CN211161925U

CN211161925U - Increase material swivel work head with circulative cooling function

Info

Publication number: CN211161925U
Application number: CN201922340577.8U
Authority: CN
Inventors: 钟俊超
Original assignee: Foshan Yuren Intelligent Technology Co ltd
Current assignee: Foshan Yuren Intelligent Technology Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-08-04
Anticipated expiration: 2029-12-21

Abstract

The utility model provides an increase material swivel work head with circulative cooling function, including swivel work head, rotary seal axle and the base of being connected with outside rotary drive equipment, the swivel work head is connected at rotary seal axle top, the base is connected to rotary seal axle bottom, be equipped with the cooling circuit that supplies coolant liquid to flow on the swivel work head, be equipped with coolant liquid import and coolant liquid export on the rotary seal axle, the coolant liquid import is through cooling circuit intercommunication coolant liquid export, coolant liquid enters into the cooling circuit through the coolant liquid import, carries out the heat exchange with the swivel work head, makes the temperature of swivel work head descend, thereby realizing the purpose of cooling the workpiece in a non-contact way, the shaft core and the shaft sleeve are mutually sealed and can rotate, and the annular liquid inlet groove and the annular liquid outlet groove surround the outer wall of the shaft core, so that the aim of stably inputting or outputting cooling liquid to or from the cooling loop is fulfilled.

Description

Increase material swivel work head with circulative cooling function

Technical Field

The utility model relates to an increase material manufacturing equipment technical field, concretely relates to increase material swivel work head with circulative cooling function.

Background

When non-consumable electrode inert gas protection arc additive printing is carried out, a control system of additive equipment controls a welding wire to be continuously led into an arc welding gun head, the welding wire is melted on a printing bottom plate of a rotary workbench through high-temperature electric arc between the arc welding gun head and the rotary workbench to form an additive printing layer, and a workpiece is formed after layer-by-layer printing.

In the additive manufacturing process, high heat input easily causes rapid heating of workpieces, the workpieces need to be kept in a relatively stable temperature range for ensuring product quality, and the conventional production process mainly adopts a mode of stopping machine for waiting for natural cooling, so that the cooling efficiency is low and the manufacturing efficiency is influenced; although the cooling efficiency can be effectively improved by using water cooling, the oxidation resistance of partial materials is not suitable for direct water cooling, or the uncontrollable direct water cooling can cause too fast cooling and produce product defects, and the continuous supply of cooling water for equipment using a rotary worktable as a processing space also becomes a difficult problem.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides an increase material swivel work head with circulative cooling function through set up cooling circuit on swivel work head, during the coolant liquid enters into cooling circuit through the coolant liquid import, carries out the heat exchange with swivel work head, makes swivel work head's temperature can descend, and then realizes the purpose of non-contact's cooling work piece.

The technical scheme of the utility model is realized like this:

a material-increasing rotary worktable with a circulating cooling function comprises a rotary worktable, a rotary sealing shaft and a base connected with external rotary driving equipment, wherein the external rotary driving equipment is generally a driving motor of material-increasing equipment or a power output mechanism controlled by the driving motor, such as a reduction gearbox and the like, the top of the rotary sealing shaft is connected with the rotary worktable, the bottom of the rotary sealing shaft is connected with the base, the rotary worktable is provided with a cooling loop for cooling liquid to flow, the cooling loop is a circulation channel formed by deep hole machining, the rotary sealing shaft is provided with a cooling liquid inlet and a cooling liquid outlet, the cooling liquid inlet is communicated with the cooling liquid outlet through the cooling loop, and in the material-increasing printing process, the heat of a workpiece can be dissipated to the rotary worktable at the bottom of the workpiece to increase the temperature of the rotary worktable, the cooling liquid enters the cooling loop through the cooling liquid inlet and exchanges heat with the rotary worktable, so that the temperature of the rotary worktable is reduced, the purpose of cooling the workpiece in a non-contact manner is achieved, the process performance of the workpiece is guaranteed, the cooling liquid after heat exchange flows back to the external circulating water tank through the cooling liquid outlet for cooling, the cooling liquid is pumped into the cooling loop through the cooling liquid inlet after cooling, the purpose of circulating cooling is achieved, and the purpose of controlling the temperature reduction speed of the workpiece can be achieved by controlling the flow and the temperature of the cooling liquid in the cooling loop.

