CN118006880A - Bucket tooth heat treatment device and heat treatment method - Google Patents
Bucket tooth heat treatment device and heat treatment method Download PDFInfo
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- CN118006880A CN118006880A CN202410411063.XA CN202410411063A CN118006880A CN 118006880 A CN118006880 A CN 118006880A CN 202410411063 A CN202410411063 A CN 202410411063A CN 118006880 A CN118006880 A CN 118006880A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 17
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- 238000001816 cooling Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000010791 quenching Methods 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000171 quenching effect Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
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- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000004576 sand Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the technical field of heat treatment, and particularly discloses a bucket tooth heat treatment device and a heat treatment method, wherein the bucket tooth heat treatment device comprises a heating furnace, a cooling tank and a treatment table, and a plurality of conveying rollers are arranged in the heating furnace and the cooling tank; the processing table is provided with a plurality of mounting assemblies along the conveying direction, the mounting frames are symmetrically arranged on two sides of the conveying direction of the processing table, each mounting frame on each side comprises a rotating shaft and an annular rod, and the annular rods are used for penetrating through the mounting holes of the bucket teeth; the driven wheel is provided with a plurality of stirring teeth which are uniformly distributed along the circumferential direction of the driven wheel, an arc-shaped groove is arranged between two adjacent stirring teeth, the driven wheel is fixedly connected with a transmission rod, a plurality of first stirring rods are arranged on the transmission rod, a plurality of second stirring rods are arranged on a rotating shaft, and the first stirring rods are used for stirring the second stirring rods; the top adjusting plate and the bottom adjusting plate are respectively positioned at the upper side and the lower side of the annular rod. The bucket tooth heat treatment device and the heat treatment method are beneficial to uniformly heating the bucket tooth, ensure the heat treatment effect and the stable quality of the bucket tooth, and improve the treatment efficiency.
Description
Technical Field
The invention relates to the technical field of heat treatment, in particular to a bucket tooth heat treatment device and a heat treatment method.
Background
The bucket tooth is a vulnerable part on engineering machinery such as an excavator, a loader and the like, is directly contacted with materials such as sand, soil and the like during working, is subjected to the actions of strong impact, extrusion, bending moment and the like, and is extremely easy to cause failure behaviors such as excessive abrasion, deformation, cracking and the like during the use, so that the bucket tooth is required to have high wear resistance and toughness. The heat treatment is one of important working procedures of bucket tooth processing, and can effectively adjust the internal structure of the material and improve the performance of the material. When the bucket tooth is subjected to heat treatment, a workpiece is required to be heated to a certain temperature so as to change the crystal structure or dissolve solid solution, and then the bucket tooth is rapidly cooled to room temperature by cooling modes such as oil cooling, water cooling or air cooling and the like, and a martensitic structure is formed in a rapid cooling mode, so that the hardness and the strength of the bucket tooth are improved.
Because the bucket teeth are special in shape, in the heat treatment process, the bucket teeth are generally horizontally placed and stacked in a large amount and fed into a heating furnace, and are put into a cooling tank for cooling after being heated, and the whole bucket teeth are directly quenched by the heat treatment method; or the bucket teeth are vertically placed, the tooth tips are downward, the bucket teeth are fixed on the sizing block in a welding mode and are fed into a heating furnace, the tooth tip parts of the bucket teeth are covered by cooling water after heating, the tooth tips of the bucket teeth are quenched, the worn parts of the bucket teeth are enabled to obtain higher hardness and strength, the toughness of other parts of the bucket teeth is reserved, and the situation that the joint of the bucket teeth and a bucket is excessively hardened to be broken is avoided.
However, in the above two heat treatment methods, heat is easy to accumulate between the bucket teeth, the bucket teeth are easy to be heated unevenly, hardness and tissue after quenching are uneven, heat treatment effect is affected, the bucket teeth are fixed in a welding mode, the bucket teeth are required to be taken down and welded points are polished after quenching, treatment efficiency is low, loss is caused to tooth tips, and performance of the bucket teeth is easy to be affected.
Disclosure of Invention
The invention provides a bucket tooth heat treatment device and a heat treatment method, and aims to solve the problems that the bucket tooth heat treatment effect is affected by uneven heating of a bucket tooth and the treatment efficiency is low in the bucket tooth heat treatment device in the related art.
