CN115284024B - Auxiliary supporting structure of turntable - Google Patents
Auxiliary supporting structure of turntable Download PDFInfo
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- CN115284024B CN115284024B CN202210917025.2A CN202210917025A CN115284024B CN 115284024 B CN115284024 B CN 115284024B CN 202210917025 A CN202210917025 A CN 202210917025A CN 115284024 B CN115284024 B CN 115284024B
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- bearing
- auxiliary
- supporting seat
- sealing
- shaft section
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
- B23Q1/5406—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The application relates to an auxiliary supporting structure of a turntable, which comprises a supporting seat, an auxiliary bearing and a connecting rotating shaft; the supporting seat is provided with a bearing mounting hole, the auxiliary bearing is coaxially mounted in the bearing mounting hole of the supporting seat, the hole wall of the bearing mounting hole is provided with a bearing mounting surface for mounting the auxiliary bearing, and one end of the connecting rotating shaft is inserted into the bearing mounting hole and is coaxially connected with the auxiliary bearing. According to the application, the bearing mounting surface for mounting the auxiliary bearing is processed on the hole wall of the bearing mounting hole, so that the auxiliary bearing can be mounted on the supporting seat without the help of the bearing seat, the step of mounting the bearing seat is omitted, the mounting space of the bearing seat is saved, the height of the whole auxiliary supporting structure is reduced, the distance between the auxiliary supporting structure and the turntable is shortened, the workpiece is conveniently conveyed to the turntable by a worker, and the operation difficulty of the worker is reduced.
Description
Technical Field
The application relates to the field of manufacturing of general equipment, in particular to an auxiliary supporting structure of a turntable.
Background
The cradle type five-axis turntable is widely used as irregular and complex part processing equipment due to high flexibility and flexible angle. As shown in fig. 1, the cradle type five-axis turntable comprises a cantilever member 100, a swing member 101, a turntable 102 and an auxiliary support structure 1. The cantilever member 100 is connected with one end of the swinging member 101 and is used for driving the swinging member 101 to drive the turntable 102 to swing reciprocally on a vertical surface, and the turntable 102 rotates on the swinging member 101 along the axis thereof, so that multi-angle continuous processing of complex parts is facilitated. The auxiliary supporting structure 1 is rotatably connected with the swinging member 101 opposite to one end of the cantilever member 100 so as to balance the whole, so that the swinging member 101 can swing like a cradle between the cantilever member 100 and the auxiliary supporting structure 1, and the supporting stability of the swinging member 101 is improved.
Referring to fig. 2, the present auxiliary support structure 1 mainly includes a support base 2, a connection shaft 4, a bearing housing 103, bearings and a sealing member. The bearing pedestal 103 is fixed inside the supporting seat 2, the bearing is installed on the bearing pedestal 103, one end of the connecting rotating shaft 4 is fixedly connected with the swinging piece 101, and the other end of the connecting rotating shaft 4 is coaxially inserted into the bearing and connected with the bearing, so that the connecting rotating shaft 4 can rotate in the supporting seat 2 when swinging along with the swinging piece 101.
When processing a workpiece, a worker needs to stride over the auxiliary supporting structure 1 to place the workpiece on the turntable 102, but the current auxiliary supporting structure 1 is far higher than the turntable 102, so that the worker is blocked when carrying and installing the workpiece on the turntable 102, and the operation difficulty of the worker is increased.
Disclosure of Invention
In order to facilitate a worker to carry a workpiece on a turntable and reduce the operation difficulty of the worker, the application provides an auxiliary supporting structure of the turntable.
The application provides an auxiliary supporting structure of a turntable, which adopts the following technical scheme:
an auxiliary supporting structure of a turntable comprises a supporting seat, an auxiliary bearing and a connecting rotating shaft;
the bearing mounting hole is formed in the supporting seat, the auxiliary bearing is coaxially mounted in the bearing mounting hole of the supporting seat, the bearing mounting surface for mounting the auxiliary bearing is formed in the hole wall of the bearing mounting hole, and one end of the connecting rotating shaft is inserted into the bearing mounting hole and is coaxially connected with the auxiliary bearing.