In the additive printing process, the movement of the printing gun head is only the movement between printing layers, and the movement for realizing the printing track is realized through the rotary movement of the rotary worktable, namely the rotary worktable rotates in the additive printing process, but an external circulating water tank for continuously supplying cooling liquid to a cooling circuit is fixed and does not rotate along with the rotary worktable, so that the technical problem of how to continuously introduce the cooling liquid in the external circulating water tank into the rotating cooling circuit is very troublesome.

Further, the rotary sealing shaft comprises a shaft core and a shaft sleeve, the shaft core is rotatably arranged in the shaft sleeve, the top of the shaft core is fixedly connected with the rotary workbench, the bottom of the shaft core is fixedly connected with the base, a bolt fixing mode can be adopted, the outer wall of the shaft core is provided with an annular liquid inlet groove and an annular liquid outlet groove which surround the shaft core, the axial direction of the shaft core is provided with a liquid inlet channel and a liquid outlet channel, the liquid inlet channel is communicated with the annular liquid inlet groove, the liquid outlet channel is communicated with the annular liquid outlet groove, the liquid inlet channel is communicated with the liquid outlet channel through the cooling circuit, a cooling liquid inlet is arranged on the shaft sleeve and is communicated with the annular liquid inlet groove, a cooling liquid outlet is arranged on the shaft sleeve and is communicated with the annular liquid outlet groove, and the shaft core and the shaft sleeve which can relatively seal and rotate through the design, coolant liquid import and coolant liquid export on the axle sleeve all are used for connecting external circulation water tank, coolant liquid enters into the annular feed liquor inslot around the axle core outer wall behind the axle sleeve, through the form of circling the axle core outer wall to feed liquor groove design, make the axle core rotatory no matter how, inlet channel all can be linked together with the coolant liquid import, so can realize the purpose in the coolant liquid passes through the mechanism that the rotary motion is being in from the fixed mechanism, and then solved the continuous technical problem who lets in the cooling circuit in the rotation of coolant liquid in the external circulation water tank, equally, the technical problem in the external circulation water tank of discharging that the coolant liquid on the swivel work head in the rotatory motion lasts has also been solved to annular liquid outlet tank. The shaft core and the shaft sleeve are sealed and can rotate, and the annular liquid inlet groove and the annular liquid outlet groove surround the outer wall of the shaft core, so that the purpose of stably inputting or outputting cooling liquid to the cooling circuit is achieved.

Further, annular feed liquor groove with be equipped with between the annular liquid groove and center on the seal ring groove of axle core outer wall, be equipped with annular seal ring on the seal ring groove, wherein, the seal ring groove has a plurality ofly, establishes respectively in the upper and lower both sides in annular feed liquor groove to and the upper and lower both sides in annular liquid groove, play the feed liquor space of the corresponding annular feed liquor groove of closure and the effect in the play liquid space in annular liquid groove, avoid taking place the problem of leaking the coolant liquid, in order to realize ensureing cooling efficiency's purpose.

Furthermore, the bottom of the shaft sleeve is provided with an overflow port, the overflow port is communicated with a gap between the outer wall of the shaft core and the inner wall of the shaft sleeve, the overflow port is designed to play a role in emptying leaked cooling liquid, particularly, the bottom of the shaft core below the overflow port is provided with the seal ring groove, and the annular seal ring is arranged on the seal ring groove, so that the function of preventing the cooling liquid from leaking outwards from the bottom of the shaft core can be played.