The invention relates to a bucket tooth heat treatment device which comprises a heating furnace, a cooling tank and a treatment table, wherein a plurality of conveying rollers are arranged in the heating furnace and the cooling tank and used for conveying the treatment table; the processing table is provided with a plurality of installation components along the conveying direction of the processing table, the installation components comprise an installation frame, a driven wheel, a top adjusting plate and a bottom adjusting plate, the installation frames are symmetrically arranged on two sides of the conveying direction of the processing table, each installation frame on each side comprises a rotating shaft and an annular rod, the rotating shafts are rotationally connected with the processing table, the annular rods are used for penetrating through the installation holes of bucket teeth, and the size of the installation holes of the bucket teeth is larger than that of the cross section of the annular rods; the driven wheel is provided with a plurality of stirring teeth which are uniformly distributed along the circumferential direction of the driven wheel, the stirring teeth are used for extending between two adjacent conveying rollers to drive the driven wheel to rotate, the driven wheel is fixedly connected with a transmission rod, the transmission rod is provided with a plurality of first stirring rods, the rotating shaft is provided with a plurality of second stirring rods, and the first stirring rods are used for stirring the second stirring rods so as to drive the rotating shaft to rotate; the top adjusting plate and the bottom adjusting plate are respectively positioned at the upper side and the lower side of the annular rod, are respectively connected with the rotating shaft and are used for adjusting the contact surface between the bucket teeth and the annular rod.
Preferably, an arc-shaped groove is formed between two adjacent poking teeth and is used for being attached to the outer surface of the conveying roller; at least three flat rods are fixed on the rotating shaft and used for placing the annular rods, one ends of the flat rods, far away from the rotating shaft, are bent upwards to form anti-unhooking hooks, and inclined rods are arranged between the flat rods and the rotating shaft.
Preferably, the annular rod is in an incomplete annular shape and is provided with an arc notch, a locking arc is further fixed on the rotating shaft, the arc length of the locking arc is smaller than or equal to that of the arc notch of the annular rod, and the locking arc is used for pushing the annular rod to rotate.
Preferably, a plurality of the first shift levers are distributed around the transmission lever for half a circle, a plurality of the second shift levers are distributed around the rotation shaft for half the number of the first shift levers.
Preferably, the rotation shaft slides through the top adjustment plate and the bottom adjustment plate.
Preferably, the rotating shaft is fixed with a limiting ring below the bottom adjusting plate and used for limiting the bottom adjusting plate to move downwards, a cam is arranged on the transmission rod, the protruding end of the cam is located at the half circumference of the transmission rod, on which the first deflector rod is distributed, and the cam is used for pushing the bottom adjusting plate to move upwards.
Preferably, the lower surface of the top adjusting plate is provided with a bump, the rotating shaft is provided with an annular groove for limiting the bump to move downwards, and the annular groove is provided with a concave surface.
Preferably, the protruding blocks are uniformly distributed in two along the circumferential direction of the rotating shaft, and the lower concave surfaces are uniformly distributed in two along the circumferential direction of the rotating shaft.
Preferably, locking buckles are respectively arranged at two ends of the annular rod and used for preventing the bucket teeth from falling off.
The invention also provides a bucket tooth heat treatment method, which comprises the following steps: the mounting holes of the bucket teeth penetrate through the annular rod, so that the bucket teeth are vertically placed, and the tooth tips are arranged on the treatment table in sequence downwards; the processing table loaded with bucket teeth is driven to move along a roller way formed by the conveying rollers through rotation of the conveying rollers, when the driven wheel moves along with the processing table, the stirring teeth extend into between two adjacent conveying rollers to drive the driven wheel to rotate, the driven wheel drives the first stirring rod to stir the second stirring rod through the transmission rod to drive the rotating shaft to rotate, and the rotating shaft drives the annular rod to rotate, so that the bucket teeth on the annular rod are heated uniformly; the processing table loaded with the bucket teeth passes through a heating furnace along a roller way to heat the bucket teeth; and the heated bucket teeth are sent into a cooling pool along a roller way, and the cooling liquid in the cooling pool covers the tooth tip parts of the bucket teeth to quench the tooth tips of the bucket teeth.
