CN111321287B

CN111321287B - Gear heat treatment device

Info

Publication number: CN111321287B
Application number: CN202010254167.6A
Authority: CN
Inventors: 张小保
Original assignee: Nanjing Dechang Forging Co ltd
Current assignee: Nanjing Dechang Forging Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-09-10
Anticipated expiration: 2040-04-02
Also published as: CN111321287A

Abstract

The invention discloses a gear heat treatment device which is technically characterized by comprising a furnace body, a sealing cover, a working device, a material supporting seat, supporting legs, travelling wheels, pull cables, guide blocks and guide wheels, wherein the supporting legs are uniformly distributed at the edge of the lower surface of the material supporting seat; the cable equipartition is on the vertical perisporium of support material seat, the guide block sets up the top at the furnace body, it is provided with the guiding hole to run through on the guide block lateral wall, the leading wheel rotate set up at the guide block upper surface and with the cable butt, the furnace body is kept away from behind the guide wheel to the one end that the support material seat was kept away from to the cable, the one end that the furnace body was kept away from to the cable is connected with and receive and release the line subassembly, the closing cap is provided with the cooperation groove with the relative position of guide block, the cooperation groove sets up with the perisporium laminating of guide block, be provided with the sealed latch fitting that is used for sealed guiding hole on the closing cap. The invention can realize stable discharging of the workpiece and reduce the damage of the workpiece.

Description

Gear heat treatment device

Technical Field

The invention relates to the field of heat treatment of forgings, in particular to a gear heat treatment device.

Background

The gear workpiece is one of the transmission parts widely used in machines, can transmit power and change the rotating speed and the rotating direction, and is widely applied to transmission work in various fields. The machining process of the gear workpiece comprises the following steps: machining a gear workpiece blank, machining a tooth surface, performing a heat treatment process and finishing the tooth surface. The heat treatment mainly improves the mechanical property of the gear workpiece, and comprises quenching and tempering, carburizing and quenching, high-frequency induction heating quenching of the tooth surface and the like according to the use requirement and different materials.

The current application number is CN 201821608048.0's chinese patent, discloses a QPQ pit furnace device, including base thread plate, base pillar, furnace body base, furnace body, heater backup pad, furnace body mouth, bell, furnace lid mouth, heater, bell tail, hinge, hydraulic stem, pneumatic cylinder, oil pipe, hydraulic pump, brine pit, screw rod, motor fixed plate, part supporting disk pneumatic cylinder, part supporting disk, promote motor supporting wheel, promote motor base, truss, promotion motor, couple and wire rope, base thread plate fixed mounting is on the base pillar, base pillar and furnace body base fixed connection, furnace body fixed mounting are on the furnace body base, heater backup pad and furnace body fixed connection, heater and heater backup pad threaded connection

However, the above patent requires the workpiece to be hung from above into the furnace body, and when the workpiece is placed into the furnace body by being hung, since the environment in the furnace body cannot be observed carefully, the workpiece is easily damaged before the furnace body contacts the seating position.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a gear heat treatment device which can realize stable discharging of workpieces and reduce the damage of the workpieces.

In order to achieve the purpose, the invention provides the following technical scheme:

a gear heat treatment device comprises a furnace body, a sealing cover and a working device, wherein the working device is arranged in the furnace body, the sealing cover is detachably arranged at the top end of the furnace body, the heat treatment device further comprises a material supporting seat, supporting legs, travelling wheels, pull cables, guide blocks and guide wheels, the number of the supporting legs is at least three, the supporting legs are uniformly distributed at the edge of the lower surface of the material supporting seat, the travelling wheels are arranged at the bottom end, far away from the material supporting seat, of the supporting legs and are arranged on the inner side wall of the furnace body in a sliding mode along the vertical direction, and a abdicating cavity is formed between the vertical peripheral wall of the material supporting seat and the inner side wall of the furnace body; the utility model discloses a stove, including support material seat, guide block, leading wheel, guide block, wire rope, seal cover, wire rope, bearing seat, guide block, wire rope, guide wheel, guide block, wire rope, furnace body, the wire rope has three and one end equipartition at least on the vertical perisporium of support material seat, the guide block just sets up the top at the furnace body with the cable one-to-one, the lateral wall that the guide block extended to the furnace body runs through on and is provided with the guiding hole, the one end of keeping away from the support material seat of cable passes the guiding hole and is located the guide block and holds in the palm the part between the material seat and extend along vertical direction, the leading wheel rotates and sets up on the guide block upper surface and with the cable rope butt, the one end that the support material seat was kept away from to the cable is kept away from behind the guiding wheel, the one end that the furnace body was kept away from to the cable rope is connected with receipts and releases the line subassembly, the position that the seal cover is relative with the guide block is provided with the cooperation groove, the cooperation setting of the perisporium of guide block, be provided with the sealed latch fitting that is used for sealed guiding hole on the seal.

