CN116926305B - Post-forming heat treatment equipment for engineering machinery fittings - Google Patents
Post-forming heat treatment equipment for engineering machinery fittings Download PDFInfo
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- CN116926305B CN116926305B CN202311190913.XA CN202311190913A CN116926305B CN 116926305 B CN116926305 B CN 116926305B CN 202311190913 A CN202311190913 A CN 202311190913A CN 116926305 B CN116926305 B CN 116926305B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000007306 turnover Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 238000007669 thermal treatment Methods 0.000 claims 4
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/28—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for plain shafts
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The utility model relates to the technical field of heat treatment of mechanical parts, and in particular provides post-manufacturing heat treatment equipment for engineering mechanical parts, which comprises the following components: the device comprises a heat treatment box, an automatic closing mechanism and a receiving and fixing mechanism. According to the utility model, the gear shaft is held by the gravity pressing of the rotating ring in the bearing and fixing mechanism and the support of the top supporting rod, and the gear shaft is limited by the insertion block and the insertion fit between two adjacent teeth in the bevel gear on the gear shaft, namely, the bearing and fixing mechanism can carry out targeted clamping and limiting according to the shape characteristics of the gear shaft, so that the convenience of fixing the gear shaft is improved, the stability of fixing the gear shaft is also improved, the gear shaft is prevented from falling in the process of entering the heat treatment box and receiving rotary heating, and after the previous gear shaft enters the heat treatment box, the next gear shaft can be placed on the other bearing and fixing mechanism, and the gear shaft continuously enters the heat treatment box for heat treatment heating.
Description
Technical Field
The utility model relates to the technical field of heat treatment of mechanical parts, and particularly provides heat treatment equipment for engineering mechanical parts after manufacturing and forming.
Background
The power transmission system of engineering machinery is provided with a speed reducer, a gear shaft belongs to an important component in the speed reducer, and the gear shaft is required to be subjected to heat treatment after being manufactured and formed, so that the performance of the gear shaft is improved through the heat treatment.
The Chinese patent application No. 202223006483.5 discloses a gear shaft heat treatment device, wherein a clamping plate is used for fixing a gear shaft, a mechanism for driving the clamping plate to move and rotate is arranged, so that the gear shaft can automatically enter a heating furnace, and the gear shaft is heated more uniformly through rotation in the heating process; and when fixing and clamping the gear shaft, the clamping plate is pushed to move by the elasticity of the spring to clamp the gear shaft, so that the gear shaft is easy to be unstable in fixation, and the elasticity of the spring is easy to be influenced by the temperature in the heating furnace, so that the problem that the gear shaft falls off when being heated in the heating furnace in a rotating manner is easy to occur.
Disclosure of Invention
In view of the above problems, an embodiment of the present utility model provides a post-manufacturing heat treatment device for an engineering machine fitting, so as to solve the technical problems that a gear shaft cannot perform continuous conveying heat treatment and the gear shaft is unstable in fixing and is prone to falling in the related art.
In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: a post-forming heat treatment apparatus for manufacturing an engineering machine tool part, comprising: the heat treatment box is provided with a feed inlet and a discharge outlet respectively along two sides of the heat treatment box which are distributed along the length direction, and the feed inlet and the discharge outlet are provided with automatic closing mechanisms.
The conveying mechanism comprises two chains and a driving group which is in meshed transmission with the two chains and drives the two chains to move, and the chains penetrate through the feed inlet and the discharge outlet.
The bearing fixing mechanisms are uniformly distributed along the chains, fix the gear shafts, and the gear shafts consist of a shaft rod, a bevel gear fixedly sleeved at the upper end of the shaft rod and a key slot formed at the lower end of the shaft rod.
The bearing fixing mechanism comprises a fixing seat arranged between two chains, the fixing seat is composed of two lug plates hinged with the chains and an annular disc connected between the two lug plates, the middle part of the annular disc is connected with a plurality of hanging rods which slide up and down and are distributed along the circumference of the annular disc in a penetrating manner, limiting pieces are arranged behind the hanging rods penetrating through the annular disc, one ends of the limiting pieces, far away from the limiting pieces, of the hanging rods are jointly provided with an annular frame, the end face, far away from the annular disc, of the annular frame is rotationally connected with a rotating ring, the end face, far away from the annular disc, of the rotating ring is provided with inserting blocks which are uniformly distributed along the circumferential direction of the rotating ring, the inserting blocks are oblique and are used for being inserted into tooth gaps of bevel gears, the end face, far away from the chains, of the annular disc, close to the edge is provided with L-shaped rods, the horizontal section of the L-shaped rods is provided with supporting discs, the end face, close to the rotating ring, the supporting discs are provided with supporting rods which are concentric, the vertical sections of the L-shaped rods are provided with middle bearing rings, one sides, far away from the vertical sections of the L-shaped rods are provided with sockets, and the inserting grooves are between the rotating ring and the rotating ring, and the bevel gears are fixed between the middle bearing rings and the rotating ring.