Further, cooling circuit includes first cooling circuit and second cooling circuit, the swivel work head bottom is equipped with first import, first export, second import and second export, first import with first export communicates respectively the both ends of first cooling circuit, the second import with the second export communicates respectively the both ends of second cooling circuit, first import with the second import all communicates inlet channel, first export with the second export all communicates outlet channel.

Furthermore, the first cooling circuit and the second cooling circuit are both U-shaped or S-shaped and are symmetrically arranged on the rotary worktable, so that the effect of enlarging the contact area of heat exchange can be achieved, and the heat exchange efficiency is improved.

Further, be equipped with on the first cooling circuit and all extend to first concatenate import and first concatenate the export on the swivel work head lateral wall, first concatenate the import and connect the export through removable first concatenation hose intercommunication first concatenate the export, be equipped with on the second cooling circuit and all extend to second on the swivel work head lateral wall concatenates import and second and concatenates the export, the import is concatenated through removable second and concatenates the hose intercommunication to the second and concatenates the export, makes things convenient for other external cooling device to further realization improves cooling efficiency's purpose.

Furthermore, the device also comprises an adherence cooling device, wherein the adherence cooling device comprises a liquid inlet pipe, a liquid outlet pipe, a thin steel strip and a plurality of heat dissipation copper blocks tightly attached to the outer side wall of the workpiece, the heat dissipation copper blocks are fixedly arranged on the thin steel strip through screws, each heat dissipation copper block is provided with a cooling channel for cooling liquid to circulate, one end of the liquid inlet pipe is communicated with the inlet of the cooling channel, the other end of the liquid inlet pipe is communicated with the first serial inlet or the second serial inlet, one end of the liquid outlet pipe is communicated with the outlet of the cooling channel, the other end of the liquid outlet pipe is connected with the first serial outlet or the second serial outlet, the thin steel strip has flexibility and is easy to bend due to small thickness, the effect of conveniently fixing the heat dissipation copper blocks on the outer side wall of the workpiece is achieved, and the purpose of rapid heat exchange between the workpiece and the heat dissipation copper blocks, the first inlet or the second inlet is connected in series, so that the purpose of connecting the adherent cooling device in series is realized, the adherent cooling device realizes the purpose of cooling the outer side wall of the workpiece, the effect of enlarging the cooling heat exchange area is achieved, the heat dissipation and cooling efficiency is further improved, the cooling liquid cannot contact with the surface of the workpiece in the cooling process, and the effect of effectively protecting the metal performance of the workpiece is also achieved.

Further, a plurality of end to end in proper order through the hose between the cooling channel, be linked together through the mode that concatenates between the cooling channel, simple structure, simple to operate, the both ends of thin steel band all are equipped with the coupling head, two all be equipped with the bolt hole that is used for connecting bolt on the coupling head, at thin steel band both ends design coupling head, make thin steel band have the modular function, when the week length overlength of work piece lateral wall, can concatenate many thin steel bands, improve this adherence cooling device's adaptability.

Further, still include the thermocouple with outside vibration material disk's monitored control system electric connection, the thermocouple is installed on heat dissipation copper billet or the swivel work head, wherein, outside monitored control system is vibration material disk equipment's own monitored control system, and the thermocouple plays the effect of real-time detection heat dissipation copper billet or swivel work head's surface temperature to in the temperature and the flow of cooling liquid are controlled according to real-time temperature, with the purpose of realizing intelligent automation.

The utility model has the advantages that: the cooling liquid enters the cooling loop through the cooling liquid inlet and exchanges heat with the rotary worktable to lower the temperature of the rotary worktable, so as to realize the purpose of cooling workpieces in a non-contact way and ensure the process performance of the workpieces, the cooling liquid after heat exchange flows back to the external circulating water tank through the cooling liquid outlet for cooling, and is pumped into the cooling loop through the cooling liquid inlet after cooling, so as to realize the purpose of circulating cooling, the purpose of controlling the temperature reduction speed of the workpieces can be realized by controlling the flow and the temperature of the cooling liquid in the cooling loop, the shaft core, the shaft sleeve, the annular liquid inlet groove and the annular liquid outlet groove which surround the outer wall of the shaft core are sealed and rotatable with each other, so as to realize the purpose of stably inputting or outputting the cooling liquid into or from the cooling loop, the first detachable serial hose and the second serial hose on the rotary worktable play a role of facilitating the external adherent cooling device, to further achieve the purpose of improving the cooling efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural view of a material-adding rotary worktable with a circulating cooling function according to the present invention;