By adopting the technical scheme, as the cable is released and retracted by the take-up and pay-off assembly, the gravity of the material supporting seat and the pulling force of the cable on the material supporting seat are matched with each other, so that the material supporting seat can slide in the vertical direction in the furnace body, and can stably move under the guiding and supporting action of the travelling wheels and the supporting legs; therefore, when the workpiece is placed, the material supporting seat is moved to the upper part, so that the workpiece is placed on the material supporting seat in the visual field of people, the collision of the workpiece is reduced, and then the workpiece is stably moved into the furnace body by stably moving the material supporting seat; in order to realize the normal use of the heat treatment equipment, the sealing cover with the matching groove is arranged, and the sealing lock piece capable of sealing the guide hole is also arranged, so that the sealing cover can seal the furnace body, and the working device can perform normal heating work, therefore, the invention can realize the stable discharge of the workpiece and reduce the damage of the workpiece.

The invention is further provided that the stay cable comprises a plurality of pull blocks, connecting balls, connecting blocks and spherical arc grooves, wherein the pull blocks are arranged along the length direction of the stay cable, the spherical arc grooves are concavely arranged on opposite side walls of adjacent pull blocks, and the connecting balls are arranged in the spherical arc grooves in a fitting and rotating manner; the maximum length of the spherical arc groove perpendicular to the direction of the notch is larger than the spherical radius of the connecting ball and smaller than the spherical diameter of the connecting ball; the connecting blocks are fixedly arranged between the opposite side walls of two adjacent connecting balls, the pulling blocks and the pulling blocks are separately arranged to form a rotating cavity, and the peripheral walls of the pulling blocks are attached to and slide on the hole walls of the guide holes.

Through adopting above-mentioned technical scheme, draw the perisporium of piece and the laminating setting of guiding hole pore wall for draw and to realize relative sealed between piece and the guiding hole, then even the setting of ball and ball arc groove then provides the rotation basis for the cable, realize the switching-over pulling and receive and release the cable.

The sealing lock piece comprises a fixed semi-embracing ring, a movable semi-embracing ring, a locking rod, a pull rod and a pull sleeve, wherein the fixed semi-embracing ring is arranged on the upper surface of the guide block and positioned on one side of the stay cable far away from the inner side of the furnace body, and the movable semi-embracing ring is arranged on the upper surface of the sealing cover in a sliding manner; when the movable semi-embracing ring slides to the end wall to abut against the end wall of the fixed semi-embracing ring, the bottom wall of the movable semi-embracing ring is in sealing fit with the upper surface of the guide block, the fixed semi-embracing ring and the movable semi-embracing ring form a locking ring, and the inner annular wall of the locking ring is in sealing fit with the vertical peripheral wall of a pull block; the upper surfaces of the two end walls of the movable semi-embracing ring are provided with vertical rods, the pull rod is rotatably arranged at the top end of the vertical rods, the pull sleeve is rotatably arranged at one end, far away from the vertical rods, of the pull rod through a rotating plate, the two ends of the rotating plate are respectively rotatably connected with the pull sleeve and the pull rod, the locking rod is arranged on one side, far away from the inner side of the furnace body, of the movable semi-embracing ring on the upper surface of the guide block, the pull sleeve is adjusted with the locking rod, and the locking rod is provided with a locking member for tensioning the locking ring.

By adopting the technical scheme, the sealing cover is placed above the furnace body, and after the matching groove is attached to the guide block, the furnace body is preliminarily sealed; then the movable semi-embracing ring is pulled, so that the movable semi-embracing ring and the fixed plate embrace the ring to form a locking ring, then the locking rod on the sleeve is pulled, the locking member is utilized to fix the sleeve, so that the locking ring is locked, the bottom wall of the locking ring is tightly attached to the guide block, the inner ring ratio of the locking ring is tightly locked with the peripheral wall of the pull block, the locking ring can seal the guide hole, and meanwhile, the sealing cover is fixed.

