CN218746570U - Hydraulic equal division combined rotary table special for combined drilling machine tool - Google Patents

Abstract

The utility model relates to a machine tool structure technical field, in particular to dedicated hydraulic pressure partition combination revolving stage of combination drill machine tool, including five partition hydraulic rotary worktable, evenly be equipped with five trisection hydraulic rotary worktable along circumference on the five partition hydraulic rotary worktable, all be equipped with work piece holder on every trisection hydraulic rotary worktable, wherein, the centre of five partition hydraulic rotary worktable is provided with the distribution oil subassembly, the distribution oil subassembly is used for defeated station switching to every trisection hydraulic rotary worktable of accomplishing of hydraulic oil, 5 trisection hydraulic rotary worktable all work links in the processing promptly, can realize in step that the self-holding of work piece loosens and the revolving stage loosen, stop tightly and the transposition, thereby make the efficiency of whole manufacturing procedure will improve greatly.

Description

Hydraulic equal division combined rotary table special for combined drilling machine tool

Technical Field

The utility model relates to a machine tool technical field, in particular to dedicated hydraulic pressure partition combination revolving stage of combination drilling machine tool.

Background

When a part is machined by a plurality of working procedures, the part is firstly machined on different machine tools, so that the labor is greatly wasted, and later, a special machine tool appears, at the moment, the working procedures of the part can be completed on the same machine tool, so that the production efficiency is greatly improved, and correspondingly, a matched machine tool accessory product, namely a numerical control equal division rotary table, appears.

The numerically controlled equal division turntable is one hydraulic mechanical dividing apparatus designed for special machine tool, and has hydraulic oil cylinder to loosen, brake and shift the turntable, so that the turntable can complete fixed angle rotation under the control of the main machine system to complete the machining of the parts.

The existing Chinese utility model patent CN208322670U is a groove milling and drilling combined machine tool, which mainly comprises a machine body and a large hydraulic rotary table arranged on the machine body, wherein five trisection hydraulic rotary tables are uniformly arranged on the large hydraulic rotary table along the circumferential direction, each trisection hydraulic rotary table is provided with a workpiece clamp, a first driving mechanism drives the large hydraulic rotary table to rotate around the axis of the large hydraulic rotary table, the large hydraulic rotary table rotates 72 degrees at each time under the action of the first driving mechanism, a second driving mechanism for driving each trisection hydraulic rotary table to rotate 120 degrees in a stepping manner around the axis of the large hydraulic rotary table is arranged on the large hydraulic rotary table, wherein the workpiece clamp comprises a clamp body, a corner oil cylinder arranged on the clamp body and a positioning pin arranged on the clamp body, the clamp body is fixed on the trisection hydraulic rotary table through a bolt, the corner oil cylinder provides hydraulic oil through the trisection hydraulic rotary table, the existing corner oil cylinder can be used for clamping and loosening workpieces, the corner oil cylinder is also called as a rotary station oil cylinder, and the large hydraulic rotary table is a five trisection hydraulic rotary table.

However, the milling groove and drilling combined machine tool needs to install workpieces one by one for machining, the large hydraulic rotary worktable rotates by 72 degrees every time, and the trisection hydraulic rotary worktable only completes one station, so that when the hydraulic station controls the trisection hydraulic rotary worktable to rotate, the trisection hydraulic rotary worktable cannot synchronously perform stations such as loosening, braking, transposition and resetting or clamping and loosening of a workpiece clamp.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect and not enough that exist among the prior art, for this reason the utility model provides a dedicated hydraulic pressure partition combination revolving stage of combination drilling machine tool can realize that five trisection hydraulic rotary working tables carry out station synchronous switch.

In order to realize above-mentioned purpose, the utility model provides a dedicated hydraulic pressure partition combination revolving stage of combination drilling machine tool, including five partition hydraulic rotary table, evenly be equipped with five trisection hydraulic rotary table along circumference on the five partition hydraulic rotary table, all be equipped with work piece holder on every trisection hydraulic rotary table, the centre of five partition hydraulic rotary table is provided with the distribution oil subassembly, the distribution oil subassembly is used for transmitting hydraulic oil to every the trisection hydraulic rotary table accomplishes the station and switches, 5 trisection hydraulic rotary table loosen in step, stop tightly, transposition or reset promptly to and the clamp of work piece holder or loosen.

