CN219119565U - Rotary lifting oil cylinder - Google Patents

Abstract

The utility model discloses a rotary lifting oil cylinder, which mainly relates to the technical field of oil cylinders; comprising a cylinder body, a piston rod is arranged in the cylinder body, a piston is arranged on the piston rod, a cylinder bottom is arranged at one end of the cylinder body, and a cylinder bottom is arranged at one end of the cylinder body. The end of the piston rod away from the bottom of the cylinder protrudes outward from the cylinder body. An outer cylinder assembly is provided on the outside of the cylinder body. One end of the outer cylinder assembly is open and the other end is provided with a central hole. The inner wall of the outer cylinder assembly is connected to the There is a gap between the outer walls of the cylinder body, the piston rod is inserted into the center hole and connected to the outer cylinder assembly in rotation, the movement of the piston rod can drive the movement of the outer cylinder assembly, and the side of the cylinder bottom close to the outer cylinder assembly is provided with a guide Connecting sleeve, the guide connecting sleeve is inserted into the outer cylinder assembly, the cylinder body is threadedly connected with the guide connecting sleeve, the outer wall of the guide connecting sleeve is provided with a helical guide groove, and the outer cylinder assembly is provided with A guide pin compatible with the guide groove; the utility model can complete rotation and lifting at the same time, and the manufacturing cost and energy consumption are low.

Description

Swing Cylinder

technical field

The utility model relates to the technical field of oil cylinders, in particular to a rotary lifting oil cylinder.

Background technique

The rotating lifting structure is often used in the transfer of materials between processes or infrequently used stations on the production line. The rotating lifting structure can be decomposed into a rotating structure and a lifting structure. Generally, it is lifted to a certain height while rotating 90°, which is widely used. Transfer between processes or hide equipment on uncommonly used stations. The rotating structure and lifting structure of the existing rotating lifting structure are mostly set separately, and are started by an independent driving device. Two driving devices are used, which increases the production cost and capacity. consumption.

Utility model content

The purpose of the utility model is to solve the problems existing in the prior art, and provide a rotary lifting oil cylinder, which can complete rotation and lifting at the same time, and has low manufacturing cost and energy consumption.

The utility model realizes above-mentioned purpose by following technical scheme:

The rotary lifting oil cylinder includes a cylinder body, a piston rod is arranged in the cylinder body, a piston is arranged on the piston rod, a cylinder bottom is arranged at one end of the cylinder body, and the end of the piston rod far away from the cylinder bottom protrudes outwards A cylinder body, an outer cylinder assembly is provided on the outside of the cylinder body, one end of the outer cylinder assembly is open and the other end is provided with a central hole, there is a gap between the inner wall of the outer cylinder assembly and the outer wall of the cylinder body, so The piston rod is inserted into the center hole and connected to the outer cylinder assembly in rotation, the movement of the piston rod can drive the movement of the outer cylinder assembly, the side of the cylinder bottom close to the outer cylinder assembly is provided with a guide connecting sleeve, and the guide connection sleeve is inserted into the outer cylinder In the assembly, the cylinder body is threadedly connected with the guide connecting sleeve, the outer wall of the guide connecting sleeve is provided with a helical guide groove, and the outer cylinder assembly is provided with a guide pin adapted to the guide groove.

Preferably, one end of the piston rod is provided with a central rod adapted to the central hole, the end of the central rod far away from the piston rod is provided with a connecting end cover, the outer diameter of the central rod is smaller than the inner diameter of the piston rod, and the The outer diameter of the connecting end cover is larger than the inner diameter of the central hole, and the central rod and the outer cylinder assembly are connected in rotation through a bearing.

Preferably, the number of the guide grooves is three, which are evenly arranged along the circumferential surface of the guide connecting sleeve.

Preferably, the outer cylinder assembly is provided with a mounting hole adapted to the guide pin, the guide pin is rotatably connected to the mounting hole, one end of the guide pin is inserted into the guide groove, and the other end is provided with an adjustment screw, and the adjustment The screw is threadedly connected with the mounting hole.

