CN116814928A - Cross roller slewing bearing heat treatment equipment - Google Patents
Cross roller slewing bearing heat treatment equipment Download PDFInfo
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- CN116814928A CN116814928A CN202310758059.6A CN202310758059A CN116814928A CN 116814928 A CN116814928 A CN 116814928A CN 202310758059 A CN202310758059 A CN 202310758059A CN 116814928 A CN116814928 A CN 116814928A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 154
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 abstract description 32
- 230000000171 quenching effect Effects 0.000 abstract description 31
- 238000001816 cooling Methods 0.000 abstract description 15
- 230000009471 action Effects 0.000 abstract description 10
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000005242 forging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 230000006872 improvement Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The application relates to the technical field of forging processing, and discloses crossed roller slewing bearing heat treatment equipment which mainly comprises an upper main body, a rotating shaft, a lower main body, sliding grooves, sliding blocks, limiting blocks and balls. According to the application, through the arrangement of the rotating shaft and the balls, after the supporting component is immersed in quenching liquid, the rotating shaft drives the lower main body to rotate, so that the sliding block and the limiting block rotate along with the rotating shaft, and as the sliding block and the limiting block are contacted with the supporting component through the balls, the supporting component is approximately fixed through self gravity, and through the action, the part of the supporting component, which is contacted with the limiting block and the sliding block, can be effectively contacted with the quenching liquid, and the cooling speed of the part is further increased.
Description
Technical Field
The application relates to the technical field of forging processing, in particular to heat treatment equipment for a crossed roller slewing bearing.
Background
In the process of machining the crossed roller slewing bearing, heat treatment equipment is required to quench the bearing component, so that the rigidity, hardness and other properties of the bearing component are greatly improved, and the service life of the bearing component is prolonged.
The prior heat treatment equipment mainly comprises a lifting rod, a main body, a sliding block and a limiting block, when the heat treatment equipment is used, the lifting rod drives the main body to extend into the center position of a supporting part after heating is finished, then the sliding block and the limiting block extend out and are positioned at the lower end part of the inner side surface of the supporting part, the main body passes through the sliding block and the limiting block to further fix the supporting part, then the lifting rod drives the main body and the supporting part to move, the supporting part enters a container containing quenching liquid and fully contacts with the quenching liquid, the supporting part is cooled through the actions, and martensitic transformation is carried out, so that the supporting part is quenched.
However, in the above process, the portion of the supporting component, which contacts the stopper and the sliding block, cannot effectively contact the quenching liquid due to the contact between the sliding block and the supporting component, so that the cooling speed of the portion is low, the portion cannot completely complete the transformation of martensite, and the portion of the supporting component has a phenomenon of low hardness, thereby affecting the service life of the supporting component.
Disclosure of Invention
The application provides a heat treatment device for a crossed roller slewing bearing, which has the advantage of accelerating the cooling speed of a bearing part and is used for solving the problem that the service life of the bearing part is influenced due to lower cooling speed of the part.
In order to achieve the above purpose, the application adopts the following technical scheme: a cross roller slewing bearing heat treatment apparatus comprising: the lifting mechanism comprises an upper main body, wherein a lifting rod is fixed at the central position of the upper side surface of the upper main body, a rotating shaft is arranged at the central position of the upper main body, a power mechanism is fixed at the upper side position of the upper main body, the rotating shaft is connected with the power mechanism, the lower end of the rotating shaft extends out of the upper main body, a lower main body is arranged on the lower side of the upper main body in a sealing and rotating mode, the central position of the upper side surface of the lower main body is connected with the lower end of the rotating shaft, sliding grooves are formed in the peripheral positions of the inner side of the lower main body at equal intervals, a sliding block is arranged in the sliding grooves, a first telescopic rod is fixed at the inner side position of the lower main body, the output end of the first telescopic rod is fixedly connected with the inner side surface of the sliding block, the outer side of the sliding block extends out of the sliding groove, a limiting block is fixed at the outer side position of the sliding block, balls are arranged on the upper side surface of the sliding block and the outer side surface of the limiting block in a rolling mode, a supporting part is arranged on the outer side of the limiting block in a contacting mode with the balls in the limiting block, and the bottom surface of the supporting part is contacted with the balls in the sliding block.