Further, the oil distribution assembly comprises an oil through shaft vertically bolted to the bottom of the five-part hydraulic rotary table through an oil distribution disc; the top of the oil through shaft is vertically bolted with an oil distribution shaft; the oil distribution shaft is sleeved with an oil distributor in a sealing and rotating manner, and the oil distributor is bolted to the top end of the five-equal-part hydraulic rotary worktable; the oil distributor is provided with an oil distribution hole, the oil distribution hole is communicated through an oil duct system in the oil distribution shaft, and the oil duct system is communicated with the oil distribution disc.

Further, the oil gallery system includes 8 independent oil galleries; the oil separator is of a 6-layer structure, and each layer is provided with five oil distribution holes; when the oil distributor rotates around the oil distribution shaft to switch the stations of the trisection hydraulic rotary worktable, the oil distributor is provided with corresponding oil distribution holes communicated with the corresponding oil passages.

Furthermore, the five-equal-part hydraulic rotary table comprises a bed body and a brake loosening mechanism, a main shaft driven to rotate by a driving mechanism is arranged in the middle of the bed body, the main shaft is sleeved on the oil through shaft, and the main shaft is in key connection with the rotary table through a key and drives the rotary table to rotate; the key bolt is connected to the circumference of the main shaft;

the brake tightening and loosening mechanism comprises an upper end fluted disc A and a lower end fluted disc A which are meshed with each other and a plurality of hydraulic cylinders A which are uniformly distributed and bolted on the rotary table; the upper end fluted disc A is fastened at the lower end of the top of the main shaft; the lower end fluted disc A comprises an inner fluted disc and an outer fluted disc, the inner fluted disc is bolted on the lathe bed, the outer fluted disc is bolted on the bottom of the rotary table, and the outer fluted disc can rotate relative to the inner fluted disc; a piston rod on the hydraulic cylinder A vertically penetrates through the inner fluted disc in a sliding manner and is fixedly connected with the upper end fluted disc A;

the lower end of the top of the main shaft is further bolted with an annular pressure plate, a bulge is arranged on the inner diameter of the upper end fluted disc A, and the bulge is embedded between the pressure plate and the main shaft; a plane bearing A is arranged between the main shaft and the upper end fluted disc A; the spindle is rotatable relative to the upper end toothed disc a.

Furthermore, the driving mechanism comprises an end fluted disc clutch and a rack driven by a hydraulic cylinder B, the end fluted disc clutch comprises an upper fluted disc B and a lower fluted disc B which are meshed with each other, the lower fluted disc B is bolted to the bottom of the main shaft, and the circumference of the upper fluted disc B is provided with teeth meshed with the rack; and the upper end and the lower end of the upper end fluted disc B are rotatably connected with the lathe bed through a plane bearing B.

Furthermore, the bottom of the lathe bed is in bolted connection with an annular supporting plate, and a plane bearing B at the lower end of the upper end fluted disc B is installed on the supporting plate.

Further, the driving mechanism further comprises a proximity switch A, and the proximity switch A is arranged on the bed body; the proximity switch A is triggered by the end of the rack.

Furthermore, the five-equal-part hydraulic rotary table also comprises a transposition control assembly; the transposition control assembly comprises a guide rod, a proximity switch B and a spring sleeve, and the spring sleeve is bolted to the bed body; the guide rod sequentially penetrates through the spring sleeve and the inner fluted disc in a sliding mode and is in contact with the upper end fluted disc A; the bottom of the guide rod is provided with an induction block for triggering the proximity switch B; the proximity switch B is fixed on the bed body through a bracket; a compressible spring is arranged between the spring sleeve and the guide rod.

Further, the trisection hydraulic rotary table and the quinacrude hydraulic rotary table have the same structure.