The invention is further arranged in that the locking piece comprises a limiting abutting block, a locking head and a locking walking ring, the locking walking ring is in threaded connection with the peripheral wall of the locking rod along the vertical direction, a connecting ring is rotatably arranged at the top end of the locking walking ring, the connecting ring is arranged on the peripheral wall of the locking rod in a sliding mode along the vertical direction, the locking head is arranged at one end, away from the movable semi-holding ring, of the upper surface of the connecting ring, one side of the locking head is attached to the locking rod, an inclined surface is arranged at one side, away from the locking rod, of the locking head, the inclined surface inclines towards the locking rod along the upward direction, the tip end of the locking head is in plug-in connection with the inner ring of the pull sleeve, the limiting abutting block is in threaded connection with the top end of the locking rod, and the lower surface abuts against the upper surface of the pull sleeve.

Through adopting above-mentioned technical scheme, drawing the ways back on the locking lever, spacing support the piece and carry out spacingly in the locking lever top to drawing the cover for draw the cover not to go upward movement, consequently when rotating locking and walk the ring stability, because the threaded connection between locking ring and the locking lever is walked, can make the interlinkage drive locking head rebound, the most advanced of locking head is pulling the inboard rebound of cover this moment, thereby along the inclined plane of locking head, draw the cover can move towards the direction of keeping away from the catch, thereby the pull rod will move about partly embrace the ring take-up on fixed partly embrace the ring, make the catch locked.

The invention is further arranged in that the take-up and pay-off assembly comprises rotary bases, line rollers, connecting shafts and bevel gears, the rotary bases and the inhaul cables are arranged in a one-to-one correspondence mode and are uniformly distributed on the periphery of the furnace body, the line rollers are rotatably arranged on the rotary bases, one ends, far away from the material supporting seats, of the inhaul cables are arranged on the line rollers, the connecting shafts are arranged at two axial ends of the line rollers, the bevel gears are arranged at one ends, far away from the line rollers, of the connecting shafts, two adjacent bevel gears are meshed, one of the connecting shaft peripheral walls is provided with a linkage toothed ring, the linkage toothed ring is meshed with a driving gear, and the driving.

Through adopting above-mentioned technical scheme, drive gear rotates through electronic one connecting shaft of linkage ring gear to under bevel gear's switching-over and conveying effect, arouse the rotation of other connecting shafts and line roller, thereby can make a plurality of cable synchronous motion, thereby can improve the mobility stability of holding in the palm the material seat.

The invention is further provided with a baffle arranged on the end wall of the upper surface of the material supporting seat.

Through adopting above-mentioned technical scheme, realize spacingly to the work piece in the horizontal direction to improve the stability of work piece on holding in the palm the material seat.

The furnace body is further provided with a travelling rail extending along the vertical direction on the inner side wall of the furnace body, the travelling wheels are arranged on the travelling rail in a rolling manner, limiting pieces are arranged on two sides of the width of the travelling rail, a limiting sliding block is arranged at the axial end of a rotating shaft of the travelling wheel, and a limiting groove connected with the limiting sliding block in a sliding manner along the vertical direction is arranged on the limiting piece.

Through adopting above-mentioned technical scheme, spacing piece and spacing slider realize the ascending spacing of level and vertical side respectively to the travelling wheel to can improve the stability that the travelling wheel removed, and then improve the stability that holds in the palm the material seat and remove.

The invention is further provided with a buffer spring which is telescopic along the vertical direction and arranged at the bottom end of the material supporting seat, and a buffer block is arranged at the bottom end of the buffer spring; when the material supporting seat is located at the lowest position in the furnace body, the buffer spring is in a compression state, and the elasticity is not larger than the gravity of the material supporting seat.

Through adopting above-mentioned technical scheme, when holding in the palm the material seat and slide to the least significant end, buffer spring takes place elastic expansion, cushions the inertia of holding in the palm the material seat, reduces the wearing and tearing of work piece.