Further, the inside of going up the main part is provided with liquid guiding mechanism, the annular has been seted up to the inside of lower main part, the upside and the liquid guiding mechanism intercommunication of annular, the downside and the spout intercommunication of annular, the jet orifice has been seted up to the inside of slider, the import and the spout intercommunication of jet orifice, the export and the external environment intercommunication of jet orifice, the export of jet orifice is towards the position of the inboard lower extreme of supporting part.
Further, the outlet of the injection hole is arranged at an inclined angle.
Further, liquid guiding mechanism is including changeing chamber, blade, inlet port and a liquid hole, go up the inside outside position that is located the pivot of main part and seted up changeing the chamber, the lateral surface circumference of pivot is provided with the blade, the blade is inclination setting, blade and changeing the chamber and form sliding connection, go up the inside of main part and be located the upside position that changes the chamber and seted up a liquid hole for intercommunication external environment and changeing the chamber, go up the inside of main part and be located the downside position that changes the chamber and seted up a liquid hole for intercommunication changes chamber and annular.
Further, the inside of going up the main part and be located the outside position in a play liquid hole and seted up flexible chamber, flexible chamber intercommunication changes chamber and external environment, be provided with a contact in the flexible chamber of No. one, the draw-in groove has been seted up in the inside of going up the main part and the upside position that is located flexible chamber of No. one, be provided with a fixture block in the draw-in groove, the downside and the contact fixed connection of a fixture block of No. one, the inside of a fixture block just is located the outside position of a fixture block and is provided with an elastic component, the lateral surface and the inner wall of a draw-in groove of a fixture block are connected respectively at the both ends of an elastic component.
Further, liquid guiding mechanism includes liquid chamber, no. two telescopic links, baffle, no. two feed liquor holes and check valve, the liquid chamber has been seted up to the inside of going up the main part and the outside position circumference that is located the pivot, the upside inner wall of liquid chamber is fixed with No. two telescopic links, the inside of liquid chamber and the downside position sealing movable mounting who is located No. two telescopic links have the baffle, the baffle is fixed with the output of No. two telescopic links, the baffle separates into the liquid chamber and is located the upside position go up the liquid chamber and be located the downside position the lower liquid chamber, the inside of going up the main part and be located the outside of liquid chamber are provided with No. two feed liquor holes, no. two feed liquor holes divide into three side ports in going up, no. two upside ports and external environment intercommunication of feed liquor hole, no. two downside ports and last liquid chamber intercommunication, no. two side ports are No. two side ports, no. two side ports are in the side of going up the liquid chamber and No. two, no. two side ports are in the side port and No. two side ports are connected with the liquid chamber.
Further, the inside of going up the main part and being located the downside position in liquid chamber and seted up No. two flexible chambeies, no. two flexible chambeies intercommunication No. two play liquid holes and external environment, be provided with No. two contact members in No. two flexible chambeies, no. two draw-in grooves have been seted up to the inside of going up the main part and being located the upside position in No. two flexible chambeies, no. two clamping blocks are provided with in No. two draw-in grooves, no. two clamping block's downside and No. two contact member fixed connection, no. two clamping block's inside and No. two clamping block's outside positions are provided with No. two elastic components, no. two clamping block's lateral surface and No. two clamping block's inner wall are connected respectively to No. two elastic components's both ends.
The application has the following beneficial effects:
according to the heat treatment equipment with the crossed roller slewing bearing, the main body is driven to rotate by the rotating shaft and the balls after the supporting part is immersed in quenching liquid, so that the sliding block and the limiting block rotate along with the main body, and in the process, the sliding block and the limiting block are contacted with the supporting part through the balls, so that the supporting part is approximately fixed through the gravity of the sliding block and the limiting block in the rotating process of the sliding block and the limiting block, and the part of the supporting part, which is contacted with the limiting block and the sliding block, can be effectively contacted with the quenching liquid through the actions, so that the cooling speed of the part is accelerated.