Through adopting above-mentioned technical scheme, the one end of connecting the pivot is connected with the rocking member of five revolving stages of cradle, and the other end inserts in the bearing mounting hole and is connected with auxiliary bearing for the connecting the pivot when rotating along self axis direction along with rocking member, auxiliary support structure can support the connecting the pivot. The bearing mounting surface for mounting the auxiliary bearing is processed through the hole wall of the bearing mounting hole on the auxiliary supporting structure, so that the auxiliary bearing can be mounted on the supporting seat on the premise of not using a bearing seat, the step of mounting the bearing seat is omitted, the mounting space of the bearing seat is saved, the height of the whole auxiliary supporting structure is reduced, the distance between the auxiliary supporting structure and the turntable is shortened, the workpiece is conveniently carried on the turntable by a worker, and the operation difficulty of the worker is reduced.
Preferably, one end of the auxiliary bearing, which is close to the connecting rotating shaft, is abutted with a limiting ring strip, and a limiting ring groove for installing the limiting ring strip is coaxially formed in the hole wall of the bearing installation hole.
Through adopting above-mentioned technical scheme, during the installation auxiliary bearing, in order to avoid auxiliary bearing to break away from the supporting seat from the drill way department of bearing mounting hole as far as possible, spacing ring strip is located auxiliary bearing and is close to the one end of connecting the pivot in order to carry out spacingly auxiliary bearing, improves auxiliary bearing and supporting seat's connection stability.
Preferably, one end of the auxiliary bearing, which is away from the connecting rotating shaft, is abutted with a limiting baffle ring, and the limiting baffle ring is coaxially arranged on the hole wall of the bearing mounting hole.
Through adopting above-mentioned technical scheme, in order to reduce auxiliary bearing and rock the range in the bearing mounting hole, improve auxiliary bearing and connect the connection stability between the pivot, the spacing baffle ring deviates from the one end butt of connecting the pivot with auxiliary bearing, realizes the effect of carrying out the joint restriction to auxiliary bearing along self axis direction removal through spacing baffle ring strip and spacing baffle ring.
Preferably, the connection rotating shaft comprises a first shaft section, a second shaft section and a third shaft section which are sequentially and coaxially connected and fixed, the first shaft section is coaxially connected with the auxiliary bearing, the second shaft section is positioned between the supporting seat and the swinging piece, the third shaft section is connected with the swinging piece, and the top side of the second shaft section is provided with a height-lowering plane which is flush with the top end of the supporting seat.
Through adopting above-mentioned technical scheme, the connection pivot among the prior art all designs into circular shape echelonment major axis for the processing of being convenient for, can make the top side of connection pivot higher from the height of revolving stage up end like this, is unfavorable for the staff to stride across connection pivot transport work piece.
The connecting rotating shaft is a long shaft fixedly connected with the first shaft section, the second shaft section and the third shaft section, wherein a height-reducing plane is formed on the top side of the second shaft section between the supporting seat and the swinging piece, so that the height of the whole auxiliary supporting structure is conveniently reduced again, the distance between the top of the auxiliary supporting structure and the turntable is shortened again, and a worker can conveniently carry a workpiece; on the other hand, as the connecting rotating shaft is stressed downwards more, the gravity center of the second shaft section is reduced on the premise of ensuring the integral stress intensity of the connecting rotating shaft, the radial section of the whole second shaft section is an up-down asymmetric non-circular section, and when the whole connecting rotating shaft stops rotating, the connecting rotating shaft tends to be in a stable state more easily through the lowering of the height plane, so that the shaking amplitude of the swinging part is reduced.