By adopting the technical scheme, the invention has the beneficial effects that: the bucket teeth are installed in a hanging mode, the stirring teeth are jogged with the conveying rollers when the treatment table moves along the roller way, the annular rod is driven to rotate in the conveying process, so that heat accumulated among the bucket teeth can be dissipated when the bucket teeth rotate to the outer side, the contact surface between the bucket teeth and the annular rod is adjusted through the top adjusting plate and the bottom adjusting plate, the bucket teeth are uniformly heated in the heat treatment process, and the heat treatment effect and the stable quality of the bucket teeth are ensured; the quenching device not only can be used for quenching the whole bucket tooth, but also can meet the requirement of quenching only the tooth tip of the bucket tooth, does not damage the structure of the bucket tooth, and improves the treatment efficiency.
Drawings
Fig. 1 is a schematic structural view of a bucket tooth heat treatment apparatus according to an embodiment.
Fig. 2 is a schematic structural diagram of a processing table according to an embodiment.
Fig. 3 is a schematic structural view of a mounting frame according to an embodiment.
FIG. 4 is a schematic diagram of a tooth configuration according to one embodiment.
Fig. 5 is a schematic structural view of a top adjusting plate and a bottom adjusting plate according to an embodiment.
Reference numerals:
10. A processing station; 110. a mounting assembly; 20. a conveying roller; 30. a heating furnace; 40. a cooling pool; 410. a lifting assembly; 50. a mounting frame; 510. a rotating shaft; 5110. a second deflector rod; 5120. a flat bar; 5130. unhooking prevention; 5140. a diagonal rod; 5150. locking an arc; 5160. a limiting ring; 5170. an annular groove; 5171. a concave surface; 5172. an upper convex surface; 520. an annular rod; 5210. a locking buckle; 60. driven wheel; 610. toggle teeth; 620. an arc-shaped groove; 630. a transmission rod; 6310. a first deflector rod; 6320. a cam; 70. a top adjustment plate; 710. a bump; 80. a bottom adjustment plate; 90. bucket teeth; 910. and (5) mounting holes.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1, the tooth heat treatment apparatus of the present invention includes a heating furnace 30, a cooling bath 40, and a treatment table 10.
A plurality of conveying rollers 20 are arranged in the heating furnace 30 and the cooling pool 40 to form a roller way for conveying the treatment table 10; in this embodiment, the heights of the transfer rollers 20 in the heating furnace 30 and the cooling tank 40 are different, and a lifting assembly 410 is disposed between the heating furnace 30 and the cooling tank 40 for vertically conveying the processing table 10 and conveying the processing table 10 from the heating furnace 30 to the cooling tank 40, which is a prior art and will not be described herein.
As shown in fig. 1 to 4, the treatment table 10 is provided with a plurality of mounting assemblies 110 along the conveying direction thereof, the mounting assemblies 110 comprise mounting frames 50, driven wheels 60, a top adjusting plate 70 and a bottom adjusting plate 80, the mounting frames 50 are symmetrically arranged at two sides of the conveying direction of the treatment table 10, each side of the mounting frames 50 comprises a rotating shaft 510 and an annular rod 520, the rotating shaft 510 is rotationally connected with the treatment table 10, at least three flat rods 5120 are fixed on the rotating shaft 510 and used for placing the annular rod 520, the annular rod 520 is in an incomplete annular shape and is provided with arc-shaped notches, the mounting holes 910 used for penetrating through the bucket teeth 90 are formed, and the size of the mounting holes 910 of the bucket teeth 90 is larger than the size of the cross section of the annular rod 520, so that when the bucket teeth 90 are hung on the annular rod 520, the upper surfaces of the mounting holes 910 are only contacted with the annular rod 520, the contact areas between the upper surfaces of the mounting holes are reduced, and the heating uniformity of the bucket teeth 90 is improved; the flat bar 5120 is upwardly bent at one end far from the rotation shaft 510 to form an anti-unhooking hook 5130, and a mounting position of the ring-shaped bar 520 is formed between the anti-unhooking hooks 5130 for preventing the ring-shaped bar 520 from shaking on the flat bar 5120, and an inclined bar 5140 is provided between the flat bar 5120 and the rotation shaft 510 for enhancing structural strength and stability.
When the bucket teeth 90 are required to be mounted, the annular rod 520 is moved upward, the annular rod 520 is translated outward, the arc notch counter-rotating shaft 510 of the annular rod 520 is taken out from the processing table 10, the mounting holes 910 of the bucket teeth 90 pass through the annular rod 520 through the arc notches of the annular rod 520, the plurality of bucket teeth 90 are uniformly arranged on the annular rod 520, and the arc notch counter-rotating shaft 510 of the annular rod 520 with the bucket teeth 90 mounted thereon is replaced on the flat rod 5120. Therefore, the bucket tooth 90 is installed in a hanging mode, the structure is simple, the operation is convenient, the bucket tooth 90 quenching device can be used for quenching the whole bucket tooth 90, the quenching requirement on the tooth tip of the bucket tooth 90 can be met, the structure of the bucket tooth 90 is not damaged, and the treatment efficiency is improved.