FIG. 2 is a schematic structural view of the rotary seal shaft;

FIG. 3 is an exploded view of the rotary seal shaft;

FIG. 4 is a top view of the mandrel;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 7 is a bottom schematic view of the rotary table;

FIG. 8 is a schematic view of the internal structure of the rotary table from above;

FIG. 9 is an enlarged view of a portion C of FIG. 5;

FIG. 10 is a schematic view of additive printing after the adherence cooling device is connected in series;

FIG. 11 is a schematic structural view of a heat-dissipating copper block;

fig. 12 is a schematic view of the internal structure of the heat dissipation copper block.

The attached drawings are as follows: 1. rotating the working table; 2. a base; 3. a coolant inlet; 4. a coolant outlet; 5. a shaft core; 6. a shaft sleeve; 7. an annular liquid inlet groove; 8. an annular liquid outlet groove; 9. a liquid inlet channel; 10. a liquid outlet channel; 11. a seal ring groove; 12. an annular seal ring; 14. an overflow port; 15. a first cooling circuit; 16. a second cooling circuit; 17. a first inlet; 18. a first outlet; 19. a second inlet; 20. a second outlet; 21. a first annular liquid inlet tank; 22. a second annular liquid inlet tank; 23. a first liquid inlet channel; 24. a second liquid inlet channel; 25. a first coolant inlet; 26. a second coolant inlet; 27. a first tandem inlet; 28. a first series outlet; 29. a first tandem hose; 30. a second tandem inlet; 31. a second tandem outlet; 32. a second tandem hose; 33. a liquid inlet pipe; 34. a liquid outlet pipe; 35. a thin steel strip; 36. a heat dissipation copper block; 37. a cooling channel; 38. a hose; 39. a coupling head; 40. a thermocouple; 41. and (5) a workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 9, a material-increasing rotary table 1 with a circulating cooling function comprises a rotary table 1, a rotary seal shaft and a base 2 connected with an external rotary driving device, wherein the external rotary driving device is generally a driving motor of a material-increasing device or a power output mechanism controlled by the driving motor, such as a reduction gearbox, etc., the top of the rotary seal shaft is connected with the rotary table 1, the bottom of the rotary seal shaft is connected with the base 2, the rotary table 1 is provided with a cooling loop for cooling fluid to flow, wherein the cooling loop is a circulation channel formed by deep hole processing, the rotary seal shaft is provided with a cooling fluid inlet 3 and a cooling fluid outlet 4, the cooling fluid inlet 3 is communicated with the cooling fluid outlet 4 through the cooling loop, and heat of a workpiece can be dissipated to the rotary table 1 at the bottom of the workpiece during material-increasing printing to increase the temperature of the rotary table 1, the cooling liquid enters the cooling loop through the cooling liquid inlet 3 and exchanges heat with the rotary worktable 1 to lower the temperature of the rotary worktable 1, so that the purpose of cooling the workpiece in a non-contact manner is achieved, the process performance of the workpiece is guaranteed, the cooling liquid after heat exchange flows back to the external circulating water tank through the cooling liquid outlet 4 to be cooled, the cooling liquid is pumped into the cooling loop through the cooling liquid inlet 3 after being cooled, the purpose of circulating cooling is achieved, and the purpose of controlling the temperature reduction speed of the workpiece can be achieved by controlling the flow and the temperature of the cooling liquid in the cooling loop.