The heat treatment box is provided with a limiting guide mechanism for supporting and guiding the movement of the supporting disc, and the heat treatment box is provided with a rotary driving mechanism for driving the gear shaft to rotate.
In a possible implementation mode, rotary driving mechanism is including setting up at the heat treatment incasement wall and the rack of arranging from top to bottom, the rack is connected with the treatment incasement wall through the connecting strip of arranging along its length direction symmetry, the fixed cover in outer ring face of swivel ring is equipped with a gear, rotate on the support ring and be connected with No. two gears, the spliced eye has been seted up at the middle part of No. two gears, the plug-in components are installed to the inner ring face of No. two gears, the plug-in components is pegged graft the cooperation with the keyway on the axostylus axostyle, a gear and No. two gears correspond with two upper and lower racks respectively, a gear is the same with No. two gear sizes, and when the plug-in components inserts between two adjacent teeth on the helical gear, a gear aligns with No. two gear's tooth.
In one possible implementation mode, the automatic closing mechanism at the feed inlet comprises two revolving doors hinged to the inner wall of the feed inlet through torsion spring rods, the revolving doors are symmetrically arranged along the length direction of the feed inlet, the top of each revolving door is rotationally connected with a supporting roller, a chain is located above each revolving door, the supporting rollers are in rolling contact with the chains and support the chains, the top of each feed inlet is hinged to a turnover door, the turnover door is located between the two chains, and the turnover doors are matched with the two revolving doors to seal the feed inlet.
The automatic closing mechanism at the discharge hole is the same as the automatic closing mechanism at the feed hole.
In a possible implementation mode, spacing guiding mechanism is including connecting the supporting rail on the two lateral walls that heat treatment case was arranged along its length direction, the last spacing guide slot of having seted up of supporting rail, rectangular channel has been seted up to the lateral wall of spacing guide slot, spacing guide slot and rectangular channel all run through the lower extreme of feed inlet and discharge gate simultaneously, and spacing guide slot is located between two revolving doors, the terminal surface that the bracing piece was kept away from to the supporting disk is installed and is kept away from the locating lever of bracing piece, the lateral wall rotation of locating lever is connected with the fender roller, keep off the roller get into after the rectangular channel with rectangular channel rolling contact, the one end rolling connection of locating lever keeping away from the supporting disk has the ball, ball and spacing guide slot rolling contact, all install the shutoff group with the spacing guide slot shutoff of feed inlet and discharge gate lower extreme on the revolving door in the feed inlet and the discharge gate.
In a possible implementation mode, the heat treatment box is along the equal ball joint in both sides inner wall that its width direction was arranged has a plurality of axles of accepting, and a plurality of axles of accepting are evenly arranged along heat treatment box length direction, accept the axle and be used for supporting the chain, and the inner wall of heat treatment box is installed and is used for carrying out spacing U type cover to accepting the axle, and U type cover opening is towards the discharge gate, accepts the axle and keeps away from the one end of chain and install the inserted bar, has seted up the spacing groove on the heat treatment box, and the promotion seat is installed through reset spring to the spacing inslot, promotes seat and inserted bar rotation contact.
In one possible implementation mode, the plugging group comprises a plugging strip arranged at the lower end of the revolving door, the lower end faces of the feeding hole and the discharging hole are respectively provided with an arc-shaped chute communicated with the limiting guide groove and symmetrically arranged along the axis of the limiting guide groove, and when the revolving door drives the plugging strip to rotate, the plugging strip slides along the arc-shaped chute.
In one possible implementation manner, the lifting frame is commonly installed at the tops of the four limiting sheets on the fixing seat.
The above technical solutions in the embodiments of the present utility model have at least one of the following technical effects: 1. according to the post-manufacturing heat treatment equipment for the engineering machinery fittings, which is designed by the utility model, the gear shafts are held by the gravity pressing of the rotating ring in the bearing and fixing mechanism and the support of the top supporting rod, and the limiting of the gear shafts is realized through the insertion and matching between the insertion block and two adjacent teeth in the bevel gear on the gear shafts, namely, the bearing and fixing mechanism can carry out targeted clamping limiting according to the shape characteristics of the gear shafts, so that the convenience of fixing the gear shafts is improved, the stability of fixing the gear shafts is also improved, the gear shafts are prevented from falling in the process of receiving rotary heating when entering the heat treatment box, the next gear shafts can be placed on the other bearing and fixing mechanism after entering the heat treatment box, the gear shafts continuously enter the heat treatment box for heat treatment, and the heat treatment efficiency of the gear shafts is improved.