The rotating shaft 510 is also fixed with a locking arc 5150, the arc length of the locking arc 5150 is smaller than or equal to the arc length of the arc notch of the annular rod 520, the locking arc 5150 synchronously rotates along with the rotating shaft 510, and the locking arc 5150 is used for pushing the annular rod 520 to rotate, so that when the inertia is large, the annular rod 520 cannot synchronously rotate along with the rotating shaft 510 only through the friction force between the annular rod 520 and the flat rod 5120; the locking arc 5150 can also fill the arc gap of the annular lever 520, which is beneficial to preventing the bucket teeth 90 from falling off.
The locking buckles 5210 are respectively installed at both ends of the ring lever 520 to prevent the teeth 90 from falling off. In this embodiment, the locking buckle 5210 is screwed to the annular rod 520, and is easy and convenient to detach and replace.
As shown in fig. 2 to 5, the driven wheel 60 is symmetrically disposed at two outer sides of the conveying direction of the processing table 10 and vertically disposed, the driven wheel 60 has a plurality of stirring teeth 610 uniformly distributed along the circumferential direction thereof, and when the driven wheel 60 moves synchronously along with the processing table 10, the stirring teeth 610 are used to extend between two adjacent conveying rollers 20 to drive the driven wheel 60 to rotate, and an arc-shaped groove 620 is formed between two adjacent stirring teeth 610 and is used to be attached to the outer surface of the conveying roller 20, thereby ensuring the smoothness and stability of the rotation process.
The driven wheel 60 is fixedly connected with the transmission rod 630, a plurality of first deflector rods 6310 are arranged on the transmission rod 630, a plurality of second deflector rods 5110 are arranged on the rotating shaft 510, the first deflector rods 6310 are used for poking the second deflector rods 5110 so as to drive the rotating shaft 510 to rotate, the rotating shaft 510 drives the annular rod 520 to rotate, heat accumulated among the plurality of bucket teeth 90 can be dissipated when the bucket teeth 90 rotate to the outer side, uniform heating of the bucket teeth 90 in the heat treatment process is facilitated, and the heat treatment effect and stable quality of the bucket teeth 90 are ensured.
The plurality of first levers 6310 are distributed around the transmission rod 630 for half a circle, the plurality of second levers 5110 are distributed around the rotation shaft 510 for half a circle, and the number of the first levers 6310 is half that of the second levers 5110, so that when the driven wheel 60 rotates for one circle, the first levers 6310 drive the rotation shaft 510 to rotate for half a circle, that is, the annular lever 520 and the bucket teeth 90 on the annular lever 520 rotate for half a circle by pulling the second levers 5110.
The top adjusting plate 70 and the bottom adjusting plate 80 are respectively located at the upper side and the lower side of the annular rod 520 and are respectively connected with the rotating shaft 510 for adjusting the contact surface between the bucket teeth 90 and the annular rod 520, the rotating shaft 510 slides through the top adjusting plate 70 and the bottom adjusting plate 80, the limiting ring 5160 is fixed below the bottom adjusting plate 80 by the rotating shaft 510 for limiting the bottom adjusting plate 80 to move downwards, the driving rod 630 is provided with the cam 6320, the protruding end of the cam 6320 is located at the half circumference of the driving rod 630 where the first deflector 6310 is distributed, and the cam 6320 is used for pushing the bottom adjusting plate 80 to move upwards.
The lower surface of the top adjusting plate 70 is provided with a bump 710, the rotating shaft 510 is provided with an annular groove 5170 for limiting the bump 710 to move downwards, the annular groove 5170 is provided with lower concave surfaces 5171, two bumps 710 are uniformly distributed along the circumferential direction of the rotating shaft 510, two lower concave surfaces 5171 are uniformly distributed along the circumferential direction of the rotating shaft 510, and an upper convex surface 5172 is formed between the two lower concave surfaces 5171; when the rotation shaft 510 rotates, the upper convex surface 5172 and the lower concave surface 5171 of the annular groove 5170 push the protruding block 710 to move up and down, so that the top adjusting plate 70 slides on the rotation shaft 510.