In the additive printing process, the movement of the printing gun head is only the movement in the height direction between printing layers, and the movement for realizing the printing track is realized by the rotary movement of the rotary worktable 1, namely, the rotary worktable 1 rotates in the additive printing process, but an external circulating water tank for continuously supplying cooling liquid to a cooling circuit is fixed and does not rotate along with the rotary worktable 1, so that how to continuously introduce the cooling liquid in the external circulating water tank into the rotating cooling circuit is a very troublesome technical problem.

Wherein, referring to fig. 2 to 6, the rotary sealing shaft comprises a shaft core 5 and a shaft sleeve 6, the shaft core 5 is rotatably arranged in the shaft sleeve 6, the top of the shaft core 5 is fixedly connected with the rotary worktable 1, the bottom of the shaft core 5 is fixedly connected with the base 2, the fixing mode can adopt a bolt fixing mode, the outer wall of the shaft core 5 is provided with an annular liquid inlet groove 7 and an annular liquid outlet groove 8 which surround the shaft core 5, the axial direction of the shaft core 5 is provided with a liquid inlet channel 9 and a liquid outlet channel 10, the liquid inlet channel 9 is communicated with the annular liquid inlet groove 7, the liquid outlet channel 10 is communicated with the annular liquid outlet groove 8, the liquid inlet channel 9 is communicated with the liquid outlet channel 10 through a cooling circuit, a cooling liquid inlet 3 is arranged on the shaft sleeve 6 and is communicated with the annular liquid inlet groove 7, a cooling liquid outlet 4 is arranged on the shaft sleeve 6 and is communicated with the annular liquid outlet groove 8, the shaft core 5 and the shaft sleeve 6 which can realize relative sealing rotation by design, the coolant liquid enters into annular feed liquor groove 7 around 5 outer walls of axle core behind axle sleeve 6, through the form of circling 5 outer walls of axle core to the feed liquor groove design, make axle core 5 no matter how rotatory, feed liquor channel 9 all can be linked together with coolant liquid import 3, so can realize the purpose that the coolant liquid passes through the mechanism of transport to the mechanism of rotary motion going from the stationary mechanism, and then solved the coolant liquid in the external circulation water tank continuous let in the technical problem in the cooling circuit in the rotation, equally, annular liquid outlet tank 8 has also solved the continuous discharge of coolant liquid in the external circulation water tank on the swivel work head 1 in the rotatory motion. The shaft core 5 and the shaft sleeve 6 which are sealed and rotatable with each other, and the annular liquid inlet groove 7 and the annular liquid outlet groove 8 which surround the outer wall of the shaft core 5 realize the purpose of stably inputting or outputting cooling liquid to the cooling loop.

Referring to fig. 3, 5 and 9, a plurality of sealing ring grooves 11 surrounding the outer wall of the shaft core 5 are arranged between the annular liquid inlet groove 7 and the annular liquid outlet groove 8, and the sealing ring grooves 11 are provided with annular sealing rings 12, wherein the sealing ring grooves 11 are respectively arranged on the upper side and the lower side of the annular liquid inlet groove 7 and on the upper side and the lower side of the annular liquid outlet groove 8, so that the liquid inlet space of the corresponding annular liquid inlet groove 7 and the liquid outlet space of the annular liquid outlet groove 8 are sealed, the problem of leakage of cooling liquid is avoided, and the purpose of ensuring the cooling efficiency is achieved.

As a preferable mode of the present embodiment, referring to fig. 1, 2, 3 and 5, the shaft sleeve 6 is provided with an overflow port 14 at the bottom thereof, the overflow port 14 communicates with the gap between the outer wall of the shaft core 5 and the inner wall of the shaft sleeve 6, the overflow port 14 is designed to perform the function of draining the leaked coolant, and particularly, a seal ring groove 11 is provided at the bottom of the shaft core 5 below the overflow port 14, and an annular seal ring 12 is mounted on the seal ring groove 11, so that the function of preventing the coolant from leaking out from the bottom of the shaft core 5 can be performed.