Through the arrangement of the blades and the spray holes, the blades synchronously rotate in the rotating process of the rotating shaft, and then the quenching liquid is driven to spray from the spray holes to the bottom surface and the inner side surface of the supporting component, and through the action, when the bottom of the supporting component is contacted with the quenching liquid, generated bubbles are washed away by the liquid flow, so that the bottom of the supporting component can be fully contacted with the quenching liquid, and the cooling speed of the supporting component is further increased.
Through the arrangement of the jet hole and the blades, when the liquid flow is jetted from the jet hole, as the outlet of the jet hole is obliquely arranged and the oblique direction is opposite to the rotating direction of the lower main body, when the liquid flow contacts the supporting component, acting force is applied to the supporting component, the acting force enables the supporting component to generate a movement trend opposite to the rotating direction of the lower main body, and through the action, the supporting component, the sliding block and the limiting block are further promoted to generate relative movement, so that the part of the supporting component, which contacts the limiting block and the sliding block, can effectively contact quenching liquid, and the cooling speed of the part is further accelerated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
The application may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall structure of a first embodiment of the present application;
FIG. 2 is a schematic diagram showing the internal structures of the upper and lower bodies according to the first embodiment of the present application;
FIG. 3 is an enlarged schematic view of a portion of the structure of FIG. 2A in accordance with the present application;
FIG. 4 is a schematic view showing the internal structure of an upper body in a second embodiment of the present application;
FIG. 5 is a partially enlarged schematic illustration of the structure of FIG. 4B in accordance with the present application;
FIG. 6 is a schematic diagram illustrating the internal structures of the upper and lower main bodies according to the third embodiment of the present application;
FIG. 7 is an enlarged schematic view of a portion of the structure of FIG. 6 at C in accordance with the present application;
FIG. 8 is a schematic diagram showing a flow state of a check valve according to a third embodiment of the present application;
FIG. 9 is a schematic view of a check valve according to a third embodiment of the present application;
FIG. 10 is a schematic view showing the internal structure of an upper body in a fourth embodiment of the present application;
fig. 11 is a partially enlarged schematic view of the structure at D in fig. 10 according to the present application.
1. An upper body; 2. a lifting rod; 3. a rotating shaft; 4. a lower body; 5. a chute; 6. a slide block; 7. a first telescopic rod; 8. a limiting block; 9. a ball; 10. a rotating cavity; 11. a blade; 12. a first liquid inlet hole; 13. a first liquid outlet hole; 14. a ring groove; 15. an injection hole; 16. a first telescopic cavity; 17. a contact number one; 18. a first clamping groove; 19. a first clamping block; 20. a first elastic member; 21. a liquid chamber; 22. a second telescopic rod; 23. a partition plate; 24. a second liquid inlet hole; 25. a second liquid outlet hole; 26. a one-way valve; 27. a second telescopic cavity; 28. a contact II; 29. a second clamping groove; 30. a second clamping block; 31. and a second elastic piece.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1-3, a heat treatment device with crossed rollers and a slewing bearing comprises an upper main body 1, wherein a lifting rod 2 is welded at the center position of the upper side surface of the upper main body 1, the lifting rod 2 is connected with a lifting mechanism (such as a mechanical arm), a rotating shaft 3 is arranged at the center position of the inner part of the upper main body 1, a power mechanism (such as a motor) is fixedly arranged at the upper side position of the rotating shaft 3 inside the upper main body 1, the upper end of the rotating shaft 3 is fixedly connected with the output end of the power mechanism, the lower end of the rotating shaft 3 extends out of the upper main body 1, a lower main body 4 is arranged at the lower side of the upper main body 1 in a sealing and rotating manner, a sliding groove 5 is formed at the center position of the upper side surface of the lower main body 4 and the lower end of the rotating shaft 3 in a welding manner, sliding grooves 5 are formed at the circumferential positions of the inner side surfaces of the lower main body 4 at equal intervals, sliding blocks 6 are slidably arranged in the sliding grooves 5, a first telescopic rod 7 (similar to the electric telescopic rod in the prior art) is fixedly connected with the inner side surfaces of the sliding grooves 5, the outer sides of the sliding blocks 6 extend out of the sliding grooves 8, limiting blocks 8 are welded at the upper side surfaces of the sliding blocks 6, rolling side surfaces 8 are arranged at the outer side surfaces of the sliding blocks 8 and are in contact with the inner side surfaces 9 of the rolling balls and are in the inner supporting parts 9 of the sliding blocks.