Preferably, an elastic adjustment pad is provided between the guide pin and the adjustment screw.

Compared with the prior art, the beneficial effects of the utility model are:

The outer end of the piston rod of the utility model is installed on the outer cylinder assembly. When the piston rod stretches out, it can push the outer cylinder assembly to move. The guide groove moves so that the outer cylinder assembly rotates around the axis of the piston rod while it moves, so that the rotation and lifting can be completed at the same time, and the manufacturing cost and energy consumption are low.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of a guide connecting sleeve;

Fig. 3 is a sectional view of the guide connecting sleeve.

Numbers in the drawings: 1. Cylinder body; 2. Piston rod; 3. Piston; 4. Cylinder bottom; 5. Outer cylinder assembly; ; 10, connecting end cover; 11, bearing; 12, adjusting screw; 13, elastic adjusting pad.

Detailed ways

Below in conjunction with specific embodiment, further set forth the utility model. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. In addition, it should be understood that those skilled in the art may make various changes or modifications to the utility model after reading the content taught by the utility model, and these equivalent forms also fall within the scope defined in the application.

Embodiment: As shown in accompanying drawings 1-3, the utility model described is a rotary lifting oil cylinder, comprising a cylinder body 1, a piston rod 2 is arranged in the cylinder body 1, and a piston 3 is arranged on the piston rod 2, One end of the cylinder body 1 is provided with a cylinder bottom 4, the cylinder bottom 4 and the piston rod 2 are provided with oil passages connected with the cylinder body 1, and the end of the piston rod 2 far away from the cylinder bottom 4 protrudes outward from the cylinder body 1 , the outside of the cylinder 1 is provided with an outer cylinder assembly 5, one end of the outer cylinder assembly 5 is open and the other end is provided with a central hole, the outer cylinder assembly 5 includes a cylinder and an end cap welded on one end of the cylinder , the central hole is arranged on the end cover, and the transfer mechanical arm or the equipment to be hidden is installed on the outer cylinder assembly 5, and a plurality of screw mounting holes are arranged on the outer wall of the outer cylinder assembly 5.

There is a gap between the inner wall of the outer cylinder assembly 5 and the outer wall of the cylinder body 1, the inner diameter of the outer cylinder assembly 5 is larger than the outer diameter of the cylinder body 1, and the cylinder body 1 is inserted into the outer cylinder assembly from the open end of the outer cylinder assembly 5 5. The piston rod 2 protrudes outward through the central hole, the piston rod 2 is inserted into the central hole and is connected to the outer cylinder assembly 5 in rotation, the outer end of the piston rod 2 is installed on the outer cylinder assembly 5, and the movement of the piston rod 2 can drive The outer cylinder assembly 5 moves.

Preferably, in order to facilitate the connection between the piston rod and the outer cylinder assembly, one end of the piston rod 2 is provided with a central rod 9 adapted to the central hole, an integral structure is adopted between the central rod 9 and the piston rod 2, and the central One end of the rod 9 away from the piston rod 2 is provided with a connecting end cap 10, and the connecting end cap 10 is fixed on the end of the central rod 9 by screws. The diameter is greater than the inner diameter of the central hole, the outer diameter of the connecting end cap 10 is greater than the inner diameter of the central hole, and the central rod 9 and the central hole of the outer cylinder assembly 5 are rotationally connected by two bearings 11 .

The side of the cylinder bottom 4 close to the outer cylinder assembly 5 is provided with a guide connection sleeve 6, and an integrated structure can be adopted between the guide connection sleeve 6 and the cylinder bottom 4. Preferably, in order to facilitate the manufacture of the utility model, the cylinder bottom 4 Connect with the guide connecting sleeve 6 by screws.

