CN218971549U

CN218971549U - Novel counter weight draws jar

Info

Publication number: CN218971549U
Application number: CN202223425045.2U
Authority: CN
Inventors: 杨瑷宁
Original assignee: Kunshan Litian Machinery Equipment Co ltd
Current assignee: Kunshan Litian Machinery Equipment Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-05
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a novel counterweight cylinder, in particular to the field of counterweight cylinders, which comprises the following components: the front end cover is internally provided with a cylinder barrel, a piston rod is arranged in the cylinder barrel, and the outer wall of the front end of the piston rod is provided with a dust ring; the rear end of the dust ring is provided with a first wear-resistant ring, and the rear end of the first wear-resistant ring is provided with a U-shaped pull rod seal; the rear end of the U-shaped pull rod seal is provided with a combined pull rod seal. The novel counterweight cylinder pulling device disclosed by the utility model uses the nitrogen automatic balancing structure, the nitrogen automatic balancing structure works by inputting nitrogen from the air inlet hole, and the nitrogen automatic balancing structure is compact in size and easy to install near the gravity center position of the main shaft unit; the load of the gravity axial linear servo Ma Wei can be effectively reduced by utilizing the balance weight, the power consumption and the thermal deformation caused by heating are reduced, the silencer is arranged at the rear end of the exhaust hole formed in the rear end of the device, and the noise emitted by the whole device during use can be greatly reduced by arranging the silencer at the rear end of the exhaust hole.

Description

Novel counter weight draws jar

Technical Field

The disclosure relates to the technical field of counterweight drawing cylinders, in particular to a novel counterweight drawing cylinder.

Background

The counterweight drawing cylinder is one kind of cylinder, and the cylinder is one cylindrical metal part for guiding the piston to reciprocate linearly inside the cylinder. The air converts thermal energy into mechanical energy by expansion in the engine cylinder; the gas is compressed by a piston in a compressor cylinder to increase the pressure, and the counterweight pull cylinder can push or pull equipment arranged at the output end through the movement of an internal piston rod;

the existing common counterweight cylinder drawing exhaust port is influenced by air pressure during exhaust operation, and the air is easy to generate loud noise during exhaust, so that the noise generated by loud sound of the air exhaust is loud.

Disclosure of Invention

The utility model mainly aims to provide a novel counterweight cylinder, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a novel counterweight pull cylinder, comprising: the front end cover is internally provided with a cylinder barrel, a piston rod is arranged in the cylinder barrel, and the outer wall of the front end of the piston rod is provided with a dust ring; the rear end of the dust ring is provided with a first wear-resistant ring, and the rear end of the first wear-resistant ring is provided with a U-shaped pull rod seal; the rear end of the U-shaped pull rod seal is provided with a combined pull rod seal, and the rear end of the combined pull rod seal is provided with a first O-shaped ring.

Preferably, the upper end of the front end cover is provided with an air inlet, and the inner wall of the rear end of the cylinder barrel is provided with a combined piston seal; the rear end of the combined piston seal is provided with a second wear-resistant ring, and the rear end of the second wear-resistant ring is provided with a U-shaped piston seal; the rear end of the cylinder barrel is provided with an exhaust hole, and the rear end of the exhaust hole is provided with a silencer.

Preferably, a second O-shaped ring is arranged on the outer wall of the rear end of the piston rod; the dust ring, the first wear-resistant ring, the U-shaped pull rod seal, the combined pull rod seal and the outer wall of the first O-shaped ring are all arranged on the inner wall of the front end cover.

Preferably, the dust ring, the first wear-resistant ring, the U-shaped pull rod seal and the combined pull rod seal outer wall are all arranged on the inner wall of the front end cover and attached to the outer wall of the front end of the piston rod.

Preferably, the inner wall of the first O-shaped ring is attached to the outer wall of the cylinder barrel, and the diameter of the first O-shaped ring is larger than that of the second O-shaped ring.

Preferably, the front end of the piston rod penetrates through the front end cover, an assembly groove is formed in the front end cover, and the size of the assembly groove is matched with that of the front end of the piston rod.

Preferably, the types of the combined piston seal, the second wear-resistant ring and the U-shaped piston seal are matched with the types of the rear end of the cylinder barrel.

Preferably, the diameter of the front end of the cylinder barrel is smaller than that of the rear end of the cylinder barrel, the length of the cylinder barrel is smaller than that of the piston rod, and the diameters of the front end and the rear end of the piston rod are smaller than that of the middle of the piston rod.

