CN216681073U

CN216681073U - Efficient centering device applied to butt joint of cylinder body and piston rod

Info

Publication number: CN216681073U
Application number: CN202123272058.6U
Authority: CN
Inventors: 王云良
Original assignee: Wuxi Nabichuan Machinery Co ltd
Current assignee: Wuxi Nabichuan Machinery Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-07
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to a high-efficiency centering device applied to butt joint of a cylinder body and a piston rod, which comprises a rack, wherein two sets of positioning support frames which are arranged along the axial direction of the cylinder body are connected to the upper end of the rack, any one set of positioning support frame comprises a base connected to the rack, two sliding blocks are transversely and slidably connected to one side of the base, a chuck is respectively and fixedly connected to the two sliding blocks, the upper ends of the two chucks extend to the upper side of the base, two clamping piston cylinders are respectively and fixedly connected to the two ends of the base, the two clamping piston cylinders are respectively and correspondingly connected with the two sliding blocks in a one-to-one mode and respectively drive the two sliding blocks to move back and forth on the base, a support plate is vertically and slidably connected to one side of the base back of the sliding blocks, and a lifting driver for driving the support plate to slide up and down is fixedly connected to the base below the support plate.

Description

Efficient centering device applied to butt joint of cylinder body and piston rod

Technical Field

The utility model relates to a high-efficiency centering device applied to butt joint of a cylinder body and a piston rod.

Background

When the cylinder body and the piston rod are butted, the cylinder body is usually fixed, the piston rod is erected on the supporting roller, then the piston rod is pushed into the cylinder body by virtue of the thrust device, and due to the thrust device, when the piston rod is pushed, if the cylinder body is not aligned with the piston rod, the piston is damaged, and great economic loss is caused.

The current commonly used means is that the position of the piston rod is manually adjusted, the piston rod is matched with the cylinder body, and then the piston rod is slowly pushed into the cylinder body, so that the mode is very difficult to implement, the working efficiency is very low, and operators are easily injured.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: provides a high-efficiency centering device applied to the butt joint of a cylinder body and a piston rod,

in order to solve the technical problems, the utility model adopts the technical scheme that: be applied to high-efficient centring means of cylinder body and piston rod butt joint, which comprises a frame, the frame upper end is connected with two sets of positioning support frame along cylinder body axial arrangement, arbitrary one set of positioning support frame includes a base of connection in the frame, one side lateral sliding connection of base has two sliders, chuck of fixedly connected with respectively on two sliders, the upper end of two chucks extends to the base top, base both ends are fixedly connected with clamping piston cylinder respectively, two clamping piston cylinder are connected with two slider one-to-ones, drive two sliders round trip movement on the base respectively, the vertical sliding connection in one side of base back to the slider has a backup pad, fixedly connected with one is used for driving the gliding elevating drive ware from top to bottom of backup pad on the base of backup pad below.

As a preferred scheme, a gear which is rotatably connected with the base is arranged between the two sliding blocks, the two sliding blocks are respectively and fixedly connected with a rack which is parallel to the sliding direction of the sliding blocks, and the two racks are respectively arranged on the upper side and the lower side of the gear and are respectively meshed with the gear.

Preferably, the lifting driver comprises a worm gear screw lifter and a driving motor for driving the worm gear screw lifter to act, the worm gear screw lifter is fixedly connected to the bottom surface of the base, a screw rod of the worm gear screw lifter penetrates through the base to be rotatably connected with the supporting plate, and the axial direction of the screw rod is parallel to the sliding direction of the supporting plate.

As a preferred scheme, a V-shaped notch is formed in the upper end of the supporting plate, the notch is located between the two chucks, and the distance from the center of the notch to the two chucks is equal.

As a preferred scheme, a rubber pad is fixedly connected to the inner wall of the notch.

The utility model has the beneficial effects that: the utility model supports and clamps the cylinder body through two sets of positioning support frames, then adjusts the whole height of the cylinder body and the height of any end by using the support plates on the two sets of positioning support frames respectively to align the cylinder body and the piston rod, then directly pushes the piston rod by using the thrust device, and accurately inserts the piston rod into the cylinder body.

Drawings

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view taken in the direction A of FIG. 1;

FIG. 3 is a view from the direction B in FIG. 2;

in FIGS. 1 to 3: 1. the device comprises a frame, 2, a positioning support frame, 201, a base, 202, a sliding block, 203, a clamping head, 204, a clamping piston cylinder, 205, a support plate, 206, a gear, 207, a rack, 208, a lifting driver, 3, a turbine screw rod lifter, 301, a screw rod, 4, a driving motor, 5, a notch, 6, a rubber pad, 7 and a cylinder body.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the high-efficiency centering device applied to the butt joint of the cylinder body and the piston rod comprises a frame 1, the upper end of the machine frame 1 is connected with two sets of positioning support frames 2 which are arranged along the axial direction of the cylinder body, any one set of positioning support frame 2 comprises a base 201 which is connected on the machine frame 1, one side of the base 201 is transversely and slidably connected with two sliding blocks 202, the two sliding blocks 202 are respectively and fixedly connected with a chuck 203, the upper ends of the two chucks 203 extend to the upper side of the base 201, two ends of the base 201 are respectively and fixedly connected with a clamping piston cylinder 204, the two clamping piston cylinders 204 are respectively and correspondingly connected with the two sliding blocks 202 and respectively drive the two sliding blocks 202 to move back and forth on the base 201, one side of the base 201, which is back to the sliding blocks 202, is vertically and slidably connected with a supporting plate 205, and a lifting driver 208 which is used for driving the supporting plate 205 to slide up and down is fixedly connected on the base 201 below the supporting plate 205.