2. When the chain drives the bearing fixing mechanism and the gear to move towards the heat treatment box, the automatic closing mechanism of the feed inlet is opened, then the gear shaft is conveyed into the heat treatment box for heat treatment, and then the feed inlet is closed by the automatic closing mechanism, so that resource waste caused by heat outflow in the heat treatment box is avoided.
3. When the gear shaft enters the heat treatment box and moves continuously, the rotary driving mechanism drives the gear shaft to rotate through the cooperation between the rotary driving mechanism and the rotary shaft, so that the gear shaft is heated uniformly, and the performance of the gear shaft is improved.
4. The limiting guide mechanism can limit, support and guide the supporting disc, and the problem that the stability of fixing the gear shaft is affected because the interference force of the two racks on the first gear and the second gear pushes the fixed gear shaft to shake when the first gear and the second gear are in meshed transmission contact with the upper gear and the lower gear due to the fact that the end of the L-shaped rod, which is far away from the fixing seat, is free of supporting force is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a main perspective structure of the present utility model.
Fig. 2 is a schematic view of a partially cut-away perspective structure of the present utility model.
Fig. 3 is an enlarged schematic view of a portion of fig. 2 of the present utility model.
Fig. 4 is a schematic perspective view of the bearing and fixing mechanism and the gear shaft of the present utility model.
Fig. 5 is a schematic perspective view of the receiving and fixing mechanism of the present utility model.
Fig. 6 is a schematic structural view of a limit guide mechanism, a support disc, a support rod, a support ring, a top support rod and a second gear of the present utility model.
Fig. 7 is a schematic top view of the bearing shaft, the U-shaped cover, the insert rod, the limit groove, the pushing seat and the return spring.
Fig. 8 is a schematic view of the structure of the revolving door and the support roller of the present utility model.
Reference numerals: 1. a heat treatment tank; 2. a feed inlet; 3. a discharge port; 4. an automatic closing mechanism; 5. a chain; 6. a receiving and fixing mechanism; 7. a gear shaft; 8. a limit guide mechanism; 9. a rotary driving mechanism; 10. a receiving shaft; 11. a U-shaped cover; 12. a rod; 13. a limit groove; 14. a pushing seat; 15. a return spring; 40. a revolving door; 41. a support roller; 42. a roll-over door; 60. a fixing seat; 61. ear plates; 62. an annular disc; 63. a boom; 64. a limiting piece; 640. a lifting frame; 65. an annular frame; 66. a rotating ring; 68. inserting blocks; 69. an L-shaped rod; 601. a support plate; 602. a support rod; 603. a support ring; 604. a top brace rod; 605. a middle bearing ring; 606. a socket; 70. a shaft lever; 71. bevel gear; 72. a key slot; 80. a support rail; 81. a limiting guide groove; 82. rectangular grooves; 83. a limit rod; 84. a blocking roller; 85. plugging the group; 850. a plugging strip; 851. an arc chute; 90. a rack; 91. a connecting strip; 92. a first gear; 93. a second gear; 94. an insert.
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.
In order that those skilled in the art will better understand the present utility model, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, a post-forming heat treatment apparatus for manufacturing an engineering machine tool part includes: the heat treatment box 1, feed inlet 2 and discharge gate 3 have been seted up respectively to the both sides that heat treatment box 1 arranged along its length direction, all install automatic closing mechanism 4 on feed inlet 2 and the discharge gate 3.
Referring to fig. 1 and 2, the conveying mechanism comprises two chains 5 and a driving group which is meshed with the two chains 5 to drive the two chains 5 to move, wherein the chains 5 penetrate through the feed inlet 2 and the discharge outlet 3, the driving group is an existing rotating shaft, a motor and a chain wheel which is meshed with the chains 5 to drive the rotating shaft to rotate with the chain wheel, so that the chains 5 are driven to move (only part of structures of the chains 5 are shown in the figure).
Referring to fig. 1 and 4, a plurality of receiving and fixing mechanisms 6 are all disposed between two chains 5, the plurality of receiving and fixing mechanisms 6 are uniformly divided into a plurality of groups, the plurality of groups of receiving and fixing mechanisms 6 are uniformly arranged along the chains 5, the receiving and fixing mechanisms 6 are used for receiving and fixing a gear shaft 7, the gear shaft 7 is composed of a shaft rod 70, a bevel gear 71 fixedly sleeved at the upper end of the shaft rod 70 and a key slot 72 formed at the lower end of the shaft rod 70, and the chain 5 intermittently drives one group of receiving and fixing mechanisms 6 to enter the heat treatment box 1 each time.