Preferably, a sealing assembly is arranged between the supporting seat and the second shaft section, and the sealing assembly is used for sealing the bearing mounting hole and simultaneously reducing the height of the supporting seat as much as possible;
the seal assembly includes a labyrinth seal and a rotary seal located on a side of the labyrinth seal adjacent the bearing mounting bore.
Through adopting above-mentioned technical scheme, in order to reduce impurity entering bearing mounting hole in with auxiliary bearing contact, reduce auxiliary bearing's probability of damage, improve auxiliary bearing's life. The sealing structure among the prior art is mostly labyrinth seal, is the echelonment seal of zigzag shape, in order to reach sealed effect, and labyrinth seal is provided with 3 at least, but like this can increase the overall height of supporting seat to be convenient for process labyrinth seal on the one hand, on the other hand increases the processing degree of difficulty to auxiliary support structure, and the structure of labyrinth seal is more complicated, and the processing degree of difficulty is greater.
Therefore, in order to further reduce the overall height of the supporting seat, namely further reduce the number of the top of the supporting seat and the labyrinth seals, the application adopts a mode of combining 1 labyrinth seal and 1 rotary seal to achieve the sealing effect. Compare 3 at least labyrinth seals, 1 labyrinth seals can further reduce whole auxiliary support structure's height, strengthens the leakproofness between second shaft section and the supporting seat through rotary seal spare to reduce impurity entering bearing mounting hole as far as possible in with auxiliary bearing contact, reached sealed effect and reduced the height of supporting seat simultaneously.
Preferably, the labyrinth seal comprises a sealing baffle ring, the sealing baffle ring is fixed on the second shaft section and is coaxially arranged with the first shaft section, and a sealing baffle groove for coaxially inserting and rotating the sealing baffle ring is formed in the supporting seat.
Through adopting above-mentioned technical scheme, when connecting the pivot and inserting the bearing mounting hole and be connected with auxiliary bearing, seal baffle ring inserts and seals and keep off inslot and form 1 labyrinth seal to reduce the quantity that external impurity got into the bearing mounting hole.
Preferably, the rotary sealing element is a rotary sealing ring, a rotary ring groove coaxially arranged with the bearing mounting hole is formed in the supporting seat, and the rotary sealing ring is positioned in the rotary ring groove and abuts against the supporting seat and the second shaft section.
Through adopting above-mentioned technical scheme, when connecting pivot and auxiliary bearing connection, rotary seal supports the tank bottom of tight installation swivel and sealed fender groove to block the impurity that passes labyrinth seal, in order to further block impurity entering bearing mounting hole, seal bearing mounting hole department together through rotary seal and labyrinth structure.
Preferably, the supporting seat comprises a detachably connected installation base and a connecting seat, the connecting seat is positioned on the installation base, and the bearing installation hole is formed in the connecting seat.
Through adopting above-mentioned technical scheme, wholly split the supporting seat, the processing bearing installation face of being convenient for on the one hand reduces the processing degree of difficulty, and on the other hand is convenient for install, installs auxiliary bearing in the second connecting seat and is connected with the connection pivot at first, and the connecting seat is fixed on the installation base at last, only need adjust the position of connecting seat when adjusting the position of supporting seat and auxiliary bearing to the workman installs auxiliary support structure in order to reduce the installation degree of difficulty.
Preferably, the auxiliary bearing is a single-side needle bearing.
By adopting the technical scheme, a double-sided roller bearing is generally adopted in the prior art. Compared with a double-sided ball bearing, the single-sided needle bearing is adopted, and the thickness of the supporting seat is smaller under the condition of ensuring the working performance, so that the overall height of the auxiliary supporting structure is further reduced.
Preferably, a rear access hole coaxially communicated with the bearing mounting hole is formed in one side, away from the bearing mounting hole, of the supporting seat, a sealing rear cover used for covering the rear access hole is detachably connected to the supporting seat, a rear sealing ring is arranged between the sealing rear cover and the supporting seat, and the rear sealing ring abuts against the sealing rear cover and the supporting seat.