When the quenching device is used, the lifting rod 2 drives the upper body 1 and the lower body 4 to extend into the center position of the heated supporting part, then the first telescopic rod 7 drives the sliding block 6 and the limiting block 8 to extend out, finally the supporting part, the sliding block 6 and the limiting block 8 are in the state shown in figure 2, then the lifting rod 2 drives the upper body 1, the lower body 4 and the supporting part to move, the three parts enter a container containing quenching liquid and fully contact with the quenching liquid, the supporting part is cooled and quenching is completed, in the process, the power mechanism drives the rotating shaft 3 to rotate, the lower body 4 drives the sliding block 6 and the limiting block 8 to synchronously rotate, and at the moment, the sliding block 6 and the limiting block 8 are contacted with the supporting part through the balls 9, so that the blocked area of the surface of the supporting part is reduced, the cooling speed of the supporting part is accelerated, then in the process that the sliding block 6 and the limiting block 8 rotate, the supporting part is relatively moved (the sliding block 6 and the limiting block 8 can not pass through the balls 9 and the supporting part or the supporting part can not be contacted with the supporting part) due to the fact that the self gravity of the supporting part is relatively moved in the quenching liquid, and the cooling part can not be fully contacted with the supporting part is fully contacted with the quenching part.
Referring to fig. 2 and 3, a rotating cavity 10 is provided in an outer side position of the rotating shaft 3 in the upper main body 1, blades 11 are welded at equal intervals on an outer side surface of the rotating shaft 3, the blades 11 are arranged at an inclined angle, the blades 11 are in sliding connection with the rotating cavity 10, a first liquid inlet 12 is provided in an upper side position of the rotating cavity 10 in the upper main body 1, an upper side of the first liquid inlet 12 is communicated with an external environment, a first liquid outlet 13 is provided in a lower side position of the rotating cavity 10 in the upper main body 1, an upper side of the first liquid outlet 13 is communicated with the rotating cavity 10, a ring groove 14 is provided in a position between the first liquid outlet 13 and the sliding groove 5 in the lower main body 4, an upper side of the ring groove 14 is communicated with a lower side of the first liquid outlet 13, a lower side of the ring groove 14 is communicated with the sliding groove 5, an injection hole 15 is provided in an inner side of the sliding block 6, an inlet of the injection hole 15 is communicated with the sliding groove 5, an outlet of the injection hole 15 is communicated with the external environment, an outlet of the injection hole 15 faces an inner side lower end of a supporting part, and an outlet of the injection hole 15 is inclined at an inclined angle.
In the process of rotating the rotating shaft 3, the blades 11 synchronously rotate, so that the quenching liquid in the container passes through the first liquid inlet 12, the rotating cavity 10, the first liquid outlet 13, the annular groove 14 and the sliding groove 5, and is further sprayed from the spraying hole 15 to the bottom surface and the inner side surface of the supporting part, when the bottom of the supporting part contacts the quenching liquid, bubbles generated by evaporation are washed away by the liquid flow, so that the bottom of the supporting part can fully contact the quenching liquid, and further the cooling speed of the supporting part is accelerated, meanwhile, as the outlet of the spraying hole 15 is obliquely arranged, and the oblique direction is opposite to the rotating direction of the lower main body 4, when the liquid flow contacts the supporting part, the supporting part is enabled to generate a movement trend opposite to the rotating direction of the lower main body 4, and through the actions, the supporting part is further enabled to generate relative movement with the sliding block 6 and the limiting block 8, so that the part of the supporting part contacting the limiting block 8 and the sliding block 6 can be effectively contacted with the quenching liquid, and the cooling speed of the part is further accelerated.
