A pneumatic jack for a spool

Abstract

This utility model relates to a pneumatic top cone for spools, comprising a pusher and a top cone. One end of a cylinder is pressed against the pusher via a first spring and a second spring. The inner wall of the cylinder and the outer wall of the pusher are slidably connected via a sliding bearing. A needle shaft is inserted into the side wall of the cylinder through a first insertion hole, and the needle shaft is inserted into the side wall of the sliding bearing. A movable plate is provided on the inner wall of the cylinder, one end of which is sealed to the pusher. One end of the pusher is fixedly connected to a connector, which is movably connected to the top cone via a rolling bearing. This pneumatic top cone for spools has advantages such as convenient installation, improved work efficiency, and reduced costs.

Description

Technical Field

[0001] This utility model relates to the field of pneumatic jacking technology, and in particular to a pneumatic jacking for a bobbin. Background Technology

[0002] Currently, when fixing and positioning the winding spool, if manual installation is used, it needs to be hammered to secure it. This has the following disadvantages:

[0003] Inaccurate alignment: The winding spool will be inaccurately aligned during installation, increasing installation errors.

[0004] Tightening effect: Manual hammering during installation reduces the tightening effect, and the winding shaft may loosen during operation.

[0005] Difficult to disassemble and assemble: Manual hammering during installation may make it inconvenient to disassemble and assemble the winding spool, reducing maintenance efficiency.

[0006] To address these issues, we developed a pneumatic jack for spools. Utility Model Content

[0007] The purpose of this invention is to overcome the shortcomings of the prior art by providing a pneumatic top cone for spools, which has the advantages of convenient installation, improved work efficiency, and reduced costs.

[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a pneumatic top cone for a bobbin, comprising a cylinder and a top cone, wherein a movable plate is provided on the inner wall of the cylinder, one end of the movable plate is sealed and connected to a pusher, one end of the pusher is fixedly connected to a connector, the connector and the top cone are movably connected through a rolling bearing, one end of the cylinder and the pusher are pressed together by a first spring and a second spring, and the inner wall of the cylinder and the outer wall of the pusher are slidably connected through a sliding bearing.

[0009] Preferably, a needle shaft is inserted into the side wall of the cylinder through a first insertion hole, and the needle shaft is inserted into the side wall of the sliding bearing.

[0010] Preferably, the cylinder has a stepped air inlet on its side wall and a chamber. One end of the chamber is sealed to a cover plate, and the cover plate has an exhaust port. The air inlet communicates with the chamber.

[0011] Preferably, the movable plate has a first annular groove on its side wall and a connecting hole at its end. A sealing ring is pressed between the first annular groove and the chamber, and the connecting hole is sealed to one end of the push member by a first O-ring.

[0012] Preferably, a keyway is provided on the outer wall of the push-fit member, and one end of the needle shaft is inserted into the keyway.

[0013] Preferably, the needle shaft has a plug-in end, the sliding bearing has a through hole, and the plug-in end is plugged into the through hole and the keyway.

[0014] Preferably, a bushing, a third spring, and a pressure plate are sequentially passed through one end of the needle shaft. One end of the third spring is disposed on the inner wall of the bushing and abuts against the shaft shoulder, and the other end of the third spring is pressed against the pressure plate.

[0015] Preferably, a second annular groove is provided on the inner wall of the cylinder in the middle, and a second O-ring is pressed between the second annular groove and the push-fit member.

[0016] Preferably, a guide rod is fixedly connected to the top end of the pusher, and a first blind hole and a second blind hole are provided at the bottom end of the cylinder. The first spring passes through the guide rod, the first spring is pressed against the first blind hole, and the second spring is pressed between the second blind hole and the pusher.

[0017] Preferably, a second insertion hole is provided at the center of one end of the push-fit member, the connector has a cross structure, and one end is inserted into and locked with the second insertion hole.

[0018] Preferably, the inner wall of the top cone is provided with a stepped groove, and the bottom end of the stepped groove is pressed against the rolling bearing.