Referring to fig. 4, 5 and 6, the receiving and fixing mechanism 6 includes a fixing seat 60 disposed between two chains 5, the fixing seat 60 is composed of two lugs 61 hinged to the chains 5 and an annular disc 62 connected between the two lugs 61, a plurality of hanging rods 63 sliding up and down and circumferentially distributed along the annular disc 62 are connected in the middle of the annular disc 62 in a penetrating manner, a limit plate 64 is mounted after the hanging rods 63 penetrate the annular disc 62, one ends of the hanging rods 63 far away from the limit plate 64 are jointly mounted with an annular frame 65, the end surface of the annular frame 65 far away from the annular disc 62 is rotatably connected with a rotating ring 66, the end surface of the rotating ring 66 far away from the annular disc 62 is mounted with inserting blocks 68 uniformly distributed along the circumferential direction thereof, the inserting blocks 68 are inclined and are used for being inserted into tooth gaps of a bevel gear 71, the end surface of the annular disc 62 far away from the chains 5 is mounted with an L-shaped rod 69 near the edge, a horizontal section of the L-shaped rod 69 is mounted with a supporting disc 601, the end face of the supporting disk 601, which is close to the rotating ring 66, is provided with a supporting ring 603 through a supporting rod 602 which is uniformly distributed, the supporting disk 601 is provided with a supporting rod 604 which is concentric with the supporting ring, the top of the supporting rod 604 is provided with a ball, the vertical section of the L-shaped rod 69 is provided with a middle supporting ring 605, the upper end face of the middle supporting ring 605 is in rolling connection with a plurality of balls which are uniformly distributed, the ball is used for reducing the friction force between the lower end face of the bevel gear 71 and the middle supporting ring 605 in the rotating process, one side of the middle supporting ring 605, which is far away from the vertical section of the L-shaped rod 69, is provided with a socket 606, the shaft lever 70 is inserted between the rotating ring 66 and the supporting ring 603, the bevel gear 71 is fixed between the middle supporting ring 605 and the rotating ring 66, the bottom of the shaft lever 70 is contacted with the balls on the supporting rod 604 to realize the center point contact, the supporting rod 604 supports the bottom of the shaft lever 70, and meanwhile, the heat treatment of the gear shaft 7 is prevented from being influenced by excessive contact surfaces of the gear shaft and the gear shaft by point contact.
Referring to fig. 1 and 2, a limit guide mechanism 8 for supporting and guiding movement of a support plate 601 is provided on the heat treatment tank 1, and a rotation drive mechanism 9 for driving the gear shaft 7 to rotate is provided on the heat treatment tank 1.
The chain 5 drives the bearing fixing mechanism 6 to intermittently move, when the chain 5 intermittently stops, the gear shaft 7 is placed between the two chains 5, the shaft rod 70 is positioned on one side of the middle bearing ring 605 where the socket 606 is formed, then the annular frame 65 and the rotating ring 66 are pushed to move upwards, the distance between the rotating ring 66 and the middle bearing ring 605 is increased, then the shaft rod 70 of the gear shaft 7 is placed into the middle bearing ring 605 from the socket 606, then the shaft rod 70 of the gear shaft 7 is downwards inserted into the inner annular surface of the supporting ring 603 until the bottom of the shaft rod 70 is in contact with balls on the top supporting rod 604, at the moment, the lower end of the bevel gear 71 is positioned on the middle bearing ring 605, then the rotating ring 66 is put down, the insert block 68 is inserted between two adjacent teeth on the bevel gear 71 in the downward moving process of the rotating ring 66, and therefore the gear shaft 7 is limited, and the rotating ring 66 presses the bevel gear 71 against the middle bearing ring 605 under the action of automatic gravity, so that the convenience of placing and fixing the gear shaft 7 is improved, the contact area of the gear shaft 7 is reduced, and the heat treatment effect of the gear shaft 7 is improved.
Referring to fig. 2 and 4, the rotary driving mechanism 9 includes a rack 90 disposed on the inner wall of the heat treatment tank 1 and disposed up and down, the rack 90 is connected with the inner wall of the treatment tank through a connecting strip 91 symmetrically disposed along the length direction of the rack 90, a first gear 92 is fixedly sleeved on the outer ring surface of the rotary ring 66, a second gear 93 is rotatably connected to the supporting ring 603, an inserting hole is formed in the middle of the second gear 93, an insert 94 is mounted on the inner ring surface of the second gear 93, the insert 94 is in inserting fit with the key slot 72 on the shaft 70, the first gear 92 and the second gear 93 respectively correspond to the upper and lower racks 90, the first gear 92 has the same size as the second gear 93, and when the insert 94 is inserted into the key slot 72, the insert 68 is inserted between two adjacent teeth on the bevel gear 71, and the first gear 92 is aligned with the teeth of the second gear 93.
When the fixed gear shaft 7 is placed, the key slot 72 at the lower end of the shaft lever 70 is aligned with the insert 94, then the shaft lever 70 is placed downwards, the insert 94 is inserted into the key slot 72 until the bottom of the shaft lever 70 contacts with the balls on the top supporting rod 604, then the rotating ring 66 is put down, the insert 68 is inserted between two adjacent teeth on the bevel gear 71 in the downward moving process of the rotating ring 66, and at the moment, the first gear 92 is aligned with the teeth of the second gear 93, so that the first gear 92 and the second gear 93 are meshed with the upper rack 90 and the lower rack 90 simultaneously to rotate, and the problem of blocking caused by staggered up-down meshing is avoided.