Example two
Referring to fig. 2-5, this embodiment is a further improvement of the first embodiment, and the improvement is that: the inside flexible chamber 16 that has seted up of the outside position that is located a play liquid hole 13 of last main part 1, the inboard and the commentaries on classics chamber 10 intercommunication of flexible chamber 16, the outside and the external environment intercommunication of flexible chamber 16, slidable mounting has a contact 17 in the flexible chamber 16 of a No. one, the draw-in groove 18 has been seted up to the upside position that is located a flexible chamber 16 of the inside of last main part 1, slidable mounting has a fixture block 19 in a draw-in groove 18, the downside and the contact 17 fixed connection of a fixture block 19, be located the outside position of a fixture block 19 in a draw-in groove 18 and be provided with an elastic component 20, the lateral surface and the inner wall of a draw-in groove 18 of a fixture block 19 are connected respectively to the both ends of an elastic component 20.
In the process that the liquid flow is driven by the rotating blade 11 to pass through the first liquid outlet hole 13, part of the liquid flow can enter the first telescopic cavity 16 and push the first contact element 17 to extend, so that the first clamping block 19 compresses the first elastic element 20, the first contact element 17 extending out contacts the inner side surface of the supporting part, and through the action, resistance is further applied to the supporting part, and further the supporting part, the sliding block 6 and the limiting block 8 are further driven to generate relative movement, so that the part of the supporting part, which contacts the limiting block 8 and the sliding block 6, can be effectively contacted with quenching liquid, and the cooling speed of the part is further accelerated.
Example III
The utility model provides a cross roller slewing bearing heat treatment equipment, including last main part 1, the central point of going up the side of main part 1 welds there is lifter 2, lifter 2 is connected with elevating system (such as the arm), the inside central point of going up main part 1 is provided with pivot 3, the inside upside position that is located pivot 3 of going up main part 1 is fixed with power unit (such as the motor), the upper end and the output fixed connection of power unit of pivot 3, the lower extreme of pivot 3 stretches out last main part 1, the downside sealing rotation of going up main part 1 is provided with down main part 4, the central point of the upper side of lower main part 4 forms welded fastening with the lower extreme of pivot 3, the spout 5 has been offered to the circumference position equidistance in the inside of lower main part 4, slidable mounting has slider 6 in the spout 5, the inside position that is located slider 5 of lower main part 4 is fixed with the expansion link 7 (similar to the electric expansion link in the prior art), the output of expansion link 7 and the medial surface fixed connection of slider 6, the outside of slider 6 stretches out spout 5, the lateral surface that is located slider 6 and the lateral position that is located slider 5 stretches out of slider 8, the upper side and the stopper 8, the lateral surface that is located slider 6 forms welded with stopper 8, the lateral surface that contacts with the ball 9 of the inside of the bearing part of stopper 8, the ball bearing part 9 is installed to the inside the ball bearing part.
