CN220578628U

CN220578628U - Rotary chuck

Info

Publication number: CN220578628U
Application number: CN202322250967.2U
Authority: CN
Inventors: 刘毅
Original assignee: Changzhou Hongyi Intelligent Equipment Co ltd
Current assignee: Changzhou Hongyi Intelligent Equipment Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-12
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses a rotary chuck, in particular to the technical field of chucks, which comprises a rotary transmission shaft, wherein a bearing sleeve seat is sleeved on the outer wall of the rotary transmission shaft, two symmetrically arranged auxiliary support rotating shafts are arranged in the bearing sleeve seat, and an auxiliary support assembly is arranged on the outer wall of each auxiliary support rotating shaft; the auxiliary support assembly comprises a thrust ball limiting bearing arranged on the outer wall of the auxiliary support rotating shaft, and a deep groove ball bearing is rotatably connected to the outer wall of the auxiliary support rotating shaft and positioned below the thrust ball limiting bearing. According to the utility model, the lock nut can play a limiting role on the first limiting spacer, the auxiliary supporting rotating shaft can provide stable supporting force from two sides when the rotary transmission shaft rotates in the bearing sleeve seat, the swing amplitude of the rotary transmission shaft is prevented from being larger, the abrasion force is smaller, and the whole rotary chuck has better durability.

Description

Rotary chuck

Technical Field

The utility model relates to the technical field of chucks, in particular to a rotary chuck.

Background

In the coating processing equipment of lithium battery diaphragms, a winding and unwinding part is often matched with a driving shaft for winding or unwinding actions by an air expansion shaft, wherein, for the convenience of product replacement, one type of air expansion shaft is in long-term bolt connection with a winding and unwinding non-power side chuck.

In the prior art, the utility model patent of the patent publication No. CN210649834U discloses a floating chuck, which takes more time for repositioning a processing station, and adopts a clamp with a floating bearing structure to realize the adaptation of the rotating shaft angle of the clamp, but the clamp cannot realize translational floating and has poor aligning and positioning capabilities; the floating chucks are uniformly distributed on the annular mounting frame and are connected with driving motors, and the floating chucks can realize the adjustment of position deviation and angle deviation of a clamped workpiece on a plane perpendicular to the rotation direction; however, this chuck has the following drawbacks;

the shaft class dead weight that above-mentioned chuck carried owing to the assembly is heavier in addition the weight of product, can cause great radial load and moment of flexure to the unpowered side chuck when changing the roll, this has just led to the unpowered side chuck bearing of current structure extremely fragile, consequently in the use, is difficult to bear great rotational force and carries out stable transmission, and contact position wearing and tearing are serious, and the durability is relatively poor, need provide a swivel chuck for this.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a spin chuck.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the rotary chuck comprises a rotary transmission shaft, wherein a bearing sleeve seat is sleeved on the outer wall of the rotary transmission shaft, two symmetrically arranged auxiliary support rotating shafts are arranged in the bearing sleeve seat, and an auxiliary support assembly is arranged on the outer wall of the auxiliary support rotating shaft;

the auxiliary support assembly comprises a thrust ball limit bearing arranged on the outer wall of an auxiliary support rotating shaft, the outer wall of the auxiliary support rotating shaft is rotationally connected with a deep groove ball bearing at the position below the thrust ball limit bearing, the outer wall of the auxiliary support rotating shaft is rotationally connected with a first limit spacer at the position below the deep groove ball bearing, one side of the outer wall of the first limit spacer is fixedly connected with a limit retainer ring, and the outer wall of the auxiliary support rotating shaft is in threaded connection with a lock nut used for limiting the first limit spacer close to the bottom end of the outer wall of the auxiliary support rotating shaft.

Preferably, the bearing sleeve seat is rotationally connected with the rotary transmission shaft, the outer wall of the rotary transmission shaft is provided with a smooth surface, the bearing sleeve seat and the thrust ball limit bearing are rotationally connected with the auxiliary support rotating shaft, and the first limit spacer is fixedly connected with the lock nut and the limit retainer ring respectively.