Compared with the prior art, the beneficial effects of the utility model are that: through the arrangement of the oil distribution assembly, after the five-equal-division hydraulic rotary working table rotates by 72 degrees, the five-equal-division hydraulic rotary working table can realize synchronous station switching, the working efficiency is improved, and meanwhile, the whole structure is compact in design, and the space is saved.

Drawings

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

Fig. 2 is a schematic view of the connection between the main shaft and the rotary table of the present invention.

Fig. 3 is a schematic structural view of the indexing control assembly of the present invention.

Fig. 4 is a partial front view of the oil distributor of the present invention.

Fig. 5 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 4.

Fig. 6 is a sectional view taken along line B-B in fig. 4.

Fig. 7 is a cross-sectional view taken along line C-C of fig. 4.

Fig. 8 is a cross-sectional view taken along line D-D in fig. 4.

Fig. 9 is a cross-sectional view E-E of fig. 4.

Fig. 10 is a sectional view F-F in fig. 4.

Wherein: 1. five equal parts of a hydraulic rotary worktable; 2. trisection hydraulic rotary working table; 3. an oil distribution assembly; 4. a transposition control assembly; 11. a bed body; 12. a turntable; 13. a lower end fluted disc A; 14. an upper end fluted disc A; 15. a main shaft; 16. a drive mechanism; 17. a hydraulic cylinder A; 18. a key; 19. pressing a plate; 31. an oil distribution shaft; 32. an oil separator; 33. an oil through shaft; 34. an oil distribution disc; 41. a support; 42. a proximity switch B; 43. an induction block; 44. a guide bar; 45. a spring; 46. a spring sleeve; 161. a hydraulic cylinder B; 162. a rack; 163. an upper end fluted disc B; 164. a lower end fluted disc B; 165. a support plate; 311. a first oil passage; 312. a second oil passage; 313. a third oil passage; 314. a fourth oil passage; 315. a fifth oil passage; 316. a sixth oil passage; 317. a seventh oil passage; 318. and an eighth oil passage.

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 all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Examples

Please refer to fig. 1 to 10, the utility model provides a dedicated hydraulic pressure partition combination revolving stage of combination drill machine tool, including five partition hydraulic pressure rotary table 1, evenly be equipped with five trisection hydraulic pressure rotary table 2 along circumference on the five partition hydraulic pressure rotary table 1, all be equipped with work piece holder on every trisection hydraulic pressure rotary table 2, wherein, the centre of five partition hydraulic pressure rotary table 1 is provided with the oil distribution subassembly 3, the oil distribution subassembly 3 is used for transporting hydraulic oil to every trisection hydraulic pressure rotary table 2 and accomplishes the station switching, all working links of 5 trisection hydraulic pressure rotary table 2 in the processing promptly, can realize the self-holding of work piece and loosen, the tight and transposition of stopping of revolving stage in step, thereby make the efficiency of whole manufacturing procedure will improve greatly.

Preferably, the oil distribution assembly 3 comprises an oil passing shaft 33, the oil passing shaft 33 is vertically bolted on the bottom of the five-equal-part hydraulic rotary table 1 through an oil distribution disc 34; the top of the illustrated oil passing shaft 33 is vertically bolted with an oil distributing shaft 31; the oil distribution shaft 31 is sleeved with an oil separator 32 in a sealing and rotating manner, and the oil separator 32 is bolted to the top end of the five-equal-part hydraulic rotary worktable 1; the oil distributor 32 is provided with oil distribution holes which are communicated through an oil duct system inside the oil distribution shaft 31, and the oil duct system is communicated with an oil distribution disc 34.

Preferably, the oil gallery system includes 8 independent oil galleries; the oil separator 32 has a 6-layer structure, and each layer is provided with five oil distribution holes; when the oil distributor 32 rotates around the oil distribution shaft 31 to switch the three equal parts of the stations of the hydraulic rotary table 2, the oil distributor 32 is provided with corresponding oil distribution holes communicated with corresponding oil passages. As shown in fig. 5-10, each layer corresponds to a station.

