CN216111540U

CN216111540U - Locking pipe buckling mechanism

Info

Publication number: CN216111540U
Application number: CN202122855249.9U
Authority: CN
Inventors: 黄浪
Original assignee: Xiamen Lukaida Automation Technology Co ltd
Current assignee: Xiamen Lukaida Automation Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-03-22
Anticipated expiration: 2031-11-19

Abstract

The application discloses locking pipe withholds mechanism, it includes cylinder liner and piston, and the piston setting is in the cylinder liner, and the relative slip is connected between piston and the cylinder liner, still including being used for driving cylinder liner and piston emergence mutual gliding electric drive mechanism or hydraulic drive mechanism. This application has the effect that reduces the oil leak that takes place, and increases the drive mode to the cylinder liner.

Description

Locking pipe buckling mechanism

Technical Field

The application relates to a lock pipe equipment field especially relates to a lock pipe withholds mechanism.

Background

At present, in the production and processing process of the pipe, especially the hose, the joint is required to be arranged at the two ends of the pipe, and the joint and the pipe are fixedly arranged through a pipe locking machine generally.

The existing Chinese patent with the publication number of CN1150067C discloses a hydraulic pipe locking machine, which comprises a machine body composed of an oil tank, an electric motor oil pump set, a program control valve block and a connecting pipeline, and a locking assembly fixedly assembled on the machine body, wherein the locking assembly takes a cylinder sleeve as a main body, a hollow piston is arranged in the cylinder sleeve, an annular sealing return oil cavity is formed between a sealing sleeve and the inner walls of the piston and the cylinder sleeve, and an annular sealing process oil cavity is formed between a rear end cover and the inner walls of the piston, the piston rod and the cylinder sleeve.

According to the related technology, a pipe locking mechanism for locking a pipe is composed of a sliding block and a pressing plate, hydraulic oil is introduced into a return oil cavity and a process oil cavity, the external cylinder sleeve is controlled to slide by controlling the oil pressure in the return oil cavity and the process oil cavity, the sliding block and a dental plate are driven to move, and the pipe and a joint are buckled by the pipe locking mechanism. However, the cylinder sleeve is hydraulically driven to slide, the driving mode is single, and oil leakage is easy to occur after the cylinder sleeve is used for a period of time.

SUMMERY OF THE UTILITY MODEL

In order to reduce the oil leak that takes place, and increase the drive mode to the cylinder liner, this application provides a lock pipe withholds mechanism.

The application provides a lock pipe withholds mechanism adopts following technical scheme:

the utility model provides a lock pipe withholds mechanism, includes cylinder liner and piston, the piston sets up in the cylinder liner, the relative sliding connection between piston and the cylinder liner still including being used for driving cylinder liner and piston emergence mutual gliding electric drive mechanism or hydraulic drive mechanism.

Through adopting above-mentioned technical scheme, the setting of sliding relatively between piston and the cylinder liner, and the cylinder liner can drive through hydraulic drive mechanism and slide, also can drive through electric drive mechanism and slide, need not to use hydraulic oil, can reduce the oil leak that takes place, and the machining precision between cylinder liner and the piston is lower, and increases the drive mode to the cylinder liner.

Preferably, the electric driving mechanism comprises an electric cylinder and a mounting seat, the mounting seat is fixed with one end of the piston, which is positioned outside the cylinder sleeve, the electric cylinder is mounted on the mounting seat, a telescopic rod of the electric cylinder is connected with the cylinder sleeve, and the moving direction of the telescopic rod is parallel to that of the cylinder sleeve.

Through adopting above-mentioned technical scheme, the electricity jar is installed on the mount pad, and the telescopic link of electricity jar when round trip movement, alright drive cylinder liner slides along the length direction of telescopic link, realizes electric drive.

Preferably, the electric driving mechanism comprises a motor, a driving gear, a rack and a mounting seat, the mounting seat is fixed to one end, located outside the cylinder sleeve, of the piston, the motor is mounted on the mounting seat, the driving gear is connected with an output shaft of the motor, the rack is arranged on the cylinder sleeve, the rack is parallel to the moving direction of the cylinder sleeve, and the driving gear is meshed with the rack.