After the chain 5 drives the gear shaft 7 to enter the heat treatment box 1, the first gear 92 and the second gear 93 are respectively contacted with the corresponding upper rack 90 and the corresponding lower rack 90 and are meshed, and the first gear 92 and the second gear 93 simultaneously rotate in the process of meshing movement along with the continuous movement of the chain 5, so that the gear shaft 7 is driven to rotate through the insertion of the plug-in components 94, the plug-in blocks 68 and the gear shaft 7, the heat treatment of the gear shaft 7 is more uniform, and the heat treatment effect of the gear shaft 7 is improved.
Referring to fig. 1, 2 and 8, the automatic closing mechanism 4 at the feed inlet 2 includes two revolving doors 40 hinged on the inner wall of the feed inlet 2 through torsion spring rods, the revolving doors 40 are symmetrically arranged along the length direction of the feed inlet 2, the top of the revolving doors 40 is rotationally connected with a supporting roller 41, the chain 5 is located above the revolving doors 40, the supporting roller 41 is in rolling contact with the chain 5 and supports the chain 5, the top of the feed inlet 2 is hinged with a turnover door 42, the turnover door 42 is located between the two chains 5, and the turnover door 42 is matched with the two revolving doors 40 to seal the feed inlet 2.
The automatic closing mechanism 4 at the discharge port 3 is the same as the automatic closing mechanism 4 at the feed port 2, and will not be described here again.
When the gear shaft 7 enters the heat treatment box 1, the chain 5 drives the bearing fixing mechanism 6 and the gear shaft 7 to move towards the revolving doors 40, the annular disc 62 is contacted with the two revolving doors 40 symmetrically arranged in the feed inlet 2 and pushes the revolving doors 40 to rotate so as to open the feed inlet 2, then the annular disc 62 drives the gear shaft 7 placed below the annular disc to enter the heat treatment box 1 for heat treatment processing, and when the L-shaped rod 69 below the annular disc 62 is separated from the revolving doors 40, the revolving doors 40 rotate and reset under the action of the torsion spring reset force of the torsion spring rod, so that the feed inlet 2 is closed, and energy loss caused by outward outflow of heat in the heat treatment box 1 is avoided.
Referring to fig. 1, 2, 3 and 6, the limit guiding mechanism 8 includes a support rail 80 connected to two outer side walls of the heat treatment tank 1 along the length direction of the support rail 80, a limit guiding groove 81 is formed on the support rail 80, a rectangular groove 82 is formed on the side wall of the limit guiding groove 81, the limit guiding groove 81 and the rectangular groove 82 both penetrate through the lower ends of the feed inlet 2 and the discharge outlet 3 at the same time, the limit guiding groove 81 is located between the two revolving doors 40, a stop roller 84 is rotatably connected to the side wall of the stop roller 83, after entering the rectangular groove 82, the stop roller 84 is in rolling contact with the rectangular groove 82, one end of the stop lever 83, far away from the support disk 601, is in rolling contact with a ball, the ball is in rolling contact with the limit guiding groove 81, and a blocking group 85 for blocking the limit guiding groove 81 of the lower ends of the feed inlet 2 and the discharge outlet 3 is mounted on the revolving door 40 in the feed inlet 2 and the revolving door 40 in the discharge outlet 3.
The chain 5 is in the in-process that drives gear shaft 7 and remove, the gag lever post 83 is located spacing guide slot 81, keep off roller 84 and be located rectangular channel 82, spacing guide slot 81 and rectangular channel 82 are spacing bracing piece 602 and keep off roller 84 respectively, ball on the gag lever post 83 rolls in spacing guide slot 81 to avoid keeping away from the one end of fixing base 60 because of L type pole 69 and have no holding power, lead to No. one gear 92 and No. two gears 93 when with two upper and lower racks 90 meshing transmission contact, two racks 90 and No. one gear 92, no. two gears 93's conflict power promotes fixed gear shaft 7 to rock and cause the influence to the stability that gear shaft 7 is fixed.
Referring to fig. 3, the plugging group 85 includes a plugging strip 850 installed at the lower end of the revolving door 40, the lower end surfaces of the feed inlet 2 and the discharge outlet 3 are provided with arc-shaped sliding grooves 851 which are communicated with the limit guide grooves 81 and symmetrically arranged along the axis of the limit rod 83, when the revolving door 40 drives the plugging strip 850 to rotate, the plugging strip 850 slides along the arc-shaped sliding grooves 851, and the plugging strip 850 installed at the lower end of the revolving door 40 cooperates with the limit guide grooves 81 at the lower end of the feed inlet 2 and the discharge outlet 3 to plug, so as to avoid energy loss caused by outward outflow of heat in the heat treatment box 1.