Specifically, as shown in fig. 5, the 8 independent oil passages include a first oil passage 311, a second oil passage 312, a third oil passage 313, a fourth oil passage 314, a fifth oil passage 315, a sixth oil passage 316, a seventh oil passage 317, and an eighth oil passage 318. The first oil duct 311 and the second oil duct 312 are respectively filled with high-pressure oil, are used for trisecting the indexing oil duct of the hydraulic rotary table 2, and return oil through other oil ducts; high-pressure oil is respectively introduced into the third oil channel 313 and the fourth oil channel 314, the third oil channel is a brake loosening oil channel for trisecting the hydraulic rotary table 2, and oil return is carried out through other oil channels; high-pressure oil is respectively introduced into the fifth oil duct 315 and the eighth oil duct 318, and the fifth oil duct and the eighth oil duct are respectively a brake loosening oil duct which trisects the workpiece clamp on the hydraulic rotary table 2 and return oil through other oil ducts.

The five-equal-division hydraulic rotary worktable 1 and the three-equal-division hydraulic rotary worktable 2 can adopt TK51 series numerical control equal-division rotary tables, for example, the five-equal-division hydraulic rotary worktable 1 can adopt a table top with the diameter of phi 1600mm and the model of TK511600X5-HQ; the trisection hydraulic rotary table can be adopted with the table top diameter of phi 450mm and the model of TK51450X3-HQ. The TK51 series numerical control equal division rotary table belongs to the prior art, and has the characteristics of flexible action, compact structure, high indexing precision, large braking force, simple control and the like.

As an embodiment of the present invention, the five-part hydraulic rotary table 1 includes a bed 11 and a brake releasing mechanism, a main shaft 15 driven to rotate by a driving mechanism 16 is disposed in the middle of the bed 11, the main shaft 15 is sleeved on an oil through shaft 33, the main shaft 15 is connected with a rotary table 12 through a key 18 and drives the rotary table 12 to rotate; the key 18 is bolted to the circumference of the spindle 15. The brake tightening and loosening mechanism comprises an upper end fluted disc A14 and a lower end fluted disc A13 which are meshed with each other, and a plurality of hydraulic cylinders A17 which are uniformly bolted on the rotary table 12; the upper end fluted disc A14 is fastened at the lower end of the top of the main shaft 15; the lower end fluted disc A13 comprises an inner fluted disc and an outer fluted disc, the inner fluted disc is bolted on the lathe bed 11, the outer fluted disc is bolted on the bottom of the rotary table 12, and the outer fluted disc can rotate relative to the inner fluted disc; the piston rod of the hydraulic cylinder A17 vertically slides and penetrates through the inner fluted disc and is fixedly connected with the upper fluted disc A14. The lower end of the top of the main shaft 15 is also bolted with an annular pressure plate 19, and a bulge is arranged on the inner diameter of the upper fluted disc A14 and embedded between the pressure plate 19 and the main shaft 15; a plane bearing A is arranged between the main shaft 15 and the upper end fluted disc A14; the main shaft 15 is rotatable relative to the upper end toothed disc a 14.

Preferably, the number of keys 18 is 4.

Preferably, the driving mechanism 16 includes an end-toothed disc clutch and a rack 162 driven by the hydraulic cylinder B161, the end-toothed disc clutch includes an upper end-toothed disc B163 and a lower end-toothed disc B164 engaged with each other, the lower end-toothed disc B164 is bolted to the bottom of the main shaft 15, and teeth engaged with the rack 162 are arranged on the circumference of the upper end-toothed disc B163; the upper end and the lower end of the upper end fluted disc B163 are rotatably connected with the lathe bed 11 through a plane bearing B.

Preferably, the bottom of the bed 11 is bolted with an annular supporting plate 165, and a plane bearing B at the lower end of an upper end toothed disc B163 is mounted on the supporting plate 165.

Preferably, the driving mechanism 16 further includes a proximity switch a166, the proximity switch a166 being provided on the bed 11; proximity switch a166 is triggered by the end of the rack 162.