Compared with the prior art, the utility model has the beneficial effects that:

the component can further effectively improve the installation verticality of the Z-axis counterweight system under the drive of the whole up-and-down motion of a servo motor, a screw rod, a linear rail/hard rail and other mechanisms of the machine tool, so that the normal service lives of the counterweight system, the motor and the screw rod are prolonged, and the aim of finally improving the machining stability of the machine tool is fulfilled; the load of the gravity axial linear servo Ma Wei can be effectively reduced by utilizing the balance weight, the power consumption and the thermal deformation caused by heating are reduced, the silencer is arranged at the rear end of the exhaust hole formed in the rear end of the device, and the noise emitted by the whole device during use can be greatly reduced by arranging the silencer at the rear end of the exhaust hole.

Drawings

FIG. 1 is a schematic view of the overall structure of a novel counterweight pull cylinder provided by the present disclosure;

FIG. 2 is a schematic side view of the overall structure of a novel counterweight pull cylinder provided by the present disclosure;

FIG. 3 is a schematic cross-sectional view of the overall structure of a pull assembly of a novel counterweight pull cylinder provided by the present disclosure;

FIG. 4 is an enlarged schematic illustration of a novel counterweight pull cylinder provided by the present disclosure at A;

fig. 5 is an enlarged schematic view of a new counterweight pull cylinder provided by the present disclosure at B.

In the figure: 1. a dust ring; 2. a first wear ring; 3. u-shaped pull rod sealing; 4. a combined pull rod seal; 5. a first O-ring; 6. a second O-ring; 7. a combined piston seal; 8. a second wear ring; 9. u-shaped piston seals; 10. a cylinder; 11. a front end cover; 12. a piston rod; 14. an exhaust hole; 15. an air inlet hole; 16. a muffler.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-5, a novel counterweight pull cylinder includes: the front end cover 11, the front end cover 11 is internally provided with a cylinder barrel 10, the cylinder barrel 10 is internally provided with a piston rod 12, and the outer wall of the front end of the piston rod 12 is provided with a dust ring 1; the rear end of the dust ring 1 is provided with a first wear-resistant ring 2, and the rear end of the first wear-resistant ring 2 is provided with a U-shaped pull rod seal 3; the rear end of the U-shaped pull rod seal 3 is provided with a combined pull rod seal 4, the rear end of the combined pull rod seal 4 is provided with a first O-shaped ring 5, the upper end of the front end cover 11 is provided with an air inlet hole 15, and the inner wall of the rear end of the cylinder barrel 10 is provided with a combined piston seal 7; the rear end of the combined piston seal 7 is provided with a second wear-resistant ring 8, and the rear end of the second wear-resistant ring 8 is provided with a U-shaped piston seal 9; the rear end of the cylinder barrel 10 is provided with an exhaust hole 14, the rear end of the exhaust hole 14 is provided with a muffler 16, and the outer wall of the rear end of the piston rod 12 is provided with a second O-shaped ring 6; the dust ring 1, the first wear-resistant ring 2, the U-shaped pull rod seal 3, the combined pull rod seal 4 and the first O-shaped ring 5 are all arranged on the inner wall of the front end cover 11, the dust ring 1, the first wear-resistant ring 2, the U-shaped pull rod seal 3 and the combined pull rod seal 4 are all arranged on the inner wall of the front end cover 11 and are attached to the outer wall of the front end of the piston rod 12, the inner wall of the first O-shaped ring 5 is attached to the outer wall of the cylinder barrel 10, the diameter of the first O-shaped ring 5 is larger than that of the second O-shaped ring 6, the front end of the piston rod 12 penetrates through the front end cover 11, an assembly groove is formed in the front end cover 11, the size of the assembly groove is matched with the size of the front end of the piston rod 12, the sizes of the combined piston seal 7, the second wear-resistant ring 8 and the U-shaped piston seal 9 are matched with the size of the rear end of the cylinder barrel 10, the diameter of the front end of the cylinder barrel 10 is smaller than the rear end of the cylinder barrel 10, the length of the cylinder barrel 10 is smaller than the length of the piston rod 12, and the diameters of the front end and the rear end of the piston rod 12 are smaller than the diameter of the middle of the piston rod 12; the front end of the device is matched with the first wear-resistant ring 2 through the dustproof ring 1, the U-shaped pull rod seal 3, the combined pull rod seal 4 and the first wear-resistant ring 2 when in use, the overall up-and-down motion of a machine tool servo motor, a screw rod, a wire rail/hard rail and other mechanisms drives the device, the verticality of the installation of a Z-axis counterweight system can be effectively improved, the rear end of the device is combined with the combined piston seal 7, the second O-shaped ring 6, the second wear-resistant ring 8 and the U-shaped piston seal 9 to reduce the abrasion of the rear end of a piston rod 12, the assembly is driven by the overall up-and-down motion of the machine tool servo motor, the screw rod, the wire rail/hard rail and other mechanisms, the verticality of the installation of the Z-axis counterweight system can be further effectively improved, the normal service life of the counterweight system, the motor and the screw rod is further prolonged, the aim of finally improving the machining stability of the machine tool is fulfilled, the device uses a nitrogen automatic balance structure, the nitrogen automatic balance structure works by inputting nitrogen from an air inlet hole 15, the nitrogen automatic balance structure is small in size and is easy to install near the gravity center position of a main shaft unit, the gravity of the nitrogen automatic balance structure is used, the gravity is more effectively used, the weight is reduced, the axial load is reduced, the linear load is increased by Ma Wei, the noise damper is greatly consumed by the noise damper 14 is greatly consumed by the noise is greatly reduced, and the noise is greatly reduced when the noise is 14 is caused by the noise damper 14 is placed at the rear end 14, and the device is provided with a noise damper 14, and the device is placed at the device and has a noise device and has 16.