In conclusion, the invention has the following beneficial effects:

1. according to the invention, by pulling the inhaul cable and under the guiding action of the supporting legs and the travelling wheels, the workpiece can be placed on the material supporting seat in the visual field of a person, and the material supporting seat can stably move the workpiece into the furnace body, so that the collision of the workpiece is effectively reduced; the sealing cover and the locking piece are arranged, so that the sealing cover can seal the furnace body, and the heat treatment device can work normally;

2. the locking piece disclosed by the invention can be used for directly fixing the sealing cover while sealing the guide hole, and is convenient and quick.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Figure 2 is a partial cross-sectional view of a structure embodying the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a cross-sectional view of a spacing block and spacing groove configuration used to embody the present invention.

Fig. 5 is an enlarged view at B in fig. 2.

Fig. 6 is a cross-sectional view of a retaining member structure embodying the present invention.

Reference numerals: 1. a furnace body; 11. a working device; 2. sealing the cover; 21. a mating groove; 3. a material supporting seat; 31. a yielding cavity; 32. fencing; 33. a buffer spring; 331. a buffer block; 4. a support leg; 41. a traveling wheel; 411. track walking; 412. a limiting sheet; 413. a limiting slide block; 414. a limiting groove; 5. a cable; 51. pulling the block; 52. connecting the ball; 53. connecting blocks; 531. a rotation chamber; 54. a spherical arc groove; 6. a guide block; 61. a guide hole; 7. a guide wheel; 8. a sealing lock piece; 81. fixing the semi-embracing ring; 82. a movable semi-embracing ring; 821. a locking ring; 83. a locking lever; 84. a pull rod; 841. erecting a rod; 842. rotating the plate; 85. pulling the sleeve; 86. a locking member; 861. a limiting abutting block; 862. a locking head; 863. locking the walking ring; 864. interlinking; 9. a wire take-up and pay-off assembly; 91. rotating; 92. a wire roller; 93. a connecting shaft; 94. a bevel gear; 95. a linkage toothed ring; 96. a drive motor; 97. the gears are driven.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the invention discloses a gear heat treatment device, which comprises a furnace body 1, a sealing cover 2 and a working device 11, wherein the working device 11 is arranged in the furnace body 1 and performs the work of heat source supply, temperature detection, temperature control and the like for heat treatment work, in the embodiment, the heat source is a heating ring, and the sealing cover 2 is detachably arranged at the top end of the furnace body 1; in this embodiment, the heat treatment device further comprises a material supporting seat 3, four supporting legs 4, traveling wheels 41, guide blocks 6 and guide wheels 7, wherein the four supporting legs 4 are uniformly and fixedly arranged at the edge of the lower surface of the material supporting seat 3, the traveling wheels 41 are rotatably arranged at the bottom end of each supporting leg 4 far away from the material supporting seat 3 and are arranged on the inner side wall of the furnace body 1 in a sliding manner along the vertical direction, and uniform gaps exist between the vertical peripheral wall of the material supporting seat 3 and the inner side wall of the furnace body 1 to form a yielding cavity 31, so that the supporting legs 4 are in an inclined state; the inhaul cable 5 is also provided with four and one end is uniformly fixed on the vertical peripheral wall of the material supporting seat 3, the guide block 6 corresponds to the inhaul cable 5 one to one and is arranged on the top end of the furnace body 1, the guide block 6 extends to the side wall in the furnace body 1 and is provided with a guide hole 61 (see fig. 3) in a penetrating manner, the guide hole 61 extends along the vertical direction and is opposite to the bottom end of the inhaul cable 5 in the vertical direction, therefore, one end of the inhaul cable 5, far away from the material supporting seat 3, extends along the vertical direction in the abdicating cavity 31 and then passes through the guide hole 61 (see fig. 3), the guide wheel 7 is rotatably arranged on the upper surface of the guide block 6 and is abutted against the inhaul cable 5, one end of the inhaul cable 5, far away from the material supporting seat 3, is far away from the furnace body 1 after passing through the guide wheel 7, and one end of the inhaul cable 5, far away from the furnace body 1, is connected with a wire collecting and paying-off assembly 9; simultaneously in order to satisfy the relative sealed of furnace body 1 for heat treatment device normally works, the position that the closing cap 2 end wall is relative with guide block 6 runs through and is provided with cooperation groove 21, and cooperation groove 21 sets up with the perisporium laminating of guide block 6, still is provided with the sealed latch fitting 8 that is used for sealed guiding hole 61 on the closing cap 2.