Preferably, the five-part hydraulic rotary table 1 further comprises an indexing control assembly 4; the indexing control assembly 4 comprises a guide rod 44, a proximity switch B42 and a spring sleeve 46, wherein the spring sleeve 46 is bolted on the machine body 11; the guide rod 44 sequentially slides through the spring sleeve 46 and the inner fluted disc and contacts the upper fluted disc A14; the bottom of the guide rod 44 is provided with a sensing block 43 for triggering the proximity switch B42; the proximity switch B42 is fixed on the bed body 11 through the bracket 41; a compressible spring 45 is arranged between the spring sleeve 46 and the guide rod 44.

As an embodiment of the present invention, the trisection hydraulic rotary table 2 has the same structure as the five-trisection hydraulic rotary table 1 in the above embodiment. At this time, the oil distribution holes of the oil distributor 32 are connected to the corresponding oil distribution discs of the trisection hydraulic rotary table 2 through pipelines. Therefore, the oil pipeline is arranged at the lower side of the trisection hydraulic rotary worktable 2, and the structural arrangement of the machine tool on the working rotary table is facilitated.

When in use, the proximity switches B42 are arranged in the vertical direction for 2, five equal division of the process of the hydraulic rotary table 1:

an external hydraulic station sends out an indexing signal of a five-equal-division hydraulic rotary workbench 1, a piston rod in a hydraulic cylinder A17 pushes an upper end fluted disc A14 to move upwards, the upper end fluted disc A14 leaves a lower end fluted disc A13, meanwhile, an upper end fluted disc B163 is meshed with a lower end fluted disc B164, at the moment, a guide rod 44 moves upwards under the action of a spring 45, a sensing block 43 triggers a proximity switch B42, the proximity switch B42 sends out a revolving table 12 loosening confirmation signal, the delay is 0.5S, the piston rod in the hydraulic cylinder B161 starts to push a rack 162, the rack 162 drives the upper end fluted disc B163 to revolve, the upper end fluted disc B163 drives the lower end fluted disc B164 to revolve, the lower end fluted disc B164 drives a main shaft 15 to revolve, the main shaft 15 drives the revolving table 12 to revolve relative to the upper end fluted disc A14 through a key 18, an outer fluted disc in the lower end fluted disc A13 rotates relative to an inner fluted disc, an oil through shaft 33 is fixed, so that an oil distribution shaft 31 is fixed, and an oil distributor 32 rotates relative to realize different station switching.

When the end of the rack 162 triggers the proximity switch A166, the proximity switch A166 sends a signal that the rotary table 12 is in place in the indexing way, the time delay is 0.5S, a piston rod in the hydraulic cylinder A17 starts to drive the upper end fluted disc A14 to move downwards, the upper end fluted disc A14 is meshed with the lower end fluted disc A13, the main shaft 15 stops rotating, and the tight braking is realized; meanwhile, the upper end fluted disc B163 is separated from the lower end fluted disc B164, at the moment, the guide rod 44 moves downwards and compresses the spring 45, the induction block 43 triggers the proximity switch B42, the proximity switch B42 sends out a signal for confirming the tight braking of the rotary table 12, the time delay is 0.5S, and the piston rod in the hydraulic cylinder B161 starts to drive the rack 162 to return to the original driving position, so that the reset is realized; this completes one indexing return operation, and rotates the turntable 12 by 72 °.

When in use, the station switching process of the hydraulic rotary worktable 2 is divided into three equal parts:

as shown in fig. 5, the position is an indexing position of the trisection hydraulic rotary table 2, the high-pressure oil enters the corresponding 5 oil distribution holes from the first oil passage 311, and then enters the trisection hydraulic rotary table 2 from the corresponding oil distribution holes to control the corresponding hydraulic cylinders to perform indexing, that is, the trisection hydraulic rotary table 2 rotates 120 °, and finally returns oil through the fifth oil passage 315.

When the five-equal-division hydraulic rotary table 1 rotates by 72 degrees, and the oil separator 32 rotates to the position shown in fig. 6, high-pressure oil enters the corresponding 5 oil distribution holes from the second oil duct 312, enters the three-equal-division hydraulic rotary table 2 from the corresponding oil distribution holes to control the corresponding hydraulic cylinders to drive the racks to return to the original positions, the resetting is completed, and finally, oil is returned through the eighth oil duct 318.

