to those of the sliding blocks 7, the sliding blocks 7 are mounted on the conical sheet 6 through the clamping grooves 62, and the sliding blocks 7 can move slightly along the clamping grooves 62; the edge of the inner ring of the conical sheet 6 is provided with a limiting step 61, the limiting step 61 is offset downwards relative to the conical sheet 6, namely the limiting step 61 is concave in the shape of the upper surface of the conical sheet 6, the limiting step 61 is convex in the shape of the lower surface of the conical sheet 6, and when the conical sheets 6 are stacked up and down, the limiting step 61 can align the radial positions of the conical sheets 6 through the corresponding concave and convex.

When the utility model is used, when the ring-shaped piece to be quenched is required to be sleeved on the extrusion block 8, the adjusting rod 17 drives the slide block 7 to move downwards, so that the slide block 7 drives the extrusion block 8 to move downwards, and under the action of the conical core consisting of the plurality of conical sheets 6, the slide block 7 and the extrusion block 8 can simultaneously stretch inwards to reduce the diameter enclosed by the plurality of extrusion blocks 8, so that the ring-shaped piece is sleeved on the extrusion block 8; after the ring-shaped piece is installed, the adjusting rod 17 drives the sliding block 7 to move upwards, so that the sliding block 7 drives the extrusion block 8 to move upwards, and under the action of a conical core formed by the plurality of conical sheets 6, the sliding block 7 and the extrusion block 8 can simultaneously expand outwards, so that the diameter surrounded by the plurality of extrusion blocks 8 is increased, and the extrusion block 8 compresses and fixes the scene of the inner cylindrical surface of the ring-shaped piece.

After quenching is finished, the annular part can be greatly deformed, the annular part can be tightly extruded on the extrusion block 8 according to expansion with heat and contraction with cold, and at the moment, the adjusting rod 17 drives the sliding block 7 to move downwards, so that the extrusion block 8 stretches inwards to facilitate the unloading of the annular part.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A ball-shaped surface die quenching device comprises a transmission column (1), a first pressing plate (4), a second pressing plate (5), a conical sheet (6), a sliding block (7) and an extrusion block (8), and is characterized in that the transmission column (1) is sleeved with a first mounting plate (2), and second mounting plates (3) are arranged below the first mounting plate (2) at intervals; a first pressing plate (4) is arranged below the first mounting plate (2), the upper surface of the first pressing plate (4) is attached to the upper surface of the first mounting plate (2), a second pressing plate (5) is arranged above the second mounting plate (3), and the lower surface of the second pressing plate (5) is attached to the upper surface of the second mounting plate (3); a plurality of conical sheets (6) are arranged between the first pressing plate (4) and the second pressing plate (5); a plurality of sliding blocks (7) are installed on the outer side of the conical sheet (6), and extrusion blocks (8) are arranged on the outer side of the sliding blocks (7); first pins (9) are inserted between the conical sheets (6), two adjacent conical sheets (6) are fixedly connected through a circle of the first pins (9), second pins (10) are inserted between the conical sheets (6), the top ends of the second pins (10) are inserted on the first pressing plate (4), the top ends of the second pins (10) are countersunk in the first pressing plate (4), and the bottom ends of the second pins (10) sequentially penetrate through the conical sheets (6) from top to bottom; a mounting screw (11) is arranged between the sliding block (7) and the extrusion block (8); a cushion block (13) is arranged below the conical sheet (6), and an adjusting cushion block (16) is arranged on the right side of the cushion block (13); a supporting chute (12) is arranged above the second pressing plate (5), the lower surface of the supporting chute (12) is fixedly arranged on the upper surface of the second pressing plate (5), a supporting block (14) is arranged below the sliding block (7), and an adjusting gap (15) is arranged between the supporting block (14) and the upper surface of the supporting chute (12); an adjusting rod (17) is inserted on the sliding block (7).

2. The quenching device for the spherical surface die-casting die according to claim 1, wherein the first mounting plate (2) is a circular plate, the second mounting plate (3) is a circular plate, and the first mounting plate (2) and the second mounting plate (3) are both fixed on the transmission column (1).

3. The quenching device for the spherical surface die pressing according to claim 1, wherein a plurality of conical sheets (6) are stacked up and down, the centers of the conical sheets (6) are all sleeved on the transmission column (1), the outer ring edge of each conical sheet (6) is conical, the edge diameter of the upper surface of each conical sheet (6) is larger than that of the lower surface of each conical sheet (6), and the outer ring diameters of the conical sheets (6) are gradually reduced from top to bottom.

4. The quenching device for the spherical surface die-pressing according to claim 1, wherein a plurality of sliding blocks (7) are annularly arrayed around the conical sheet (6), and the inner walls of the sliding blocks (7) are matched with the conical surface formed by the conical sheet (6).

5. The quenching device for the spherical surface die pressing according to claim 1, wherein a plurality of sliding grooves are arranged on the upper surface of the supporting sliding groove (12), the number and the position of the sliding grooves are consistent with those of the sliding block (7), the sliding groove on the upper surface of the supporting sliding groove (12) is matched with the sliding block (7) for use, and the supporting block (14) is clamped in the sliding groove on the upper surface of the supporting sliding groove (12).

6. The quenching device for the spherical surface die-pressing according to claim 1, wherein a plurality of clamping grooves (62) are formed in the edge of the conical sheet (6), the clamping grooves (62) are annularly arrayed at the position of the peripheral edge of the conical sheet (6), the taper of the clamping grooves (62) is consistent with that of the edge of the conical sheet (6), the quantity and the position of the clamping grooves (62) correspond to those of the sliding block (7), and the sliding block (7) is mounted on the conical sheet (6) through the clamping grooves (62).

7. The quenching apparatus for spherical surface die-casting according to claim 1, wherein the tapered piece (6) is provided with a limiting step (61) at the inner periphery thereof, and the limiting step (61) is offset downward with respect to the tapered piece (6).