As shown in fig. 1 and 2, in the process of processing the gear workpiece, firstly, the seal cover 2 is taken away from the furnace body 1, a hoisting device (not shown in the figure) can be adopted, then the wire take-up and pay-off assembly 9 is started, the cable 5 is taken up, so that the cable 5 pulls the material support seat 3 to move upwards, meanwhile, the travelling wheel 41 slides on the inner wall of the furnace body 1 to stabilize the material support seat 3, after the material support seat 3 moves above the furnace body 1, the gear workpiece is placed on the material support seat 3 within the visual field range of a person, then the wire take-up and pay-off assembly 9 is started to pay off the cable 5, so that the material support seat 3 drives the gear workpiece to move stably into the furnace body 1, then the seal cover 2 is covered, the seal lock 8 is used for sealing the guide hole 61, and finally the working device 11 is opened for heat treatment.

As shown in fig. 1, the wire take-up and pay-off assembly 9 includes a rotary seat 91, wire rollers 92, a connecting shaft 93 and bevel gears 94, the rotary seat 91 and the cable 5 are arranged in a one-to-one correspondence and uniformly distributed around the furnace body 1, four wire rollers 92 are respectively rotatably arranged on the four rotary seats 91, one end of the cable 5 far away from the material supporting seat 3 is fixedly arranged on the wire rollers 92, the connecting shaft 93 is fixedly arranged at two axial ends of the wire rollers 92, the bevel gears 94 are arranged at one end of the connecting shaft 93 far away from the wire rollers 92, and two adjacent bevel gears 94 are meshed with each other, a linkage toothed ring 95 is arranged on the peripheral wall of one connecting shaft 93, the linkage toothed ring 95 is meshed with a driving gear 97, and the driving gear 97 is connected with a driving motor 96. The driving motor 96 is started to make the driving gear 97 meshed with the linkage toothed ring 95, so that the connecting shaft 93 connected with the linkage toothed ring 95 rotates, and then all the wire rollers 92 rotate under the meshing action of the bevel gears 94 to realize the release and the retraction of the inhaul cable 5.

As shown in fig. 2 and 4, in this embodiment, in order to improve the stability of the material supporting seat 3 for supporting and feeding the gear workpiece, firstly, in this embodiment, a surrounding barrier 32 is convexly disposed on the end wall of the upper surface of the material supporting seat 3, and the surrounding barrier 32 limits the gear workpiece on the upper surface of the material supporting seat 3. Meanwhile, a traveling rail 411 extending along the vertical direction is arranged on the inner side wall of the furnace body 1, the traveling wheels 41 are arranged on the traveling rail 411 in a rolling manner, limiting pieces 412 are arranged on two sides of the width of the traveling rail 411, a limiting sliding block 413 is convexly arranged at the axial end of a rotating shaft of each traveling wheel 41, and a limiting groove 414 connected with the limiting sliding block 413 in a sliding manner along the vertical direction is concavely arranged on each limiting piece 412; when the material supporting seat 3 moves, the travelling wheel 41 rolls on the travelling wheel 41, and the limiting sliding block 413 slides in the limiting groove 414, so that the travelling wheel 41 is limited, and the moving stability of the material supporting seat 3 is improved.

As shown in fig. 2, a buffer spring 33 which extends and retracts in the vertical direction is further arranged at the bottom end of the material supporting seat 3, and a buffer block 331 is arranged at the bottom end of the buffer spring 33; therefore, when the stay cable 5 places the material supporting seat 3 at the lowest position in the furnace body 1, the buffering block 331 is abutted on the side wall of the furnace body 1, and the buffering spring 33 is in a compression state after being elastically deformed and the elasticity is not greater than the gravity of the material supporting seat 3, so that the inertia of the material supporting seat 3 is buffered.