Through adopting above-mentioned technical scheme, the motor is fixed on the mount pad, and the motor drives the driving gear and rotates, and the driving gear drives rack and cylinder liner and removes along the length direction of rack together, realizes that electric drive cylinder liner removes.

Preferably, the inner wall of cylinder liner is provided with the annular, the outside of piston is provided with the bulge loop, the bulge loop is located the annular, the sealed butt of inner wall of bulge loop and annular, the bulge loop separates the annular for first oil pocket and second oil pocket, hydraulic drive mechanism is including setting up first oil pipe, second oil pipe and the oil pump in the cylinder liner outside, first oil pipe is connected with first oil pocket, second oil pipe is connected with the second oil pocket, first oil pipe, second oil pipe and oil pump connection.

By adopting the technical scheme, when the oil pump leads hydraulic oil into the first oil cavity through the first oil pipe, the cylinder sleeve can be pushed to move towards one end; when the oil pump leads hydraulic oil into the second oil cavity through the second oil pipe and the oil pressure in the second oil cavity is greater than the oil pressure in the first oil cavity, the cylinder sleeve can be driven to move towards one end of the other end, and hydraulic driving is achieved.

Preferably, the outer side of the piston rod is provided with a first sealing element, the first sealing element is positioned on two sides of the annular groove, and the first sealing element is positioned between the surfaces, which are mutually attached, of the piston rod and the cylinder sleeve.

Through adopting above-mentioned technical scheme, set up first sealing member, can realize the sealed between annular both sides and the piston outer wall for hydraulic oil is difficult for oozing in the annular from the annular in the annular.

Preferably, a second seal is provided on an outer peripheral side of the projecting ring, and the second seal is sealed with a groove portion of the ring groove.

By adopting the technical scheme, the second sealing element is arranged, so that the sealing between the convex ring and the groove bottom of the annular groove can be realized, and the sealing between the first oil cavity and the second oil cavity is further realized.

Preferably, the first oil pipe and the second oil pipe are connected with the cylinder sleeve through connectors.

Through adopting above-mentioned technical scheme, through the connector, make things convenient for first oil pipe, second oil pipe's tip and cylinder liner to be connected.

Preferably, a valve is arranged on the connecting head.

By adopting the technical scheme, the valve is arranged at the connector, so that the communication or the closing between the first oil pipe and the first oil cavity and between the second oil pipe and the second oil cavity can be controlled.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) by arranging the cylinder sleeve, the piston, the hydraulic driving mechanism and the electric driving mechanism, oil leakage can be reduced, and the driving mode of the cylinder sleeve is increased;

(2) the first oil pipe and the second oil pipe can be conveniently connected with the cylinder sleeve by arranging the connector;

(3) through setting up the electric cylinder, can realize the promotion of sliding stable to the cylinder liner.

Drawings

FIG. 1 is a schematic structural view of a locking tube crimping mechanism of this embodiment 1;

FIG. 2 is a schematic structural diagram of a locking tube crimping mechanism in the present embodiment 3;

FIG. 3 is a schematic structural diagram of a locking tube crimping mechanism in the present embodiment 2;

fig. 4 is a sectional view a-a in fig. 2.

Reference numerals: 1. a cylinder liner; 2. a piston; 3. an electric drive mechanism; 31. an electric cylinder; 32. a mounting seat; 4. a hydraulic drive mechanism; 41. a first oil pipe; 42. a second oil pipe; 43. an oil pump; 5. a driving gear; 6. a rack; 7. a ring groove; 71. a first oil chamber; 72. a second oil chamber; 8. a convex ring; 9. a first seal member; 10. a second seal member; 11. a connector; 12. a valve; 13. an electric motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example 1:

the embodiment of the application discloses a lock pipe withholds mechanism. Referring to fig. 1, the locking pipe buckling and pressing mechanism comprises a cylinder sleeve 1, a piston 2 and an electric driving mechanism 3, wherein the piston 2 is connected with the cylinder sleeve 1 in a relative sliding manner, and the piston 2 is arranged in the cylinder sleeve 1 in a sliding manner and slides along the axial direction of the cylinder sleeve 1; the electric driving mechanism 3 is used for driving the cylinder sleeve 1 and the piston 2 to slide mutually; a pipe locking mechanism (not shown in the figure) for locking the pipe is arranged on the cylinder sleeve 1, and when the cylinder sleeve 1 slides, the pipe locking mechanism is driven to lock the pipe.