By adopting the technical scheme, after the auxiliary supporting structure is connected with the swinging piece, the joint of the connecting rotating shaft and the supporting seat needs to be overhauled regularly. Through sealed back lid, the staff can observe and overhaul the bearing mounting hole under the prerequisite of not dismantling auxiliary support structure and rocking piece at any time in to improve staff's the maintenance degree of difficulty, sealed back lid and back manhole through the back sealing ring, in order to reduce external impurity entering bearing mounting hole as far as possible, thereby protect auxiliary bearing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the bearing mounting surface for mounting the auxiliary bearing is processed on the hole wall of the bearing mounting hole, so that the auxiliary bearing can be mounted on the supporting seat on the premise of not using the bearing seat, the step of mounting the bearing seat is omitted, the mounting space of the bearing seat is saved, the height of the whole auxiliary supporting structure is reduced, the distance between the auxiliary supporting structure and the turntable is shortened, the workpiece is conveniently conveyed to the turntable by a worker, and the operation difficulty of the worker is reduced;
2. the top side of the second shaft section is provided with a height-lowering plane, and the height of the whole auxiliary supporting structure is reduced again, so that the distance between the top of the auxiliary supporting structure and the turntable is shortened again, and the workpiece is convenient for a worker to carry;
3. compare 3 at least labyrinth seals, 1 labyrinth seals can further reduce whole auxiliary support structure's height, strengthens the leakproofness between second shaft section and the supporting seat through rotary seal spare to reduce impurity entering bearing mounting hole as far as possible in with auxiliary bearing contact, reached sealed effect and reduced the height of supporting seat simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of a cradle type five-axis turntable in the background art.
Fig. 2 is a schematic view of the internal structure of the auxiliary support structure in the background art.
FIG. 3 is a schematic view of the connection of the auxiliary supporting structure and the swinging member according to the embodiment of the present application.
Fig. 4 is an exploded schematic view of an auxiliary support structure in an embodiment of the present application.
Fig. 5 is a schematic view illustrating an internal structure of a connection base according to an embodiment of the present application.
FIG. 6 is a schematic illustration of the internal connection of the auxiliary support structure in an embodiment of the present application.
In the figure: 1. an auxiliary support structure; 2. a support base; 21. a mounting base; 22. a connecting seat; 23. bearing mounting holes; 24. a bearing mounting surface; 25. a limit ring groove; 26. sealing the blocking groove; 27. rotating the ring groove; 28. a rear manhole; 3. an auxiliary bearing; 4. the connecting rotating shaft; 41. a first shaft section; 42. a second shaft section; 421. lowering the height plane; 43. a third shaft section; 5. a limiting ring strip; 6. a limit baffle ring; 7. a seal assembly; 71. a labyrinth seal; 711. a sealing baffle ring; 72. rotating the seal; 721. rotating the sealing ring; 8. sealing the rear cover; 9. a rear seal ring; 100. a cantilever member; 101. a swinging member; 102. a turntable; 103. and a bearing seat.
Detailed Description
The application is described in further detail below with reference to fig. 2-6.
The embodiment of the application discloses an auxiliary supporting structure of a turntable. Referring to fig. 3 and 4, the auxiliary support structure 1 includes a support base 2, an auxiliary bearing 3, a connection shaft 4, and a sealing assembly 7.