Referring to fig. 2, 6, 7, 8 and 9, a liquid cavity 21 is circumferentially and equidistantly arranged at the outer side position of the rotating shaft 3 in the upper main body 1, a second telescopic rod 22 (similar to an electric telescopic rod in the prior art) is fixedly arranged on the inner wall of the upper side of the liquid cavity 21, a baffle plate 23 is hermetically and slidingly arranged at the lower side position of the second telescopic rod 22 in the liquid cavity 21, the upper side surface of the baffle plate 23 is welded and fixed with the output end of the second telescopic rod 22, the baffle plate 23 divides the liquid cavity 21 into an upper liquid cavity at the upper side position and a lower liquid cavity at the lower side position, a second liquid inlet 24 is arranged at the outer side of the liquid cavity 21 in the upper main body 1, the second liquid inlet 24 is divided into an upper port, a middle port and a lower port, the upper port of the second liquid inlet 24 is communicated with the external environment, the middle port of the second liquid inlet 24 is communicated with the lower liquid cavity, the inner side of the upper main body 1, which is positioned at the inner side of the liquid cavity 21, is provided with a second liquid outlet hole 25, the second liquid outlet hole 25 is divided into an upper port, a middle port and a lower port, the upper port of the second liquid outlet hole 25 is communicated with the upper liquid cavity, the middle port of the second liquid outlet hole 25 is communicated with the lower liquid cavity, the middle port of the second liquid inlet hole 24 and the upper port of the second liquid outlet hole 25 are fixedly provided with a check valve 26, the circulation direction of the check valve 26 is shown in figure 8, the check valve 26 consists of a valve body, a conical hole, a through hole and a blocking ball, the valve body is fixedly arranged at the middle port of the second liquid inlet hole 24 and the upper port of the second liquid outlet hole 25, one side of the valve body cavity is provided with a conical hole, the other side of the valve body cavity is provided with a through hole, the conical hole, the valve body cavity and the through hole form a communication channel, the blocking ball is placed in the valve body cavity, the diameter of the blocking ball is larger than the minimum diameter of the conical hole, the ring groove 14 is formed in the position between the second liquid outlet hole 25 and the sliding groove 5 in the lower main body 4, the upper side of the ring groove 14 is communicated with the port on the lower side of the second liquid outlet hole 25, the lower side of the ring groove 14 is communicated with the sliding groove 5, the injection hole 15 is formed in the sliding block 6, the inlet of the injection hole 15 is communicated with the sliding groove 5, the outlet of the injection hole 15 is communicated with the external environment, the outlet of the injection hole 15 faces the position of the lower end on the inner side of the supporting part, and the outlet of the injection hole 15 is arranged at an inclined angle.
In the process of rotating the rotating shaft 3, the second telescopic rod 22 synchronously operates so as to drive the partition plate 23 to reciprocate up and down in the liquid cavity 21, when the partition plate 23 moves down, negative pressure is generated in the liquid cavity, the negative pressure is pumped into the quenching liquid through the upper and middle side ports of the second liquid inlet hole 24, and meanwhile, the downward moving baffle plate 23 extrudes the quenching liquid in the lower liquid cavity, so that the liquid in the lower liquid chamber is transferred to the ring groove 14 through the middle lower side port of the second liquid outlet hole 25, and then, when the partition plate 23 moves up, the negative pressure is generated in the lower liquid chamber, the negative pressure is pumped into the quenching liquid through the upper and lower side ports of the second liquid inlet 24, and meanwhile, the upward moving baffle plate 23 extrudes the liquid in the upper liquid cavity, so that the liquid in the upper liquid cavity can be delivered to the ring groove 14 through the upper and lower side ports of the second liquid outlet hole 25, so that the quenching liquid in the container passes through the second liquid inlet hole 24, the liquid cavity 21, the second liquid outlet hole 25, the ring groove 14 and the sliding groove 5, further, when the bottom of the support member is brought into contact with the quenching liquid by the above-described action of spraying the quenching liquid from the spray hole 15 toward the bottom surface and the inner side surface of the support member, bubbles generated by evaporation are washed away by the liquid flow, so that the bottom of the supporting component can be fully contacted with quenching liquid, the cooling speed of the supporting component is further increased, and meanwhile, since the outlet of the injection hole 15 is provided obliquely, and the direction of the inclination is opposite to the rotation direction of the lower body 4, so that when the liquid flow contacts the support member, the support member will tend to move in a direction opposite to the direction of rotation of the lower body 4, by the above action, the supporting component, the sliding block 6 and the limiting block 8 are further driven to generate relative motion, so that the part of the supporting component contacting the limiting block 8 and the sliding block 6 can effectively contact the quenching liquid, thereby accelerating the cooling speed of the part.