Referring to fig. 7 and 8, the cooling circuit includes a first cooling circuit 15 and a second cooling circuit 16, a first inlet 17, a first outlet 18, a second inlet 19 and a second outlet 20 are provided at the bottom of the rotary table 1, the first inlet 17 and the first outlet 18 are respectively communicated with two ends of the first cooling circuit 15, the second inlet 19 and the second outlet 20 are respectively communicated with two ends of the second cooling circuit 16, the first inlet 17 and the second inlet 19 are both communicated with the liquid inlet channel 9, and the first outlet 18 and the second outlet 20 are both communicated with the liquid outlet channel 10.

In this embodiment, the annular liquid inlet grooves 7 are designed with two, that is, a first annular liquid inlet groove 21 and a second annular liquid inlet groove 22, and correspondingly, two corresponding liquid inlet channels 9 and two corresponding coolant inlets 3 are also respectively designed, that is, a first liquid inlet channel 23 communicating with the first annular liquid inlet groove 21 and a second liquid inlet channel 24 communicating with the second annular liquid inlet groove 22, and a first coolant inlet 25 communicating with the first annular liquid inlet groove 21 and a second coolant inlet 26 communicating with the second annular liquid inlet groove 22, wherein the first liquid inlet channel 23 communicates with the first inlet 17, the second liquid inlet channel 24 communicates with the second inlet 19, and the sealing ring grooves 11 are respectively formed on the upper and lower sides of the corresponding first annular liquid inlet groove 21 and the corresponding second annular liquid inlet groove 22, so as to achieve the purpose of sealing the corresponding liquid inlet spaces.

Preferably, referring to fig. 8, the first cooling circuit 15 and the second cooling circuit 16 are both U-shaped or S-shaped and symmetrically arranged on the rotary table 1, which can expand the contact area for heat exchange and improve the heat exchange efficiency.

Referring to fig. 1, 7 and 8, a first tandem inlet 27 and a first tandem outlet 28 both extending to the side wall of the rotary table 1 are provided on the first cooling circuit 15, the first tandem inlet 27 is communicated with the first tandem outlet 28 through a first detachable tandem hose 29, a second tandem inlet 30 and a second tandem outlet 31 both extending to the side wall of the rotary table 1 are provided on the second cooling circuit 16, the second tandem inlet 30 is communicated with the second tandem outlet 31 through a second detachable tandem hose 32, which is convenient for externally connecting other cooling devices, so as to further achieve the purpose of improving the cooling efficiency.

The working principle is as follows: when a cooling process is carried out, the cooling liquid inlet 3 is communicated with a liquid inlet pipeline of an external circulating water tank, the cooling liquid outlet 4 is communicated with a liquid return pipeline of the external circulating water tank, under the driving action of an external rotary driving part, the base 2 drives the shaft core 5 and the rotary workbench 1 to rotate, the shaft core 5 and the shaft sleeve 6 can rotate relatively, at the moment, the shaft sleeve 6 can be relatively fixed under the limitation of the liquid inlet pipeline and the liquid return pipeline, cooling liquid enters the annular liquid inlet groove 7 between the shaft sleeve 6 and the shaft core 5 through the cooling liquid inlet 3, then enters the liquid inlet channel 9, then flows into the cooling circuit to carry out heat exchange with the rotary workbench 1, enters the annular liquid outlet groove 8 through the liquid outlet 10 after the heat exchange is finished, and then flows back to the external circulating water tank through the cooling liquid outlet 4 to carry out cooling, and therefore the non-contact type cooling process of workpieces is finished.

The beneficial effects of this embodiment: the cooling liquid enters the cooling loop through the cooling liquid inlet and exchanges heat with the rotary worktable, so that the temperature of the rotary worktable can be reduced, and further the purpose of cooling a workpiece in a non-contact manner is achieved, the process performance of the workpiece is guaranteed, the cooling liquid after heat exchange flows back to the external circulating water tank through the cooling liquid outlet to be cooled, and is pumped into the cooling loop through the cooling liquid inlet after being cooled, so that the purpose of circulating cooling is achieved, the purpose of controlling the temperature reduction speed of the workpiece can be achieved by controlling the flow and the temperature of the cooling liquid in the cooling loop, the shaft core and the shaft sleeve are sealed and rotatable with each other, and the annular liquid inlet groove and the annular liquid outlet groove surround the outer wall of the shaft core, so that the purpose of stably inputting or outputting the cooling liquid to the cooling loop is achieved.