The supporting seat 2 is provided with a bearing mounting hole 23 which is horizontally arranged, the auxiliary bearing 3 is coaxially arranged in the bearing mounting hole 23 of the supporting seat 2, and as shown in fig. 5, the hole wall of the bearing mounting hole 23 is provided with a bearing mounting surface 24 for mounting the auxiliary bearing 3. The connecting shaft 4 comprises a first shaft section 41, a second shaft section 42 and a third shaft section 43 which are fixedly connected in sequence. The first shaft section 41 is inserted into the bearing mounting hole 23 and is coaxially connected with the auxiliary bearing 3, the second shaft section 42 is positioned between the supporting seat 2 and the swinging member 101, and the third shaft section 43 is used for being connected with the swinging member 101, thereby realizing the connection of the auxiliary supporting structure 1 with the cradle type five-axis turntable. The sealing component 7 is located between the second shaft section 42 and the supporting seat 2 and is used for sealing the bearing mounting hole 23 so as to avoid impurities from entering into contact with the auxiliary bearing 3 from the bearing mounting hole 23 as much as possible, reduce the damage probability of the auxiliary bearing 3 and prolong the service life of the auxiliary bearing 3.
Compared with the prior art shown in fig. 2, the method adopts the mode of firstly installing the bearing seat 103 and then installing the auxiliary bearing 3, and the hole wall of one section of the bearing installation hole 23 is processed into the bearing installation surface 24 which is convenient for installing the bearing, so that the auxiliary bearing 3 is installed on the supporting seat 2 on the premise of not using the bearing seat 103, the installation space of the bearing seat 103 is saved, the height of the whole auxiliary supporting structure 1 is further reduced, the distance between the top end of the auxiliary supporting structure 1 and the turntable 102 is shortened, the workpiece is conveniently conveyed to the turntable 102 by a worker, and the operation difficulty of the worker is reduced.
Referring to fig. 4, since the flatness and machining accuracy are required for machining the bearing mounting surface 24, and the overall size of the support base 2 is large, the machining difficulty is high, and therefore, in order to facilitate machining the bearing mounting surface 24, the support base 2 is divided into two parts, namely, the mounting base 21 and the connection base 22.
Wherein the connecting seat 22 is located above the mounting base 21, and the detachable connection between the connecting seat 22 and the mounting base 21 is realized through bolts. The bearing mounting hole 23 is opened on the connection base 22, thereby facilitating the processing of the bearing mounting hole 23. When the supporting seat 2 is installed, firstly, the installation base 21 is installed, secondly, the connecting seat 22 is placed on the installation base 21 to slide so as to adjust the connection angle between the connecting seat 22 and the connecting rotating shaft 4, and finally, after the installation of the connecting seat 22 and the connecting rotating shaft 4 is completed, the connecting seat 22 is fixed on the installation base 21 so as to be convenient for the connection between the supporting seat 2 and the connecting rotating shaft 4.
Prior art double sided roller bearings are commonly used. The application omits the bearing seat 103 and adopts the unilateral needle bearing, so that the thickness of the supporting seat 2 is smaller compared with that of the bilateral ball bearing under the condition of ensuring the working performance, thereby further reducing the overall height of the auxiliary supporting structure 1.
Referring to fig. 4, the top side of the second shaft section 42 is provided with a lowering plane 421 which is flush with the top end of the supporting seat 2, so that on one hand, the height of the whole auxiliary supporting structure 1 is further reduced, and the distance between the top of the auxiliary supporting structure 1 and the turntable 102 is shortened again, so that a worker can conveniently carry a workpiece; on the other hand, the radial section of the second shaft section 42 is a vertically asymmetric non-circular section, the more the connecting rotating shaft 4 is stressed downwards, the gravity center of the second shaft section 42 is reduced on the premise of ensuring the overall stress intensity of the connecting rotating shaft 4 by the arrangement of the height-reducing plane 421, and when the whole connecting rotating shaft 4 stops rotating, the connecting rotating shaft 4 is enabled to quickly tend to a stable state through the height-reducing plane 421, so that the shaking time of the swinging piece 101 is shortened.
