CN214722380U

CN214722380U - Hydraulic drive is from centering centre frame

Info

Publication number: CN214722380U
Application number: CN202120515584.1U
Authority: CN
Inventors: 刘镇; 徐浩
Original assignee: Chuzhou Microsecond Precision Machinery Co ltd
Current assignee: Chuzhou Microsecond Precision Machinery Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-16
Anticipated expiration: 2031-03-11

Abstract

The invention relates to the field of center frames, in particular to a hydraulic drive self-centering center frame, which comprises a fixing assembly and a push rod; the fixing assembly comprises a positioning plate and a bolt, and the bolt is movably arranged on sliding rails arranged at two ends in the positioning plate through screwing nuts; the push rod comprises a positioning pin, the positioning pin is movably arranged at the axis of the outer side surface of the push rod, and the top of the push rod is fixedly connected with a positioning plate. According to the hydraulic drive self-centering center frame, the working distance can be accurately monitored through the arrangement of the position monitoring sensor, and the positioning plate fixedly connected with the piston rod and the push rod is pushed to a required position, so that the automatic centering function is realized, and the hydraulic drive self-centering center frame is novel in structure and outstanding in characteristics.

Description

Hydraulic drive is from centering centre frame

Technical Field

The invention relates to the field of center frames, in particular to a hydraulic drive self-centering center frame.

Background

The self-centering center frame is a product matched with high-precision numerical control machines such as a numerical control lathe, a turning center, a grinding machine and the like and is used for improving the stress condition when parts such as slender shafts, crankshafts and pipes are machined.

The traditional self-centering center frame is simple in structure and needs to be centered manually, the accuracy of manual adjustment often depends on subjective factors such as hand feeling and experience of technical workers, the absolute positioning accuracy of single adjustment and the repeated positioning accuracy of multiple adjustments are very low, time is also very long, the quality of processed products is poor, and the traditional center frame is more and more not suitable for the requirements of high efficiency and high accuracy of modern machine tools.

Disclosure of Invention

The present invention is directed to a hydraulically driven self-centering steady rest that solves the problems set forth above in the background.

In order to achieve the purpose, the hydraulic drive self-centering center frame comprises a fixing assembly and a push rod;

the fixing assembly comprises a positioning plate and a bolt, and the bolt is movably arranged on sliding rails arranged at two ends in the positioning plate through screwing nuts;

the push rod comprises a positioning pin, the positioning pin is movably arranged at the axis of the outer side face of the push rod, and the top of the push rod is fixedly connected with the positioning plate.

Preferably: the diameter of the bolt is matched with the width of the slide rail in the positioning plate, and the bolt penetrates through the positioning plate and extends to the interior of the slide rail of the positioning plate.

Preferably: the bolt and the nut are provided with a plurality of bolts, and the diameter of each bolt is matched with the diameter and the width of the inner ring of the nut.

Preferably: the locating plate is characterized in that grooves are formed in two sides of the central point of the locating plate, protective pads are bonded to the surfaces of the grooves, and the protective pads are made of rubber.

Preferably: a position monitoring sensor is installed on one side of the top of the push rod, a hydraulic oil cylinder is fixedly installed at the bottom far away from the push rod, and the hydraulic oil cylinder is movably connected with the push rod through a piston rod.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention relates to a hydraulically-driven self-centering center frame, which is used for monitoring the positions of the self-centering center frame and a workpiece and accurately controlling the working distance of the self-centering center frame by arranging a position monitoring sensor.

2. According to the hydraulic-driven self-centering center frame, a hydraulic oil cylinder is movably connected with a push rod through a piston rod, a positioning plate is fixedly connected to the top of the push rod, a positioning pin is movably mounted at the axis of the outer side surface of the push rod, and when a working distance is monitored by a position monitoring sensor, the piston rod pushes the positioning plate fixedly connected with the push rod to a required position, so that an automatic centering function is realized.

3. According to the hydraulic drive self-centering center frame, the grooves are formed in two sides of the center point of the positioning plate, the protective pads are bonded on the surfaces of the grooves and made of rubber, and the protective pads made of rubber can protect a workpiece to be machined from being damaged to a certain extent.

Drawings

FIG. 1 is a schematic external view of a hydraulically actuated self-centering steady rest according to the present invention;

FIG. 2 is a schematic view of the overall structure of the fixing member of the present invention;

fig. 3 is a top view of the positioning plate.