It should be noted that, the utility model is a novel counterweight pull cylinder, the front end of the device is used by the dust ring 1, the U-shaped pull rod seal 3, the combined pull rod seal 4 and the first wear-resistant ring 2 in cooperation, the verticality of the installation of the Z-axis counterweight system can be effectively improved under the drive of the overall up-and-down motion of the machine tool servo motor, the screw rod, the linear rail/hard rail and other mechanisms, the rear end of the device is used by the combined piston seal 7, the second O-shaped ring 6, the second wear-resistant ring 8 and the U-shaped piston seal 9 in combination, the abrasion of the rear end of the piston rod 12 can be reduced, the assembly can be further effectively improved under the drive of the overall up-and-down motion of the machine tool servo motor, the screw rod, the linear rail/hard rail and other mechanisms, and the noise generated by the whole device can be greatly reduced by the silencer 16 arranged at the rear end of the exhaust hole 14.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Novel counter weight draws jar, its characterized in that includes:

the novel dust-proof device comprises a front end cover (11), wherein a cylinder barrel (10) is arranged in the front end cover (11), a piston rod (12) is arranged in the cylinder barrel (10), and a dust-proof ring (1) is arranged on the outer wall of the front end of the piston rod (12);

the rear end of the dust ring (1) is provided with a first wear-resistant ring (2), and the rear end of the first wear-resistant ring (2) is provided with a U-shaped pull rod seal (3);

the rear end of the U-shaped pull rod seal (3) is provided with a combined pull rod seal (4), and the rear end of the combined pull rod seal (4) is provided with a first O-shaped ring (5).

2. The novel counterweight pull cylinder as recited in claim 1 wherein: an air inlet hole (15) is formed in the upper end of the front end cover (11), and a combined piston seal (7) is arranged on the inner wall of the rear end of the cylinder barrel (10);

the rear end of the combined piston seal (7) is provided with a second wear-resistant ring (8), and the rear end of the second wear-resistant ring (8) is provided with a U-shaped piston seal (9);

the rear end of the cylinder barrel (10) is provided with an exhaust hole (14), and the rear end of the exhaust hole (14) is provided with a silencer (16).

3. The novel counterweight pull cylinder as recited in claim 1 wherein: the outer wall of the rear end of the piston rod (12) is provided with a second O-shaped ring (6);

the dustproof ring (1), the first wear-resistant ring (2), the U-shaped pull rod seal (3), the combined pull rod seal (4) and the outer wall of the first O-shaped ring (5) are all arranged on the inner wall of the front end cover (11).

4. The novel counterweight pull cylinder as recited in claim 1 wherein: the dustproof ring (1), the first wear-resistant ring (2), the U-shaped pull rod seal (3) and the combined pull rod seal (4) are all arranged on the inner wall of the front end cover (11) and attached to the outer wall of the front end of the piston rod (12).

5. The novel counterweight pull cylinder as recited in claim 1 wherein: the inner wall of the first O-shaped ring (5) is attached to the outer wall of the cylinder barrel (10), and the diameter of the first O-shaped ring (5) is larger than that of the second O-shaped ring (6).

6. The novel counterweight pull cylinder as recited in claim 1 wherein: the front end of the piston rod (12) penetrates through the front end cover (11), an assembly groove is formed in the front end cover (11), and the size of the assembly groove is matched with that of the front end of the piston rod (12).

7. A novel counterweight pull cylinder as recited in claim 2 wherein: the model of the combined piston seal (7), the second wear-resistant ring (8) and the U-shaped piston seal (9) are matched with the model of the rear end of the cylinder barrel (10).

8. The novel counterweight pull cylinder as recited in claim 1 wherein: the diameter of the front end of the cylinder barrel (10) is smaller than that of the rear end of the cylinder barrel (10), the length of the cylinder barrel (10) is smaller than that of the piston rod (12), and the diameters of the front end and the rear end of the piston rod (12) are smaller than that of the middle of the piston rod (12).