Preferably, the outer wall of the limit retainer ring is rotationally connected with a sleeve joint shaft block, an internal thread cylindrical pin in threaded connection is embedded and installed on one side of the sleeve joint shaft block, a reinforcing connecting plate with a triangular vertical section is welded on the inner wall of the sleeve joint shaft block, one end part of the rotary transmission shaft is coaxially connected with a servo motor in a transmission manner, an assembly flange is installed on the outer wall of the rotary transmission shaft and positioned at one side of the bearing sleeve joint seat, and the assembly flange is rotationally connected with the rotary transmission shaft.

Through adopting above-mentioned technical scheme, assemble the assembly flange on servo motor, and butt joint between servo motor output and the gyration transmission shaft, peg graft the internal thread cylindric lock and fix on the installing support after spacing, strengthen the even board and can play the supporting role to cup jointing the axle piece, cup jointing the axle piece and playing the supporting role to spacing retaining ring and first spacing spacer ring, lock nut can play the limiting role to first spacing spacer ring, auxiliary support pivot can be at the inside rotation of bearing housing seat, deep groove ball bearing and thrust ball limit bearing improve auxiliary support pivot rotatory stability simultaneously, the gyration transmission shaft can be at the inside stable rotation of bearing housing seat moreover, can provide stable holding power by both sides when the gyration transmission shaft is rotatory.

Preferably, the outer wall of the rotary transmission shaft and the position at one side of the bearing sleeve seat are sequentially and equidistantly arranged with a bearing gasket and a limiting bearing from left to right, the bearing gasket and the limiting bearing are rotationally connected with the rotary transmission shaft, the outer wall of the rotary transmission shaft and the position at the other side of the bearing sleeve seat are rotationally connected with a second limiting spacer ring, and the outer wall of the second limiting spacer ring is provided with a bearing gland rotationally connected with the outer wall of the bearing sleeve seat.

Preferably, the bearing gland and the second limiting spacer ring are fixedly connected, and the second limiting spacer ring and the bearing gland are both made of stainless steel.

Through adopting above-mentioned technical scheme, the bearing gasket plays spacing effect to spacing bearing, and bearing gland plays spacing effect to the spacing spacer of second, can ensure that gyration transmission shaft and bearing gasket contact position are spacing rotatory in appointed position department.

The utility model has the technical effects and advantages that:

1. through setting up auxiliary support subassembly, lock nut can play spacing effect to first spacing spacer, and auxiliary support pivot can be at the inside rotation of bearing housing seat, and deep groove ball bearing and thrust ball limit bearing improve the rotatory stability of auxiliary support pivot, can provide stable holding power by both sides when the gyration transmission shaft is rotatory, avoid causing the gyration transmission shaft to shake the range great, avoid the bearing housing of gyration transmission shaft outer wall to bear great wearing and tearing power, the transmission is more stable, the wearing and tearing power is less, whole rotating chuck durability is better;

2. the bearing gasket plays a limiting role on the limiting bearing, the bearing gland plays a limiting role on the second limiting spacer ring, the outer wall rolls with the limiting bearing part when the rotary transmission shaft rotates, and the rotary transmission shaft can carry out limiting transmission in a designated area, so that the offset is avoided.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of a rotary chuck according to the present utility model.

Fig. 2 is a schematic view of a vertical section plane structure of a rotary chuck according to the present utility model.

Fig. 3 is a schematic view of a truncated partial plane structure of a rotary transmission shaft in a rotary chuck according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

The reference numerals are: 1. a rotary transmission shaft; 2. a bearing sleeve seat; 3. an auxiliary supporting rotating shaft; 4. thrust ball limit bearing; 5. deep groove ball bearings; 6. a limit retainer ring; 7. a first spacing spacer; 8. a lock nut; 9. sleeving the shaft block; 10. an internal thread cylindrical pin; 11. a servo motor; 12. reinforcing the connecting plate; 13. a bearing spacer; 14. a limit bearing; 15. the second limiting spacing ring; 16. a bearing gland; 17. and (5) assembling a flange.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-4, be provided with auxiliary stay subassembly on this rotatory chuck, auxiliary stay subassembly's setting can make lock nut 8 play spacing effect to first spacing spacer 7, auxiliary stay pivot 3 can be at the inside rotation of bearing housing seat 2, deep groove ball bearing 5 and thrust ball spacing bearing 4 improve the rotatory stability of auxiliary stay pivot 3, can provide stable holding power by both sides when gyration transmission shaft 1 rotates, avoid causing the bearing housing seat 2 of gyration transmission shaft 1 outer wall to bear great wearing and tearing power, stable transmission, wearing and tearing power is less, whole swivel chuck durability is better, auxiliary stay subassembly's specific structure sets up as follows:

in some embodiments, as shown in fig. 1-4, the auxiliary support assembly comprises a thrust ball limiting bearing 4 arranged on the outer wall of the auxiliary support rotating shaft 3, a deep groove ball bearing 5 is rotatably connected to the outer wall of the auxiliary support rotating shaft 3 and positioned below the thrust ball limiting bearing 4, a first limiting spacer 7 is rotatably connected to the outer wall of the auxiliary support rotating shaft 3 and positioned below the deep groove ball bearing 5, a limiting retainer ring 6 is fixedly connected to one side of the outer wall of the first limiting spacer 7, and a locking nut 8 for limiting the first limiting spacer 7 is in threaded connection with the outer wall of the auxiliary support rotating shaft 3 and positioned near the bottom end of the outer wall;

the theory of use of rotatory chuck of this embodiment, assemble the assembly flange 17 on servo motor 11, and butt joint between servo motor 11 output and the gyration transmission shaft 1, spacing fixed is carried out to gyration transmission shaft 1's position, peg graft internal thread cylindric lock 10 after spacing and fix on the installing support, strengthen the link plate 12 and can play the supporting role to cup jointing shaft piece 9, cup jointing shaft piece 9 plays the supporting role to spacing retaining ring 6 and first spacing spacer 7, lock nut 8 can play the limiting role to first spacing spacer 7, auxiliary support pivot 3 can be at the inside rotation of bearing housing seat 2, simultaneously deep groove ball bearing 5 and thrust ball limit bearing 4 improve auxiliary support pivot 3 rotatory stability, and gyration transmission shaft 1 can be at the inside steady rotation of bearing housing seat 2, rotatory chuck can realize multidirectional rotation, can provide stable holding power by both sides when gyration transmission shaft 1 rotates simultaneously, gyration transmission shaft 1 transmission stability is better, avoid causing the bearing housing 2 wearing and tearing of gyration transmission shaft 1 outer wall, whole rotation chuck durability is better.

In some embodiments, as shown in fig. 1-3, the outer wall of the limit retainer ring 6 is rotatably connected with a sleeve joint shaft block 9, an internal thread cylindrical pin 10 in threaded connection is embedded and installed on one side of the sleeve joint shaft block 9, a reinforcing connecting plate 12 with a triangular vertical section is welded on the inner wall of the sleeve joint shaft block 9, a servo motor 11 is coaxially connected to one end of the rotary transmission shaft 1 in a transmission manner, so that the internal thread cylindrical pin 10 is inserted and fixed on a mounting bracket after limiting, the reinforcing connecting plate 12 can play a supporting role on the sleeve joint shaft block 9, the vertical stability of the auxiliary support shaft 3 is increased, and the reinforcing connecting plate 12 can also provide supporting force for the sleeve joint shaft block 9.

In some embodiments, as shown in the drawings, an assembly flange 17 is installed on the outer wall of the rotary transmission shaft 1 and located at a position on one side of the bearing sleeve seat 2, and the assembly flange 17 is rotationally connected with the rotary transmission shaft 1 so as to facilitate assembly of the assembly flange 17 on the servo motor 11, and butt joint between the output end of the servo motor 11 and the rotary transmission shaft 1, the assembly flange 17 can complete assembly, and better butt joint stability of the rotary transmission shaft 1 and the motor is ensured.