As shown in fig. 3 and 5, the cable 5 in this embodiment includes a plurality of pull blocks 51, a connecting ball 52, a connecting block 53 and a ball arc groove 54, the pull blocks 51 are arranged in a row along the length direction of the cable 5, the ball arc grooves 54 are concavely disposed on opposite sidewalls of adjacent pull blocks 51, and the connecting ball 52 is rotatably disposed in the ball arc groove 54; the maximum length of the spherical arc groove 54 perpendicular to the direction of the groove opening is larger than the spherical radius of the connecting ball 52 and smaller than the spherical diameter of the connecting ball 52; the connecting block 53 is fixedly arranged between the opposite side walls of the two adjacent connecting balls 52, the pulling block 51 and the pulling block 51 are separately arranged and form a rotating cavity 531, and the peripheral wall of the pulling block 51 is attached to and slides on the hole wall of the guide hole 61. When the wire roller 92 rotates, the cable 5 below the guide hole 61 moves in the vertical direction, and when the cable 5 passes through the guide wheel 7, the connecting ball 52 rotates in the ball arc groove 54, so that the adjacent pulling block 51 rotates at the rotating cavity 531, and the direction change of the cable 5 is satisfied.

As shown in fig. 3 and 6, the sealing lock 8 includes a fixed half hoop 81, a movable half hoop 82, a locking rod 83, a pull rod 84 and a pull sleeve 85, the fixed half hoop 81 is fixedly disposed on the upper surface of the guide block 6 and is located on one side of the movable half hoop 82 away from the inner side of the furnace body 1, and the movable half hoop 82 is slidably disposed on the upper surface of the sealing cover 2; the fixed pole setting 841 that is provided with of activity both ends wall upper surface of partly embracing ring 82, pull rod 84 rotates the top that sets up at pole setting 841, draw set 85 through changeing board 842 rotate the setting and keep away from the one end of pole setting 841 at pull rod 84, changeing board 842 both ends respectively with draw set 85 and pull rod 84 rotate the connection, locking lever 83 sets up and is located the activity on the guide block 6 upper surface and partly embraces the ring 82 and keep away from the inboard one side of furnace body 1, in this embodiment, locking lever 83 sets up the upper surface of partly embracing ring 81 fixedly, be provided with the retaining member 86 that is used for taut catch 821 on the locking lever 83. After the sealing cover 2 is placed at the top end of the furnace body 1, the matching groove 21 is attached to and inserted into the guide block 6, then the movable semi-surrounding ring 82 is moved until the movable semi-surrounding ring 82 slides to the end wall to abut against the end wall of the fixed semi-surrounding ring 81, the bottom wall of the movable semi-surrounding ring 82 is attached to the upper surface of the guide block 6 in a sealing mode, the fixed semi-surrounding ring 81 and the movable semi-surrounding ring 82 form a locking ring 821, and the inner annular wall of the locking ring 821 is attached to the vertical peripheral wall of the pull block 51 in a sealing mode; then, the pull sleeve 85 is sleeved on the locking rod 83, and the locking ring 821 is locked by the locking member 86, so that the guide hole 61 can be closed, and the seal cover 2 can be fixed.

As shown in fig. 3 and 6, the locking member 86 includes a limit abutting block 861, a locking head 862 and a locking loop 863, the locking loop 863 is screwed on the peripheral wall of the locking rod 83 along the vertical direction, meanwhile, a link 864 sliding on the peripheral wall of the locking rod 83 along the vertical direction is rotatably disposed at the top end of the locking loop 863, the locking head 862 is disposed at one end of the upper surface of the link 864 away from the movable semi-hoop 82, and one side of the locking head 862 is disposed in close contact with the locking rod 83, and one side of the locking head 862 away from the locking rod 83 is an inclined surface and inclines towards the locking rod 83 along the upward direction, in this embodiment, the locking head 862 is a tapered half-ring; after the pull sleeve 85 is sleeved on the locking rod 83, the limiting abutting block 861 is in threaded connection with the top end of the locking rod 83, the lower surface of the limiting abutting block 861 abuts against the upper surface of the pull sleeve 85 at the moment, then the locking walking ring 863 is rotated, and the tip of the locking head 862 can be gradually inserted into the inner ring of the pull sleeve 85 at the moment, so that the pull sleeve 85 is extruded in the direction away from the movable semi-holding ring 82, and the locking ring 821 is locked.