Referring to fig. 2, the top parts of the four limiting pieces 64 on the fixing base 60 are provided with a lifting frame 640, the lifting frame 640 is used for uniformly pulling the suspension rod 63 to drive the rotating ring 66 to move upwards when the gear shaft 7 is placed, so that the gear shaft 7 is placed conveniently, and meanwhile, the gear shaft 7 after heat treatment is also convenient to quickly take down, when the annular disc 62 pushes the revolving door 40 to rotate, the lifting frame 640 pushes the turnover door 42 to turn over, so that the lifting frame 640 is convenient to move.
Referring to fig. 2 and 7, the inner walls of the two sides of the heat treatment box 1 arranged along the width direction of the heat treatment box are respectively and spherically hinged with a plurality of bearing shafts 10, the bearing shafts 10 are uniformly arranged along the length direction of the heat treatment box 1, the bearing shafts 10 are used for supporting the chain 5, the inner wall of the heat treatment box 1 is provided with a U-shaped cover 11 used for limiting the bearing shafts 10, the opening of the U-shaped cover 11 faces the discharge port 3, one end of the bearing shaft 10, far away from the chain 5, is provided with a plug rod 12, the heat treatment box 1 is provided with a limiting groove 13, a pushing seat 14 is arranged in the limiting groove 13 through a reset spring 15, and the pushing seat 14 is in rotary contact with the plug rod 12.
The bearing shaft 10 supports the chain 5 in the moving process of the chain 5, the chain 5 is prevented from sagging under the gravity action of the gear shaft 7, the bearing shaft 10 rotates under the friction action of the bearing shaft 10 and the chain 5, so that friction force between the bearing shaft 10 and the chain 5 is reduced, when the bearing shaft 10 contacts with the lug plate 61, the lug plate 61 pushes the bearing shaft 10 to rotate towards the discharge port 3 along the spherical hinge point of the bearing shaft, at the moment, the bearing shaft 10 drives the inserting rod 12 to synchronously rotate, the inserting rod 12 extrudes the pushing seat 14 to enable the reset spring 15 to shrink, when the lug plate 61 is separated from the bearing shaft 10, the reset spring 15 pushes the inserting rod 12 through the pushing seat 14 to enable the inserting rod 12 to drive the bearing shaft 10 to reset, and the U-shaped cover 11 limits the bearing shaft 10, so that the bearing shaft 10 is prevented from swinging up and down and towards the side of the feed port 2.
When the chain 5 stops intermittently, the gear shaft 7 is placed between the two chains 5, then the shaft rod 70 of the gear shaft 7 is placed into the middle bearing ring 605 from the socket 606, then the shaft rod 70 of the gear shaft 7 is downwards inserted into the inner ring surface of the supporting ring 603 until the bottom of the shaft rod 70 is in contact with the balls on the top supporting rod 604, and the rotating ring 66 presses the bevel gear 71 against the middle bearing ring 605 under the action of automatic gravity, so that the bevel gear 71 is supported and fixed, the convenience of placing and fixing the gear shaft 7 is improved, the contact area between the gear shafts 7 is reduced, and the heat treatment effect of the gear shaft 7 is improved.
After all placing the gear shaft 7 in a group of accepting fixed establishment 6, the chain 5 drives to accept fixed establishment 6 and gear shaft 7 and removes, opens the automatic closing mechanism 4 of feed inlet 2, then carry the gear shaft 7 and get into the heat treatment case 1 in and carry out the heat treatment, afterwards at automatic closing mechanism 4 with feed inlet 2 closure, avoid the heat extravagant, rotatory actuating mechanism 9 drive swivel ring 66 rotation when gear shaft 7 gets into the heat treatment case 1 and removes, and thereby drive gear shaft 7 and rotate through the grafting of inserted block 68 and helical gear 71, thereby make gear shaft 7 can be abundant carry out the heat treatment.
After the heat treatment of the gear shaft 7 is finished, the chain 5 drives the gear shaft 7 to move and pushes the automatic closing mechanism 4 of the discharge port 3 to open the discharge port 3, and then the gear shaft 7 after the heat treatment is finished is moved out of the heat treatment box 1.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not limited in scope by the present utility model, so that all equivalent changes according to the structure, shape and principle of the present utility model are covered in the scope of the present utility model.