Example IV
Referring to fig. 6, 7, 10 and 11, the present embodiment is a further improvement of the third embodiment, and the improvement is that: the inside downside position that is located liquid chamber 21 of last main part 1 has seted up No. two flexible chambeies 27, the inboard and the play liquid hole 25 intercommunication No. two of No. two flexible chambeies 27, the outside and the external environment intercommunication of No. two flexible chambeies 27, slidable mounting has No. two contact pieces 28 in No. two flexible chambeies 27, no. two draw-in grooves 29 have been seted up to the upside position that is located No. two flexible chambeies 27 of last main part 1 inside, slidable mounting has No. two fixture blocks 30 in No. two draw-in grooves 29, the downside and the contact pieces 28 fixed connection No. two of No. two fixture blocks 30, no. two outside positions that are located No. two fixture blocks 30 in No. two draw-in grooves 29 are provided with No. two elastic pieces 31, the lateral surface and the inner wall of No. two draw-in grooves 29 of No. two fixture blocks 30 are connected respectively to No. two ends of No. 31.
In the process that the liquid flow passes through the second liquid outlet hole 25, part of the liquid flow can enter the second telescopic cavity 27 and push the second contact element 28 to extend, so that the second clamping block 30 compresses the second elastic element 31, the second extending contact element 28 contacts the inner side surface of the supporting component, and through the action, resistance is further applied to the supporting component, and further the supporting component, the sliding block 6 and the limiting block 8 are further caused to generate relative movement, so that the part of the supporting component, which contacts the limiting block 8 and the sliding block 6, can be effectively contacted with quenching liquid, and the cooling speed of the part is further accelerated.
Claims (7)
1. A cross roller slewing bearing heat treatment apparatus comprising: go up main part (1), the central point of last side of main part (1) is fixed with lifter (2), its characterized in that: the inner center of the upper main body (1) is provided with a rotating shaft (3), a power mechanism is fixed in the inner part of the upper main body (1) and positioned at the upper side of the rotating shaft (3), the rotating shaft (3) is connected with the power mechanism, the lower end of the rotating shaft (3) extends out of the upper main body (1), the lower side of the upper main body (1) is provided with a lower main body (4) in a sealing rotation manner, the center of the upper side of the lower main body (4) is connected with the lower end of the rotating shaft (3), sliding grooves (5) are formed in the inner circumferential position of the lower main body (4) at equal intervals, sliding blocks (6) are arranged in the sliding grooves (5), a first telescopic rod (7) is fixed in the inner side of the sliding grooves (5), the output end of the first telescopic rod (7) is fixedly connected with the inner side surface of the sliding blocks (6), the outer side of the sliding blocks (6) extends out of the sliding grooves (5), limiting blocks (8) are fixed at the outer side positions of the upper side surfaces of the sliding blocks (6), limiting blocks (8) are arranged at the outer side positions of the upper side surfaces of the sliding blocks (6) and are in contact with the inner side surfaces of the rolling balls (8) of the rolling parts (9), the bottom surface of the supporting component is contacted with the ball (9) in the sliding block (6).
2. The crossed roller slewing bearing heat treatment equipment according to claim 1, wherein a liquid guide mechanism is arranged in the upper main body (1), an annular groove (14) is formed in the lower main body (4), the upper side of the annular groove (14) is communicated with the liquid guide mechanism, the lower side of the annular groove (14) is communicated with the sliding groove (5), an injection hole (15) is formed in the sliding block (6), an inlet of the injection hole (15) is communicated with the sliding groove (5), an outlet of the injection hole (15) is communicated with the external environment, and an outlet of the injection hole (15) faces to the position of the lower end of the inner side of the supporting part.
3. A cross roller slewing bearing heat treatment apparatus as claimed in claim 2, wherein the outlet of the jet orifice (15) is arranged at an oblique angle.