As shown in fig. 2, a gear 206 rotatably connected to the base 201 is disposed between the two sliding blocks 202, a rack 207 parallel to the sliding direction of the sliding blocks 202 is fixedly connected to each of the two sliding blocks 202, and the two racks 207 are disposed on the upper and lower sides of the gear 206 and respectively engaged with the gear 206. The two sliding blocks 202 are respectively meshed with the same gear 206 through the rack 207, so that the motion synchronism of the two sliding blocks 202 can be effectively controlled, the problem that the cylinder body 7 is transversely deviated from the center of the piston rod after being clamped due to different moving speeds of the two sliding blocks 202 is solved, the centers of the cylinder body 7 and the piston rod are located in the same vertical plane in the horizontal direction, and the centering precision of the cylinder body 7 is improved.

As shown in fig. 3, the lifting driver 208 includes a worm gear screw lifter 3 and a driving motor 4 for driving the worm gear screw lifter 3 to move, the worm gear screw lifter 3 is fixedly connected to the bottom surface of the base 201, a screw 301 of the worm gear screw lifter 3 penetrates through the base 201 to be rotatably connected with the support plate 205, and an axial direction of the screw 301 is parallel to a sliding direction of the support plate 205. The lifting driver 208 can drive the supporting plate 205 to slowly ascend and descend, so as to finely adjust the height of the center of the cylinder 7, so that the center of the cylinder 7 is at the same height as the center of the piston rod. The height of the cylinder 7 can be finely adjusted by using the worm screw lifter 3, so that the adjustment accuracy can be improved.

In this embodiment, a V-shaped notch 5 is formed at the upper end of the supporting plate 205 so as to initially position the cylinder 7 and prevent the cylinder 7 from rolling back and forth on the supporting plate 205. The gap 5 is located between the two chucks 203 and the distance from the center of the gap 5 to the two chucks is equal, so that the cylinder 7 is aligned with the piston rod as much as possible when initially positioned.

In this embodiment, a rubber pad 6 is fixedly connected to the inner wall of the notch 5, which is beneficial to protecting the outer wall of the cylinder 7 from being damaged, and when the axis of the cylinder 7 is slightly higher than the axis of the piston rod, the piston rod is inserted into the cylinder 7, and the cylinder 7 has a certain elastic descending space and is automatically adjusted to be coaxial with the piston rod.

The working process of the utility model is as follows: firstly, the cylinder body 7 is placed on the supporting plates 205 on the two positioning supporting frames 2, then the piston rod is pushed to the front end port part of the cylinder body 7, then the height of the cylinder body 7 is adjusted by controlling the driving motor 4, so that the cylinder body 7 is opposite to the piston rod in height, then all the clamping piston cylinders 204 are synchronously started, and the two clamping piston cylinders 204 on each set of positioning supporting frame 2 drive the sliding blocks 202 and the chucks 203 to synchronously move oppositely until the cylinder body 7 is clamped. This pushes the piston rod into the cylinder 7.

Subsequently, when the cylinder 7 and the piston rod of the same batch are butted, the cylinder 7 can be directly placed on the two positioning support frames 2 without changing the heights of the support plates 205 of the two positioning support frames 2, the cylinder 7 is clamped by the chuck 203, and the piston rod is directly pushed into the cylinder 7.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the utility model; it should be noted that various changes and modifications can be made by those skilled in the art without departing from the inventive concept, and these changes and modifications fall within the scope of the utility model.

Claims

1. The efficient centering device applied to butt joint of the cylinder body and the piston rod comprises a rack (1) and is characterized in that two sets of positioning support frames (2) which are axially arranged along the cylinder body (7) are connected to the upper end of the rack (1), any one set of positioning support frame (2) comprises a base (201) connected to the rack (1), two sliding blocks (202) are transversely and slidably connected to one side of the base (201), one chuck (203) is fixedly connected to each sliding block (202), the upper ends of the two chucks (203) extend to the upper side of the base (201), clamping piston cylinders (204) are fixedly connected to two ends of the base (201), the two clamping piston cylinders (204) are correspondingly connected to the two sliding blocks (202) one by one to respectively drive the two sliding blocks (202) to move back and forth on the base (201), and one side, back to the sliding blocks (202), of the base (201) is vertically and slidably connected with a support plate (205), a lifting driver (208) for driving the supporting plate (205) to slide up and down is fixedly connected to the base (201) below the supporting plate (205).

2. The efficient centering device applied to the butt joint of the cylinder and the piston rod as claimed in claim 1, wherein a gear (206) rotatably connected with the base (201) is arranged between the two sliding blocks (202), a rack (207) parallel to the sliding direction of the sliding blocks (202) is fixedly connected to each of the two sliding blocks (202), and the two racks (207) are respectively arranged on the upper side and the lower side of the gear (206) and are respectively meshed with the gear (206).

3. The high-efficiency centering device applied to the butt joint of the cylinder and the piston rod is characterized in that the lifting driver (208) comprises a worm gear screw lifter (3) and a driving motor (4) for driving the worm gear screw lifter (3) to act, the worm gear screw lifter (3) is fixedly connected to the bottom surface of the base (201), a screw rod (301) of the worm gear screw lifter (3) penetrates through the base (201) to be rotatably connected with the supporting plate (205), and the axial direction of the screw rod (301) is parallel to the sliding direction of the supporting plate (205).

4. The efficient centering device applied to the butt joint of the cylinder body and the piston rod as claimed in any one of claims 1 to 3, wherein a V-shaped notch (5) is formed in the upper end of the supporting plate (205), the notch (5) is located between the two chucks (203), and the distance from the center of the notch (5) to the two chucks is equal.

5. The high-efficiency centering device applied to the butt joint of the cylinder body and the piston rod as claimed in claim 4, wherein a rubber pad (6) is fixedly connected to the inner wall of the notch (5).