Claims (7)
1. A post-forming heat treatment apparatus for manufacturing an engineering machine tool part, comprising:
the heat treatment box (1), two sides of the heat treatment box (1) which are distributed along the length direction of the heat treatment box are respectively provided with a feed inlet (2) and a discharge outlet (3), and the feed inlet (2) and the discharge outlet (3) are provided with an automatic closing mechanism (4);
the conveying mechanism comprises two chains (5), a driving group which is meshed with the two chains (5) for transmission and drives the two chains (5) to move, and the chains (5) penetrate through the feed inlet (2) and the discharge outlet (3);
the plurality of bearing fixing mechanisms (6) are arranged between the two chains (5), the plurality of bearing fixing mechanisms (6) are uniformly divided into a plurality of groups, the plurality of groups of bearing fixing mechanisms (6) are uniformly distributed along the chains (5), the bearing fixing mechanisms (6) fix the gear shaft (7), and the gear shaft (7) consists of a shaft lever (70), a bevel gear (71) fixedly sleeved at the upper end of the shaft lever (70) and a key slot (72) formed at the lower end of the shaft lever (70);
the bearing and fixing mechanism (6) comprises a fixing seat (60) arranged between two chains (5), the fixing seat (60) consists of two lug plates (61) hinged with the chains (5) and an annular disc (62) connected between the two lug plates (61), a plurality of hanging rods (63) sliding up and down and circumferentially distributed along the annular disc (62) are connected in the middle of the annular disc (62) in a penetrating manner, limiting plates (64) are arranged behind the hanging rods (63) penetrating through the annular disc (62), annular frames (65) are jointly arranged at one ends of the hanging rods (63) far away from the limiting plates (64), rotary rings (66) are rotatably connected to the end faces of the annular frames (65) far away from the annular disc (62), inserting blocks (68) uniformly distributed along the circumferential direction of the rotary rings (66) are arranged at the end faces of the annular disc (62), the inserting blocks (68) are inclined and are used for being inserted into tooth gaps of bevel gears (71), L-shaped rods (69) are arranged at the end faces of the annular disc (62) far away from the chains (5) near edges, horizontal segments of the L-shaped rods (69) are arranged at the supporting slots, supporting rods (601) are arranged at the horizontal segments, supporting rods (604) far from the end faces, and supporting rods (601) are arranged at the end faces (601) and are arranged at the end faces near the end faces (601) and supporting rods (601) and are evenly arranged through supporting rods (601), a middle bearing ring (605) is arranged on the vertical section of the L-shaped rod (69), a socket (606) is formed in one side, far away from the vertical section of the L-shaped rod (69), of the middle bearing ring (605), a shaft lever (70) is inserted between the rotating ring (66) and the supporting ring (603), and a bevel gear (71) is fixed between the middle bearing ring (605) and the rotating ring (66);
the heat treatment box (1) is provided with a limit guide mechanism (8) for supporting and guiding the movement of the supporting disc (601), and the heat treatment box (1) is provided with a rotary driving mechanism (9) for driving the gear shaft (7) to rotate.
2. The post-forming heat treatment apparatus for engineering machine tool parts according to claim 1, wherein: the rotary driving mechanism (9) comprises racks (90) which are arranged on the inner wall of the heat treatment box (1) and up and down, the racks (90) are connected with the inner wall of the treatment box through connecting strips (91) which are symmetrically arranged along the length direction of the racks, a first gear (92) is fixedly sleeved on the outer ring surface of the rotary ring (66), a second gear (93) is rotatably connected on the supporting ring (603), a plug-in hole is formed in the middle of the second gear (93), a plug-in piece (94) is arranged on the inner ring surface of the second gear (93), the plug-in piece (94) is in plug-in fit with a key groove (72) on the shaft rod (70), the first gear (92) and the second gear (93) are respectively corresponding to the upper rack and the lower rack (90), and when the plug-in piece (94) is inserted into the key groove (72), and when the plug-in piece (68) is inserted between two adjacent teeth on the first gear (92) and the second gear (93).
3. The post-forming heat treatment apparatus for engineering machine tool parts according to claim 1, wherein: the automatic closing mechanism (4) at the feed inlet (2) comprises two rotary doors (40) hinged to the inner wall of the feed inlet (2) through torsion spring rods, the rotary doors (40) are symmetrically arranged along the length direction of the feed inlet (2), the top of each rotary door (40) is rotationally connected with a supporting roller (41), a chain (5) is located above each rotary door (40), each supporting roller (41) is in rolling contact with the corresponding chain (5) and supports the corresponding chain (5), the top of the feed inlet (2) is hinged with a turnover door (42), the turnover door (42) is located between the two chains (5), and the turnover door (42) is matched with the two rotary doors (40) so as to seal the feed inlet (2);
the automatic closing mechanism (4) at the discharge port (3) is the same as the automatic closing mechanism (4) at the feed port (2).