The working process is as follows:

firstly, the seal cover 2 is taken away from the furnace body 1, then the driving motor 96 is started, the wire rotating roller 92 is rotated forward, the inhaul cable 5 is collected, the inhaul cable 5 pulls the material supporting seat 3 to move upwards, and after the material supporting seat 3 moves to the upper side of the furnace body 1, the gear workpiece is placed on the material supporting seat 3 within the visual range of people.

Then the driving motor 96 is started again, the wire roller 92 is reversed, the guy 5 is paid off, the material supporting seat 3 drives the gear workpiece to stably move into the furnace body 1, then the sealing cover 2 is covered, and the matching groove 21 is jointed and spliced with the guide block 6.

Finally, the movable half-embracing ring 82 is moved until the movable half-embracing ring 82 slides to the end wall to abut against the end wall of the fixed half-embracing ring 81, the fixed half-embracing ring 81 and the movable half-embracing ring 82 form a locking ring 821, then the pull sleeve 85 is sleeved on the locking rod 83, the limiting abutting block 861 is in threaded connection with the top end of the locking rod 83, then the locking walking ring 863 is rotated, the tip of the locking head 862 can be gradually inserted into the inner ring of the pull sleeve 85 at the moment, the locking ring 821 can be locked, and then the working device 11 is utilized for carrying out heat treatment.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a gear heat treatment device, includes furnace body (1), closing cap (2) and equipment (11), equipment (11) sets up in furnace body (1), closing cap (2) can be dismantled and set up on furnace body (1) top, its characterized in that, equipment still includes and holds in the palm material seat (3), landing leg (4), travelling wheel (41), cable (5), guide block (6) and leading wheel (7), landing leg (4) have at least three and equipartition in holding in the palm material seat (3) lower surface edge, travelling wheel (41) set up in landing leg (4) keep away from the bottom of holding in the palm material seat (3) and slide along vertical direction and set up on furnace body (1) inside wall, form between the vertical perisporium of holding in the palm material seat (3) and furnace body (1) inside wall and let a position chamber (31); the furnace body material supporting device is characterized in that at least three inhaul cables (5) are arranged, one ends of the inhaul cables (5) are uniformly distributed on the vertical peripheral wall of the material supporting seat (3), the guide blocks (6) correspond to the inhaul cables (5) one by one and are arranged at the top end of the furnace body (1), guide holes (61) penetrate through the side wall of the furnace body (1) where the guide blocks (6) extend, one ends of the inhaul cables (5) far away from the material supporting seat (3) penetrate through the guide holes (61) and extend along the vertical direction, the parts of the inhaul cables (5) between the guide blocks (6) and the material supporting seat (3) extend, the guide wheels (7) are rotatably arranged on the upper surface of the guide blocks (6) and are abutted against the inhaul cables (5), one ends of the inhaul cables (5) far away from the material supporting seat (3) pass through the guide wheels (7) and then are far away from the furnace body (1), one ends of the inhaul cables (5) far away from the furnace body (1) are connected with wire retracting assemblies (9), and matching grooves (21) are arranged at the positions of the sealing cover (2) opposite to the guide blocks (6), the matching groove (21) is attached to the peripheral wall of the guide block (6), and a sealing lock piece (8) for sealing the guide hole (61) is arranged on the sealing cover (2);

the sealing lock piece (8) comprises a fixed semi-embracing ring (81), a movable semi-embracing ring (82), a locking rod (83), a pull rod (84) and a pull sleeve (85), wherein the fixed semi-embracing ring (81) is arranged on the upper surface of the guide block (6) and is positioned on one side of the movable semi-embracing ring (82) far away from the inner side of the furnace body (1), and the movable semi-embracing ring (82) is arranged on the upper surface of the sealing cover (2) in a sliding manner; when the movable half embracing ring (82) slides to the end wall to abut against the end wall of the fixed half embracing ring (81), the bottom wall of the movable half embracing ring (82) is in sealing fit with the upper surface of the guide block (6), the fixed half embracing ring (81) and the movable half embracing ring (82) form a locking ring (821), and the inner annular wall of the locking ring (821) is in sealing fit with the vertical peripheral wall of a pull block (51); the upper surfaces of the two end walls of the movable semi-embracing ring (82) are provided with vertical rods (841), the pull rod (84) is rotatably arranged at the top end of the vertical rods (841), the pull sleeve (85) is rotatably arranged at one end, far away from the vertical rods (841), of the pull rod (84) through a rotating plate (842), two ends of the rotating plate (842) are respectively rotatably connected with the pull sleeve (85) and the pull rod (84), the locking rod (83) is arranged on one side, far away from the inner side of the furnace body (1), of the movable semi-embracing ring (82) on the upper surface of the guide block (6), the pull sleeve (85) is sleeved with the locking rod (83), and the locking rod (83) is provided with a locking piece (86) for tensioning the locking ring (821).