In the figure:

1. a fixing assembly; 101. positioning a plate; 1011. a protective pad; 102. a bolt; 103. a nut;

2. a position monitoring sensor;

3. a push rod; 301. positioning pins;

4. a piston rod;

5. a hydraulic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a hydraulic self-centering center frame according to a preferred embodiment of the present invention comprises a fixing assembly 1 and a push rod 3; the fixing assembly 1 comprises a positioning plate 101 and a bolt 102, wherein the bolt 102 is movably arranged on sliding rails arranged at two ends inside the positioning plate 101 through a screwing nut 103; the push rod 3 comprises a positioning pin 301, the positioning pin 301 is movably mounted at the axis of the outer side face of the push rod 3, the positioning plate 101 is fixedly connected to the top of the push rod 3, and a workpiece is clamped in a groove of the positioning plate 101 through screwing a nut 103 and a bolt 102 to be processed in the next step.

The diameter of the bolt 102 is matched with the width of the sliding rail in the positioning plate 101, the bolt 102 penetrates through the positioning plate 101 and extends into the sliding rail of the positioning plate 101, and the size of the groove between the two positioning plates (101) can be adjusted by the bolt 102 and the nut 103 so as to process workpieces with different sizes.

The bolts 102 and the nuts 103 are provided in plural numbers, and the diameter of the bolt 102 is matched with the width of the inner ring diameter of the nut 103, so that the workpiece can be stably clamped only when the diameter of the bolt 102 is matched with the width of the inner ring diameter of the nut 103.

The central point both sides of locating plate 101 are provided with the recess, and the recess surface bonds and has the protection pad 1011, and the protection pad 1011 adopts the rubber material, and the protection of rubber material fills up 1011 can protect to a certain extent and wait to process the work piece and not receive the damage.

Position monitoring sensor 2 is installed to the top one side of push rod 3, and keeps away from the bottom fixed mounting of push rod 3 and has hydraulic cylinder 5, and hydraulic cylinder 5 passes through piston rod 4 and push rod 3 swing joint, and after position monitoring sensor 2 monitored out working distance, piston rod 4 will with push rod 3 fixed connection's locating plate 101 propelling movement to required position, realize the automatic centering function.

According to the working process and the principle of the invention, after the position monitoring sensor 2 monitors the working distance, the piston rod 4 pushes the positioning plate 101 fixedly connected with the push rod 3 to a required position, so that the automatic centering function is realized; the positioning pin 301 is movably arranged at the axis of the outer side surface of the push rod 3, the positioning plate 101 is fixedly connected to the top of the push rod 3, and a workpiece is clamped in a groove of the positioning plate 101 by screwing the nut 103 and the bolt 102 for next processing; the central point both sides of locating plate 101 are provided with the recess, and the recess surface bonds and has the protection pad 1011, and the protection pad 1011 adopts the rubber material, and the protection of rubber material fills up 1011 can protect to a certain extent and wait to process the work piece and not receive the damage.

While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.

Claims

1. A hydraulic drive self-centering center frame,

the method is characterized in that: comprises a fixed component (1) and a push rod (3);

the fixing assembly (1) comprises a positioning plate (101) and a bolt (102), and the bolt (102) is movably mounted on sliding rails arranged at two ends inside the positioning plate (101) through a screwing nut (103);

push rod (3) include locating pin (301), locating pin (301) movable mounting be in the lateral surface axle center department of push rod (3), the top fixedly connected with of push rod (3) locating plate (101).

2. A hydraulically driven self-centering steady rest according to claim 1, wherein: the diameter of the bolt (102) is matched with the width of the sliding rail in the positioning plate (101), and the bolt (102) penetrates through the positioning plate (101) and extends into the sliding rail of the positioning plate (101).

3. A hydraulically driven self-centering steady rest according to claim 1, wherein: the bolt (102) and the nut (103) are provided with a plurality of bolts, and the diameter of the bolt (102) is matched with the width of the inner ring diameter of the nut (103).

4. A hydraulically driven self-centering steady rest according to claim 1, wherein: the utility model discloses a safety protection device for automobile, including locating plate (101), the central point both sides of locating plate (101) are provided with the recess, the recess surface bonds has protection pad (1011), just protection pad (1011) adopt the rubber material.

5. A hydraulically driven self-centering steady rest according to claim 1, wherein: the device is characterized in that a position monitoring sensor (2) is installed on one side of the top of the push rod (3), a hydraulic oil cylinder (5) is fixedly installed at the bottom far away from the push rod (3), and the hydraulic oil cylinder (5) is movably connected with the push rod (3) through a piston rod (4).