Referring to fig. 5 and 6, the auxiliary bearing 3 is mounted in the bearing mounting hole 23, and the outer peripheral wall of the auxiliary bearing 3 abuts against the bearing mounting surface 24 to limit radial movement of the auxiliary bearing 3. In order to limit the axial movement of the auxiliary bearing 3, so as to reduce the separation of the auxiliary bearing 3 from the bearing mounting hole 23, improve the connection stability of the auxiliary bearing 3 and the supporting seat 2, as shown in fig. 6, one end of the auxiliary bearing 3, which is close to the second shaft section 42, is abutted with a limiting ring strip 5, one end of the auxiliary bearing 3, which is away from the second shaft section 42, is abutted with a limiting stop ring 6, and both the limiting ring strip 5 and the limiting stop ring 6 are connected with the hole wall of the bearing mounting hole 23, thereby realizing the axial limiting of the auxiliary bearing 3.
The hole wall of the bearing mounting hole 23 is provided with a limiting ring groove 25 for mounting the limiting ring strip 5, and the limiting ring groove 25 and the bearing mounting hole 23 are coaxially arranged. After the auxiliary bearing 3 is installed, the limiting ring strip 5 is installed, so that the peripheral wall of the limiting ring strip 5 is abutted with the auxiliary bearing 3, and the auxiliary bearing 3 is prevented from moving along the direction close to the second shaft section 42 to the greatest extent.
In addition, the spacing baffle ring 6 is coaxially fixed on the hole wall of the bearing mounting hole 23, when the auxiliary bearing 3 is mounted, the auxiliary bearing 3 moves along the direction close to the spacing baffle ring 6 until being abutted with the end face of the spacing baffle ring 6, the spacing baffle ring 6 and the whole connecting seat 22 are unified and integrated, so that the connection strength of the connecting seat 22 and the spacing baffle ring 6 is improved, and the processing difficulty of the connecting seat 22 is low.
As shown in fig. 2, most of the sealing elements in the prior art are labyrinth seals, i.e., stepped seals in zigzag shape, and at least 3 labyrinth elements are provided to achieve the sealing effect. However, on the one hand, to facilitate the processing of the labyrinth seal, the overall height of the support seat 2 is increased; on the other hand, the more complicated the labyrinth seal structure is, the greater the processing difficulty is, so that the processing difficulty of the auxiliary support structure 1 is increased.
Therefore, in order to further reduce the distance between the top of the support base 2 and the turntable 102. Referring to fig. 4 and 5, the seal assembly 7 of the present application includes 1 labyrinth seal 71 and 1 rotary seal 72. The 1-way labyrinth seal 71 enables a further reduction in the height of the overall auxiliary support structure 1. The 1-way rotary seal 72 and the 1-way labyrinth seal 71 are combined to ensure the sealing quality of the seal assembly 7.
In order to maximize the utilization of the rotary seal 72 and the labyrinth seal 71, the rotary seal 72 is located on the side of the labyrinth seal 71 that is adjacent to the bearing mounting hole 23. The impurities are initially blocked by the labyrinth seal 71, and a small amount of impurities passing through the labyrinth seal 71 are finally blocked by the rotary seal 72.
As shown in fig. 5 and 6, the labyrinth seal 71 includes a seal retaining ring 711 fixed to an end surface of the second shaft section 42 facing the support base 2, and the support base 2 is provided with a seal retaining groove 26 for inserting and rotating the seal retaining ring 711, and the seal retaining groove 26 is coaxially disposed with the bearing mounting hole 23, thereby sealing around the bearing mounting hole 23.
In addition, as shown in fig. 5 and 6, the rotary seal member 72 is a rotary seal ring 721, the supporting seat 2 is provided with a rotary ring groove 27 coaxially arranged with the bearing mounting hole 23, the rotary seal ring 721 is positioned in the rotary ring groove 27, and the rotary seal ring 721 abuts against the supporting seat 2 and the second shaft section 42, so that gaps among the supporting seat 2, the rotary seal ring 721 and the second shaft section 42 are reduced as much as possible, and the probability of impurities entering the bearing mounting hole 23 is reduced.