4. A post-forming heat treatment apparatus for an engineering machine tool part according to claim 3, wherein: spacing guiding mechanism (8) including connect support rail (80) on two lateral walls that heat treatment case (1) were arranged along its length direction, set up spacing guide slot (81) on support rail (80), rectangular channel (82) have been seted up to the lateral wall of spacing guide slot (81), spacing guide slot (81) and rectangular channel (82) all run through the lower extreme of feed inlet (2) and discharge gate (3) simultaneously, and spacing guide slot (81) are located between two revolving doors (40), supporting disk (601) keep away from terminal surface of bracing piece (602) install with supporting disk (601) concentric gag lever post (83), lateral wall rotation of gag lever post (83) is connected with fender roller (84), the one end rolling connection of spacing roller (84) with rectangular channel (82) after getting into rectangular channel (82), the ball is rolling contact with spacing guide slot (81), all install on revolving door (40) in feed inlet (2) and the revolving door (40) in discharge gate (3) with the shutoff of discharge gate (85) of discharge gate (3) and put up shutoff of end (81).
5. The post-forming heat treatment apparatus for engineering machine tool parts according to claim 1, wherein: the utility model provides a thermal treatment case (1) has all ball joint to have a plurality of axle (10) of accepting along the both sides inner wall that its width direction was arranged, a plurality of axle (10) of accepting are evenly arranged along thermal treatment case (1) length direction, it is used for supporting chain (5) to accept axle (10), U type cover (11) that are used for carrying out spacing to accepting axle (10) are installed to the inner wall of thermal treatment case (1), U type cover (11) opening is towards discharge gate (3), it installs inserted bar (12) to accept the one end that axle (10) kept away from chain (5), limit groove (13) have been seted up on thermal treatment case (1), promote seat (14) through reset spring (15) installation in limit groove (13), promote seat (14) and inserted bar (12) rotation contact.
6. The post-forming heat treatment apparatus for manufacturing an engineering machine tool part according to claim 4, wherein: the plugging group (85) comprises a plugging strip (850) arranged at the lower end of the revolving door (40), the lower end faces of the feeding port (2) and the discharging port (3) are provided with arc-shaped sliding grooves (851) which are communicated with the limiting guide grooves (81) and symmetrically arranged along the axis of the limiting rod (83), and when the revolving door (40) drives the plugging strip (850) to rotate, the plugging strip (850) slides along the arc-shaped sliding grooves (851).
7. The post-forming heat treatment apparatus for engineering machine tool parts according to claim 1, wherein: the tops of the four limiting sheets (64) on the fixing seat (60) are jointly provided with a lifting frame (640).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311190913.XA CN116926305B (en) | 2023-09-15 | 2023-09-15 | Post-forming heat treatment equipment for engineering machinery fittings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311190913.XA CN116926305B (en) | 2023-09-15 | 2023-09-15 | Post-forming heat treatment equipment for engineering machinery fittings |
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| CN116926305A CN116926305A (en) | 2023-10-24 |
| CN116926305B true CN116926305B (en) | 2023-11-21 |
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| CN211360926U (en) * | 2019-10-30 | 2020-08-28 | 宋佳 | Be used for large gear processing with supporting mounting fixture |
| CN111730377A (en) * | 2020-07-02 | 2020-10-02 | 浙江三欢齿轮有限公司 | Clamp for gear shaft machining |
| CN211939367U (en) * | 2019-11-11 | 2020-11-17 | 朱志远 | High-precision clamping tool for gear part machining |
| CN112662849A (en) * | 2021-01-16 | 2021-04-16 | 恒进感应科技（十堰）股份有限公司 | Continuous quenching machine tool for shaft parts |
| CN216073952U (en) * | 2021-11-04 | 2022-03-18 | 常州市醇通机械科技有限公司 | Gear shaft heat treatment tool |
| CN219059061U (en) * | 2022-11-11 | 2023-05-23 | 浙江传承动力制造有限公司 | Gear shaft heat treatment device |
| CN116716472A (en) * | 2023-06-13 | 2023-09-08 | 白姣 | Metal surface heat treatment process |
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2023
- 2023-09-15 CN CN202311190913.XA patent/CN116926305B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211360926U (en) * | 2019-10-30 | 2020-08-28 | 宋佳 | Be used for large gear processing with supporting mounting fixture |
| CN211939367U (en) * | 2019-11-11 | 2020-11-17 | 朱志远 | High-precision clamping tool for gear part machining |
| CN111730377A (en) * | 2020-07-02 | 2020-10-02 | 浙江三欢齿轮有限公司 | Clamp for gear shaft machining |
| CN112662849A (en) * | 2021-01-16 | 2021-04-16 | 恒进感应科技（十堰）股份有限公司 | Continuous quenching machine tool for shaft parts |
| CN216073952U (en) * | 2021-11-04 | 2022-03-18 | 常州市醇通机械科技有限公司 | Gear shaft heat treatment tool |
| CN219059061U (en) * | 2022-11-11 | 2023-05-23 | 浙江传承动力制造有限公司 | Gear shaft heat treatment device |
| CN116716472A (en) * | 2023-06-13 | 2023-09-08 | 白姣 | Metal surface heat treatment process |
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| CN116926305A (en) | 2023-10-24 |
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