When the driven wheel 60 rotates until the first deflector rod 6310 contacts with the second deflector rod 5110, the first deflector rod 6310 drives the rotating shaft 510, the annular rod 520 and the bucket teeth 90 on the annular rod 520 to rotate by pulling the second deflector rod 5110, at this time, the cam 6320 does not contact with the bottom adjusting plate 80, the bottom adjusting plate 80 is placed on the limiting ring 5160, the protruding block 710 of the top adjusting plate 70 is located on the upper convex surface 5172 of the annular groove 5170, and neither the bottom adjusting plate 80 nor the top adjusting plate 70 contacts with the bucket teeth 90, so that the influence on the rotation of the bucket teeth 90 is avoided.
When the driven wheel 60 rotates until the first deflector rod 6310 is not in contact with the second deflector rod 5110, the rotating shaft 510 rotates until the lower concave surface 5171 of the annular groove 5170 corresponds to the convex block 710 of the top adjusting plate 70, and the top adjusting plate 70 moves downwards to abut against the upper surface of the bucket tooth 90, so that the bucket tooth 90 is kept in a vertical state, and unstable or inclined bucket tooth 90 is avoided; meanwhile, the annular rod 520 and the bucket teeth 90 on the annular rod 520 stop rotating, the cam 6320 follows the driven wheel 60 to rotate until the protruding end of the cam is upward, the bottom adjusting plate 80 is pushed to move upward, the bottom adjusting plate 80 pushes the bucket teeth 90 upward, the bucket teeth 90 keep vertical state to move upward, the upper surface of the bucket teeth 90 at the mounting holes 910 is separated from the annular rod 520, and the upper surface of the bucket teeth 90 at the mounting holes 910 is prevented from being continuously contacted with the annular rod 520 when the bucket teeth 90 are in a hanging state for a long time, and the contact surface is heated unevenly, so that the heat treatment effect is influenced.
When the driven wheel 60 continues to rotate until the first shift lever 6310 contacts the second shift lever 5110, the rotating shaft 510, the annular lever 520 and the teeth 90 on the annular lever 520 continue to rotate, and the limit of the bottom adjusting plate 80 and the top adjusting plate 70 on the teeth 90 is released, so that rotation of the teeth 90 and adjustment of the contact surface between the teeth 90 and the annular lever 520 are alternately performed during continuous rotation of the driven wheel 60, thereby ensuring that the teeth 90 are heated uniformly during heat treatment, and further improving the heat treatment effect.
When the bucket tooth 90 needs to be subjected to heat treatment, the bucket tooth heat treatment device can be selected, and the heat treatment method comprises the following steps:
The mounting holes 910 of the bucket teeth 90 penetrate through the annular rod 520, so that the bucket teeth 90 are vertically arranged and the tooth tips are downwards arranged on the processing table 10 in sequence;
The conveying roller 20 rotates to drive the treatment table 10 loaded with the bucket teeth 90 to move along a roller way formed by the conveying roller 20, when the driven wheel 60 moves along the treatment table 10, the stirring teeth 610 extend into between two adjacent conveying rollers 20 to drive the driven wheel 60 to rotate, the driven wheel 60 drives the first stirring rod 6310 to stir the second stirring rod 5110 through the transmission rod 630 to drive the rotating shaft 510 to rotate, and the rotating shaft 510 drives the annular rod 520 to rotate, so that the bucket teeth 90 on the annular rod 520 are heated uniformly;
the treatment table 10 loaded with the bucket teeth 90 passes through the heating furnace 30 along the roller way to heat the bucket teeth 90;
the heated bucket teeth 90 are sent into the cooling pool 40 along the roller way, and the cooling liquid of the cooling pool 40 covers the tooth tip parts of the bucket teeth 90 to quench the tooth tips of the bucket teeth 90.