After the auxiliary supporting structure 1 is connected with the swinging member 101, the joint of the connecting rotating shaft 4 and the supporting seat 2 needs to be overhauled and maintained regularly, and referring to fig. 5 and 6, a rear overhauling hole 28 is formed in one side, away from the bearing mounting hole 23, of the supporting seat 2, and the rear overhauling hole 28 is coaxially communicated with the bearing mounting hole 23, so that a worker overhauls on the premise of not disassembling the connecting rotating shaft 4 and the supporting seat 2.
In order to seal the rear access hole 28 so as to reduce the probability of impurities entering the bearing mounting hole 23, the rear access hole 28 is covered with a sealed rear cover 8, the sealed rear cover 8 is connected with the supporting seat 2 through bolts, a rear sealing ring 9 is arranged between the sealed rear cover 8 and the supporting seat 2, and the rear sealing ring 9 and the rear access hole 28 are coaxially arranged and abutted against the supporting seat 2 and the sealed rear cover 8 so as to reduce the probability of impurities entering the rear access hole 28 and realize the sealing of the bearing mounting hole 23.
The implementation principle of the auxiliary supporting structure of the turntable provided by the embodiment of the application is as follows: when the auxiliary supporting structure 1 of the turntable 102 is installed, firstly, the installation base 21 is installed, secondly, the auxiliary bearing 3, the limiting ring strip 5 and the rotary sealing ring 721 are sequentially placed in the bearing installation hole 23, then the connecting seat 22 is placed on the installation base 21 and connected with the connecting rotating shaft 4 until the first shaft section 41 is connected with the auxiliary bearing 3, the rotary sealing ring 721 abuts against the second shaft section 42, secondly, the connecting seat 22 is connected with the installation base 21 through bolts, and finally, the sealing rear cover 8 is installed on the supporting seat 2, so that the height of the whole auxiliary supporting structure 1 is finally reduced, the distance between the auxiliary supporting structure 1 and the turntable 102 is shortened, a worker can conveniently transport workpieces on the turntable 102, and the operation difficulty of the worker is reduced.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. The utility model provides a revolving stage auxiliary stay structure which characterized in that: comprises a supporting seat (2), an auxiliary bearing (3) and a connecting rotating shaft (4);
the bearing mounting hole (23) is formed in the supporting seat (2), the auxiliary bearing (3) is coaxially mounted in the bearing mounting hole (23) of the supporting seat (2), a bearing mounting surface (24) for mounting the auxiliary bearing (3) is formed in the hole wall of the bearing mounting hole (23), and one end of the connecting rotating shaft (4) is inserted into the bearing mounting hole (23) and is coaxially connected with the auxiliary bearing (3);
the connecting rotating shaft (4) comprises a first shaft section (41), a second shaft section (42) and a third shaft section (43) which are sequentially and coaxially connected and fixed, the first shaft section (41) is coaxially connected with the auxiliary bearing (3), the second shaft section (42) is positioned between the supporting seat (2) and the swinging piece (101), the third shaft section (43) is connected with the swinging piece (101), and a height-lowering plane (421) which is flush with the top end of the supporting seat (2) is formed on the top side of the second shaft section (42);
the auxiliary bearing (3) is a unilateral needle bearing;
a sealing assembly (7) is arranged between the supporting seat (2) and the second shaft section (42), and the sealing assembly (7) is used for reducing the height of the supporting seat (2) while sealing the bearing mounting hole (23);
the seal assembly (7) comprises 1 labyrinth seal (71) and 1 rotary seal (72), wherein the rotary seal (72) is positioned on one side of the labyrinth seal (71) close to the bearing mounting hole (23).
2. A turret auxiliary support structure according to claim 1, wherein: one end of the auxiliary bearing (3) close to the connecting rotating shaft (4) is abutted with a limiting ring strip (5), and a limiting ring groove (25) for installing the limiting ring strip (5) is coaxially formed in the hole wall of the bearing installing hole (23).