When the oil separator 32 continues to rotate to the position shown in fig. 7, high-pressure oil enters the corresponding 5 oil distribution holes from the third oil passage 313, then enters the trisection hydraulic rotary table 2 from the corresponding oil distribution holes to control the corresponding hydraulic cylinders to loosen the rotary table, and finally returns oil through the fifth oil passage 315.

When the oil separator 32 rotates to the position shown in fig. 8, the high-pressure oil enters the corresponding 5 oil distribution holes from the fourth oil passage 314, enters the trisection hydraulic rotary table 2 through the corresponding oil distribution holes to control the corresponding hydraulic cylinders to perform the turntable braking, and finally returns oil through the seventh oil passage 317.

When the oil separator 32 continues to rotate to the position shown in fig. 9, the high-pressure oil enters the corresponding 5 oil distribution holes from the fifth oil duct 315, enters the trisection hydraulic rotary table 2 through the corresponding oil distribution holes to control the corresponding corner oil cylinders to loosen the workpiece fixture, and finally returns oil through the sixth oil duct 316.

When the oil separator 32 rotates to the position shown in fig. 10, high-pressure oil enters the corresponding 5 oil distribution holes from the eighth oil passage 318, enters the trisection hydraulic rotary table 2 through the corresponding oil distribution holes to control the corresponding corner oil cylinders to clamp the workpiece fixture, and finally returns oil through the seventh oil passage 317.

The process is circulated in such a way, the five-equal-division hydraulic rotary worktable 1 rotates for 72 degrees every time, so that the three-equal-division hydraulic rotary worktable 2 and the workpiece fixtures on the three-equal-division hydraulic rotary worktable can complete one station of synchronous loosening, braking, transposition and resetting of the rotary table and clamping and loosening of the workpiece fixtures.

Adopt the utility model discloses, hydraulic oil is connected to 5 trisection hydraulic rotary worktable 2 of mesa equipartition through oil distribution shaft 31 and oil separator 32 through oil distribution disc 34 bottom 1 trisection hydraulic rotary worktable 2, realize that the transposition of trisection hydraulic rotary worktable 2 resets, the loosening of work piece holder on stopping tight release and the mesa presss from both sides tightly, the work piece holder on trisection hydraulic rotary worktable 2 can not the tight problem of loosening of synchronous clamp when having avoided 1 transposition of trisection hydraulic rotary worktable completely, and work piece material loading and add and to carry out the clamp of work piece separately through oil distribution assembly 3 in man-hour, loosen, very big improvement the efficiency of processing the work piece, the time of processing the work piece has been shortened.

The present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Therefore, the above embodiments of the present invention can be considered only as illustrative of the present invention in any respect. And not as limitations on the scope of the invention, as the claims set forth below point out what is not intended to be the invention, and any changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (8)

1. The hydraulic equant combined rotary table special for the combined drilling machine tool comprises a five-equant hydraulic rotary table (1), wherein five trisection hydraulic rotary tables (2) are uniformly arranged on the five-equant hydraulic rotary table (1) along the circumferential direction, and each trisection hydraulic rotary table is provided with a workpiece clamp, and the hydraulic equant combined rotary table is characterized in that an oil distribution component (3) is arranged in the middle of the five-equant hydraulic rotary table (1), and the oil distribution component (3) is used for conveying hydraulic oil to each trisection hydraulic rotary table (2) to complete station switching;

the oil distribution assembly (3) comprises an oil passing shaft (33), and the oil passing shaft (33) is vertically bolted to the bottom of the five-equal-part hydraulic rotary table (1) through an oil distribution disc (34); the top of the oil through shaft (33) is vertically bolted with an oil distribution shaft (31); the oil distribution shaft (31) is sleeved with an oil distributor (32) in a sealing and rotating manner, and the oil distributor (32) is bolted to the top end of the five-equal-part hydraulic rotary worktable (1); the oil distributor (32) is provided with an oil distribution hole, the oil distribution hole is communicated with an oil channel system inside the oil distribution shaft (31), and the oil channel system is communicated with the oil distribution disc (34).