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "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 invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. The bucket tooth heat treatment device is characterized by comprising a heating furnace (30), a cooling tank (40) and a treatment table (10), wherein a plurality of conveying rollers (20) are arranged in the heating furnace (30) and the cooling tank (40) and used for conveying the treatment table (10); the treatment table (10) is provided with a plurality of mounting assemblies (110) along the conveying direction of the treatment table, each mounting assembly (110) comprises a mounting frame (50), a driven wheel (60), a top adjusting plate (70) and a bottom adjusting plate (80), the mounting frames (50) are symmetrically arranged on two sides of the conveying direction of the treatment table (10), each mounting frame (50) on each side comprises a rotating shaft (510) and an annular rod (520), the rotating shafts (510) are rotationally connected with the treatment table (10), the annular rods (520) are used for penetrating through mounting holes (910) of bucket teeth (90), and the size of the mounting holes (910) of the bucket teeth (90) is larger than that of the cross section of the annular rods (520); the driven wheel (60) is provided with a plurality of stirring teeth (610) which are uniformly distributed along the circumferential direction of the driven wheel, the stirring teeth (610) are used for extending between two adjacent conveying rollers (20) to drive the driven wheel (60) to rotate, the driven wheel (60) is fixedly connected with a transmission rod (630), a plurality of first stirring rods (6310) are arranged on the transmission rod (630), a plurality of second stirring rods (5110) are arranged on the rotating shaft (510), and the first stirring rods (6310) are used for stirring the second stirring rods (5110) to drive the rotating shaft (510) to rotate; the top adjusting plate (70) and the bottom adjusting plate (80) are respectively positioned at the upper side and the lower side of the annular rod (520), are respectively connected with the rotating shaft (510), and are used for adjusting the contact surface between the bucket teeth (90) and the annular rod (520).
2. A bucket tooth heat treatment device according to claim 1, characterized in that between two adjacent said toggle teeth (610) there is an arcuate recess (620) for engagement with the outer surface of said transfer roll (20); the rotary shaft (510) is fixedly provided with at least three flat rods (5120) which are used for placing the annular rods (520), one ends, far away from the rotary shaft (510), of the flat rods (5120) are bent upwards to form anti-unhooking hooks (5130), and inclined rods (5140) are arranged between the flat rods (5120) and the rotary shaft (510).
3. The bucket tooth heat treatment device according to claim 2, wherein the annular rod (520) is in an incomplete annular shape and is provided with an arc notch, a locking arc (5150) is further fixed on the rotating shaft (510), the arc length of the locking arc (5150) is smaller than or equal to the arc length of the arc notch of the annular rod (520), and the locking arc (5150) is used for pushing the annular rod (520) to rotate.
4. A tooth heat treatment device as claimed in claim 1, characterized in that a plurality of said first levers (6310) are distributed around said transmission lever (630) for half a circle and a plurality of said second levers (5110) are distributed around said rotation shaft (510), said first levers (6310) being half the number of said second levers (5110).
5. A tooth heat treatment device as claimed in claim 4, characterised in that the spindle (510) slides through the top adjustment plate (70) and the bottom adjustment plate (80).
6. The bucket tooth heat treatment device according to claim 5, wherein the rotating shaft (510) is fixed with a limiting ring (5160) below the bottom adjusting plate (80) for limiting the bottom adjusting plate (80) to move downwards, a cam (6320) is arranged on the transmission rod (630), protruding ends of the cam (6320) are located at half circumferences of the transmission rod (630) where the first shifting rod (6310) is distributed, and the cam (6320) is used for pushing the bottom adjusting plate (80) to move upwards.
7. A bucket tooth heat treatment apparatus as claimed in claim 5, wherein a projection (710) is provided on a lower surface of the top adjusting plate (70), an annular groove (5170) is provided on the rotation shaft (510) for restricting downward movement of the projection (710), and the annular groove (5170) has a concave downward surface (5171).
8. The bucket tooth heat treatment device according to claim 7, wherein two projections (710) are uniformly distributed along the circumferential direction of the rotating shaft (510), and two concave surfaces (5171) are uniformly distributed along the circumferential direction of the rotating shaft (510).
9. A tooth heat treatment device as claimed in claim 3, characterised in that locking buckles (5210) are respectively mounted at both ends of the annular bar (520) for preventing the tooth (90) from falling off.