[0019] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0020] The pneumatic jack for the bobbin described in this utility model uses air pressure to control the compression and extension of the spring, which facilitates bobbin installation and locking. Using a pneumatic jack improves operational efficiency and installation accuracy. The connector is movably connected to the jack, making it suitable for bobbin installation within the factory, increasing its versatility for factory use, and reducing costs. Attached Figure Description

[0021] Figure 1 This is a perspective view of the pneumatic top cone used for the spool described in this utility model.

[0022] Figure 2 This is a front view of the pneumatic top cone used for the spool described in this utility model.

[0023] Figure 3 This utility model Figure 2 Sectional view at point AA. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0025] Figures 1 to 3In a pneumatic top cone for a bobbin, there is a cylinder 10 and a top cone 80. The inner wall of the cylinder 10 is provided with a movable plate 20. One end of the movable plate 20 is sealed to a pusher 30. The side wall of the movable plate 20 is sealed to the cylinder 10 through a sealing ring 22. One end of the pusher 30 is fixedly connected to a connector 70. The connector 70 and the top cone 80 are movably connected through a rolling bearing 71. One end of the cylinder 10 and the pusher 30 are pressed together by a first spring 61 and a second spring 62. The inner wall of the cylinder 10 and the outer wall of the pusher 30 are slidably connected through a sliding bearing 40. A needle shaft 50 is inserted into the side wall of the cylinder 10 through a first insertion hole 13. The needle shaft 50 is inserted into the side wall of the sliding bearing 40. The cylinder 10 has a stepped air inlet 12 on its side wall and a chamber 15. One end of the chamber 15 is sealed to a cover plate 11, which has an exhaust port 111. The air inlet 12 communicates with the chamber 15. The cylinder 10 has a second annular groove 16 on its inner wall, and a second O-ring 35 is pressed between the second annular groove 16 and the push-fit member 30. The top cone 80 has a stepped groove 81 on its inner wall, and the bottom end of the stepped groove 81 is pressed to the rolling bearing 71.

[0026] The movable plate 20 has a first annular groove 21 on its side wall and a connecting hole 23 at its end. A sealing ring 22 is pressed between the first annular groove 21 and the chamber 15. The connecting hole 23 is sealed to one end of the push-fit member 30 by a first O-ring. The connecting hole 23 is fixedly connected to one end of the push-fit member 30 by screws. The movable plate 20 and the push-fit member 30 are pressed together by the first O-ring through the groove at their bottom ends.

[0027] A guide rod 60 is fixedly connected to the top of the push-fit component 30. A second insertion hole 39 is provided at the center of one end of the push-fit component 30, and a keyway 31 is provided on the outer wall of the push-fit component 30. A first blind hole 18 and a second blind hole 19 are provided at the bottom of the cylinder 10. A first spring 61 passes through the guide rod 60, and the first spring 61 is pressed against the first blind hole 18. A second spring 62 is pressed between the second blind hole 19 and the push-fit component 30. The connector 70 has a cross structure, and one end is inserted into the second insertion hole 39 and locked. One end of the needle shaft 50 is inserted into the keyway 31. The guide rod 60 guides and limits the first spring 61. The second spring 62 improves the compression performance.

[0028] A bushing 53, a third spring 52, and a pressure plate 51 are sequentially inserted through one end of the needle shaft 50. One end of the third spring 52 is located on the inner wall of the bushing 53 and abuts against the shaft shoulder, while the other end of the third spring 52 is pressed against the pressure plate 51. The needle shaft 50 has an insertion end 501, and the sliding bearing 40 has a through hole 41. The sliding bearing 40 is sleeved on the outside of the keyway 31, and the insertion end 501 is inserted into the through hole 41 and the keyway 31. The sliding bearing 40 can be used for the relative movement between the push-fit component and the cylinder wall, and can also be used for positioning the insertion end.