2. The hydraulic aliquoting combination turret of claim 1, wherein the oil gallery system comprises 8 independent oil galleries; the oil separator (32) is of a 6-layer structure, and each layer is provided with five oil distribution holes; when the oil distributor (32) rotates around the oil distribution shaft (31) to switch the work positions of the trisection hydraulic rotary worktable (2), the oil distributor (32) is provided with corresponding oil distribution holes communicated with the corresponding oil passages.

3. The hydraulic equal-division combined rotary table according to any one of claims 1 to 2, characterized in that the five-division hydraulic rotary table (1) comprises a machine body (11) and a brake release mechanism, a main shaft (15) driven to rotate by a driving mechanism (16) is arranged in the middle of the machine body (11), the main shaft (15) is sleeved on the oil through shaft (33), and the main shaft (15) is connected with the rotary table (12) in a key mode through a key (18) and drives the rotary table (12) to rotate; said key (18) being bolted on the circumference of said spindle (15);

the brake tightening and loosening mechanism comprises an upper fluted disc A (14) and a lower fluted disc A (13) which are meshed with each other and a plurality of hydraulic cylinders A (17) which are uniformly bolted on the rotary table (12); the upper end fluted disc A (14) is fastened at the lower end of the top of the main shaft (15); the lower end fluted disc A (13) comprises an inner fluted disc and an outer fluted disc, the inner fluted disc is bolted on the lathe bed (11), the outer fluted disc is bolted on the bottom of the rotary table (12), and the outer fluted disc can rotate relative to the inner fluted disc; a piston rod on the hydraulic cylinder A (17) vertically penetrates through the inner fluted disc in a sliding manner and is fixedly connected with the upper fluted disc A (14);

an annular pressure plate (19) is further bolted to the lower end of the top of the main shaft (15), a bulge is arranged on the inner diameter of the upper end fluted disc A (14), and the bulge is embedded between the pressure plate (19) and the main shaft (15); a plane bearing A is arranged between the main shaft (15) and the upper fluted disc A (14); the main shaft (15) can rotate relative to the upper fluted disc A (14).

4. The hydraulic equal-division combined rotary table according to claim 3, wherein the driving mechanism (16) comprises an end-toothed disc clutch and a rack (162) driven by a hydraulic cylinder B (161), the end-toothed disc clutch comprises an upper end-toothed disc B (163) and a lower end-toothed disc B (164) which are meshed with each other, the lower end-toothed disc B (164) is bolted to the bottom of the main shaft (15), and teeth meshed with the rack (162) are arranged on the circumference of the upper end-toothed disc B (163); and the upper end and the lower end of the upper end fluted disc B (163) are rotatably connected with the lathe bed (11) through a plane bearing B.

5. The hydraulic equal-division combined turntable according to claim 4, wherein a ring-shaped supporting plate (165) is bolted to the bottom of the lathe bed (11), and a plane bearing B at the lower end of the upper end toothed disc B (163) is mounted on the supporting plate (165).

6. The hydraulic aliquoting combination turret according to claim 4, characterised in that the driving mechanism (16) further comprises a proximity switch A (166), the proximity switch A (166) being provided on the bed (11); the proximity switch A (166) is triggered by the end of the rack (162).

7. Hydraulic aliquoting combination turntable according to claim 6, wherein the five-part hydraulic rotary table (1) further comprises an indexing control assembly (4); the indexing control assembly (4) comprises a guide rod (44), a proximity switch B (42) and a spring sleeve (46), wherein the spring sleeve (46) is bolted on the lathe bed (11); the guide rod (44) sequentially penetrates through the spring sleeve (46) and the inner fluted disc in a sliding mode and is in contact with the upper fluted disc A (14); the bottom of the guide rod (44) is provided with an induction block (43) for triggering the proximity switch B (42); the proximity switch B (42) is fixed on the lathe bed (11) through a bracket (41); a compressible spring (45) is arranged between the spring sleeve (46) and the guide rod (44).

8. Hydraulic equal-division compound turntable according to claim 7, characterized in that the structure of the trisection hydraulic rotary table (2) is the same as that of the quinacrude hydraulic rotary table (1).

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