2. A gear heat treatment apparatus according to claim 1, wherein: the inhaul cable (5) comprises a plurality of pulling blocks (51), connecting balls (52), connecting blocks (53) and spherical arc grooves (54), the pulling blocks (51) are arranged in the length direction of the inhaul cable (5), the spherical arc grooves (54) are concavely arranged on opposite side walls of adjacent pulling blocks (51), and the connecting balls (52) are arranged in the spherical arc grooves (54) in a fitting and rotating mode; the maximum length of the spherical arc groove (54) perpendicular to the direction of the groove opening is greater than the spherical radius of the connecting ball (52) and smaller than the spherical diameter of the connecting ball (52); the connecting block (53) is fixedly arranged between the opposite side walls of two adjacent connecting balls (52), the pulling block (51) and the pulling block (51) are separately arranged to form a rotating cavity (531), and the peripheral wall of the pulling block (51) is attached to and slides along the hole wall of the guide hole (61).

3. A gear heat treatment apparatus according to claim 1, wherein: the locking piece (86) comprises a limiting abutting block (861), a locking head (862) and a locking walking ring (863), the locking walking ring (863) is in threaded connection with the peripheral wall of the locking rod (83) along the vertical direction, the top end of the locking walking ring (863) is rotatably provided with a connecting ring (864), the connecting ring (864) is arranged on the peripheral wall of the locking rod (83) in a sliding way along the vertical direction, the locking head (862) is arranged at one end of the upper surface of the connecting ring (864) far away from the movable semi-hoop (82), one side of the locking head (862) is attached to the locking rod (83), one side of the locking head (862) far away from the locking rod (83) is an inclined surface and inclines towards the locking rod (83) along the upward direction, the tip of the locking head (862) is inserted into the inner ring of the pull sleeve (85), and the limiting abutting block (861) is fixed at the top end of the locking rod (83) in a threaded manner, and the lower surface of the limiting abutting block abuts against the upper surface of the pull sleeve (85).

4. A gear heat treatment apparatus according to claim 1, wherein: receive and release line subassembly (9) and include swivel mount (91), line roller (92), connecting shaft (93) and bevel gear (94), swivel mount (91) and cable (5) one-to-one set up and the equipartition is around furnace body (1), line roller (92) rotate and set up on swivel mount (91), the one end that holds in the palm material seat (3) is kept away from in cable (5) is fixed to be set up on line roller (92), connecting shaft (93) set up the axial both ends at line roller (92), bevel gear (94) set up the one end of keeping away from line roller (92) in connecting shaft (93), adjacent two bevel gear (94) mesh, one of them be provided with linkage ring gear (95) on connecting shaft (93) perisporium, the meshing of linkage ring gear has drive gear (97), drive gear (97) are connected with driving motor (96).

5. A gear heat treatment apparatus according to claim 1, wherein: and a surrounding baffle (32) is arranged on the end wall of the upper surface of the material supporting seat (3).

6. A gear heat treatment apparatus according to claim 1, wherein: be provided with on the inside wall of furnace body (1) and follow rail (411) that vertical direction extends, driving wheel (41) roll and set up on rail (411), the width both sides of rail (411) are provided with spacing piece (412), the pivot axial end of driving wheel (41) is provided with spacing slider (413), be provided with on spacing piece (412) with spacing slider (413) along vertical direction sliding connection's spacing groove (414).

7. A gear heat treatment apparatus according to claim 1, wherein: the bottom end of the material supporting seat (3) is provided with a buffer spring (33) which stretches along the vertical direction, and the bottom end of the buffer spring (33) is provided with a buffer block (331); when the material supporting seat (3) is positioned at the lowest position in the furnace body (1), the buffer spring (33) is in a compression state, and the elasticity is not larger than the gravity of the material supporting seat (3).