3. A turret auxiliary support structure according to claim 2, wherein: one end of the auxiliary bearing (3) deviating from the connecting rotating shaft (4) is abutted with a limiting baffle ring (6), and the limiting baffle ring (6) is coaxially installed on the hole wall of the bearing installation hole (23).
4. A turret auxiliary support structure according to claim 1, wherein: the labyrinth seal (71) comprises a sealing baffle ring (711), the sealing baffle ring (711) is fixed on the second shaft section (42) and is coaxially arranged with the first shaft section (41), and the supporting seat (2) is provided with a sealing baffle groove (26) for coaxially inserting and rotating the sealing baffle ring (711).
5. A turret auxiliary support structure according to claim 1, wherein: the rotary sealing piece (72) is a rotary sealing ring (721), a rotary annular groove (27) which is coaxially arranged with the bearing mounting hole (23) is formed in the supporting seat (2), and the rotary sealing ring (721) is positioned in the rotary annular groove (27) and abuts against the supporting seat (2) and the second shaft section (42).
6. A turret auxiliary support structure according to claim 1, wherein: the supporting seat (2) comprises a mounting base (21) and a connecting seat (22) which are detachably connected, the connecting seat (22) is positioned on the mounting base (21), and the bearing mounting hole (23) is formed in the connecting seat (22).
7. A turret auxiliary support structure according to claim 1, wherein: rear access holes (28) which are coaxially communicated with the bearing mounting holes (23) are formed in one side, deviating from the bearing mounting holes (23), of the supporting seat (2), a sealing rear cover (8) used for covering the rear access holes (28) is detachably connected to the supporting seat (2), a rear sealing ring (9) is arranged between the sealing rear cover (8) and the supporting seat (2), and the rear sealing ring (9) abuts against the sealing rear cover (8) and the supporting seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210917025.2A CN115284024B (en) | 2022-08-01 | 2022-08-01 | Auxiliary supporting structure of turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210917025.2A CN115284024B (en) | 2022-08-01 | 2022-08-01 | Auxiliary supporting structure of turntable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115284024A CN115284024A (en) | 2022-11-04 |
| CN115284024B true CN115284024B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210917025.2A Active CN115284024B (en) | 2022-08-01 | 2022-08-01 | Auxiliary supporting structure of turntable |
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| CN206263605U (en) * | 2016-12-12 | 2017-06-20 | 湖南华天光电惯导技术有限公司 | Slotted vane annular groove processes turntable |
| CN209781951U (en) * | 2019-02-28 | 2019-12-13 | 南京苏上涂胶技术有限公司 | High-pressure airtight switching device |
| CN110682114A (en) * | 2019-09-16 | 2020-01-14 | 宁波海天精工股份有限公司 | Five-axis cradle rotary table |
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| CN201593495U (en) * | 2010-01-25 | 2010-09-29 | 福建尤迪电机制造有限公司 | Air pump lubricated without oil |
| CN202539953U (en) * | 2012-02-27 | 2012-11-21 | 广州市技师学院 | Rotary table structure for small-scale five-shaft machining device |
| DE102014015532A1 (en) * | 2014-10-21 | 2015-04-23 | Daimler Ag | Assembly aid for mounting a bearing device |
| CN105750938A (en) * | 2016-04-07 | 2016-07-13 | 江苏新瑞重工科技有限公司 | B-C five-axis turntable |
| CN206092397U (en) * | 2016-08-26 | 2017-04-12 | 西安大漠石油能源科技工程有限公司 | Eccentric rotor compensation arrangement |
| CN206263605U (en) * | 2016-12-12 | 2017-06-20 | 湖南华天光电惯导技术有限公司 | Slotted vane annular groove processes turntable |
| CN209781951U (en) * | 2019-02-28 | 2019-12-13 | 南京苏上涂胶技术有限公司 | High-pressure airtight switching device |
| CN110682114A (en) * | 2019-09-16 | 2020-01-14 | 宁波海天精工股份有限公司 | Five-axis cradle rotary table |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115284024A (en) | 2022-11-04 |
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