The guide connecting sleeve 6 is inserted into the outer cylinder assembly 5, the outer diameter of the guide connecting sleeve 6 is smaller than the inner diameter of the outer cylinder assembly 5, the guide connecting sleeve 6 is located outside the cylinder body 1, and the cylinder body 1 is threaded with the guide connecting sleeve 6 connection, the outer wall of the guide connection sleeve 6 is provided with a helical guide groove 7, and the outer cylinder assembly 5 is provided with a guide pin 8 adapted to the guide groove 7, and the cross section of the guide groove 7 is preferably trapezoidal , the guide pin 8 is a rotating body, and the part of the guide pin 8 inserted into the guide groove 7 is in the shape of a truncated cone. When the piston rod 2 pushes the outer cylinder assembly 5 to move, the guide pin 8 moves along the guide groove 7, so that the outer cylinder assembly 5 moves Simultaneously, it rotates around the axis of the piston rod 2, so that the rotation and lifting can be completed simultaneously.

Preferably, in order to ensure the stability of the rotation and lifting of the outer cylinder assembly, the number of the guide grooves 7 is three, which are evenly arranged along the circumferential surface of the guide connecting sleeve 6 .

Preferably, in order to avoid a gap between the guide pin and the guide groove, the outer cylinder assembly 5 is provided with a mounting hole adapted to the guide pin 8, the guide pin 8 is rotatably connected to the mounting hole, and the guide pin 8 One end is inserted into the guide groove 7, and the other end is provided with an adjusting screw 12, and the adjusting screw 12 is threadedly connected with the mounting hole.

Further, an elastic adjustment pad 13 is provided between the guide pin 8 and the adjustment screw 12 to ensure that the guide pin 8 and the guide groove 7 are in close contact.

Claims (5)

1. The utility model provides a spiral lift cylinder, includes cylinder body (1), be equipped with piston rod (2) in cylinder body (1), be equipped with piston (3) on piston rod (2), cylinder body (1) one end is equipped with cylinder bottom (4), the one end that cylinder bottom (4) was kept away from to piston rod (2) outwards stretches out cylinder body (1), its characterized in that: the outside of cylinder body (1) is equipped with urceolus subassembly (5), the one end open other end of urceolus subassembly (5) is equipped with the centre bore, leave the clearance between the outer wall of inner wall and cylinder body (1) of urceolus subassembly (5), piston rod (2) are inserted in the centre bore and are connected with urceolus subassembly (5) rotation, and piston rod (2) move can drive urceolus subassembly (5) and remove, one side that cylinder bottom (4) is close to urceolus subassembly (5) is equipped with direction adapter sleeve (6), in direction adapter sleeve (6) inserted urceolus subassembly (5), be equipped with helical guide way (7) on the outer wall of direction adapter sleeve (6), be equipped with guide pin (8) that suits with guide way (7) on urceolus subassembly (5).

2. The lift cylinder according to claim 1, wherein: one end of the piston rod (2) is provided with a center rod (9) which is matched with the center hole, one end, far away from the piston rod (2), of the center rod (9) is provided with a connecting end cover (10), the outer diameter of the center rod (9) is smaller than the inner diameter of the piston rod (2), the outer diameter of the connecting end cover (10) is larger than the inner diameter of the center hole, and the center rod (9) is rotationally connected with the outer cylinder assembly (5) through a bearing (11).

3. The lift cylinder according to claim 1, wherein: the number of the guide grooves (7) is three, and the guide grooves are uniformly distributed along the circumferential surface of the guide connecting sleeve (6).

4. The lift cylinder according to claim 1, wherein: the outer cylinder assembly (5) is provided with a mounting hole which is matched with the guide pin (8), the guide pin (8) is rotationally connected with the mounting hole, one end of the guide pin (8) is inserted into the guide groove (7), the other end of the guide pin is provided with an adjusting screw (12), and the adjusting screw (12) is in threaded connection with the mounting hole.

5. The lift cylinder as set forth in claim 4, wherein: an elastic adjusting pad (13) is arranged between the guide pin (8) and the adjusting screw (12).

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