10. A method for heat treatment of a tooth, characterized by using a tooth heat treatment apparatus according to claim 1, comprising the steps of:
The mounting holes (910) of the bucket teeth (90) penetrate through the annular rod (520), so that the bucket teeth (90) are vertically placed, and the tooth tips are arranged on the treatment table (10) in sequence downwards;
The processing table (10) loaded with the bucket teeth (90) is driven to move along a roller way formed by the conveying rollers (20) through rotation of the conveying rollers (20), when the driven wheel (60) moves along the processing table (10), the stirring teeth (610) extend into between two adjacent conveying rollers (20) to drive the driven wheel (60) to rotate, the driven wheel (60) drives the first stirring rod (6310) to stir the second stirring rod (5110) through the transmission rod (630) to drive the rotating shaft (510) to rotate, and the rotating shaft (510) drives the annular rod (520) to rotate, so that the bucket teeth (90) on the annular rod (520) are heated uniformly;
the treatment table (10) loaded with the bucket teeth (90) passes through the heating furnace (30) along the roller way to heat the bucket teeth (90);
the heated bucket teeth (90) are conveyed into a cooling pool (40) along a roller way, and the cooling liquid of the cooling pool (40) covers the tooth tip parts of the bucket teeth (90) to quench the tooth tips of the bucket teeth (90).
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| CN202410411063.XA CN118006880B (en) | 2024-04-08 | 2024-04-08 | Bucket tooth heat treatment device and heat treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410411063.XA CN118006880B (en) | 2024-04-08 | 2024-04-08 | Bucket tooth heat treatment device and heat treatment method |
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| CN118006880A true CN118006880A (en) | 2024-05-10 |
| CN118006880B CN118006880B (en) | 2024-06-07 |
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| US20010004809A1 (en) * | 1999-12-02 | 2001-06-28 | Komatsu, Ltd. | Buket tooth and method of manufacturing the same |
| CN107142366A (en) * | 2017-07-11 | 2017-09-08 | 江苏洛克精密铸造有限公司 | A kind of annealing device of excavator bucket teeth |
| CN212688144U (en) * | 2020-08-07 | 2021-03-12 | 江西爱丽新材料科技有限公司 | Excavator bucket tooth heat treatment device |
| CN212741440U (en) * | 2020-06-19 | 2021-03-19 | 谷城天兴机械有限公司 | Rotary high-frequency quenching tool |
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| CN214300248U (en) * | 2020-12-23 | 2021-09-28 | 陕西宏颖耐磨科技有限公司 | Quenching device for excavator bucket teeth |
| CN217439051U (en) * | 2022-04-28 | 2022-09-16 | 洛阳市钢峰工程机械制造有限公司 | Thin-wall high-strength bucket tooth structure |
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| CN117248096A (en) * | 2023-08-03 | 2023-12-19 | 安徽拓山重工股份有限公司 | Bucket tooth quenching device |
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| CN117587207A (en) * | 2023-11-28 | 2024-02-23 | 江苏保捷精锻有限公司 | Quenching cooling tank and quenching device for automobile bearing |
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| CN113166833A (en) * | 2018-12-27 | 2021-07-23 | 株式会社小松制作所 | Impact wear resistant parts and method of making same |
| CN212741440U (en) * | 2020-06-19 | 2021-03-19 | 谷城天兴机械有限公司 | Rotary high-frequency quenching tool |
| CN212688144U (en) * | 2020-08-07 | 2021-03-12 | 江西爱丽新材料科技有限公司 | Excavator bucket tooth heat treatment device |
| CN214300248U (en) * | 2020-12-23 | 2021-09-28 | 陕西宏颖耐磨科技有限公司 | Quenching device for excavator bucket teeth |
| CN217439051U (en) * | 2022-04-28 | 2022-09-16 | 洛阳市钢峰工程机械制造有限公司 | Thin-wall high-strength bucket tooth structure |
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| CN218262636U (en) * | 2022-07-25 | 2023-01-10 | 三明明泉重工有限公司 | Material conveying mechanism for excavator bucket tooth hot working tempering furnace |
| CN218620945U (en) * | 2022-08-26 | 2023-03-14 | 湖北卡斯工业科技有限公司 | Annealing furnace for casting processing |
| CN116239289A (en) * | 2023-02-21 | 2023-06-09 | 江苏景泰玻璃有限公司 | Hot bending device and hot bending method for glass processing |
| CN117248096A (en) * | 2023-08-03 | 2023-12-19 | 安徽拓山重工股份有限公司 | Bucket tooth quenching device |
| CN117448552A (en) * | 2023-11-03 | 2024-01-26 | 浙江继望锻造科技有限公司 | Heat treatment tool and method for rail steel conversion forging bucket teeth |
| CN117587207A (en) * | 2023-11-28 | 2024-02-23 | 江苏保捷精锻有限公司 | Quenching cooling tank and quenching device for automobile bearing |
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