[0029] The air inlet 12 is connected to the air source, and the exhaust port 111 is connected to the exhaust valve. After the chamber 15 is filled with air, the compressed gas drives the movable plate 20 to push forward. The pusher and the cylinder slide and move, the first spring and the second spring are compressed, and the pusher pushes the top cone forward through the connector. The top cone precisely fixes the winding shaft to prevent loosening. The insertion end 501 of the needle shaft 50 is inserted into the keyway through the through hole and limits the pusher. After the winding shaft is pressed, the exhaust valve of the exhaust port 111 exhausts air, and the pusher 30 moves backward and resets under the action of the first spring and the second spring. When the spool needs to be fixed, the above actions are repeated.

[0030] The above are merely specific application examples of this utility model and do not constitute any limitation on the scope of protection of this utility model. All technical solutions formed by equivalent transformations or equivalent substitutions fall within the scope of protection of this utility model.

Claims

1. A pneumatic top cone for spools, characterized by: The device includes a cylinder (10) and a top cone (80). The inner wall of the cylinder (10) is provided with a movable plate (20). One end of the movable plate (20) is sealed and connected to a pusher (30). One end of the pusher (30) is fixedly connected to a connector (70). The connector (70) and the top cone (80) are movably connected through a rolling bearing (71). One end of the cylinder (10) and the pusher (30) are pressed together by a first spring (61) and a second spring (62). The inner wall of the cylinder (10) and the outer wall of the pusher (30) are slidably connected through a sliding bearing (40). The side wall of the cylinder (10) is inserted into a needle shaft (50) through a first insertion hole (13). The needle shaft (50) is inserted into the side wall of the sliding bearing (40).

2. The air driven mandrel cone of claim 1 wherein, The cylinder (10) has a stepped air inlet (12) on its side wall and a chamber (15). One end of the chamber (15) is sealed and connected to a cover plate (11). The cover plate (11) has an exhaust port (111). The air inlet (12) is connected to the chamber (15).

3. The air driven mandrel cone of claim 2 wherein, The movable plate (20) has a first annular groove (21) on its side wall and a connecting hole (23) at its end. A sealing ring (22) is pressed between the first annular groove (21) and the chamber (15). The connecting hole (23) is sealed to one end of the push member (30) by a first O-ring.

4. The air driven mandrel cone of claim 1 wherein, The outer wall of the push-fit member (30) is provided with a keyway (31), and one end of the needle shaft (50) is inserted into the keyway (31).

5. The pneumatic jack for the spool according to claim 4, characterized in that, The needle shaft (50) is provided with a plug end (501), and the sliding bearing (40) is provided with a through hole (41). The plug end (501) is plugged into the through hole (41) and the keyway (31).

6. The pneumatic jack for the spool according to claim 4, characterized in that, One end of the needle shaft (50) is sequentially fitted with a bushing (53), a third spring (52) and a pressure plate (51). One end of the third spring (52) is located on the inner wall of the bushing (53) and abuts against the shaft shoulder. The other end of the third spring (52) is pressed against the pressure plate (51).

7. The pneumatic jack for the spool according to claim 1, characterized in that, The cylinder (10) has a second annular groove (16) in the middle inner wall, and a second O-ring (35) is pressed between the second annular groove (16) and the pusher (30).

8. The pneumatic jack for the spool according to claim 1, characterized in that, The top end of the pusher (30) is fixedly connected to a guide rod (60). The bottom end of the cylinder (10) is provided with a first blind hole (18) and a second blind hole (19). The guide rod (60) passes through the first spring (61). The first spring (61) is pressed against the first blind hole (18). The second blind hole (19) is pressed against the pusher (30) with the second spring (62).

9. The pneumatic jack for a spool according to claim 1, characterized in that, The push-fit member (30) has a second insertion hole (39) at the center of one end, and the connector (70) has a cross structure, with one end inserted and locked into the second insertion hole (39).

10. The pneumatic jack for a spool according to claim 1, characterized in that, The inner wall of the top cone (80) is provided with a stepped groove (81), and the bottom end of the stepped groove (81) is pressed against the rolling bearing (71).

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