Referring to fig. 1 and 2, in other embodiments, the cylinder liner 1 may also be slidably driven by the hydraulic drive mechanism 4. A drive mode can thus be realized by means of the hydraulic drive 4, i.e. hydraulically driven; when the electric driving mechanism 3 is adopted, another driving mode can be realized in an electric mode, the problem of sealing does not need to be considered at the moment, the requirement on processing precision is lower, the problem of oil leakage does not need to be considered, and various driving modes of the cylinder sleeve 1 are realized.

The electric driving mechanism 3 comprises an electric cylinder 31 and a mounting seat 32, the mounting seat 32 is fixed with one end of the piston 2 outside the cylinder sleeve 1, the electric cylinder 31 is horizontally mounted on the mounting seat 32, and the mounting seat 32 can realize the mounting and fixing of the locking pipe buckling and pressing mechanism; the telescopic rod of the electric cylinder 31 is connected with one end, close to the electric cylinder 31, of the cylinder sleeve 1, and the moving direction of the telescopic rod is parallel to the moving direction of the cylinder sleeve 1.

The implementation principle of the locking pipe buckling and pressing mechanism in the embodiment of the application is as follows: when the telescopic rod of the electric cylinder 31 moves in a telescopic way, the outer cylinder sleeve 1 can be adjusted to slide, so that the cylinder sleeve 1 can be electrically driven.

Example 2:

referring to fig. 3, the difference between this embodiment and embodiment 1 is an electric driving mechanism 3, where the electric driving mechanism 3 includes a motor 13, a driving gear 5, a rack 6, and a mounting seat 32, the motor 13 is a servo motor 13, the mounting seat 32 is fixed to one end of the piston 2 located outside the cylinder liner 1, the mounting seat 32 can implement mounting and fixing of a lock pipe buckling and pressing mechanism, and the motor 13 is mounted on the mounting seat 32; the driving gear 5 is connected with an output shaft of the motor 13, the rack 6 is horizontally fixed on the cylinder sleeve 1, the rack 6 is parallel to the moving direction of the cylinder sleeve 1, and the driving gear 5 is meshed with the rack 6.

The implementation principle of the locking pipe buckling and pressing mechanism in the embodiment of the application is as follows: when the motor 13 drives the driving gear 5 to rotate, the rack 6 and the cylinder body can be driven to slide together.

Example 3:

referring to fig. 2 and 4, the present embodiment is different from embodiment 1 in a driving manner of a cylinder liner 1, in the present embodiment, a hydraulic driving mechanism 4 is used for driving, a ring groove 7 is formed in an inner wall of the cylinder liner 1, and the ring groove 7 is coaxially arranged with the cylinder liner 1; a convex ring 8 is integrally fixed on the outer side of the piston 2, the convex ring 8 and the annular groove 7 are coaxially arranged, the convex ring 8 is positioned in the annular groove 7, and the outer side of the convex ring 8 is in sealing butt joint with the groove bottom of the annular groove 7; the collar 8 divides the ring groove 7 into annular first and

second oil chambers

71 and 72.

The periphery of the piston 2 rod is embedded with an annular first sealing element 9, the first sealing element 9 is selected to be an elastic sealing ring, the first sealing element 9 is located on two sides of the axis direction of the annular groove 7, and the first sealing element 9 is located between the surfaces, attached to each other, of the piston 2 rod and the cylinder sleeve 1 to seal the annular groove 7. An annular second sealing element 10 is embedded on the outer peripheral side of the convex ring 8, the second sealing element 10 is also selected as an elastic sealing ring, the second sealing element 10 is sealed with the groove bottom of the annular groove 7, and therefore sealing between the first oil chamber 71 and the second oil chamber 72 is achieved.