In some embodiments, as shown in fig. 2-3, the outer wall of the rotary transmission shaft 1 and the position on one side of the bearing sleeve seat 2 are sequentially and equidistantly arranged with a bearing gasket 13 and a limit bearing 14 from left to right, the bearing gasket 13 and the limit bearing 14 are both rotationally connected with the rotary transmission shaft 1, the outer wall of the rotary transmission shaft 1 and the position on the other side of the bearing sleeve seat 2 are rotationally connected with a second limit spacer 15, the outer wall of the second limit spacer 15 is provided with a bearing gland 16 rotationally connected with the outer wall of the bearing sleeve seat 2, the bearing gland 16 is fixedly connected with the second limit spacer 15, and the second limit spacer 15 and the bearing gland 16 are both made of stainless steel;

according to the upper structure, when the rotary transmission shaft 1 rotates, the bearing gasket 13 plays a limiting role on the limiting bearing 14, the bearing gland 16 plays a limiting role on the second limiting spacer 15, when the rotary transmission shaft 1 rotates, the outer wall rolls with the limiting bearing 14, the contact part of the rotary transmission shaft 1 and the bearing gasket 13 can be ensured to rotate at a limiting position, the fact that the left and right positions of the rotary transmission shaft 1 are difficult to deviate in the rotating process is ensured, and the transmission limiting effect of the rotary transmission shaft 1 is higher.

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a swivel chuck, includes gyration transmission shaft (1), the outer wall of gyration transmission shaft (1) has cup jointed bearing housing seat (2), its characterized in that: two symmetrically arranged auxiliary support rotating shafts (3) are arranged in the bearing sleeve seat (2), and auxiliary support components are arranged on the outer wall of each auxiliary support rotating shaft (3);

the auxiliary support assembly comprises a thrust ball limiting bearing (4) arranged on the outer wall of an auxiliary support rotating shaft (3), a deep groove ball bearing (5) is rotationally connected to the outer wall of the auxiliary support rotating shaft (3) and located at the position below the thrust ball limiting bearing (4), a first limiting spacer ring (7) is rotationally connected to the outer wall of the auxiliary support rotating shaft (3) and located at the position below the deep groove ball bearing (5), a limiting retainer ring (6) is fixedly connected to one side of the outer wall of the first limiting spacer ring (7), and a locking nut (8) used for limiting the first limiting spacer ring (7) is in threaded connection with the outer wall of the auxiliary support rotating shaft (3) and close to the bottom end of the outer wall of the auxiliary support rotating shaft.

2. A spin chuck according to claim 1, wherein: the bearing sleeve seat (2) is rotationally connected with the rotary transmission shaft (1), and the outer wall of the rotary transmission shaft (1) is provided with a smooth surface.

3. A spin chuck according to claim 1, wherein: the bearing sleeve seat (2) and the thrust ball limiting bearing (4) are rotationally connected with the auxiliary supporting rotating shaft (3), and the first limiting spacer ring (7) is fixedly connected with the locking nut (8) and the limiting retainer ring (6) respectively.

4. A spin chuck according to claim 1, wherein: the outer wall of the limiting retainer ring (6) is rotationally connected with a sleeve joint shaft block (9), one side of the sleeve joint shaft block (9) is embedded with an internal thread cylindrical pin (10) in threaded connection, the inner wall of the sleeve joint shaft block (9) is welded with a reinforcing connecting plate (12) with a triangular vertical section, and one end part of the rotary transmission shaft (1) is coaxially connected with a servo motor (11).

5. A spin chuck according to claim 1, wherein: an assembly flange (17) is arranged on the outer wall of the rotary transmission shaft (1) and positioned at one side of the bearing sleeve seat (2), and the assembly flange (17) is rotationally connected with the rotary transmission shaft (1).

6. A spin chuck according to claim 1, wherein: the outer wall of the rotary transmission shaft (1) and the position of one side of the bearing sleeve seat (2) are sequentially equidistantly arranged with a bearing gasket (13) and a limiting bearing (14) from left to right, the bearing gasket (13) and the limiting bearing (14) are rotationally connected with the rotary transmission shaft (1), the outer wall of the rotary transmission shaft (1) and the position of the other side of the bearing sleeve seat (2) are rotationally connected with a second limiting spacer ring (15), and a bearing gland (16) rotationally connected with the outer wall of the bearing sleeve seat (2) is arranged on the outer wall of the second limiting spacer ring (15).

7. A spin chuck according to claim 6, wherein: the bearing gland (16) and the second limiting spacer ring (15) are fixedly connected, and the second limiting spacer ring (15) and the bearing gland (16) are made of stainless steel.