Example 2

This example is the same as example 1 except that: referring to fig. 10, the wall-attached cooling device is further included, the wall-attached cooling device includes a liquid inlet pipe 33, a liquid outlet pipe 34, a thin steel strip 35 and a plurality of heat dissipation copper blocks 36 tightly attached to the outer side wall of a workpiece 41, the plurality of heat dissipation copper blocks 36 are fixedly mounted on the thin steel strip 35 through screws, referring to fig. 11 and 12, the heat dissipation copper blocks 36 are provided with cooling channels 37 for cooling liquid to flow through, one end of the liquid inlet pipe 33 is communicated with an inlet of the cooling channels 37, the other end of the liquid inlet pipe 33 is communicated with a first serial inlet 27 or a second serial inlet 30, one end of the liquid outlet pipe 34 is communicated with an outlet of the cooling channels 37, the other end of the liquid outlet pipe 34 is connected with a first serial outlet 28 or a second serial outlet 31, the thin steel strip 35 has flexibility due to its small thickness, is easy to bend, and plays a role of conveniently wrapping and fixing the heat dissipation copper blocks 36 on the outer, the first serial inlet 27 or the second serial inlet 30 realizes the purpose of serial adherent cooling, the adherent cooling device realizes the purpose of cooling the outer side wall of the workpiece 41, the effect of enlarging the cooling heat exchange area is achieved, the heat dissipation and cooling efficiency is further improved, the cooling liquid cannot contact with the surface of the workpiece 41 in the cooling process, and the effect of effectively protecting the metal performance of the workpiece 41 is also achieved.

Referring to fig. 10, a plurality of cooling channels 37 are sequentially connected end to end through hoses 38, the cooling channels 37 are communicated in a series connection mode, the structure is simple, the installation is convenient, the two ends of the thin steel strip 35 are respectively provided with a connecting head 39, the two connecting heads 39 are respectively provided with a bolt hole for connecting a bolt, the connecting heads 39 are designed at the two ends of the thin steel strip 35, so that the thin steel strip 35 has a modularized function, when the circumference of the outer side wall of a workpiece 41 is too long, a plurality of thin steel strips 35 can be connected in series, and the adaptability of the adherence cooling device is improved.

Preferably, the system further comprises a thermocouple 40 electrically connected with a monitoring system of the external additive equipment, and the thermocouple 40 is installed on the heat dissipation copper block 36 or the rotary workbench 1, wherein the external monitoring system is a monitoring system of the additive printing equipment itself, and the thermocouple 40 plays a role in detecting the surface temperature of the heat dissipation copper block 36 or the rotary workbench 1 in real time, so that the temperature and the flow rate of the cooling liquid can be controlled according to the real-time temperature, and the purpose of intelligent automation can be achieved.

Before use, the thin steel strip 35 is used for fixing the heat dissipation copper block 36 tightly on the outer surface of the workpiece 41, then the first serial hose 29 is detached, the liquid inlet pipe 33 is connected into the first serial inlet 27, and the liquid outlet pipe 34 is connected into the first serial outlet 28, so that the purpose of cooling the surface of the workpiece 41 can be achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an increase material swivel work head with circulative cooling function, its characterized in that, including swivel work head, rotary seal axle and the base of being connected with outside rotary drive equipment, rotary seal axle top is connected swivel work head, rotary seal axle bottom is connected the base, be equipped with the cooling circuit that supplies coolant liquid to flow on the swivel work head, the epaxial coolant liquid import and the coolant liquid export of being equipped with of rotary seal, the coolant liquid import is passed through the cooling circuit intercommunication the coolant liquid export.