The hydraulic driving mechanism 4 comprises a first oil pipe 41, a second oil pipe 42 and an oil pump 43 which are arranged outside the cylinder sleeve 1, the first oil pipe 41 is communicated with a first oil chamber 71, the second oil pipe 42 is communicated with a second oil chamber 72, and one ends, far away from the cylinder sleeve 1, of the first oil pipe 41 and the second oil pipe 42 are connected with the oil pump 43.

Wherein, be fixed with two connectors 11 with first oil pocket 71, second oil pocket 72 intercommunication respectively on the outer wall of cylinder liner 1, install valve 12 on connector 11, first oil pipe 41, second oil pipe 42 all communicate with cylinder liner 1 through connector 11, make things convenient for the installation of first oil pipe 41, second oil pipe 42.

The implementation principle of the locking pipe buckling and pressing mechanism in the embodiment of the application is as follows: the oil pressure entering the first oil chamber 71 and the second oil chamber 72 is controlled by the oil pump 43, and the cylinder liner 1 is driven.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a lock pipe withholds mechanism, includes cylinder liner (1) and piston (2), piston (2) set up in cylinder liner (1), it is connected to slide relatively between piston (2) and the cylinder liner (1), its characterized in that still including being used for driving cylinder liner (1) and piston (2) and taking place electric drive mechanism (3) or hydraulic drive mechanism (4) of mutual slip.

2. The lock tube buckling and pressing mechanism is characterized in that the electric driving mechanism (3) comprises an electric cylinder (31) and a mounting seat (32), the mounting seat (32) and one end, located outside the cylinder sleeve (1), of the piston (2) are fixed, the electric cylinder (31) is mounted on the mounting seat (32), an expansion rod of the electric cylinder (31) is connected with the cylinder sleeve (1), and the moving direction of the expansion rod is parallel to the moving direction of the cylinder sleeve (1).

3. The lock tube buckling and pressing mechanism is characterized in that the electric driving mechanism (3) comprises a motor (13), a driving gear (5), a rack (6) and a mounting seat (32), the mounting seat (32) and one end, located outside the cylinder sleeve (1), of the piston (2) are fixed, the motor (13) is mounted on the mounting seat (32), the driving gear (5) is connected with an output shaft of the motor (13), the rack (6) is arranged on the cylinder sleeve (1), the rack (6) is parallel to the moving direction of the cylinder sleeve (1), and the driving gear (5) is meshed with the rack (6).

4. The lock pipe buckling and pressing mechanism is characterized in that an annular groove (7) is formed in the inner wall of the cylinder sleeve (1), a convex ring (8) is arranged on the outer side of the piston (2), the convex ring (8) is located in the annular groove (7), the convex ring (8) is in sealing butt joint with the inner wall of the annular groove (7), the convex ring (8) separates the annular groove (7) into a first oil chamber (71) and a second oil chamber (72), the hydraulic driving mechanism (4) comprises a first oil pipe (41), a second oil pipe (42) and an oil pump (43) which are arranged on the outer side of the cylinder sleeve (1), the first oil pipe (41) is connected with the first oil chamber (71), the second oil pipe (42) is connected with the second oil chamber (72), and the first oil pipe (41), the second oil pipe (42) and the oil pump (43) are connected.

5. The lock tube buckling and pressing mechanism is characterized in that a first sealing element (9) is arranged on the outer side of the piston (2) rod, the first sealing element (9) is located on two sides of the annular groove (7), and the first sealing element (9) is located between the surfaces, attached to each other, of the piston (2) rod and the cylinder sleeve (1).

6. The lock tube crimping mechanism according to claim 4, characterized in that the outer circumference of the protruding ring (8) is provided with a second sealing element (10), and the second sealing element (10) is sealed with the groove bottom of the ring groove (7).

7. The lock tube buckling and pressing mechanism is characterized in that the first oil pipe (41) and the second oil pipe (42) are connected with the cylinder sleeve (1) through connectors (11).

8. The lock tube buckling mechanism as claimed in claim 7, wherein a valve (12) is arranged on the connecting head (11).