4. The crossed roller slewing bearing heat treatment equipment according to claim 2, wherein the liquid guide mechanism comprises a rotating cavity (10), a blade (11), a liquid inlet hole (12) and a liquid outlet hole (13), the rotating cavity (10) is formed in the outer side position of the rotating shaft (3) inside the upper main body (1), the blade (11) is circumferentially arranged on the outer side surface of the rotating shaft (3), the blade (11) is arranged at an inclined angle, the blade (11) and the rotating cavity (10) form sliding connection, the liquid inlet hole (12) is formed in the inner side of the upper main body (1) and located at the upper side position of the rotating cavity (10) and used for communicating the external environment with the rotating cavity (10), and the liquid outlet hole (13) is formed in the inner side of the upper main body (1) and located at the lower side position of the rotating cavity (10) and used for communicating the rotating cavity (10) with the annular groove (14).
5. The crossed roller slewing bearing heat treatment equipment according to claim 4, wherein a first telescopic cavity (16) is formed in the upper main body (1) and located at the outer side of the first liquid outlet hole (13), the first telescopic cavity (16) is communicated with the rotating cavity (10) and the external environment, a first contact piece (17) is arranged in the first telescopic cavity (16), a first clamping groove (18) is formed in the upper main body (1) and located at the upper side of the first telescopic cavity (16), a first clamping block (19) is arranged in the first clamping groove (18), the lower side of the first clamping block (19) is fixedly connected with the first contact piece (17), a first elastic piece (20) is arranged in the first clamping groove (18) and located at the outer side of the first clamping block (19), and two ends of the first elastic piece (20) are respectively connected with the outer side face of the first clamping block (19) and the inner wall of the first clamping block (18).
6. The crossed roller slewing bearing heat treatment equipment according to claim 2, wherein the liquid guide mechanism comprises a liquid cavity (21), a second telescopic rod (22), a partition plate (23), a second liquid inlet hole (24), a second liquid outlet hole (25) and a one-way valve (26), the liquid cavity (21) is circumferentially arranged in the upper main body (1) and positioned at the outer side of the rotating shaft (3), the second telescopic rod (22) is fixed on the upper inner wall of the liquid cavity (21), a partition plate (23) is movably arranged in the inner part of the liquid cavity (21) and positioned at the lower side of the second telescopic rod (22), the partition plate (23) is fixed with the output end of the second telescopic rod (22), the partition plate (23) divides the liquid cavity (21) into an upper liquid cavity positioned at the upper side and a lower liquid cavity positioned at the lower side, the upper liquid inlet hole (24) is arranged in the upper main body (1), the lower liquid inlet hole (24) is divided into a third liquid inlet port, the upper liquid cavity (24) is communicated with the upper liquid cavity (24) and the lower liquid inlet hole (24) is arranged at the lower side of the upper main body (1), the second liquid outlet hole (25) is divided into an upper port, a middle port and a lower port, the upper port of the second liquid outlet hole (25) is communicated with the upper liquid cavity, the middle port of the second liquid outlet hole (25) is communicated with the lower liquid cavity, the middle port of the second liquid inlet hole (24) and the upper middle port of the second liquid outlet hole (25) are both provided with one-way valves (26), and the upper side of the ring groove (14) is communicated with the lower port of the second liquid outlet hole (25).
7. The crossed roller slewing bearing heat treatment equipment according to claim 6, wherein the inside of the upper main body (1) and the lower side position of the liquid cavity (21) are provided with a second telescopic cavity (27), the second telescopic cavity (27) is communicated with a second liquid outlet hole (25) and the external environment, the second telescopic cavity (27) is internally provided with a second contact element (28), the inside of the upper main body (1) and the upper side position of the second telescopic cavity (27) are provided with a second clamping groove (29), the second clamping groove (29) is internally provided with a second clamping block (30), the lower side of the second clamping block (30) is fixedly connected with the second contact element (28), the inside of the second clamping groove (29) and the outer side position of the second clamping block (30) are provided with a second elastic element (31), and two ends of the second elastic element (31) are respectively connected with the outer side surface of the second clamping block (30) and the inner wall of the second clamping groove (29).
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| CN202310758059.6A CN116814928B (en) | 2023-06-26 | 2023-06-26 | Cross roller slewing bearing heat treatment equipment |
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| CN202310758059.6A CN116814928B (en) | 2023-06-26 | 2023-06-26 | Cross roller slewing bearing heat treatment equipment |
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