2. The additive rotating table with a circulating cooling function according to claim 1, it is characterized in that the rotary sealing shaft comprises a shaft core and a shaft sleeve, the shaft core is rotatably arranged in the shaft sleeve, the top of the shaft core is fixedly connected with the rotary worktable, the bottom of the shaft core is fixedly connected with the base, the outer wall of the shaft core is provided with an annular liquid inlet groove and an annular liquid outlet groove which surround the shaft core, the axial direction of the shaft core is provided with a liquid inlet channel and a liquid outlet channel, the liquid inlet channel is communicated with the annular liquid inlet groove, the liquid outlet channel is communicated with the annular liquid outlet groove, the inlet channel passes through cooling circuit intercommunication liquid outlet channel, the coolant liquid import is established just intercommunication on the axle sleeve annular feed liquor groove, the coolant liquid export is established just intercommunication on the axle sleeve annular liquid groove.

3. The material-adding rotary workbench with the circulating cooling function as recited in claim 2, wherein a sealing ring groove surrounding the outer wall of the shaft core is arranged between the annular liquid inlet groove and the annular liquid outlet groove, and an annular sealing ring is arranged on the sealing ring groove.

4. The material-adding rotary table with the circulating cooling function according to any one of claims 2 or 3, wherein an overflow port is formed in the bottom of the shaft sleeve and is communicated with a gap between the outer wall of the shaft core and the inner wall of the shaft sleeve.

5. The material-increasing rotary table with the circulating cooling function according to claim 2 or 3, wherein the cooling circuit comprises a first cooling circuit and a second cooling circuit, a first inlet, a first outlet, a second inlet and a second outlet are arranged at the bottom of the rotary table, the first inlet and the first outlet are respectively communicated with two ends of the first cooling circuit, the second inlet and the second outlet are respectively communicated with two ends of the second cooling circuit, the first inlet and the second inlet are both communicated with the liquid inlet channel, and the first outlet and the second outlet are both communicated with the liquid outlet channel.

6. The material-adding rotary workbench with the circulating cooling function according to claim 5, wherein the first cooling circuit and the second cooling circuit are both U-shaped or S-shaped and are symmetrically arranged on the rotary workbench.

7. The material-adding rotary workbench with the circulating cooling function according to claim 5, wherein a first serial inlet and a first serial outlet both extending to the side wall of the rotary workbench are provided on the first cooling circuit, the first serial inlet is communicated with the first serial outlet through a first detachable serial hose, a second serial inlet and a second serial outlet both extending to the side wall of the rotary workbench are provided on the second cooling circuit, and the second serial inlet is communicated with the second serial outlet through a second detachable serial hose.

8. The material-increasing rotary table with the circulating cooling function according to claim 7, further comprising an adherence cooling device, wherein the adherence cooling device comprises a liquid inlet pipe, a liquid outlet pipe, a thin steel strip and a plurality of heat-dissipating copper blocks tightly attached to the outer side wall of the workpiece, the plurality of heat-dissipating copper blocks are fixedly mounted on the thin steel strip through screws, each heat-dissipating copper block is provided with a cooling channel for cooling liquid to flow through, one end of the liquid inlet pipe is communicated with an inlet of the cooling channel, the other end of the liquid inlet pipe is communicated with the first serial inlet or the second serial inlet, one end of the liquid outlet pipe is communicated with an outlet of the cooling channel, and the other end of the liquid outlet pipe is connected with the first serial outlet or the second serial outlet.

9. The material-adding rotary workbench with the circulating cooling function according to claim 8, wherein the cooling channels are sequentially connected end to end through hoses, two ends of the thin steel strip are provided with connecting heads, and two connecting heads are provided with bolt holes for connecting bolts.

10. The additive rotating table with the circulating cooling function according to claim 8 or 9, further comprising a thermocouple electrically connected with a monitoring system of external additive equipment, wherein the thermocouple is installed on the heat dissipation copper block or the rotating table.